quickjs-tart

quickjs-based runtime for wallet-core logic
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CMakeLists.txt (92334B)


      1 #***************************************************************************
      2 #                                  _   _ ____  _
      3 #  Project                     ___| | | |  _ \| |
      4 #                             / __| | | | |_) | |
      5 #                            | (__| |_| |  _ <| |___
      6 #                             \___|\___/|_| \_\_____|
      7 #
      8 # Copyright (C) Daniel Stenberg, <daniel@haxx.se>, et al.
      9 #
     10 # This software is licensed as described in the file COPYING, which
     11 # you should have received as part of this distribution. The terms
     12 # are also available at https://curl.se/docs/copyright.html.
     13 #
     14 # You may opt to use, copy, modify, merge, publish, distribute and/or sell
     15 # copies of the Software, and permit persons to whom the Software is
     16 # furnished to do so, under the terms of the COPYING file.
     17 #
     18 # This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
     19 # KIND, either express or implied.
     20 #
     21 # SPDX-License-Identifier: curl
     22 #
     23 ###########################################################################
     24 # by Tetetest and Sukender (Benoit Neil)
     25 
     26 cmake_minimum_required(VERSION 3.7...3.16 FATAL_ERROR)
     27 message(STATUS "Using CMake version ${CMAKE_VERSION}")
     28 
     29 # Collect command-line arguments for buildinfo.txt.
     30 # Must reside at the top of the script to work as expected.
     31 set(_cmake_args "")
     32 if(NOT "$ENV{CURL_BUILDINFO}$ENV{CURL_CI}$ENV{CI}" STREQUAL "")
     33   get_cmake_property(_cache_vars CACHE_VARIABLES)
     34   foreach(_cache_var IN ITEMS ${_cache_vars})
     35     get_property(_cache_var_helpstring CACHE ${_cache_var} PROPERTY HELPSTRING)
     36     if(_cache_var_helpstring STREQUAL "No help, variable specified on the command line.")
     37       get_property(_cache_var_type CACHE ${_cache_var} PROPERTY TYPE)
     38       get_property(_cache_var_value CACHE ${_cache_var} PROPERTY VALUE)
     39       if(_cache_var_type STREQUAL "UNINITIALIZED")
     40         set(_cache_var_type)
     41       else()
     42         set(_cache_var_type ":${_cache_var_type}")
     43       endif()
     44       string(APPEND _cmake_args " -D${_cache_var}${_cache_var_type}=\"${_cache_var_value}\"")
     45     endif()
     46   endforeach()
     47 endif()
     48 
     49 set(CMAKE_MODULE_PATH "${CMAKE_CURRENT_SOURCE_DIR}/CMake" ${CMAKE_MODULE_PATH})
     50 include(Utilities)
     51 include(Macros)
     52 include(CMakeDependentOption)
     53 include(CheckCCompilerFlag)
     54 
     55 file(STRINGS "${CMAKE_CURRENT_SOURCE_DIR}/include/curl/curlver.h" _curl_version_h_contents REGEX "#define LIBCURL_VERSION( |_NUM )")
     56 string(REGEX MATCH "#define LIBCURL_VERSION \"[^\"]*" _curl_version ${_curl_version_h_contents})
     57 string(REGEX REPLACE "[^\"]+\"" "" _curl_version ${_curl_version})
     58 string(REGEX MATCH "#define LIBCURL_VERSION_NUM 0x[0-9a-fA-F]+" _curl_version_num ${_curl_version_h_contents})
     59 string(REGEX REPLACE "[^0]+0x" "" _curl_version_num ${_curl_version_num})
     60 unset(_curl_version_h_contents)
     61 
     62 message(STATUS "curl version=[${_curl_version}]")
     63 
     64 string(REGEX REPLACE "([0-9]+\.[0-9]+\.[0-9]+).+" "\\1" _curl_version_sem "${_curl_version}")
     65 project(CURL
     66   VERSION "${_curl_version_sem}"
     67   LANGUAGES C)
     68 
     69 # CMake does not recognize some targets accurately. Touch up configuration manually as a workaround.
     70 if(WINDOWS_STORE AND MINGW)  # mingw UWP build
     71   # CMake (as of v3.31.2) gets confused and applies the MSVC rc.exe command-line
     72   # template to windres. Reset it to the windres template via 'Modules/Platform/Windows-windres.cmake':
     73   set(CMAKE_RC_COMPILE_OBJECT "<CMAKE_RC_COMPILER> -O coff <DEFINES> <INCLUDES> <FLAGS> <SOURCE> <OBJECT>")
     74 elseif(WIN32 AND WINCE AND CMAKE_C_COMPILER_ID STREQUAL "GNU")  # mingw32ce build
     75   if(NOT MINGW32CE_LIBRARY_DIR)
     76     message(FATAL_ERROR "Set MINGW32CE_LIBRARY_DIR variable to the mingw32ce platform library directory.")
     77   endif()
     78 
     79   set(MINGW 1)
     80   set(MINGW32CE 1)
     81 
     82   # Build implib with libcurl DLL. Copied from CMake's 'Modules/Platform/Windows-GNU.cmake'.
     83   set(CMAKE_C_CREATE_SHARED_LIBRARY "<CMAKE_C_COMPILER> <CMAKE_SHARED_LIBRARY_C_FLAGS> <LANGUAGE_COMPILE_FLAGS> <LINK_FLAGS>")
     84   string(APPEND CMAKE_C_CREATE_SHARED_LIBRARY " <CMAKE_SHARED_LIBRARY_CREATE_C_FLAGS> -o <TARGET> -Wl,--out-implib,<TARGET_IMPLIB>")
     85   string(APPEND CMAKE_C_CREATE_SHARED_LIBRARY " ${CMAKE_GNULD_IMAGE_VERSION} <OBJECTS> <LINK_LIBRARIES>")
     86 
     87   # Build resources. Copied from CMake's 'Modules/Platform/Windows-windres.cmake'.
     88   set(CMAKE_RC_COMPILE_OBJECT "<CMAKE_RC_COMPILER> -O coff <DEFINES> <INCLUDES> <FLAGS> <SOURCE> <OBJECT>")
     89   enable_language(RC)
     90 
     91   # To compile long long integer literals
     92   set_property(DIRECTORY APPEND PROPERTY COMPILE_OPTIONS "-std=gnu99")
     93   string(APPEND CMAKE_REQUIRED_FLAGS " -std=gnu99")
     94 
     95   set(CMAKE_C_COMPILE_OPTIONS_PIC "")  # CMake sets it to '-fPIC', confusing the toolchain and breaking builds. Zap it.
     96 
     97   set(CMAKE_STATIC_LIBRARY_PREFIX "lib")
     98   set(CMAKE_STATIC_LIBRARY_SUFFIX ".a")
     99   set(CMAKE_SHARED_LIBRARY_PREFIX "lib")
    100   set(CMAKE_SHARED_LIBRARY_SUFFIX ".dll")
    101   set(CMAKE_IMPORT_LIBRARY_PREFIX "lib")
    102   set(CMAKE_IMPORT_LIBRARY_SUFFIX ".dll.a")
    103   set(CMAKE_FIND_LIBRARY_PREFIXES "lib" "")
    104   set(CMAKE_FIND_LIBRARY_SUFFIXES ".dll.a" ".a" ".lib")
    105 elseif(DOS AND CMAKE_C_COMPILER_ID STREQUAL "GNU")  # DJGPP
    106   set(CMAKE_STATIC_LIBRARY_PREFIX "lib")
    107   set(CMAKE_STATIC_LIBRARY_SUFFIX ".a")
    108   set(CMAKE_FIND_LIBRARY_PREFIXES "lib")
    109   set(CMAKE_FIND_LIBRARY_SUFFIXES ".a")
    110 endif()
    111 
    112 # Fill platform level variable when using CMake's built-in Android configuration
    113 if(ANDROID AND NOT DEFINED ANDROID_PLATFORM_LEVEL AND NOT CMAKE_SYSTEM_VERSION EQUAL 1)
    114   set(ANDROID_PLATFORM_LEVEL "${CMAKE_SYSTEM_VERSION}")
    115 endif()
    116 
    117 set(_target_flags "")
    118 if(APPLE)
    119   string(APPEND _target_flags " APPLE")
    120 endif()
    121 if(UNIX)
    122   string(APPEND _target_flags " UNIX")
    123 endif()
    124 if(BSD)
    125   string(APPEND _target_flags " BSD")
    126 endif()
    127 if(ANDROID)
    128   string(APPEND _target_flags " ANDROID-${ANDROID_PLATFORM_LEVEL}")
    129 endif()
    130 if(WIN32)
    131   string(APPEND _target_flags " WIN32")
    132 endif()
    133 if(WINCE)
    134   string(APPEND _target_flags " WINCE")
    135 endif()
    136 if(WINDOWS_STORE)
    137   string(APPEND _target_flags " UWP")
    138 endif()
    139 if(CYGWIN)
    140   string(APPEND _target_flags " CYGWIN")
    141 endif()
    142 if(DOS)
    143   string(APPEND _target_flags " DOS")
    144 endif()
    145 if(AMIGA)
    146   string(APPEND _target_flags " AMIGA")
    147 endif()
    148 if(CMAKE_C_COMPILER_ID STREQUAL "GNU")
    149   string(APPEND _target_flags " GCC")
    150 endif()
    151 if(MINGW)
    152   string(APPEND _target_flags " MINGW")
    153 endif()
    154 if(MSVC)
    155   string(APPEND _target_flags " MSVC-${MSVC_VERSION}")
    156 endif()
    157 if(VCPKG_TOOLCHAIN)
    158   string(APPEND _target_flags " VCPKG")
    159 endif()
    160 if(CMAKE_CROSSCOMPILING)
    161   string(APPEND _target_flags " CROSS")
    162 endif()
    163 message(STATUS "CMake platform flags:${_target_flags}")
    164 
    165 if(CMAKE_CROSSCOMPILING)
    166   message(STATUS "Cross-compiling: "
    167     "${CMAKE_HOST_SYSTEM_NAME}/${CMAKE_HOST_SYSTEM_PROCESSOR} -> "
    168     "${CMAKE_SYSTEM_NAME}/${CMAKE_SYSTEM_PROCESSOR}")
    169 endif()
    170 
    171 if(CMAKE_C_COMPILER_TARGET)
    172   set(CURL_OS "\"${CMAKE_C_COMPILER_TARGET}\"")
    173 else()
    174   set(CURL_OS "\"${CMAKE_SYSTEM_NAME}\"")
    175 endif()
    176 
    177 set(LIB_NAME "libcurl")
    178 
    179 set_property(DIRECTORY APPEND PROPERTY INCLUDE_DIRECTORIES "${PROJECT_SOURCE_DIR}/include")
    180 
    181 if(NOT DEFINED CMAKE_UNITY_BUILD_BATCH_SIZE)
    182   set(CMAKE_UNITY_BUILD_BATCH_SIZE 0)
    183 endif()
    184 
    185 # Having CMAKE_TRY_COMPILE_TARGET_TYPE set to STATIC_LIBRARY breaks certain
    186 # 'check_function_exists()' detections (possibly more), by detecting
    187 # non-existing features. This happens by default when using 'ios.toolchain.cmake'.
    188 # Work it around by setting this value to `EXECUTABLE`.
    189 if(CMAKE_TRY_COMPILE_TARGET_TYPE STREQUAL "STATIC_LIBRARY")
    190   message(STATUS "CMAKE_TRY_COMPILE_TARGET_TYPE was found set to STATIC_LIBRARY. "
    191     "Overriding with EXECUTABLE for feature detections to work.")
    192   set(_cmake_try_compile_target_type_save ${CMAKE_TRY_COMPILE_TARGET_TYPE})
    193   set(CMAKE_TRY_COMPILE_TARGET_TYPE "EXECUTABLE")
    194 endif()
    195 
    196 option(CURL_WERROR "Turn compiler warnings into errors" OFF)
    197 option(PICKY_COMPILER "Enable picky compiler options" ON)
    198 option(BUILD_CURL_EXE "Build curl executable" ON)
    199 option(BUILD_SHARED_LIBS "Build shared libraries" ON)
    200 option(BUILD_STATIC_LIBS "Build static libraries" OFF)
    201 option(BUILD_STATIC_CURL "Build curl executable with static libcurl" OFF)
    202 option(ENABLE_ARES "Enable c-ares support" OFF)
    203 option(CURL_DISABLE_INSTALL "Disable installation targets" OFF)
    204 
    205 if(WIN32)
    206   option(ENABLE_UNICODE "Use the Unicode version of the Windows API functions" OFF)
    207   if(WINDOWS_STORE OR WINCE)
    208     set(ENABLE_UNICODE ON)
    209   endif()
    210   if(ENABLE_UNICODE)
    211     set_property(DIRECTORY APPEND PROPERTY COMPILE_DEFINITIONS "UNICODE" "_UNICODE")
    212     if(MINGW AND NOT MINGW32CE)
    213       set_property(DIRECTORY APPEND PROPERTY COMPILE_OPTIONS "-municode")
    214     endif()
    215   endif()
    216 
    217   # Apply to all feature checks
    218   list(APPEND CMAKE_REQUIRED_DEFINITIONS "-DWIN32_LEAN_AND_MEAN")
    219   if(MSVC)
    220     list(APPEND CMAKE_REQUIRED_DEFINITIONS "-D_CRT_NONSTDC_NO_DEPRECATE")  # for strdup() detection
    221   endif()
    222 
    223   set(CURL_TARGET_WINDOWS_VERSION "" CACHE STRING "Minimum target Windows version as hex string")
    224   if(CURL_TARGET_WINDOWS_VERSION)
    225     set_property(DIRECTORY APPEND PROPERTY COMPILE_DEFINITIONS "_WIN32_WINNT=${CURL_TARGET_WINDOWS_VERSION}")
    226     list(APPEND CMAKE_REQUIRED_DEFINITIONS "-D_WIN32_WINNT=${CURL_TARGET_WINDOWS_VERSION}")  # Apply to all feature checks
    227   endif()
    228 
    229   # Detect actual value of _WIN32_WINNT and store as HAVE_WIN32_WINNT
    230   curl_internal_test(HAVE_WIN32_WINNT)
    231   if(HAVE_WIN32_WINNT)
    232     string(REGEX MATCH "_WIN32_WINNT=0x[0-9a-fA-F]+" CURL_TEST_OUTPUT "${CURL_TEST_OUTPUT}")
    233     string(REGEX REPLACE "_WIN32_WINNT=" "" CURL_TEST_OUTPUT "${CURL_TEST_OUTPUT}")
    234     string(REGEX REPLACE "0x([0-9a-f][0-9a-f][0-9a-f])$" "0x0\\1" CURL_TEST_OUTPUT "${CURL_TEST_OUTPUT}")  # pad to 4 digits
    235     string(TOLOWER "${CURL_TEST_OUTPUT}" HAVE_WIN32_WINNT)
    236     message(STATUS "Found _WIN32_WINNT=${HAVE_WIN32_WINNT}")
    237   endif()
    238   unset(HAVE_WIN32_WINNT CACHE)  # Avoid storing in CMake cache
    239 
    240   if(MINGW)
    241     # Detect __MINGW64_VERSION_MAJOR, __MINGW64_VERSION_MINOR and store as MINGW64_VERSION
    242     curl_internal_test(MINGW64_VERSION)
    243     if(MINGW64_VERSION)
    244       string(REGEX MATCH "MINGW64_VERSION=[0-9]+\.[0-9]+" CURL_TEST_OUTPUT "${CURL_TEST_OUTPUT}")
    245       string(REGEX REPLACE "MINGW64_VERSION=" "" MINGW64_VERSION "${CURL_TEST_OUTPUT}")
    246       if(MINGW64_VERSION)
    247         message(STATUS "Found MINGW64_VERSION=${MINGW64_VERSION}")
    248       endif()
    249     endif()
    250     unset(MINGW64_VERSION CACHE)  # Avoid storing in CMake cache
    251   endif()
    252 elseif(DOS OR AMIGA)
    253   set(BUILD_SHARED_LIBS OFF)
    254   set(BUILD_STATIC_LIBS ON)
    255 endif()
    256 option(CURL_LTO "Enable compiler Link Time Optimizations" OFF)
    257 
    258 if(NOT DOS AND NOT AMIGA)
    259   # if c-ares is used, default the threaded resolver to OFF
    260   if(ENABLE_ARES)
    261     set(_enable_threaded_resolver_default OFF)
    262   else()
    263     set(_enable_threaded_resolver_default ON)
    264   endif()
    265   option(ENABLE_THREADED_RESOLVER "Enable threaded DNS lookup" ${_enable_threaded_resolver_default})
    266 endif()
    267 
    268 include(PickyWarnings)
    269 
    270 if(CYGWIN OR CMAKE_SYSTEM_NAME STREQUAL "Linux")
    271   set_property(DIRECTORY APPEND PROPERTY COMPILE_DEFINITIONS "_GNU_SOURCE")  # Required for accept4(), pipe2(), sendmmsg()
    272   list(APPEND CMAKE_REQUIRED_DEFINITIONS "-D_GNU_SOURCE")  # Apply to all feature checks
    273 endif()
    274 
    275 option(ENABLE_DEBUG "Enable curl debug features (for developing curl itself)" OFF)
    276 if(ENABLE_DEBUG)
    277   message(WARNING "This curl build is Debug-enabled and insecure, do not use in production.")
    278 endif()
    279 option(ENABLE_CURLDEBUG "Enable TrackMemory debug feature" ${ENABLE_DEBUG})
    280 
    281 set(CURL_DEBUG_MACROS "")
    282 if(ENABLE_DEBUG)
    283   list(APPEND CURL_DEBUG_MACROS "DEBUGBUILD")
    284 endif()
    285 if(ENABLE_CURLDEBUG)
    286   list(APPEND CURL_DEBUG_MACROS "CURLDEBUG")
    287 endif()
    288 
    289 option(CURL_CLANG_TIDY "Run the build through clang-tidy" OFF)
    290 if(CURL_CLANG_TIDY)
    291   set(CMAKE_UNITY_BUILD OFF)  # clang-tidy is not looking into #included sources, thus not compatible with unity builds.
    292   set(_tidy_checks "")
    293   list(APPEND _tidy_checks "-clang-analyzer-security.insecureAPI.bzero")  # for FD_ZERO() (seen on macOS)
    294   list(APPEND _tidy_checks "-clang-analyzer-security.insecureAPI.strcpy")
    295   list(APPEND _tidy_checks "-clang-analyzer-optin.performance.Padding")
    296   list(APPEND _tidy_checks "-clang-analyzer-security.insecureAPI.DeprecatedOrUnsafeBufferHandling")
    297   string(REPLACE ";" "," _tidy_checks "${_tidy_checks}")
    298   find_program(CLANG_TIDY NAMES "clang-tidy" REQUIRED)
    299   set(CMAKE_C_CLANG_TIDY "${CLANG_TIDY}" "-checks=${_tidy_checks}" "-quiet")
    300   unset(_tidy_checks)
    301   if(CURL_WERROR)
    302     list(APPEND CMAKE_C_CLANG_TIDY "--warnings-as-errors=*")
    303   endif()
    304   if(CURL_CLANG_TIDYFLAGS)
    305     list(APPEND CMAKE_C_CLANG_TIDY ${CURL_CLANG_TIDYFLAGS})
    306   endif()
    307 endif()
    308 
    309 # For debug libs and exes, add "-d" postfix
    310 if(NOT DEFINED CMAKE_DEBUG_POSTFIX)
    311   set(CMAKE_DEBUG_POSTFIX "-d")
    312 endif()
    313 
    314 set(LIB_STATIC "libcurl_static")
    315 set(LIB_SHARED "libcurl_shared")
    316 
    317 if(NOT BUILD_SHARED_LIBS AND NOT BUILD_STATIC_LIBS)
    318   set(BUILD_STATIC_LIBS ON)
    319 endif()
    320 if(NOT BUILD_STATIC_CURL AND NOT BUILD_SHARED_LIBS)
    321   set(BUILD_STATIC_CURL ON)
    322 elseif(BUILD_STATIC_CURL AND NOT BUILD_STATIC_LIBS)
    323   set(BUILD_STATIC_CURL OFF)
    324 endif()
    325 
    326 # Lib flavour selected for curl tool
    327 if(BUILD_STATIC_CURL)
    328   set(LIB_SELECTED_FOR_EXE ${LIB_STATIC})
    329 else()
    330   set(LIB_SELECTED_FOR_EXE ${LIB_SHARED})
    331 endif()
    332 
    333 # Lib flavour selected for example and test programs.
    334 if(BUILD_SHARED_LIBS)
    335   set(LIB_SELECTED ${LIB_SHARED})
    336 else()
    337   set(LIB_SELECTED ${LIB_STATIC})
    338 endif()
    339 
    340 if(WIN32)
    341   option(CURL_STATIC_CRT "Build libcurl with static CRT with MSVC (/MT)" OFF)
    342   if(CURL_STATIC_CRT AND MSVC)
    343     if(MSVC_VERSION GREATER_EQUAL 1900 OR BUILD_STATIC_CURL OR NOT BUILD_CURL_EXE)
    344       set(CMAKE_MSVC_RUNTIME_LIBRARY "MultiThreaded$<$<CONFIG:Debug>:Debug>")
    345       set_property(DIRECTORY APPEND PROPERTY COMPILE_OPTIONS "$<$<CONFIG:Release>:-MT>")
    346       set_property(DIRECTORY APPEND PROPERTY COMPILE_OPTIONS "$<$<CONFIG:Debug>:-MTd>")
    347     else()
    348       message(WARNING "Static CRT requires UCRT, static libcurl or no curl executable.")
    349     endif()
    350   endif()
    351 endif()
    352 
    353 # Override to force-disable or force-enable the use of pkg-config.
    354 if((UNIX AND NOT ANDROID AND (NOT APPLE OR CMAKE_SYSTEM_NAME MATCHES "Darwin")) OR
    355    VCPKG_TOOLCHAIN OR
    356    (MINGW AND NOT CMAKE_CROSSCOMPILING))
    357   set(_curl_use_pkgconfig_default ON)
    358 else()
    359   set(_curl_use_pkgconfig_default OFF)
    360 endif()
    361 option(CURL_USE_PKGCONFIG "Enable pkg-config to detect dependencies" ${_curl_use_pkgconfig_default})
    362 
    363 # Initialize variables collecting dependency libs, paths, pkg-config names.
    364 set(CURL_LIBS "")
    365 set(CURL_LIBDIRS "")
    366 set(LIBCURL_PC_REQUIRES_PRIVATE "")
    367 
    368 if(ENABLE_ARES)
    369   set(USE_ARES 1)
    370   find_package(Cares REQUIRED)
    371   list(APPEND CURL_LIBS ${CARES_LIBRARIES})
    372   list(APPEND CURL_LIBDIRS ${CARES_LIBRARY_DIRS})
    373   list(APPEND LIBCURL_PC_REQUIRES_PRIVATE ${CARES_PC_REQUIRES})
    374   include_directories(SYSTEM ${CARES_INCLUDE_DIRS})
    375   link_directories(${CARES_LIBRARY_DIRS})
    376   if(CARES_CFLAGS)
    377     string(APPEND CMAKE_C_FLAGS " ${CARES_CFLAGS}")
    378   endif()
    379 endif()
    380 
    381 include(CurlSymbolHiding)
    382 
    383 option(CURL_ENABLE_EXPORT_TARGET "Enable CMake export target" ON)
    384 mark_as_advanced(CURL_ENABLE_EXPORT_TARGET)
    385 
    386 option(CURL_DISABLE_ALTSVC "Disable alt-svc support" OFF)
    387 mark_as_advanced(CURL_DISABLE_ALTSVC)
    388 option(CURL_DISABLE_SRP "Disable TLS-SRP support" OFF)
    389 mark_as_advanced(CURL_DISABLE_SRP)
    390 option(CURL_DISABLE_COOKIES "Disable cookies support" OFF)
    391 mark_as_advanced(CURL_DISABLE_COOKIES)
    392 option(CURL_DISABLE_BASIC_AUTH "Disable Basic authentication" OFF)
    393 mark_as_advanced(CURL_DISABLE_BASIC_AUTH)
    394 option(CURL_DISABLE_BEARER_AUTH "Disable Bearer authentication" OFF)
    395 mark_as_advanced(CURL_DISABLE_BEARER_AUTH)
    396 option(CURL_DISABLE_DIGEST_AUTH "Disable Digest authentication" OFF)
    397 mark_as_advanced(CURL_DISABLE_DIGEST_AUTH)
    398 option(CURL_DISABLE_KERBEROS_AUTH "Disable Kerberos authentication" OFF)
    399 mark_as_advanced(CURL_DISABLE_KERBEROS_AUTH)
    400 option(CURL_DISABLE_NEGOTIATE_AUTH "Disable negotiate authentication" OFF)
    401 mark_as_advanced(CURL_DISABLE_NEGOTIATE_AUTH)
    402 option(CURL_DISABLE_AWS "Disable aws-sigv4" OFF)
    403 mark_as_advanced(CURL_DISABLE_AWS)
    404 option(CURL_DISABLE_DICT "Disable DICT" OFF)
    405 mark_as_advanced(CURL_DISABLE_DICT)
    406 option(CURL_DISABLE_DOH "Disable DNS-over-HTTPS" OFF)
    407 mark_as_advanced(CURL_DISABLE_DOH)
    408 option(CURL_DISABLE_FILE "Disable FILE" OFF)
    409 mark_as_advanced(CURL_DISABLE_FILE)
    410 option(CURL_DISABLE_FTP "Disable FTP" OFF)
    411 mark_as_advanced(CURL_DISABLE_FTP)
    412 option(CURL_DISABLE_GETOPTIONS "Disable curl_easy_options API for existing options to curl_easy_setopt" OFF)
    413 mark_as_advanced(CURL_DISABLE_GETOPTIONS)
    414 option(CURL_DISABLE_GOPHER "Disable Gopher" OFF)
    415 mark_as_advanced(CURL_DISABLE_GOPHER)
    416 option(CURL_DISABLE_HEADERS_API "Disable headers-api support" OFF)
    417 mark_as_advanced(CURL_DISABLE_HEADERS_API)
    418 option(CURL_DISABLE_HSTS "Disable HSTS support" OFF)
    419 mark_as_advanced(CURL_DISABLE_HSTS)
    420 option(CURL_DISABLE_HTTP "Disable HTTP" OFF)
    421 mark_as_advanced(CURL_DISABLE_HTTP)
    422 option(CURL_DISABLE_HTTP_AUTH "Disable all HTTP authentication methods" OFF)
    423 mark_as_advanced(CURL_DISABLE_HTTP_AUTH)
    424 option(CURL_DISABLE_IMAP "Disable IMAP" OFF)
    425 mark_as_advanced(CURL_DISABLE_IMAP)
    426 option(CURL_DISABLE_LDAP "Disable LDAP" OFF)
    427 mark_as_advanced(CURL_DISABLE_LDAP)
    428 option(CURL_DISABLE_LDAPS "Disable LDAPS" ${CURL_DISABLE_LDAP})
    429 mark_as_advanced(CURL_DISABLE_LDAPS)
    430 option(CURL_DISABLE_LIBCURL_OPTION "Disable --libcurl option from the curl tool" OFF)
    431 mark_as_advanced(CURL_DISABLE_LIBCURL_OPTION)
    432 option(CURL_DISABLE_MIME "Disable MIME support" OFF)
    433 mark_as_advanced(CURL_DISABLE_MIME)
    434 cmake_dependent_option(CURL_DISABLE_FORM_API "Disable form-api"
    435   OFF "NOT CURL_DISABLE_MIME"
    436   ON)
    437 mark_as_advanced(CURL_DISABLE_FORM_API)
    438 option(CURL_DISABLE_MQTT "Disable MQTT" OFF)
    439 mark_as_advanced(CURL_DISABLE_MQTT)
    440 option(CURL_DISABLE_BINDLOCAL "Disable local binding support" OFF)
    441 mark_as_advanced(CURL_DISABLE_BINDLOCAL)
    442 option(CURL_DISABLE_NETRC "Disable netrc parser" OFF)
    443 mark_as_advanced(CURL_DISABLE_NETRC)
    444 option(CURL_DISABLE_NTLM "Disable NTLM support" OFF)
    445 mark_as_advanced(CURL_DISABLE_NTLM)
    446 option(CURL_DISABLE_PARSEDATE "Disable date parsing" OFF)
    447 mark_as_advanced(CURL_DISABLE_PARSEDATE)
    448 option(CURL_DISABLE_POP3 "Disable POP3" OFF)
    449 mark_as_advanced(CURL_DISABLE_POP3)
    450 option(CURL_DISABLE_PROGRESS_METER "Disable built-in progress meter" OFF)
    451 mark_as_advanced(CURL_DISABLE_PROGRESS_METER)
    452 option(CURL_DISABLE_PROXY "Disable proxy support" OFF)
    453 mark_as_advanced(CURL_DISABLE_PROXY)
    454 option(CURL_DISABLE_IPFS "Disable IPFS" OFF)
    455 mark_as_advanced(CURL_DISABLE_IPFS)
    456 option(CURL_DISABLE_RTSP "Disable RTSP" OFF)
    457 mark_as_advanced(CURL_DISABLE_RTSP)
    458 option(CURL_DISABLE_SHA512_256 "Disable SHA-512/256 hash algorithm" OFF)
    459 mark_as_advanced(CURL_DISABLE_SHA512_256)
    460 option(CURL_DISABLE_SHUFFLE_DNS "Disable shuffle DNS feature" OFF)
    461 mark_as_advanced(CURL_DISABLE_SHUFFLE_DNS)
    462 option(CURL_DISABLE_SMB "Disable SMB" OFF)
    463 mark_as_advanced(CURL_DISABLE_SMB)
    464 option(CURL_DISABLE_SMTP "Disable SMTP" OFF)
    465 mark_as_advanced(CURL_DISABLE_SMTP)
    466 option(CURL_DISABLE_SOCKETPAIR "Disable use of socketpair for curl_multi_poll" OFF)
    467 mark_as_advanced(CURL_DISABLE_SOCKETPAIR)
    468 option(CURL_DISABLE_WEBSOCKETS "Disable WebSocket" OFF)
    469 mark_as_advanced(CURL_DISABLE_WEBSOCKETS)
    470 option(CURL_DISABLE_TELNET "Disable Telnet" OFF)
    471 mark_as_advanced(CURL_DISABLE_TELNET)
    472 option(CURL_DISABLE_TFTP "Disable TFTP" OFF)
    473 mark_as_advanced(CURL_DISABLE_TFTP)
    474 option(CURL_DISABLE_VERBOSE_STRINGS "Disable verbose strings" OFF)
    475 mark_as_advanced(CURL_DISABLE_VERBOSE_STRINGS)
    476 
    477 if(CURL_DISABLE_HTTP)
    478   set(CURL_DISABLE_IPFS ON)
    479   set(CURL_DISABLE_RTSP ON)
    480   set(CURL_DISABLE_ALTSVC ON)
    481   set(CURL_DISABLE_HSTS ON)
    482 endif()
    483 
    484 # Corresponds to HTTP_ONLY in lib/curl_setup.h
    485 option(HTTP_ONLY "Disable all protocols except HTTP (This overrides all CURL_DISABLE_* options)" OFF)
    486 mark_as_advanced(HTTP_ONLY)
    487 
    488 if(HTTP_ONLY)
    489   set(CURL_DISABLE_DICT ON)
    490   set(CURL_DISABLE_FILE ON)
    491   set(CURL_DISABLE_FTP ON)
    492   set(CURL_DISABLE_GOPHER ON)
    493   set(CURL_DISABLE_IMAP ON)
    494   set(CURL_DISABLE_LDAP ON)
    495   set(CURL_DISABLE_LDAPS ON)
    496   set(CURL_DISABLE_MQTT ON)
    497   set(CURL_DISABLE_POP3 ON)
    498   set(CURL_DISABLE_IPFS ON)
    499   set(CURL_DISABLE_RTSP ON)
    500   set(CURL_DISABLE_SMB ON)
    501   set(CURL_DISABLE_SMTP ON)
    502   set(CURL_DISABLE_TELNET ON)
    503   set(CURL_DISABLE_TFTP ON)
    504 endif()
    505 
    506 if(WINDOWS_STORE OR WINCE)
    507   set(CURL_DISABLE_TELNET ON)  # telnet code needs fixing to compile for UWP.
    508 endif()
    509 
    510 find_package(Perl)
    511 
    512 if(PERL_EXECUTABLE)
    513   add_custom_target(curl-ca-bundle
    514     COMMENT "Generating a fresh ca-bundle.crt" VERBATIM USES_TERMINAL
    515     COMMAND "${PERL_EXECUTABLE}" "${PROJECT_SOURCE_DIR}/scripts/mk-ca-bundle.pl" -b -l -u "lib/ca-bundle.crt"
    516     DEPENDS "${PROJECT_SOURCE_DIR}/scripts/mk-ca-bundle.pl"
    517   )
    518   add_custom_target(curl-ca-firefox
    519     COMMENT "Generating a fresh ca-bundle.crt" VERBATIM USES_TERMINAL
    520     COMMAND "${PERL_EXECUTABLE}" "${PROJECT_SOURCE_DIR}/scripts/firefox-db2pem.sh" "lib/ca-bundle.crt"
    521     DEPENDS "${PROJECT_SOURCE_DIR}/scripts/firefox-db2pem.sh"
    522   )
    523 endif()
    524 
    525 option(BUILD_LIBCURL_DOCS "Build libcurl man pages" ON)
    526 option(BUILD_MISC_DOCS "Build misc man pages (e.g. curl-config and mk-ca-bundle)" ON)
    527 option(ENABLE_CURL_MANUAL "Build the man page for curl and enable its -M/--manual option" ON)
    528 
    529 if(ENABLE_CURL_MANUAL OR BUILD_LIBCURL_DOCS)
    530   if(PERL_FOUND)
    531     set(HAVE_MANUAL_TOOLS ON)
    532   endif()
    533   if(NOT HAVE_MANUAL_TOOLS)
    534     message(WARNING "Perl not found. Will not build manuals.")
    535   endif()
    536 endif()
    537 
    538 # If we are on AIX, do the _ALL_SOURCE magic
    539 if(CMAKE_SYSTEM_NAME STREQUAL "AIX")
    540   set_property(DIRECTORY APPEND PROPERTY COMPILE_DEFINITIONS "_ALL_SOURCE")
    541 endif()
    542 
    543 # If we are on Haiku, make sure that the network library is brought in.
    544 if(CMAKE_SYSTEM_NAME STREQUAL "Haiku")
    545   list(APPEND CURL_LIBS "network")
    546 elseif(AMIGA)
    547   list(APPEND CURL_LIBS "net" "m" "atomic")
    548   list(APPEND CMAKE_REQUIRED_LIBRARIES "net" "m" "atomic")
    549 endif()
    550 
    551 # Include all the necessary files for macros
    552 include(CMakePushCheckState)
    553 include(CheckFunctionExists)
    554 include(CheckIncludeFile)
    555 include(CheckIncludeFiles)
    556 include(CheckLibraryExists)
    557 include(CheckSymbolExists)
    558 include(CheckTypeSize)
    559 include(CheckCSourceCompiles)
    560 
    561 option(_CURL_PREFILL "Fast-track known feature detection results (Windows, some Apple)" "${WIN32}")
    562 if(_CURL_PREFILL)
    563   if(WIN32)
    564     include("${CMAKE_CURRENT_SOURCE_DIR}/CMake/win32-cache.cmake")
    565   elseif(UNIX)
    566     include("${CMAKE_CURRENT_SOURCE_DIR}/CMake/unix-cache.cmake")
    567     message(STATUS "Pre-filling feature detection results for UNIX")
    568   endif()
    569 elseif(WIN32)
    570   message(STATUS "Pre-filling feature detection results disabled.")
    571 elseif(APPLE)
    572   set(HAVE_EVENTFD 0)
    573   set(HAVE_GETPASS_R 0)
    574   set(HAVE_WRITABLE_ARGV 1)
    575   set(HAVE_SENDMMSG 0)
    576 endif()
    577 
    578 if(AMIGA)
    579   set(HAVE_GETADDRINFO 0)  # Breaks the build when detected and used.
    580 endif()
    581 if(DOS OR AMIGA)
    582   set(HAVE_TIME_T_UNSIGNED 1)
    583 endif()
    584 
    585 if(ENABLE_THREADED_RESOLVER)
    586   if(WIN32)
    587     set(USE_THREADS_WIN32 ON)
    588   else()
    589     find_package(Threads REQUIRED)
    590     set(USE_THREADS_POSIX ${CMAKE_USE_PTHREADS_INIT})
    591     set(HAVE_PTHREAD_H ${CMAKE_USE_PTHREADS_INIT})
    592     list(APPEND CURL_LIBS ${CMAKE_THREAD_LIBS_INIT})
    593   endif()
    594 endif()
    595 
    596 # Check for all needed libraries
    597 if(WIN32)
    598   if(WINCE)
    599     set(_win32_winsock "ws2")
    600   else()
    601     set(_win32_winsock "ws2_32")
    602   endif()
    603   set(_win32_crypt32 "crypt32")
    604   set(_win32_secur32 "secur32")
    605 
    606   if(MINGW32CE)  # FIXME upstream: must specify the full path to avoid CMake converting "ws2" to "ws2.lib"
    607     set(_win32_winsock "${MINGW32CE_LIBRARY_DIR}/lib${_win32_winsock}.a")
    608     set(_win32_crypt32 "${MINGW32CE_LIBRARY_DIR}/lib${_win32_crypt32}.a")
    609     set(_win32_secur32 "${MINGW32CE_LIBRARY_DIR}/lib${_win32_secur32}.a")
    610   endif()
    611 elseif(DOS)
    612   if(WATT_ROOT)
    613     set(USE_WATT32 ON)
    614     # FIXME upstream: must specify the full path to avoid CMake converting "watt" to "watt.lib"
    615     list(APPEND CURL_LIBS "${WATT_ROOT}/lib/libwatt.a")
    616     include_directories(SYSTEM "${WATT_ROOT}/inc")
    617     list(APPEND CMAKE_REQUIRED_INCLUDES "${WATT_ROOT}/inc")
    618   else()
    619     message(FATAL_ERROR "Set WATT_ROOT variable to the root installation of Watt-32.")
    620   endif()
    621 elseif(AMIGA)
    622   if(AMISSL_INCLUDE_DIR AND AMISSL_STUBS_LIBRARY AND AMISSL_AUTO_LIBRARY)
    623     set(USE_AMISSL ON)
    624     list(APPEND CMAKE_REQUIRED_INCLUDES "${AMISSL_INCLUDE_DIR}")
    625     list(APPEND CMAKE_REQUIRED_LIBRARIES "${AMISSL_STUBS_LIBRARY}" "${AMISSL_AUTO_LIBRARY}")
    626     set(OPENSSL_INCLUDE_DIR "${AMISSL_INCLUDE_DIR}")
    627     set(OPENSSL_SSL_LIBRARY "${AMISSL_STUBS_LIBRARY}")
    628     set(OPENSSL_CRYPTO_LIBRARY "${AMISSL_AUTO_LIBRARY}")
    629     set(CURL_USE_OPENSSL ON)
    630     set(CURL_CA_FALLBACK ON CACHE BOOL "")
    631   endif()
    632 elseif(NOT APPLE)
    633   check_library_exists("socket" "connect" "" HAVE_LIBSOCKET)
    634   if(HAVE_LIBSOCKET)
    635     set(CURL_LIBS "socket" ${CURL_LIBS})
    636   endif()
    637 endif()
    638 
    639 option(ENABLE_IPV6 "Enable IPv6 support" ON)
    640 mark_as_advanced(ENABLE_IPV6)
    641 if(ENABLE_IPV6)
    642   include(CheckStructHasMember)
    643   if(WIN32)
    644     check_struct_has_member("struct sockaddr_in6" "sin6_scope_id" "winsock2.h;ws2tcpip.h" HAVE_SOCKADDR_IN6_SIN6_SCOPE_ID)
    645   else()
    646     check_struct_has_member("struct sockaddr_in6" "sin6_scope_id" "netinet/in.h" HAVE_SOCKADDR_IN6_SIN6_SCOPE_ID)
    647     check_struct_has_member("struct sockaddr_in6" "sin6_addr" "netinet/in.h" HAVE_SOCKADDR_IN6_SIN6_ADDR)
    648     if(NOT HAVE_SOCKADDR_IN6_SIN6_ADDR)
    649       if(NOT DOS AND NOT AMIGA)
    650         message(WARNING "struct sockaddr_in6 not available, disabling IPv6 support")
    651       endif()
    652       set(ENABLE_IPV6 OFF CACHE BOOL "Enable IPv6 support" FORCE)  # Force the feature off as we use this name as guard macro
    653     endif()
    654 
    655     if(APPLE AND NOT ENABLE_ARES)
    656       set(_use_core_foundation_and_core_services ON)
    657 
    658       find_library(SYSTEMCONFIGURATION_FRAMEWORK NAMES "SystemConfiguration")
    659       mark_as_advanced(SYSTEMCONFIGURATION_FRAMEWORK)
    660       if(NOT SYSTEMCONFIGURATION_FRAMEWORK)
    661         message(FATAL_ERROR "SystemConfiguration framework not found")
    662       endif()
    663       list(APPEND CURL_LIBS "-framework SystemConfiguration")
    664     endif()
    665   endif()
    666 endif()
    667 if(ENABLE_IPV6 AND NOT WINCE)
    668   set(USE_IPV6 ON)
    669 endif()
    670 
    671 # Check SSL libraries
    672 option(CURL_ENABLE_SSL "Enable SSL support" ON)
    673 
    674 if(CURL_DEFAULT_SSL_BACKEND)
    675   set(_valid_default_ssl_backend FALSE)
    676 endif()
    677 
    678 if(WIN32)
    679   cmake_dependent_option(CURL_USE_SCHANNEL "Enable Windows native SSL/TLS (Schannel)" OFF CURL_ENABLE_SSL OFF)
    680   option(CURL_WINDOWS_SSPI "Enable SSPI on Windows" ${CURL_USE_SCHANNEL})
    681 endif()
    682 cmake_dependent_option(CURL_USE_MBEDTLS "Enable mbedTLS for SSL/TLS" OFF CURL_ENABLE_SSL OFF)
    683 cmake_dependent_option(CURL_USE_WOLFSSL "Enable wolfSSL for SSL/TLS" OFF CURL_ENABLE_SSL OFF)
    684 cmake_dependent_option(CURL_USE_GNUTLS "Enable GnuTLS for SSL/TLS" OFF CURL_ENABLE_SSL OFF)
    685 cmake_dependent_option(CURL_USE_RUSTLS "Enable Rustls for SSL/TLS" OFF CURL_ENABLE_SSL OFF)
    686 
    687 if(WIN32 OR
    688    CURL_USE_SCHANNEL OR
    689    CURL_USE_MBEDTLS OR
    690    CURL_USE_WOLFSSL OR
    691    CURL_USE_GNUTLS OR
    692    CURL_USE_RUSTLS)
    693   set(_openssl_default OFF)
    694 else()
    695   set(_openssl_default ON)
    696 endif()
    697 cmake_dependent_option(CURL_USE_OPENSSL "Enable OpenSSL for SSL/TLS" ${_openssl_default} CURL_ENABLE_SSL OFF)
    698 option(USE_OPENSSL_QUIC "Use OpenSSL and nghttp3 libraries for HTTP/3 support" OFF)
    699 if(USE_OPENSSL_QUIC AND NOT CURL_USE_OPENSSL)
    700   message(WARNING "OpenSSL QUIC has been requested, but without enabling OpenSSL. Will not enable QUIC.")
    701   set(USE_OPENSSL_QUIC OFF)
    702 endif()
    703 option(CURL_DISABLE_OPENSSL_AUTO_LOAD_CONFIG "Disable automatic loading of OpenSSL configuration" OFF)
    704 
    705 curl_count_true(_enabled_ssl_options_count
    706   CURL_USE_SCHANNEL
    707   CURL_USE_OPENSSL
    708   CURL_USE_MBEDTLS
    709   CURL_USE_WOLFSSL
    710   CURL_USE_GNUTLS
    711   CURL_USE_RUSTLS
    712 )
    713 if(_enabled_ssl_options_count GREATER 1)
    714   set(CURL_WITH_MULTI_SSL ON)
    715 elseif(_enabled_ssl_options_count EQUAL 0)
    716   set(CURL_DISABLE_HSTS ON)
    717 endif()
    718 
    719 if(CURL_USE_SCHANNEL)
    720   set(_ssl_enabled ON)
    721   set(USE_SCHANNEL ON)  # Windows native SSL/TLS support
    722   set(USE_WINDOWS_SSPI ON)  # CURL_USE_SCHANNEL requires CURL_WINDOWS_SSPI
    723 
    724   if(CURL_DEFAULT_SSL_BACKEND AND CURL_DEFAULT_SSL_BACKEND STREQUAL "schannel")
    725     set(_valid_default_ssl_backend TRUE)
    726   endif()
    727 endif()
    728 if(CURL_WINDOWS_SSPI)
    729   set(USE_WINDOWS_SSPI ON)
    730 endif()
    731 
    732 if(_use_core_foundation_and_core_services)
    733   find_library(COREFOUNDATION_FRAMEWORK NAMES "CoreFoundation")
    734   mark_as_advanced(COREFOUNDATION_FRAMEWORK)
    735   if(NOT COREFOUNDATION_FRAMEWORK)
    736     message(FATAL_ERROR "CoreFoundation framework not found")
    737   endif()
    738   list(APPEND CURL_LIBS "-framework CoreFoundation")
    739 
    740   find_library(CORESERVICES_FRAMEWORK NAMES "CoreServices")
    741   mark_as_advanced(CORESERVICES_FRAMEWORK)
    742   if(NOT CORESERVICES_FRAMEWORK)
    743     message(FATAL_ERROR "CoreServices framework not found")
    744   endif()
    745   list(APPEND CURL_LIBS "-framework CoreServices")
    746 endif()
    747 
    748 if(CURL_USE_OPENSSL)
    749   find_package(OpenSSL REQUIRED)
    750   set(_ssl_enabled ON)
    751   set(USE_OPENSSL ON)
    752 
    753   # Depend on OpenSSL via imported targets. This allows our dependents to
    754   # get our dependencies transitively.
    755   list(APPEND CURL_LIBS OpenSSL::SSL OpenSSL::Crypto)
    756   list(APPEND LIBCURL_PC_REQUIRES_PRIVATE "openssl")
    757 
    758   if(CURL_DEFAULT_SSL_BACKEND AND CURL_DEFAULT_SSL_BACKEND STREQUAL "openssl")
    759     set(_valid_default_ssl_backend TRUE)
    760   endif()
    761   set(_curl_ca_bundle_supported TRUE)
    762 
    763   cmake_push_check_state()
    764   list(APPEND CMAKE_REQUIRED_LIBRARIES OpenSSL::SSL OpenSSL::Crypto)
    765   if(NOT DEFINED HAVE_BORINGSSL)
    766     check_symbol_exists("OPENSSL_IS_BORINGSSL" "openssl/base.h" HAVE_BORINGSSL)
    767   endif()
    768   if(NOT DEFINED HAVE_AWSLC)
    769     check_symbol_exists("OPENSSL_IS_AWSLC" "openssl/base.h" HAVE_AWSLC)
    770   endif()
    771   if(NOT DEFINED HAVE_LIBRESSL)
    772     check_symbol_exists("LIBRESSL_VERSION_NUMBER" "openssl/opensslv.h" HAVE_LIBRESSL)
    773   endif()
    774   cmake_pop_check_state()
    775 
    776   if(HAVE_BORINGSSL OR HAVE_AWSLC)
    777     if(OPENSSL_USE_STATIC_LIBS AND CMAKE_C_COMPILER_ID MATCHES "Clang")
    778       list(APPEND CURL_LIBS "stdc++")
    779       list(APPEND CMAKE_REQUIRED_LIBRARIES "stdc++")
    780     endif()
    781   endif()
    782 
    783   if(HAVE_BORINGSSL)
    784     set(_openssl "BoringSSL")
    785   elseif(HAVE_AWSLC)
    786     set(_openssl "AWS-LC")
    787   elseif(HAVE_LIBRESSL)
    788     set(_openssl "LibreSSL")
    789   elseif(USE_AMISSL)
    790     set(_openssl "AmiSSL")
    791   else()
    792     set(_openssl "OpenSSL")
    793   endif()
    794 endif()
    795 
    796 if(CURL_USE_MBEDTLS)
    797   find_package(MbedTLS REQUIRED)
    798   set(_ssl_enabled ON)
    799   set(USE_MBEDTLS ON)
    800   list(APPEND CURL_LIBS ${MBEDTLS_LIBRARIES})
    801   list(APPEND CURL_LIBDIRS ${MBEDTLS_LIBRARY_DIRS})
    802   list(APPEND LIBCURL_PC_REQUIRES_PRIVATE ${MBEDTLS_PC_REQUIRES})
    803   include_directories(SYSTEM ${MBEDTLS_INCLUDE_DIRS})
    804   link_directories(${MBEDTLS_LIBRARY_DIRS})
    805   if(MBEDTLS_CFLAGS)
    806     string(APPEND CMAKE_C_FLAGS " ${MBEDTLS_CFLAGS}")
    807   endif()
    808 
    809   if(CURL_DEFAULT_SSL_BACKEND AND CURL_DEFAULT_SSL_BACKEND STREQUAL "mbedtls")
    810     set(_valid_default_ssl_backend TRUE)
    811   endif()
    812   set(_curl_ca_bundle_supported TRUE)
    813 endif()
    814 
    815 if(CURL_USE_WOLFSSL)
    816   find_package(WolfSSL REQUIRED)
    817   set(_ssl_enabled ON)
    818   set(USE_WOLFSSL ON)
    819   list(APPEND CURL_LIBS ${WOLFSSL_LIBRARIES})
    820   list(APPEND CURL_LIBDIRS ${WOLFSSL_LIBRARY_DIRS})
    821   list(APPEND LIBCURL_PC_REQUIRES_PRIVATE ${WOLFSSL_PC_REQUIRES})
    822   include_directories(SYSTEM ${WOLFSSL_INCLUDE_DIRS})
    823   link_directories(${WOLFSSL_LIBRARY_DIRS})
    824   if(WOLFSSL_CFLAGS)
    825     string(APPEND CMAKE_C_FLAGS " ${WOLFSSL_CFLAGS}")
    826   endif()
    827 
    828   if(CURL_DEFAULT_SSL_BACKEND AND CURL_DEFAULT_SSL_BACKEND STREQUAL "wolfssl")
    829     set(_valid_default_ssl_backend TRUE)
    830   endif()
    831   set(_curl_ca_bundle_supported TRUE)
    832 endif()
    833 
    834 if(CURL_USE_GNUTLS)
    835   if(CURL_USE_PKGCONFIG)
    836     find_package(PkgConfig QUIET)
    837     pkg_check_modules(GNUTLS "gnutls")
    838     if(GNUTLS_FOUND)
    839       set(GNUTLS_LIBRARIES ${GNUTLS_LINK_LIBRARIES})
    840       string(REPLACE ";" " " GNUTLS_CFLAGS "${GNUTLS_CFLAGS}")
    841       if(GNUTLS_CFLAGS)
    842         string(APPEND CMAKE_C_FLAGS " ${GNUTLS_CFLAGS}")
    843       endif()
    844     endif()
    845   endif()
    846   if(NOT GNUTLS_FOUND)
    847     find_package(GnuTLS REQUIRED)
    848   endif()
    849   find_package(Nettle REQUIRED)
    850   set(_ssl_enabled ON)
    851   set(USE_GNUTLS ON)
    852   list(APPEND CURL_LIBS ${GNUTLS_LIBRARIES} ${NETTLE_LIBRARIES})
    853   list(APPEND CURL_LIBDIRS ${GNUTLS_LIBRARY_DIRS} ${NETTLE_LIBRARY_DIRS})
    854   list(APPEND LIBCURL_PC_REQUIRES_PRIVATE "gnutls" ${NETTLE_PC_REQUIRES})
    855   include_directories(SYSTEM ${GNUTLS_INCLUDE_DIRS} ${NETTLE_INCLUDE_DIRS})
    856   link_directories(${NETTLE_LIBRARY_DIRS})
    857   if(NETTLE_CFLAGS)
    858     string(APPEND CMAKE_C_FLAGS " ${NETTLE_CFLAGS}")
    859   endif()
    860 
    861   if(CURL_DEFAULT_SSL_BACKEND AND CURL_DEFAULT_SSL_BACKEND STREQUAL "gnutls")
    862     set(_valid_default_ssl_backend TRUE)
    863   endif()
    864   set(_curl_ca_bundle_supported TRUE)
    865 
    866   if(NOT DEFINED HAVE_GNUTLS_SRP AND NOT CURL_DISABLE_SRP)
    867     cmake_push_check_state()
    868     list(APPEND CMAKE_REQUIRED_INCLUDES "${GNUTLS_INCLUDE_DIRS}")
    869     list(APPEND CMAKE_REQUIRED_LIBRARIES "${GNUTLS_LIBRARIES}")
    870     check_symbol_exists("gnutls_srp_verifier" "gnutls/gnutls.h" HAVE_GNUTLS_SRP)
    871     cmake_pop_check_state()
    872   endif()
    873 endif()
    874 
    875 if(CURL_USE_RUSTLS)
    876   find_package(Rustls REQUIRED)
    877   set(_ssl_enabled ON)
    878   set(USE_RUSTLS ON)
    879   list(APPEND CURL_LIBS ${RUSTLS_LIBRARIES})
    880   list(APPEND CURL_LIBDIRS ${RUSTLS_LIBRARY_DIRS})
    881   list(APPEND LIBCURL_PC_REQUIRES_PRIVATE ${RUSTLS_PC_REQUIRES})
    882   include_directories(SYSTEM ${RUSTLS_INCLUDE_DIRS})
    883   link_directories(${RUSTLS_LIBRARY_DIRS})
    884   if(RUSTLS_CFLAGS)
    885     string(APPEND CMAKE_C_FLAGS " ${RUSTLS_CFLAGS}")
    886   endif()
    887 
    888   if(NOT DEFINED HAVE_RUSTLS_SUPPORTED_HPKE)
    889     if(RUSTLS_VERSION AND RUSTLS_VERSION VERSION_GREATER_EQUAL 0.15)
    890       set(HAVE_RUSTLS_SUPPORTED_HPKE TRUE)
    891     elseif(NOT RUSTLS_VERSION)
    892       cmake_push_check_state()
    893       list(APPEND CMAKE_REQUIRED_INCLUDES "${RUSTLS_INCLUDE_DIRS}")
    894       list(APPEND CMAKE_REQUIRED_LIBRARIES "${RUSTLS_LIBRARIES}")
    895       curl_required_libpaths("${RUSTLS_LIBRARY_DIRS}")
    896       check_symbol_exists("rustls_supported_hpke" "rustls.h" HAVE_RUSTLS_SUPPORTED_HPKE)
    897       cmake_pop_check_state()
    898     endif()
    899   endif()
    900   if(NOT HAVE_RUSTLS_SUPPORTED_HPKE)
    901     message(FATAL_ERROR "rustls-ffi library does not provide rustls_supported_hpke function. Required version is 0.15 or newer.")
    902   endif()
    903 
    904   if(CURL_DEFAULT_SSL_BACKEND AND CURL_DEFAULT_SSL_BACKEND STREQUAL "rustls")
    905     set(_valid_default_ssl_backend TRUE)
    906   endif()
    907   set(_curl_ca_bundle_supported TRUE)
    908 endif()
    909 
    910 if(CURL_DEFAULT_SSL_BACKEND AND NOT _valid_default_ssl_backend)
    911   message(FATAL_ERROR "CURL_DEFAULT_SSL_BACKEND '${CURL_DEFAULT_SSL_BACKEND}' not enabled.")
    912 endif()
    913 
    914 # Keep ZLIB detection after TLS detection,
    915 # and before calling curl_openssl_check_exists().
    916 
    917 set(HAVE_LIBZ OFF)
    918 curl_dependency_option(CURL_ZLIB ZLIB "ZLIB")
    919 if(ZLIB_FOUND)
    920   set(HAVE_LIBZ ON)
    921   # Depend on ZLIB via imported targets. This allows our dependents to
    922   # get our dependencies transitively.
    923   list(APPEND CURL_LIBS ZLIB::ZLIB)
    924   list(APPEND LIBCURL_PC_REQUIRES_PRIVATE "zlib")
    925 endif()
    926 
    927 set(HAVE_BROTLI OFF)
    928 curl_dependency_option(CURL_BROTLI Brotli "brotli")
    929 if(BROTLI_FOUND)
    930   set(HAVE_BROTLI ON)
    931   list(APPEND CURL_LIBS ${BROTLI_LIBRARIES})
    932   list(APPEND CURL_LIBDIRS ${BROTLI_LIBRARY_DIRS})
    933   list(APPEND LIBCURL_PC_REQUIRES_PRIVATE ${BROTLI_PC_REQUIRES})
    934   include_directories(SYSTEM ${BROTLI_INCLUDE_DIRS})
    935   link_directories(${BROTLI_LIBRARY_DIRS})
    936   if(BROTLI_CFLAGS)
    937     string(APPEND CMAKE_C_FLAGS " ${BROTLI_CFLAGS}")
    938   endif()
    939 endif()
    940 
    941 set(HAVE_ZSTD OFF)
    942 curl_dependency_option(CURL_ZSTD Zstd "zstd")
    943 if(ZSTD_FOUND)
    944   if(ZSTD_VERSION VERSION_GREATER_EQUAL 1.0.0)
    945     set(HAVE_ZSTD ON)
    946     list(APPEND CURL_LIBS ${ZSTD_LIBRARIES})
    947     list(APPEND CURL_LIBDIRS ${ZSTD_LIBRARY_DIRS})
    948     list(APPEND LIBCURL_PC_REQUIRES_PRIVATE ${ZSTD_PC_REQUIRES})
    949     include_directories(SYSTEM ${ZSTD_INCLUDE_DIRS})
    950     link_directories(${ZSTD_LIBRARY_DIRS})
    951     if(ZSTD_CFLAGS)
    952       string(APPEND CMAKE_C_FLAGS " ${ZSTD_CFLAGS}")
    953     endif()
    954   else()
    955     message(WARNING "zstd v1.0.0 or newer is required, disabling zstd support.")
    956   endif()
    957 endif()
    958 
    959 # Check function in an OpenSSL-like TLS backend.
    960 macro(curl_openssl_check_exists)
    961   cmake_push_check_state()
    962   if(USE_OPENSSL)
    963     list(APPEND CMAKE_REQUIRED_LIBRARIES OpenSSL::SSL OpenSSL::Crypto)
    964     list(APPEND CMAKE_REQUIRED_DEFINITIONS "-DOPENSSL_SUPPRESS_DEPRECATED")  # for SSL_CTX_set_srp_username deprecated since 3.0.0
    965     if(HAVE_LIBZ)
    966       list(APPEND CMAKE_REQUIRED_LIBRARIES ZLIB::ZLIB)
    967     endif()
    968     if(WIN32 AND NOT WINCE)
    969       list(APPEND CMAKE_REQUIRED_LIBRARIES "bcrypt")  # for OpenSSL/LibreSSL
    970     endif()
    971   endif()
    972   if(USE_WOLFSSL)
    973     list(APPEND CMAKE_REQUIRED_INCLUDES "${WOLFSSL_INCLUDE_DIRS}")
    974     list(APPEND CMAKE_REQUIRED_LIBRARIES "${WOLFSSL_LIBRARIES}")
    975     curl_required_libpaths("${WOLFSSL_LIBRARY_DIRS}")
    976     if(HAVE_LIBZ)
    977       list(APPEND CMAKE_REQUIRED_LIBRARIES ZLIB::ZLIB)  # Public wolfSSL headers also require zlib headers
    978     endif()
    979     list(APPEND CMAKE_REQUIRED_DEFINITIONS "-DHAVE_UINTPTR_T")  # to pull in stdint.h (as of wolfSSL v5.5.4)
    980   endif()
    981   if(WIN32)
    982     list(APPEND CMAKE_REQUIRED_LIBRARIES "${_win32_winsock}" "${_win32_crypt32}")  # for OpenSSL/wolfSSL
    983   endif()
    984   if(${ARGC} EQUAL 2)
    985     check_function_exists(${ARGN})
    986   else()
    987     check_symbol_exists(${ARGN})  # Uses CMAKE_REQUIRED_INCLUDES and CMAKE_REQUIRED_DEFINITIONS
    988   endif()
    989   cmake_pop_check_state()
    990 endmacro()
    991 
    992 # Ensure that OpenSSL (or fork) or wolfSSL actually supports QUICTLS API.
    993 macro(curl_openssl_check_quic)
    994   if(USE_OPENSSL AND NOT USE_OPENSSL_QUIC)
    995     if(OPENSSL_VERSION VERSION_GREATER_EQUAL 3.5.0)
    996       if(NOT DEFINED HAVE_SSL_SET_QUIC_TLS_CBS)
    997         curl_openssl_check_exists("SSL_set_quic_tls_cbs" HAVE_SSL_SET_QUIC_TLS_CBS)
    998       endif()
    999     else()
   1000       if(NOT DEFINED HAVE_SSL_SET_QUIC_USE_LEGACY_CODEPOINT)
   1001         curl_openssl_check_exists("SSL_set_quic_use_legacy_codepoint" HAVE_SSL_SET_QUIC_USE_LEGACY_CODEPOINT)
   1002       endif()
   1003     endif()
   1004   endif()
   1005   if(USE_WOLFSSL AND NOT DEFINED HAVE_WOLFSSL_SET_QUIC_USE_LEGACY_CODEPOINT)
   1006     curl_openssl_check_exists("wolfSSL_set_quic_use_legacy_codepoint" HAVE_WOLFSSL_SET_QUIC_USE_LEGACY_CODEPOINT)
   1007   endif()
   1008   if(NOT HAVE_SSL_SET_QUIC_TLS_CBS AND
   1009      NOT HAVE_SSL_SET_QUIC_USE_LEGACY_CODEPOINT AND
   1010      NOT HAVE_WOLFSSL_SET_QUIC_USE_LEGACY_CODEPOINT)
   1011     message(FATAL_ERROR "QUICTLS API support is missing from OpenSSL/fork/wolfSSL. Try setting -DOPENSSL_ROOT_DIR")
   1012   endif()
   1013 endmacro()
   1014 
   1015 if(USE_WOLFSSL)
   1016   curl_openssl_check_exists("wolfSSL_get_peer_certificate" HAVE_WOLFSSL_GET_PEER_CERTIFICATE)
   1017   curl_openssl_check_exists("wolfSSL_UseALPN" HAVE_WOLFSSL_USEALPN)
   1018   curl_openssl_check_exists("wolfSSL_DES_ecb_encrypt" HAVE_WOLFSSL_DES_ECB_ENCRYPT)
   1019   curl_openssl_check_exists("wolfSSL_BIO_new" HAVE_WOLFSSL_BIO_NEW)
   1020   curl_openssl_check_exists("wolfSSL_BIO_set_shutdown" HAVE_WOLFSSL_BIO_SET_SHUTDOWN)
   1021 endif()
   1022 
   1023 if(USE_OPENSSL)
   1024   if(NOT DEFINED HAVE_SSL_SET0_WBIO)
   1025     curl_openssl_check_exists("SSL_set0_wbio" HAVE_SSL_SET0_WBIO)
   1026   endif()
   1027   if(NOT DEFINED HAVE_OPENSSL_SRP AND NOT CURL_DISABLE_SRP)
   1028     curl_openssl_check_exists("SSL_CTX_set_srp_username" "openssl/ssl.h" HAVE_OPENSSL_SRP)
   1029   endif()
   1030 endif()
   1031 
   1032 option(USE_HTTPSRR "Enable HTTPS RR support" OFF)
   1033 option(USE_ECH "Enable ECH support" OFF)
   1034 if(USE_ECH)
   1035   if(USE_OPENSSL OR USE_WOLFSSL OR USE_RUSTLS)
   1036     # Be sure that the TLS library actually supports ECH.
   1037     if(USE_WOLFSSL)
   1038       curl_openssl_check_exists("wolfSSL_CTX_GenerateEchConfig" HAVE_WOLFSSL_CTX_GENERATEECHCONFIG)
   1039     endif()
   1040     if(USE_OPENSSL)
   1041       curl_openssl_check_exists("SSL_set1_ech_config_list" HAVE_SSL_SET1_ECH_CONFIG_LIST)
   1042     endif()
   1043     if(HAVE_WOLFSSL_CTX_GENERATEECHCONFIG OR
   1044        HAVE_SSL_SET1_ECH_CONFIG_LIST OR
   1045        USE_RUSTLS)
   1046       set(HAVE_ECH 1)
   1047     endif()
   1048     if(NOT HAVE_ECH)
   1049       message(FATAL_ERROR "ECH support missing in OpenSSL/BoringSSL/AWS-LC/wolfSSL/rustls-ffi")
   1050     else()
   1051       message(STATUS "ECH enabled")
   1052       # ECH wants HTTPSRR
   1053       set(USE_HTTPSRR ON)
   1054       message(STATUS "HTTPSRR enabled")
   1055     endif()
   1056   else()
   1057     message(FATAL_ERROR "ECH requires ECH-enabled OpenSSL, BoringSSL, AWS-LC, wolfSSL or rustls-ffi")
   1058   endif()
   1059 endif()
   1060 
   1061 option(USE_SSLS_EXPORT "Enable SSL session export support" OFF)
   1062 if(USE_SSLS_EXPORT)
   1063   if(_ssl_enabled)
   1064     message(STATUS "SSL export enabled.")
   1065   else()
   1066     message(FATAL_ERROR "SSL session export requires SSL enabled")
   1067   endif()
   1068 endif()
   1069 
   1070 option(USE_NGHTTP2 "Use nghttp2 library" ON)
   1071 if(USE_NGHTTP2)
   1072   find_package(NGHTTP2)
   1073   if(NGHTTP2_FOUND)
   1074     list(APPEND CURL_LIBS ${NGHTTP2_LIBRARIES})
   1075     list(APPEND CURL_LIBDIRS ${NGHTTP2_LIBRARY_DIRS})
   1076     list(APPEND LIBCURL_PC_REQUIRES_PRIVATE ${NGHTTP2_PC_REQUIRES})
   1077     include_directories(SYSTEM ${NGHTTP2_INCLUDE_DIRS})
   1078     link_directories(${NGHTTP2_LIBRARY_DIRS})
   1079     if(NGHTTP2_CFLAGS)
   1080       string(APPEND CMAKE_C_FLAGS " ${NGHTTP2_CFLAGS}")
   1081     endif()
   1082   else()
   1083     set(USE_NGHTTP2 OFF)
   1084   endif()
   1085 endif()
   1086 
   1087 option(USE_NGTCP2 "Use ngtcp2 and nghttp3 libraries for HTTP/3 support" OFF)
   1088 if(USE_NGTCP2)
   1089   if(USE_OPENSSL OR USE_WOLFSSL)
   1090     if(USE_WOLFSSL)
   1091       find_package(NGTCP2 REQUIRED "wolfSSL")
   1092     elseif(HAVE_BORINGSSL OR HAVE_AWSLC)
   1093       find_package(NGTCP2 REQUIRED "BoringSSL")
   1094     elseif(OPENSSL_VERSION VERSION_GREATER_EQUAL 3.5.0 AND NOT USE_OPENSSL_QUIC)
   1095       find_package(NGTCP2 REQUIRED "ossl")
   1096       if(NGTCP2_VERSION VERSION_LESS 1.12.0)
   1097         message(FATAL_ERROR "ngtcp2 1.12.0 or upper required for OpenSSL")
   1098       endif()
   1099       set(OPENSSL_QUIC_API2 1)
   1100     else()
   1101       find_package(NGTCP2 REQUIRED "quictls")
   1102       if(NOT HAVE_LIBRESSL)
   1103         set(_openssl "quictls")
   1104       endif()
   1105     endif()
   1106     curl_openssl_check_quic()
   1107   elseif(USE_GNUTLS)
   1108     find_package(NGTCP2 REQUIRED "GnuTLS")
   1109   else()
   1110     message(FATAL_ERROR "ngtcp2 requires a supported TLS-backend")
   1111   endif()
   1112   list(APPEND CURL_LIBS ${NGTCP2_LIBRARIES})
   1113   list(APPEND CURL_LIBDIRS ${NGTCP2_LIBRARY_DIRS})
   1114   list(APPEND LIBCURL_PC_REQUIRES_PRIVATE ${NGTCP2_PC_REQUIRES})
   1115   include_directories(SYSTEM ${NGTCP2_INCLUDE_DIRS})
   1116   link_directories(${NGTCP2_LIBRARY_DIRS})
   1117   if(NGTCP2_CFLAGS)
   1118     string(APPEND CMAKE_C_FLAGS " ${NGTCP2_CFLAGS}")
   1119   endif()
   1120 
   1121   find_package(NGHTTP3 REQUIRED)
   1122   set(USE_NGHTTP3 ON)
   1123   list(APPEND CURL_LIBS ${NGHTTP3_LIBRARIES})
   1124   list(APPEND CURL_LIBDIRS ${NGHTTP3_LIBRARY_DIRS})
   1125   list(APPEND LIBCURL_PC_REQUIRES_PRIVATE ${NGHTTP3_PC_REQUIRES})
   1126   include_directories(SYSTEM ${NGHTTP3_INCLUDE_DIRS})
   1127   link_directories(${NGHTTP3_LIBRARY_DIRS})
   1128   if(NGHTTP3_CFLAGS)
   1129     string(APPEND CMAKE_C_FLAGS " ${NGHTTP3_CFLAGS}")
   1130   endif()
   1131 endif()
   1132 
   1133 option(USE_QUICHE "Use quiche library for HTTP/3 support" OFF)
   1134 if(USE_QUICHE)
   1135   if(USE_NGTCP2)
   1136     message(FATAL_ERROR "Only one HTTP/3 backend can be selected")
   1137   endif()
   1138   find_package(Quiche REQUIRED)
   1139   if(NOT HAVE_BORINGSSL)
   1140     message(FATAL_ERROR "quiche requires BoringSSL")
   1141   endif()
   1142   curl_openssl_check_quic()
   1143   list(APPEND CURL_LIBS ${QUICHE_LIBRARIES})
   1144   list(APPEND CURL_LIBDIRS ${QUICHE_LIBRARY_DIRS})
   1145   list(APPEND LIBCURL_PC_REQUIRES_PRIVATE ${QUICHE_PC_REQUIRES})
   1146   include_directories(SYSTEM ${QUICHE_INCLUDE_DIRS})
   1147   link_directories(${QUICHE_LIBRARY_DIRS})
   1148   if(QUICHE_CFLAGS)
   1149     string(APPEND CMAKE_C_FLAGS " ${QUICHE_CFLAGS}")
   1150   endif()
   1151   if(NOT DEFINED HAVE_QUICHE_CONN_SET_QLOG_FD)
   1152     cmake_push_check_state()
   1153     list(APPEND CMAKE_REQUIRED_INCLUDES "${QUICHE_INCLUDE_DIRS}")
   1154     list(APPEND CMAKE_REQUIRED_LIBRARIES "${QUICHE_LIBRARIES}")
   1155     check_symbol_exists("quiche_conn_set_qlog_fd" "quiche.h" HAVE_QUICHE_CONN_SET_QLOG_FD)
   1156     cmake_pop_check_state()
   1157   endif()
   1158 endif()
   1159 
   1160 option(USE_MSH3 "Use msh3/msquic library for HTTP/3 support" OFF)
   1161 if(USE_MSH3)
   1162   if(USE_NGTCP2 OR USE_QUICHE)
   1163     message(FATAL_ERROR "Only one HTTP/3 backend can be selected")
   1164   endif()
   1165   if(NOT WIN32)
   1166     if(NOT USE_OPENSSL)
   1167       message(FATAL_ERROR "msh3/msquic requires OpenSSL fork with QUIC API")
   1168     endif()
   1169     curl_openssl_check_quic()
   1170   endif()
   1171   find_package(MSH3 REQUIRED)
   1172   list(APPEND CURL_LIBS ${MSH3_LIBRARIES})
   1173   list(APPEND CURL_LIBDIRS ${MSH3_LIBRARY_DIRS})
   1174   list(APPEND LIBCURL_PC_REQUIRES_PRIVATE ${MSH3_PC_REQUIRES})
   1175   include_directories(SYSTEM ${MSH3_INCLUDE_DIRS})
   1176   link_directories(${MSH3_LIBRARY_DIRS})
   1177   if(MSH3_CFLAGS)
   1178     string(APPEND CMAKE_C_FLAGS " ${MSH3_CFLAGS}")
   1179   endif()
   1180 endif()
   1181 
   1182 if(USE_OPENSSL_QUIC)
   1183   if(USE_NGTCP2 OR USE_QUICHE OR USE_MSH3)
   1184     message(FATAL_ERROR "Only one HTTP/3 backend can be selected")
   1185   endif()
   1186   find_package(OpenSSL 3.3.0 REQUIRED)
   1187 
   1188   find_package(NGHTTP3 REQUIRED)
   1189   set(USE_NGHTTP3 ON)
   1190   list(APPEND CURL_LIBS ${NGHTTP3_LIBRARIES})
   1191   list(APPEND CURL_LIBDIRS ${NGHTTP3_LIBRARY_DIRS})
   1192   list(APPEND LIBCURL_PC_REQUIRES_PRIVATE ${NGHTTP3_PC_REQUIRES})
   1193   include_directories(SYSTEM ${NGHTTP3_INCLUDE_DIRS})
   1194   link_directories(${NGHTTP3_LIBRARY_DIRS})
   1195   if(NGHTTP3_CFLAGS)
   1196     string(APPEND CMAKE_C_FLAGS " ${NGHTTP3_CFLAGS}")
   1197   endif()
   1198 endif()
   1199 
   1200 if(CURL_WITH_MULTI_SSL AND (USE_NGTCP2 OR USE_QUICHE OR USE_MSH3 OR USE_OPENSSL_QUIC))
   1201   message(FATAL_ERROR "MultiSSL cannot be enabled with HTTP/3 and vice versa.")
   1202 endif()
   1203 
   1204 if(NOT CURL_DISABLE_SRP AND (HAVE_GNUTLS_SRP OR HAVE_OPENSSL_SRP))
   1205   set(USE_TLS_SRP 1)
   1206 endif()
   1207 
   1208 if(NOT CURL_DISABLE_LDAP)
   1209   if(WIN32 AND NOT WINDOWS_STORE AND NOT WINCE)
   1210     option(USE_WIN32_LDAP "Use Windows LDAP implementation" ON)
   1211     if(USE_WIN32_LDAP)
   1212       list(APPEND CURL_LIBS "wldap32")
   1213       if(NOT CURL_DISABLE_LDAPS)
   1214         set(HAVE_LDAP_SSL ON)
   1215       endif()
   1216     endif()
   1217   endif()
   1218 
   1219   # Now that we know, we are not using Windows LDAP...
   1220   if(NOT USE_WIN32_LDAP)
   1221     # Check for LDAP
   1222     cmake_push_check_state()
   1223     if(USE_OPENSSL)
   1224       list(APPEND CMAKE_REQUIRED_LIBRARIES OpenSSL::SSL OpenSSL::Crypto)
   1225     endif()
   1226     find_package(LDAP)
   1227     if(LDAP_FOUND)
   1228       set(HAVE_LBER_H 1)
   1229       set(CURL_LIBS ${LDAP_LIBRARIES} ${CURL_LIBS})
   1230       list(APPEND CURL_LIBDIRS ${LDAP_LIBRARY_DIRS})
   1231       if(LDAP_PC_REQUIRES)
   1232         set(LIBCURL_PC_REQUIRES_PRIVATE ${LDAP_PC_REQUIRES} ${LIBCURL_PC_REQUIRES_PRIVATE})
   1233       endif()
   1234       include_directories(SYSTEM ${LDAP_INCLUDE_DIRS})
   1235       link_directories(${LDAP_LIBRARY_DIRS})
   1236       if(LDAP_CFLAGS)
   1237         string(APPEND CMAKE_C_FLAGS " ${LDAP_CFLAGS}")
   1238       endif()
   1239 
   1240       # LDAP feature checks
   1241 
   1242       list(APPEND CMAKE_REQUIRED_DEFINITIONS "-DLDAP_DEPRECATED=1")
   1243       list(APPEND CMAKE_REQUIRED_LIBRARIES "${LDAP_LIBRARIES}")
   1244       curl_required_libpaths("${LDAP_LIBRARY_DIRS}")
   1245 
   1246       check_function_exists("ldap_url_parse" HAVE_LDAP_URL_PARSE)
   1247       check_function_exists("ldap_init_fd" HAVE_LDAP_INIT_FD)
   1248 
   1249       check_include_file("ldap_ssl.h" HAVE_LDAP_SSL_H)
   1250 
   1251       if(HAVE_LDAP_INIT_FD)
   1252         set(USE_OPENLDAP ON)
   1253       endif()
   1254       if(NOT CURL_DISABLE_LDAPS)
   1255         set(HAVE_LDAP_SSL ON)
   1256       endif()
   1257     else()
   1258       message(STATUS "LDAP not found. CURL_DISABLE_LDAP set ON")
   1259       set(CURL_DISABLE_LDAP ON CACHE BOOL "" FORCE)
   1260     endif()
   1261     cmake_pop_check_state()
   1262   endif()
   1263 endif()
   1264 
   1265 # No ldap, no ldaps.
   1266 if(CURL_DISABLE_LDAP)
   1267   if(NOT CURL_DISABLE_LDAPS)
   1268     message(STATUS "LDAP needs to be enabled to support LDAPS")
   1269     set(CURL_DISABLE_LDAPS ON CACHE BOOL "" FORCE)
   1270   endif()
   1271 endif()
   1272 
   1273 if(WIN32)
   1274   option(USE_WIN32_IDN "Use WinIDN for IDN support" OFF)
   1275   if(USE_WIN32_IDN)
   1276     list(APPEND CURL_LIBS "normaliz")
   1277   endif()
   1278 else()
   1279   set(USE_WIN32_IDN OFF)
   1280 endif()
   1281 
   1282 if(APPLE)
   1283   option(USE_APPLE_IDN "Use Apple built-in IDN support" OFF)
   1284   if(USE_APPLE_IDN)
   1285     cmake_push_check_state()
   1286     list(APPEND CMAKE_REQUIRED_LIBRARIES "icucore")
   1287     check_symbol_exists("uidna_openUTS46" "unicode/uidna.h" HAVE_APPLE_IDN)
   1288     cmake_pop_check_state()
   1289     if(HAVE_APPLE_IDN)
   1290       list(APPEND CURL_LIBS "icucore" "iconv")
   1291     else()
   1292       set(USE_APPLE_IDN OFF)
   1293     endif()
   1294   endif()
   1295 else()
   1296   set(USE_APPLE_IDN OFF)
   1297 endif()
   1298 
   1299 # Check for libidn2
   1300 option(USE_LIBIDN2 "Use libidn2 for IDN support" ON)
   1301 set(HAVE_IDN2_H OFF)
   1302 set(HAVE_LIBIDN2 OFF)
   1303 if(USE_LIBIDN2 AND NOT USE_APPLE_IDN AND NOT USE_WIN32_IDN)
   1304   find_package(Libidn2)
   1305   if(LIBIDN2_FOUND)
   1306     set(CURL_LIBS ${LIBIDN2_LIBRARIES} ${CURL_LIBS})
   1307     list(APPEND CURL_LIBDIRS ${LIBIDN2_LIBRARY_DIRS})
   1308     set(LIBCURL_PC_REQUIRES_PRIVATE ${LIBIDN2_PC_REQUIRES} ${LIBCURL_PC_REQUIRES_PRIVATE})
   1309     include_directories(SYSTEM ${LIBIDN2_INCLUDE_DIRS})
   1310     link_directories(${LIBIDN2_LIBRARY_DIRS})
   1311     if(LIBIDN2_CFLAGS)
   1312       string(APPEND CMAKE_C_FLAGS " ${LIBIDN2_CFLAGS}")
   1313     endif()
   1314     set(HAVE_IDN2_H 1)
   1315     set(HAVE_LIBIDN2 1)
   1316   endif()
   1317 endif()
   1318 
   1319 # libpsl
   1320 option(CURL_USE_LIBPSL "Use libpsl" ON)
   1321 mark_as_advanced(CURL_USE_LIBPSL)
   1322 set(USE_LIBPSL OFF)
   1323 
   1324 if(CURL_USE_LIBPSL)
   1325   find_package(Libpsl REQUIRED)
   1326   list(APPEND CURL_LIBS ${LIBPSL_LIBRARIES})
   1327   list(APPEND CURL_LIBDIRS ${LIBPSL_LIBRARY_DIRS})
   1328   list(APPEND LIBCURL_PC_REQUIRES_PRIVATE ${LIBPSL_PC_REQUIRES})
   1329   include_directories(SYSTEM ${LIBPSL_INCLUDE_DIRS})
   1330   link_directories(${LIBPSL_LIBRARY_DIRS})
   1331   if(LIBPSL_CFLAGS)
   1332     string(APPEND CMAKE_C_FLAGS " ${LIBPSL_CFLAGS}")
   1333   endif()
   1334   set(USE_LIBPSL ON)
   1335 endif()
   1336 
   1337 # libssh2
   1338 option(CURL_USE_LIBSSH2 "Use libssh2" ON)
   1339 mark_as_advanced(CURL_USE_LIBSSH2)
   1340 set(USE_LIBSSH2 OFF)
   1341 
   1342 if(CURL_USE_LIBSSH2)
   1343   find_package(Libssh2)
   1344   if(LIBSSH2_FOUND)
   1345     set(CURL_LIBS ${LIBSSH2_LIBRARIES} ${CURL_LIBS})  # keep it before TLS-crypto, compression
   1346     list(APPEND CURL_LIBDIRS ${LIBSSH2_LIBRARY_DIRS})
   1347     set(LIBCURL_PC_REQUIRES_PRIVATE ${LIBSSH2_PC_REQUIRES} ${LIBCURL_PC_REQUIRES_PRIVATE})
   1348     include_directories(SYSTEM ${LIBSSH2_INCLUDE_DIRS})
   1349     link_directories(${LIBSSH2_LIBRARY_DIRS})
   1350     if(LIBSSH2_CFLAGS)
   1351       string(APPEND CMAKE_C_FLAGS " ${LIBSSH2_CFLAGS}")
   1352     endif()
   1353     set(USE_LIBSSH2 ON)
   1354   endif()
   1355 endif()
   1356 
   1357 # libssh
   1358 option(CURL_USE_LIBSSH "Use libssh" OFF)
   1359 mark_as_advanced(CURL_USE_LIBSSH)
   1360 if(NOT USE_LIBSSH2 AND CURL_USE_LIBSSH)
   1361   find_package(Libssh REQUIRED)
   1362   set(CURL_LIBS ${LIBSSH_LIBRARIES} ${CURL_LIBS})  # keep it before TLS-crypto, compression
   1363   list(APPEND CURL_LIBDIRS ${LIBSSH_LIBRARY_DIRS})
   1364   set(LIBCURL_PC_REQUIRES_PRIVATE ${LIBSSH_PC_REQUIRES} ${LIBCURL_PC_REQUIRES_PRIVATE})
   1365   include_directories(SYSTEM ${LIBSSH_INCLUDE_DIRS})
   1366   link_directories(${LIBSSH_LIBRARY_DIRS})
   1367   if(LIBSSH_CFLAGS)
   1368     string(APPEND CMAKE_C_FLAGS " ${LIBSSH_CFLAGS}")
   1369   endif()
   1370   set(USE_LIBSSH ON)
   1371 endif()
   1372 
   1373 # wolfSSH
   1374 option(CURL_USE_WOLFSSH "Use wolfSSH" OFF)
   1375 mark_as_advanced(CURL_USE_WOLFSSH)
   1376 set(USE_WOLFSSH OFF)
   1377 if(NOT USE_LIBSSH2 AND NOT USE_LIBSSH AND CURL_USE_WOLFSSH)
   1378   if(USE_WOLFSSL)
   1379     find_package(WolfSSH)
   1380     if(WOLFSSH_FOUND)
   1381       set(CURL_LIBS ${WOLFSSH_LIBRARIES} ${CURL_LIBS})  # keep it before TLS-crypto, compression
   1382       include_directories(SYSTEM ${WOLFSSH_INCLUDE_DIRS})
   1383       set(USE_WOLFSSH ON)
   1384     endif()
   1385   else()
   1386     message(WARNING "wolfSSH requires wolfSSL. Skipping.")
   1387   endif()
   1388 endif()
   1389 
   1390 option(CURL_USE_GSASL "Use libgsasl" OFF)
   1391 mark_as_advanced(CURL_USE_GSASL)
   1392 if(CURL_USE_GSASL)
   1393   find_package(Libgsasl REQUIRED)
   1394   list(APPEND CURL_LIBS ${LIBGSASL_LIBRARIES})
   1395   list(APPEND CURL_LIBDIRS ${LIBGSASL_LIBRARY_DIRS})
   1396   list(APPEND LIBCURL_PC_REQUIRES_PRIVATE ${LIBGSASL_PC_REQUIRES})
   1397   include_directories(SYSTEM ${LIBGSASL_INCLUDE_DIRS})
   1398   link_directories(${LIBGSASL_LIBRARY_DIRS})
   1399   if(LIBGSASL_CFLAGS)
   1400     string(APPEND CMAKE_C_FLAGS " ${LIBGSASL_CFLAGS}")
   1401   endif()
   1402   set(USE_GSASL ON)
   1403 endif()
   1404 
   1405 option(CURL_USE_GSSAPI "Use GSSAPI implementation" OFF)
   1406 mark_as_advanced(CURL_USE_GSSAPI)
   1407 
   1408 if(CURL_USE_GSSAPI)
   1409   find_package(GSS)
   1410 
   1411   set(HAVE_GSSAPI ${GSS_FOUND})
   1412   if(GSS_FOUND)
   1413     list(APPEND CURL_LIBS ${GSS_LIBRARIES})
   1414     list(APPEND CURL_LIBDIRS ${GSS_LIBRARY_DIRS})
   1415     list(APPEND LIBCURL_PC_REQUIRES_PRIVATE ${GSS_PC_REQUIRES})
   1416     include_directories(SYSTEM ${GSS_INCLUDE_DIRS})
   1417     link_directories(${GSS_LIBRARY_DIRS})
   1418     if(GSS_CFLAGS)
   1419       string(APPEND CMAKE_C_FLAGS " ${GSS_CFLAGS}")
   1420     endif()
   1421 
   1422     if(GSS_FLAVOUR STREQUAL "GNU")
   1423       set(HAVE_GSSGNU 1)
   1424     else()
   1425       cmake_push_check_state()
   1426       list(APPEND CMAKE_REQUIRED_INCLUDES "${GSS_INCLUDE_DIRS}")
   1427 
   1428       set(_include_list "")
   1429       check_include_file("gssapi/gssapi.h" HAVE_GSSAPI_GSSAPI_H)
   1430       if(HAVE_GSSAPI_GSSAPI_H)
   1431         list(APPEND _include_list "gssapi/gssapi.h")
   1432       endif()
   1433       check_include_files("${_include_list};gssapi/gssapi_generic.h" HAVE_GSSAPI_GSSAPI_GENERIC_H)
   1434 
   1435       if(GSS_FLAVOUR STREQUAL "MIT")
   1436         check_include_files("${_include_list};gssapi/gssapi_krb5.h" _have_gssapi_gssapi_krb5_h)
   1437         if(HAVE_GSSAPI_GSSAPI_GENERIC_H)
   1438           list(APPEND _include_list "gssapi/gssapi_generic.h")
   1439         endif()
   1440         if(_have_gssapi_gssapi_krb5_h)
   1441           list(APPEND _include_list "gssapi/gssapi_krb5.h")
   1442         endif()
   1443 
   1444         if(NOT DEFINED HAVE_GSS_C_NT_HOSTBASED_SERVICE)
   1445           string(APPEND CMAKE_REQUIRED_FLAGS " ${GSS_CFLAGS}")
   1446           list(APPEND CMAKE_REQUIRED_LIBRARIES "${GSS_LIBRARIES}")
   1447           curl_required_libpaths("${GSS_LIBRARY_DIRS}")
   1448           check_symbol_exists("GSS_C_NT_HOSTBASED_SERVICE" "${_include_list}" HAVE_GSS_C_NT_HOSTBASED_SERVICE)
   1449         endif()
   1450         if(NOT HAVE_GSS_C_NT_HOSTBASED_SERVICE)
   1451           set(HAVE_OLD_GSSMIT ON)
   1452         endif()
   1453       endif()
   1454       unset(_include_list)
   1455       cmake_pop_check_state()
   1456     endif()
   1457   else()
   1458     message(WARNING "GSSAPI has been requested, but no supporting libraries found. Skipping.")
   1459   endif()
   1460 endif()
   1461 
   1462 # libuv
   1463 option(CURL_USE_LIBUV "Use libuv for event-based tests" OFF)
   1464 if(CURL_USE_LIBUV)
   1465   if(NOT ENABLE_DEBUG)
   1466     message(FATAL_ERROR "Using libuv without debug support enabled is useless")
   1467   endif()
   1468   find_package(Libuv REQUIRED)
   1469   list(APPEND CURL_LIBS ${LIBUV_LIBRARIES})
   1470   list(APPEND CURL_LIBDIRS ${LIBUV_LIBRARY_DIRS})
   1471   list(APPEND LIBCURL_PC_REQUIRES_PRIVATE ${LIBUV_PC_REQUIRES})
   1472   include_directories(SYSTEM ${LIBUV_INCLUDE_DIRS})
   1473   link_directories(${LIBUV_LIBRARY_DIRS})
   1474   if(LIBUV_CFLAGS)
   1475     string(APPEND CMAKE_C_FLAGS " ${LIBUV_CFLAGS}")
   1476   endif()
   1477   set(USE_LIBUV ON)
   1478   set(HAVE_UV_H ON)
   1479 endif()
   1480 
   1481 option(USE_LIBRTMP "Enable librtmp from rtmpdump" OFF)
   1482 if(USE_LIBRTMP)
   1483   find_package(Librtmp REQUIRED)
   1484   list(APPEND CURL_LIBS ${LIBRTMP_LIBRARIES})
   1485   list(APPEND CURL_LIBDIRS ${LIBRTMP_LIBRARY_DIRS})
   1486   list(APPEND LIBCURL_PC_REQUIRES_PRIVATE ${LIBRTMP_PC_REQUIRES})
   1487   include_directories(SYSTEM ${LIBRTMP_INCLUDE_DIRS})
   1488   link_directories(${LIBRTMP_LIBRARY_DIRS})
   1489   if(LIBRTMP_CFLAGS)
   1490     string(APPEND CMAKE_C_FLAGS " ${LIBRTMP_CFLAGS}")
   1491   endif()
   1492 endif()
   1493 
   1494 option(ENABLE_UNIX_SOCKETS "Enable Unix domain sockets support" ON)
   1495 if(ENABLE_UNIX_SOCKETS AND NOT WINCE)
   1496   if(WIN32 OR DOS)
   1497     set(USE_UNIX_SOCKETS ON)
   1498   else()
   1499     include(CheckStructHasMember)
   1500     check_struct_has_member("struct sockaddr_un" "sun_path" "sys/un.h" USE_UNIX_SOCKETS)
   1501   endif()
   1502 else()
   1503   unset(USE_UNIX_SOCKETS CACHE)
   1504 endif()
   1505 
   1506 #
   1507 # CA handling
   1508 #
   1509 if(_curl_ca_bundle_supported)
   1510   set(CURL_CA_BUNDLE "auto" CACHE
   1511     STRING "Path to the CA bundle. Set 'none' to disable or 'auto' for auto-detection. Defaults to 'auto'.")
   1512   set(CURL_CA_FALLBACK OFF CACHE
   1513     BOOL "Use built-in CA store of TLS backend. Defaults to OFF")
   1514   set(CURL_CA_PATH "auto" CACHE
   1515     STRING "Location of default CA path. Set 'none' to disable or 'auto' for auto-detection. Defaults to 'auto'.")
   1516   set(CURL_CA_EMBED "" CACHE
   1517     STRING "Path to the CA bundle to embed in the curl tool.")
   1518 
   1519   if(CURL_CA_BUNDLE STREQUAL "")
   1520     message(FATAL_ERROR "Invalid value of CURL_CA_BUNDLE. Use 'none', 'auto' or file path.")
   1521   elseif(CURL_CA_BUNDLE STREQUAL "none")
   1522     unset(CURL_CA_BUNDLE CACHE)
   1523   elseif(CURL_CA_BUNDLE STREQUAL "auto")
   1524     unset(CURL_CA_BUNDLE CACHE)
   1525     if(NOT CMAKE_CROSSCOMPILING AND NOT WIN32)
   1526       set(_curl_ca_bundle_autodetect TRUE)
   1527     endif()
   1528   else()
   1529     set(CURL_CA_BUNDLE_SET TRUE)
   1530   endif()
   1531   mark_as_advanced(CURL_CA_BUNDLE_SET)
   1532 
   1533   if(CURL_CA_PATH STREQUAL "")
   1534     message(FATAL_ERROR "Invalid value of CURL_CA_PATH. Use 'none', 'auto' or directory path.")
   1535   elseif(CURL_CA_PATH STREQUAL "none")
   1536     unset(CURL_CA_PATH CACHE)
   1537   elseif(CURL_CA_PATH STREQUAL "auto")
   1538     unset(CURL_CA_PATH CACHE)
   1539     if(NOT CMAKE_CROSSCOMPILING AND NOT WIN32)
   1540       set(_curl_ca_path_autodetect TRUE)
   1541     endif()
   1542   else()
   1543     set(CURL_CA_PATH_SET TRUE)
   1544   endif()
   1545   mark_as_advanced(CURL_CA_PATH_SET)
   1546 
   1547   if(CURL_CA_BUNDLE_SET AND _curl_ca_path_autodetect)
   1548     # Skip auto-detection of unset CA path because CA bundle is set explicitly
   1549   elseif(CURL_CA_PATH_SET AND _curl_ca_bundle_autodetect)
   1550     # Skip auto-detection of unset CA bundle because CA path is set explicitly
   1551   elseif(_curl_ca_bundle_autodetect OR _curl_ca_path_autodetect)
   1552     # First try auto-detecting a CA bundle, then a CA path
   1553 
   1554     if(_curl_ca_bundle_autodetect)
   1555       foreach(_search_ca_bundle_path IN ITEMS
   1556           "/etc/ssl/certs/ca-certificates.crt"
   1557           "/etc/pki/tls/certs/ca-bundle.crt"
   1558           "/usr/share/ssl/certs/ca-bundle.crt"
   1559           "/usr/local/share/certs/ca-root-nss.crt"
   1560           "/etc/ssl/cert.pem")
   1561         if(EXISTS "${_search_ca_bundle_path}")
   1562           message(STATUS "Found CA bundle: ${_search_ca_bundle_path}")
   1563           set(CURL_CA_BUNDLE "${_search_ca_bundle_path}" CACHE
   1564             STRING "Path to the CA bundle. Set 'none' to disable or 'auto' for auto-detection. Defaults to 'auto'.")
   1565           set(CURL_CA_BUNDLE_SET TRUE CACHE BOOL "Path to the CA bundle has been set")
   1566           break()
   1567         endif()
   1568       endforeach()
   1569     endif()
   1570 
   1571     if(_curl_ca_path_autodetect AND NOT CURL_CA_PATH_SET)
   1572       set(_search_ca_path "/etc/ssl/certs")
   1573       file(GLOB _curl_ca_files_found "${_search_ca_path}/[0-9a-f][0-9a-f][0-9a-f][0-9a-f][0-9a-f][0-9a-f][0-9a-f][0-9a-f].0")
   1574       if(_curl_ca_files_found)
   1575         unset(_curl_ca_files_found)
   1576         message(STATUS "Found CA path: ${_search_ca_path}")
   1577         set(CURL_CA_PATH "${_search_ca_path}" CACHE
   1578           STRING "Location of default CA path. Set 'none' to disable or 'auto' for auto-detection. Defaults to 'auto'.")
   1579         set(CURL_CA_PATH_SET TRUE CACHE BOOL "Path to the CA bundle has been set")
   1580       endif()
   1581     endif()
   1582   endif()
   1583 
   1584   set(CURL_CA_EMBED_SET FALSE)
   1585   if(BUILD_CURL_EXE AND NOT CURL_CA_EMBED STREQUAL "")
   1586     if(EXISTS "${CURL_CA_EMBED}")
   1587       set(CURL_CA_EMBED_SET TRUE)
   1588       message(STATUS "Found CA bundle to embed: ${CURL_CA_EMBED}")
   1589     else()
   1590       message(FATAL_ERROR "CA bundle to embed is missing: '${CURL_CA_EMBED}'")
   1591     endif()
   1592   endif()
   1593 endif()
   1594 
   1595 if(WIN32)
   1596   option(CURL_DISABLE_CA_SEARCH "Disable unsafe CA bundle search in PATH on Windows" OFF)
   1597   option(CURL_CA_SEARCH_SAFE "Enable safe CA bundle search (within the curl tool directory) on Windows" OFF)
   1598 endif()
   1599 
   1600 # Check for header files
   1601 if(WIN32)
   1602   list(APPEND CURL_INCLUDES "winsock2.h")
   1603   list(APPEND CURL_INCLUDES "ws2tcpip.h")
   1604 
   1605   if(HAVE_WIN32_WINNT AND HAVE_WIN32_WINNT LESS 0x0501 AND NOT WINCE)
   1606     # Windows XP is required for freeaddrinfo, getaddrinfo
   1607     message(FATAL_ERROR "Building for Windows XP or newer is required.")
   1608   endif()
   1609 
   1610   # Pre-fill detection results based on target OS version
   1611   if(HAVE_WIN32_WINNT AND HAVE_WIN32_WINNT GREATER_EQUAL 0x0600 AND  # Windows Vista or newer
   1612      (MINGW OR MSVC) AND
   1613      NOT WINCE AND NOT WINDOWS_STORE)
   1614     set(HAVE_IF_NAMETOINDEX 1)
   1615   else()
   1616     set(HAVE_IF_NAMETOINDEX 0)
   1617   endif()
   1618   unset(HAVE_IF_NAMETOINDEX CACHE)
   1619 endif()
   1620 
   1621 if(NOT WIN32)
   1622   list(APPEND CURL_INCLUDES "sys/socket.h")
   1623 endif()
   1624 if(NOT WIN32 OR MINGW)
   1625   list(APPEND CURL_INCLUDES "sys/time.h")
   1626 endif()
   1627 
   1628 # Detect headers
   1629 
   1630 # Use check_include_file_concat_curl() for headers required by subsequent
   1631 # check_include_file_concat_curl() or check_symbol_exists() detections.
   1632 # Order for these is significant.
   1633 check_include_file("sys/eventfd.h"    HAVE_SYS_EVENTFD_H)
   1634 check_include_file("sys/filio.h"      HAVE_SYS_FILIO_H)
   1635 check_include_file("sys/ioctl.h"      HAVE_SYS_IOCTL_H)
   1636 check_include_file("sys/param.h"      HAVE_SYS_PARAM_H)
   1637 check_include_file("sys/poll.h"       HAVE_SYS_POLL_H)
   1638 check_include_file("sys/resource.h"   HAVE_SYS_RESOURCE_H)
   1639 check_include_file_concat_curl("sys/select.h"     HAVE_SYS_SELECT_H)
   1640 check_include_file("sys/sockio.h"     HAVE_SYS_SOCKIO_H)
   1641 check_include_file_concat_curl("sys/types.h"      HAVE_SYS_TYPES_H)
   1642 check_include_file("sys/un.h"         HAVE_SYS_UN_H)
   1643 check_include_file_concat_curl("sys/utime.h"      HAVE_SYS_UTIME_H)  # sys/types.h (AmigaOS)
   1644 
   1645 check_include_file_concat_curl("arpa/inet.h"      HAVE_ARPA_INET_H)
   1646 check_include_file("dirent.h"         HAVE_DIRENT_H)
   1647 check_include_file("fcntl.h"          HAVE_FCNTL_H)
   1648 check_include_file_concat_curl("ifaddrs.h"        HAVE_IFADDRS_H)
   1649 check_include_file("io.h"             HAVE_IO_H)
   1650 check_include_file_concat_curl("libgen.h"         HAVE_LIBGEN_H)
   1651 check_include_file("linux/tcp.h"      HAVE_LINUX_TCP_H)
   1652 check_include_file("locale.h"         HAVE_LOCALE_H)
   1653 check_include_file_concat_curl("net/if.h"         HAVE_NET_IF_H)  # sys/select.h (e.g. MS-DOS/Watt-32)
   1654 check_include_file_concat_curl("netdb.h"          HAVE_NETDB_H)
   1655 check_include_file_concat_curl("netinet/in.h"     HAVE_NETINET_IN_H)
   1656 check_include_file("netinet/in6.h"    HAVE_NETINET_IN6_H)
   1657 check_include_file_concat_curl("netinet/tcp.h"    HAVE_NETINET_TCP_H)  # sys/types.h (e.g. Cygwin) netinet/in.h
   1658 check_include_file_concat_curl("netinet/udp.h"    HAVE_NETINET_UDP_H)  # sys/types.h (e.g. Cygwin)
   1659 check_include_file("poll.h"           HAVE_POLL_H)
   1660 check_include_file("pwd.h"            HAVE_PWD_H)
   1661 check_include_file("stdatomic.h"      HAVE_STDATOMIC_H)
   1662 check_include_file("stdbool.h"        HAVE_STDBOOL_H)
   1663 check_include_file("stdint.h"         HAVE_STDINT_H)
   1664 check_include_file("strings.h"        HAVE_STRINGS_H)
   1665 check_include_file("stropts.h"        HAVE_STROPTS_H)
   1666 check_include_file("termio.h"         HAVE_TERMIO_H)
   1667 check_include_file("termios.h"        HAVE_TERMIOS_H)
   1668 check_include_file_concat_curl("unistd.h"         HAVE_UNISTD_H)
   1669 check_include_file("utime.h"          HAVE_UTIME_H)
   1670 
   1671 if(AMIGA)
   1672   check_include_file_concat_curl("proto/bsdsocket.h" HAVE_PROTO_BSDSOCKET_H)
   1673 endif()
   1674 
   1675 # Pass these detection results to curl_internal_test() for use in CurlTests.c
   1676 # Add here all feature flags referenced from CurlTests.c
   1677 foreach(_variable IN ITEMS
   1678     HAVE_STDATOMIC_H
   1679     HAVE_STDBOOL_H
   1680     HAVE_STROPTS_H
   1681     HAVE_SYS_IOCTL_H
   1682     HAVE_SYS_TYPES_H
   1683     HAVE_UNISTD_H
   1684 )
   1685   if(${_variable})
   1686     string(APPEND CURL_TEST_DEFINES " -D${_variable}")
   1687   endif()
   1688 endforeach()
   1689 
   1690 check_type_size("size_t"      SIZEOF_SIZE_T)
   1691 check_type_size("ssize_t"     SIZEOF_SSIZE_T)
   1692 check_type_size("long long"   SIZEOF_LONG_LONG)
   1693 check_type_size("long"        SIZEOF_LONG)
   1694 check_type_size("int"         SIZEOF_INT)
   1695 check_type_size("__int64"     SIZEOF___INT64)
   1696 check_type_size("time_t"      SIZEOF_TIME_T)
   1697 check_type_size("suseconds_t" SIZEOF_SUSECONDS_T)
   1698 if(NOT HAVE_SIZEOF_SSIZE_T)
   1699   if(SIZEOF_LONG EQUAL SIZEOF_SIZE_T)
   1700     set(ssize_t "long")
   1701   endif()
   1702   if(NOT ssize_t AND SIZEOF___INT64 EQUAL SIZEOF_SIZE_T)
   1703     set(ssize_t "__int64")
   1704   endif()
   1705 endif()
   1706 # off_t is sized later, after the HAVE_FILE_OFFSET_BITS test
   1707 
   1708 if(SIZEOF_LONG_LONG)
   1709   set(HAVE_LONGLONG 1)
   1710 endif()
   1711 if(SIZEOF_SUSECONDS_T)
   1712   set(HAVE_SUSECONDS_T 1)
   1713 endif()
   1714 
   1715 # Check for some functions that are used
   1716 
   1717 # Apply to all feature checks
   1718 if(WIN32)
   1719   list(APPEND CMAKE_REQUIRED_LIBRARIES "${_win32_winsock}")
   1720   if(NOT WINCE AND NOT WINDOWS_STORE)
   1721     list(APPEND CMAKE_REQUIRED_LIBRARIES "iphlpapi")
   1722   endif()
   1723 elseif(HAVE_LIBSOCKET)
   1724   list(APPEND CMAKE_REQUIRED_LIBRARIES "socket")
   1725 elseif(DOS)
   1726   list(APPEND CMAKE_REQUIRED_LIBRARIES "${WATT_ROOT}/lib/libwatt.a")
   1727 endif()
   1728 
   1729 check_function_exists("accept4"       HAVE_ACCEPT4)
   1730 check_function_exists("fnmatch"       HAVE_FNMATCH)
   1731 check_symbol_exists("basename"        "${CURL_INCLUDES};string.h" HAVE_BASENAME)  # libgen.h unistd.h
   1732 check_symbol_exists("opendir"         "dirent.h" HAVE_OPENDIR)
   1733 check_function_exists("poll"          HAVE_POLL)  # poll.h
   1734 check_symbol_exists("socket"          "${CURL_INCLUDES}" HAVE_SOCKET)  # winsock2.h sys/socket.h
   1735 check_symbol_exists("socketpair"      "${CURL_INCLUDES}" HAVE_SOCKETPAIR)  # sys/socket.h
   1736 check_symbol_exists("recv"            "${CURL_INCLUDES}" HAVE_RECV)  # proto/bsdsocket.h sys/types.h sys/socket.h
   1737 check_symbol_exists("send"            "${CURL_INCLUDES}" HAVE_SEND)  # proto/bsdsocket.h sys/types.h sys/socket.h
   1738 check_function_exists("sendmsg"       HAVE_SENDMSG)
   1739 check_function_exists("sendmmsg"      HAVE_SENDMMSG)
   1740 check_symbol_exists("select"          "${CURL_INCLUDES}" HAVE_SELECT)  # proto/bsdsocket.h sys/select.h sys/socket.h
   1741 check_symbol_exists("strdup"          "string.h" HAVE_STRDUP)
   1742 check_symbol_exists("memrchr"         "string.h" HAVE_MEMRCHR)
   1743 check_symbol_exists("alarm"           "unistd.h" HAVE_ALARM)
   1744 check_symbol_exists("fcntl"           "fcntl.h" HAVE_FCNTL)
   1745 check_function_exists("getppid"       HAVE_GETPPID)
   1746 check_function_exists("utimes"        HAVE_UTIMES)
   1747 
   1748 check_function_exists("gettimeofday"  HAVE_GETTIMEOFDAY)  # sys/time.h
   1749 check_symbol_exists("closesocket"     "${CURL_INCLUDES}" HAVE_CLOSESOCKET)  # winsock2.h
   1750 check_symbol_exists("sigsetjmp"       "setjmp.h" HAVE_SIGSETJMP)
   1751 check_function_exists("getpass_r"     HAVE_GETPASS_R)
   1752 check_function_exists("getpwuid"      HAVE_GETPWUID)
   1753 check_function_exists("getpwuid_r"    HAVE_GETPWUID_R)
   1754 check_function_exists("geteuid"       HAVE_GETEUID)
   1755 check_function_exists("utime"         HAVE_UTIME)
   1756 check_symbol_exists("gmtime_r"        "stdlib.h;time.h" HAVE_GMTIME_R)
   1757 
   1758 check_symbol_exists("gethostbyname_r" "netdb.h" HAVE_GETHOSTBYNAME_R)
   1759 check_symbol_exists("gethostname"     "${CURL_INCLUDES}" HAVE_GETHOSTNAME)  # winsock2.h unistd.h proto/bsdsocket.h
   1760 
   1761 check_symbol_exists("signal"          "signal.h" HAVE_SIGNAL)
   1762 check_symbol_exists("strerror_r"      "stdlib.h;string.h" HAVE_STRERROR_R)
   1763 check_symbol_exists("sigaction"       "signal.h" HAVE_SIGACTION)
   1764 check_symbol_exists("siginterrupt"    "signal.h" HAVE_SIGINTERRUPT)
   1765 check_symbol_exists("getaddrinfo"     "${CURL_INCLUDES};stdlib.h;string.h" HAVE_GETADDRINFO)  # ws2tcpip.h sys/socket.h netdb.h
   1766 check_symbol_exists("getifaddrs"      "${CURL_INCLUDES};stdlib.h" HAVE_GETIFADDRS)  # ifaddrs.h
   1767 check_symbol_exists("freeaddrinfo"    "${CURL_INCLUDES}" HAVE_FREEADDRINFO)  # ws2tcpip.h sys/socket.h netdb.h
   1768 check_function_exists("pipe"          HAVE_PIPE)
   1769 check_function_exists("pipe2"         HAVE_PIPE2)
   1770 check_function_exists("eventfd"       HAVE_EVENTFD)
   1771 check_symbol_exists("ftruncate"       "unistd.h" HAVE_FTRUNCATE)
   1772 check_symbol_exists("getpeername"     "${CURL_INCLUDES}" HAVE_GETPEERNAME)  # winsock2.h unistd.h proto/bsdsocket.h
   1773 check_symbol_exists("getsockname"     "${CURL_INCLUDES}" HAVE_GETSOCKNAME)  # winsock2.h unistd.h proto/bsdsocket.h
   1774 check_function_exists("if_nametoindex"  HAVE_IF_NAMETOINDEX)  # iphlpapi.h (Windows Vista+ non-UWP), net/if.h
   1775 check_function_exists("getrlimit"       HAVE_GETRLIMIT)
   1776 check_function_exists("setlocale"       HAVE_SETLOCALE)
   1777 check_function_exists("setrlimit"       HAVE_SETRLIMIT)
   1778 
   1779 if(NOT WIN32)
   1780   check_function_exists("realpath"        HAVE_REALPATH)
   1781   check_function_exists("sched_yield"     HAVE_SCHED_YIELD)
   1782   check_symbol_exists("strcasecmp"      "string.h" HAVE_STRCASECMP)
   1783   check_symbol_exists("stricmp"         "string.h" HAVE_STRICMP)
   1784   check_symbol_exists("strcmpi"         "string.h" HAVE_STRCMPI)
   1785 endif()
   1786 
   1787 if(NOT MINGW32CE)  # Avoid false detections
   1788   check_function_exists("setmode" HAVE_SETMODE)
   1789   if(WIN32 OR CYGWIN)
   1790     check_function_exists("_setmode" HAVE__SETMODE)
   1791   endif()
   1792 endif()
   1793 
   1794 if(AMIGA)
   1795   check_symbol_exists("CloseSocket" "${CURL_INCLUDES}" HAVE_CLOSESOCKET_CAMEL)  # sys/socket.h proto/bsdsocket.h
   1796 endif()
   1797 
   1798 if(NOT _ssl_enabled)
   1799   check_symbol_exists("arc4random" "${CURL_INCLUDES};stdlib.h" HAVE_ARC4RANDOM)
   1800 endif()
   1801 
   1802 if(NOT MSVC)
   1803   check_function_exists("snprintf" HAVE_SNPRINTF)  # to match detection method in ./configure
   1804 elseif(MSVC_VERSION GREATER_EQUAL 1900)  # Earlier MSVC compilers had faulty snprintf implementations
   1805   check_symbol_exists("snprintf" "stdio.h" HAVE_SNPRINTF)  # snprintf may be a compatibility macro, not an exported function
   1806 endif()
   1807 if(APPLE)
   1808   check_function_exists("mach_absolute_time" HAVE_MACH_ABSOLUTE_TIME)
   1809 endif()
   1810 if(NOT WIN32)
   1811   check_symbol_exists("inet_ntop" "${CURL_INCLUDES};stdlib.h;string.h" HAVE_INET_NTOP)  # arpa/inet.h netinet/in.h sys/socket.h
   1812   check_symbol_exists("inet_pton" "${CURL_INCLUDES};stdlib.h;string.h" HAVE_INET_PTON)  # arpa/inet.h netinet/in.h sys/socket.h
   1813 endif()
   1814 
   1815 check_symbol_exists("fsetxattr" "sys/xattr.h" HAVE_FSETXATTR)
   1816 if(HAVE_FSETXATTR)
   1817   curl_internal_test(HAVE_FSETXATTR_5)
   1818   curl_internal_test(HAVE_FSETXATTR_6)
   1819 endif()
   1820 
   1821 cmake_push_check_state()
   1822 if(WIN32)
   1823   list(APPEND CMAKE_EXTRA_INCLUDE_FILES "winsock2.h")
   1824   check_type_size("ADDRESS_FAMILY" SIZEOF_ADDRESS_FAMILY)
   1825   set(HAVE_ADDRESS_FAMILY ${HAVE_SIZEOF_ADDRESS_FAMILY})
   1826 else()
   1827   list(APPEND CMAKE_EXTRA_INCLUDE_FILES "sys/socket.h")
   1828   check_type_size("sa_family_t" SIZEOF_SA_FAMILY_T)
   1829   set(HAVE_SA_FAMILY_T ${HAVE_SIZEOF_SA_FAMILY_T})
   1830 endif()
   1831 cmake_pop_check_state()
   1832 
   1833 # Do curl specific tests
   1834 foreach(_curl_test IN ITEMS
   1835     HAVE_FCNTL_O_NONBLOCK
   1836     HAVE_IOCTLSOCKET
   1837     HAVE_IOCTLSOCKET_CAMEL
   1838     HAVE_IOCTLSOCKET_CAMEL_FIONBIO
   1839     HAVE_IOCTLSOCKET_FIONBIO
   1840     HAVE_IOCTL_FIONBIO
   1841     HAVE_IOCTL_SIOCGIFADDR
   1842     HAVE_SETSOCKOPT_SO_NONBLOCK
   1843     HAVE_GETHOSTBYNAME_R_3
   1844     HAVE_GETHOSTBYNAME_R_5
   1845     HAVE_GETHOSTBYNAME_R_6
   1846     HAVE_BOOL_T
   1847     STDC_HEADERS
   1848     HAVE_ATOMIC
   1849 )
   1850   curl_internal_test(${_curl_test})
   1851 endforeach()
   1852 
   1853 # Check for reentrant
   1854 cmake_push_check_state()
   1855 list(APPEND CMAKE_REQUIRED_DEFINITIONS "-D_REENTRANT")
   1856 foreach(_curl_test IN ITEMS
   1857     HAVE_GETHOSTBYNAME_R_3
   1858     HAVE_GETHOSTBYNAME_R_5
   1859     HAVE_GETHOSTBYNAME_R_6)
   1860   curl_internal_test(${_curl_test}_REENTRANT)
   1861   if(NOT ${_curl_test} AND ${_curl_test}_REENTRANT)
   1862     set(NEED_REENTRANT 1)
   1863   endif()
   1864 endforeach()
   1865 cmake_pop_check_state()
   1866 
   1867 if(NEED_REENTRANT)
   1868   foreach(_curl_test IN ITEMS
   1869       HAVE_GETHOSTBYNAME_R_3
   1870       HAVE_GETHOSTBYNAME_R_5
   1871       HAVE_GETHOSTBYNAME_R_6)
   1872     set(${_curl_test} 0)
   1873     if(${_curl_test}_REENTRANT)
   1874       set(${_curl_test} 1)
   1875     endif()
   1876   endforeach()
   1877 endif()
   1878 
   1879 cmake_push_check_state()
   1880 list(APPEND CMAKE_REQUIRED_DEFINITIONS "-D_FILE_OFFSET_BITS=64")
   1881 curl_internal_test(HAVE_FILE_OFFSET_BITS)
   1882 cmake_pop_check_state()
   1883 
   1884 cmake_push_check_state()
   1885 if(HAVE_FILE_OFFSET_BITS)
   1886   set(_FILE_OFFSET_BITS 64)
   1887   list(APPEND CMAKE_REQUIRED_DEFINITIONS "-D_FILE_OFFSET_BITS=64")
   1888 endif()
   1889 check_type_size("off_t" SIZEOF_OFF_T)
   1890 
   1891 if(NOT WIN32)
   1892   # fseeko may not exist with _FILE_OFFSET_BITS=64 but can exist with
   1893   # _FILE_OFFSET_BITS unset or 32 (e.g. Android ARMv7 with NDK 26b and API level < 24)
   1894   # so we need to test fseeko after testing for _FILE_OFFSET_BITS
   1895   check_symbol_exists("fseeko" "${CURL_INCLUDES};stdio.h" HAVE_FSEEKO)
   1896 
   1897   if(HAVE_FSEEKO)
   1898     set(HAVE_DECL_FSEEKO 1)
   1899   endif()
   1900 endif()
   1901 
   1902 # Include this header to get the type
   1903 cmake_push_check_state()
   1904 list(APPEND CMAKE_REQUIRED_INCLUDES "${PROJECT_SOURCE_DIR}/include")
   1905 list(APPEND CMAKE_EXTRA_INCLUDE_FILES "curl/system.h")
   1906 check_type_size("curl_off_t" SIZEOF_CURL_OFF_T)
   1907 list(APPEND CMAKE_EXTRA_INCLUDE_FILES "curl/curl.h")
   1908 check_type_size("curl_socket_t" SIZEOF_CURL_SOCKET_T)
   1909 cmake_pop_check_state()  # pop curl system headers
   1910 cmake_pop_check_state()  # pop -D_FILE_OFFSET_BITS=64
   1911 
   1912 if(NOT WIN32 AND NOT CMAKE_CROSSCOMPILING)
   1913   # On non-Windows and not cross-compiling, check for writable argv[]
   1914   include(CheckCSourceRuns)
   1915   check_c_source_runs("
   1916     int main(int argc, char **argv)
   1917     {
   1918       (void)argc;
   1919       argv[0][0] = ' ';
   1920       return (argv[0][0] == ' ')?0:1;
   1921     }" HAVE_WRITABLE_ARGV)
   1922 endif()
   1923 
   1924 if(NOT CMAKE_CROSSCOMPILING)
   1925   include(CheckCSourceRuns)
   1926   check_c_source_runs("
   1927     #include <time.h>
   1928     int main(void) {
   1929       time_t t = -1;
   1930       return t < 0;
   1931     }" HAVE_TIME_T_UNSIGNED)
   1932 endif()
   1933 
   1934 curl_internal_test(HAVE_GLIBC_STRERROR_R)
   1935 curl_internal_test(HAVE_POSIX_STRERROR_R)
   1936 
   1937 if(NOT WIN32)
   1938   curl_internal_test(HAVE_CLOCK_GETTIME_MONOTONIC)  # Check clock_gettime(CLOCK_MONOTONIC, x) support
   1939 endif()
   1940 
   1941 if(APPLE)
   1942   curl_internal_test(HAVE_BUILTIN_AVAILABLE)  # Check compiler support of __builtin_available()
   1943 endif()
   1944 
   1945 # Some other minor tests
   1946 
   1947 if(_cmake_try_compile_target_type_save)
   1948   set(CMAKE_TRY_COMPILE_TARGET_TYPE ${_cmake_try_compile_target_type_save})
   1949   unset(_cmake_try_compile_target_type_save)
   1950 endif()
   1951 
   1952 include(CMake/OtherTests.cmake)
   1953 
   1954 set_property(DIRECTORY APPEND PROPERTY COMPILE_DEFINITIONS "HAVE_CONFIG_H")
   1955 
   1956 if(WIN32)
   1957   list(APPEND CURL_LIBS "${_win32_winsock}")
   1958   if(NOT WINCE AND NOT WINDOWS_STORE)
   1959     list(APPEND CURL_LIBS "iphlpapi")
   1960   endif()
   1961   if(NOT WINCE)
   1962     list(APPEND CURL_LIBS "bcrypt")
   1963   endif()
   1964 
   1965   if(NOT WINCE)
   1966     set(USE_WIN32_LARGE_FILES ON)
   1967   endif()
   1968 
   1969   # We use crypto functions that are not available for UWP apps
   1970   if(NOT WINDOWS_STORE)
   1971     set(USE_WIN32_CRYPTO ON)
   1972   endif()
   1973 
   1974   # Link required libraries for USE_WIN32_CRYPTO or USE_SCHANNEL
   1975   if(USE_WIN32_CRYPTO OR USE_SCHANNEL)
   1976     if(NOT WINCE)
   1977       list(APPEND CURL_LIBS "advapi32")
   1978     endif()
   1979     list(APPEND CURL_LIBS "${_win32_crypt32}")
   1980   endif()
   1981   if(USE_WINDOWS_SSPI)
   1982     list(APPEND CURL_LIBS "${_win32_secur32}")
   1983   endif()
   1984 endif()
   1985 
   1986 if(CMAKE_C_COMPILER_ID STREQUAL "MSVC")  # MSVC but exclude clang-cl
   1987   set_property(DIRECTORY APPEND PROPERTY COMPILE_OPTIONS "-MP")  # Parallel compilation
   1988 endif()
   1989 
   1990 if(CURL_LTO)
   1991   if(CMAKE_VERSION VERSION_LESS 3.9)
   1992     message(FATAL_ERROR "LTO has been requested, but your cmake version ${CMAKE_VERSION} is to old. You need at least 3.9")
   1993   endif()
   1994 
   1995   cmake_policy(SET CMP0069 NEW)
   1996 
   1997   include(CheckIPOSupported)
   1998   check_ipo_supported(RESULT CURL_HAS_LTO OUTPUT _lto_error LANGUAGES C)
   1999   if(CURL_HAS_LTO)
   2000     message(STATUS "LTO supported and enabled")
   2001   else()
   2002     message(FATAL_ERROR "LTO has been requested, but the compiler does not support it\n${_lto_error}")
   2003   endif()
   2004 endif()
   2005 
   2006 
   2007 # Ugly (but functional) way to include "Makefile.inc" by transforming it
   2008 # (= regenerate it).
   2009 function(curl_transform_makefile_inc _input_file _output_file)
   2010   file(READ ${_input_file} _makefile_inc_text)
   2011   # cmake-lint: disable=W0106
   2012   string(REPLACE "$(top_srcdir)"   "\${PROJECT_SOURCE_DIR}" _makefile_inc_text ${_makefile_inc_text})
   2013   string(REPLACE "$(top_builddir)" "\${PROJECT_BINARY_DIR}" _makefile_inc_text ${_makefile_inc_text})
   2014 
   2015   string(REGEX REPLACE "\\\\\n" "!^!^!" _makefile_inc_text ${_makefile_inc_text})
   2016   string(REGEX REPLACE "([a-zA-Z_][a-zA-Z0-9_]*)[\t ]*=[\t ]*([^\n]*)" "set(\\1 \\2)" _makefile_inc_text ${_makefile_inc_text})
   2017   string(REPLACE "!^!^!" "\n" _makefile_inc_text ${_makefile_inc_text})
   2018 
   2019   # Replace $() with ${}
   2020   string(REGEX REPLACE "\\$\\(([a-zA-Z_][a-zA-Z0-9_]*)\\)" "\${\\1}" _makefile_inc_text ${_makefile_inc_text})
   2021   # Replace @@ with ${}, even if that may not be read by CMake scripts.
   2022   string(REGEX REPLACE "@([a-zA-Z_][a-zA-Z0-9_]*)@" "\${\\1}" _makefile_inc_text ${_makefile_inc_text})
   2023 
   2024   file(WRITE ${_output_file} ${_makefile_inc_text})
   2025   set_property(DIRECTORY APPEND PROPERTY CMAKE_CONFIGURE_DEPENDS "${_input_file}")
   2026 endfunction()
   2027 
   2028 include(GNUInstallDirs)
   2029 
   2030 set(_install_cmake_dir "${CMAKE_INSTALL_LIBDIR}/cmake/${PROJECT_NAME}")
   2031 set(TARGETS_EXPORT_NAME "${PROJECT_NAME}Targets")
   2032 set(_generated_dir "${CMAKE_CURRENT_BINARY_DIR}/generated")
   2033 set(_project_config "${_generated_dir}/${PROJECT_NAME}Config.cmake")
   2034 set(_version_config "${_generated_dir}/${PROJECT_NAME}ConfigVersion.cmake")
   2035 
   2036 option(BUILD_TESTING "Build tests" ON)
   2037 if(BUILD_TESTING AND PERL_FOUND)
   2038   set(CURL_BUILD_TESTING ON)
   2039 else()
   2040   set(CURL_BUILD_TESTING OFF)
   2041 endif()
   2042 
   2043 if(HAVE_MANUAL_TOOLS)
   2044   set(CURL_MANPAGE "${PROJECT_BINARY_DIR}/docs/cmdline-opts/curl.1")
   2045   set(CURL_ASCIIPAGE "${PROJECT_BINARY_DIR}/docs/cmdline-opts/curl.txt")
   2046   add_subdirectory(docs)
   2047 endif()
   2048 
   2049 add_subdirectory(scripts)  # for shell completions
   2050 
   2051 list(REMOVE_DUPLICATES CURL_LIBDIRS)
   2052 
   2053 add_subdirectory(lib)
   2054 
   2055 if(BUILD_CURL_EXE)
   2056   add_subdirectory(src)
   2057 endif()
   2058 
   2059 option(BUILD_EXAMPLES "Build libcurl examples" ON)
   2060 if(BUILD_EXAMPLES)
   2061   add_subdirectory(docs/examples)
   2062 endif()
   2063 
   2064 if(CURL_BUILD_TESTING)
   2065   add_subdirectory(tests)
   2066 endif()
   2067 
   2068 # Helper to populate a list (_items) with a label when conditions
   2069 # (the remaining args) are satisfied
   2070 macro(curl_add_if _label)
   2071   # Needs to be a macro to allow this indirection
   2072   if(${ARGN})
   2073     set(_items ${_items} "${_label}")
   2074   endif()
   2075 endmacro()
   2076 
   2077 # NTLM support requires crypto functions from various SSL libs.
   2078 # These conditions must match those in lib/curl_setup.h.
   2079 if(NOT CURL_DISABLE_NTLM AND
   2080    (USE_OPENSSL OR
   2081     USE_MBEDTLS OR
   2082     USE_GNUTLS OR
   2083     USE_WIN32_CRYPTO OR
   2084     (USE_WOLFSSL AND HAVE_WOLFSSL_DES_ECB_ENCRYPT)))
   2085   set(_use_curl_ntlm_core ON)
   2086 endif()
   2087 
   2088 # Clear list and try to detect available protocols
   2089 set(_items "")
   2090 curl_add_if("HTTP"          NOT CURL_DISABLE_HTTP)
   2091 curl_add_if("HTTPS"         NOT CURL_DISABLE_HTTP AND _ssl_enabled)
   2092 curl_add_if("FTP"           NOT CURL_DISABLE_FTP)
   2093 curl_add_if("FTPS"          NOT CURL_DISABLE_FTP AND _ssl_enabled)
   2094 curl_add_if("FILE"          NOT CURL_DISABLE_FILE)
   2095 curl_add_if("TELNET"        NOT CURL_DISABLE_TELNET)
   2096 curl_add_if("LDAP"          NOT CURL_DISABLE_LDAP)
   2097 # CURL_DISABLE_LDAP implies CURL_DISABLE_LDAPS
   2098 curl_add_if("LDAPS"         NOT CURL_DISABLE_LDAPS AND
   2099                             ((USE_OPENLDAP AND _ssl_enabled) OR
   2100                             (NOT USE_OPENLDAP AND HAVE_LDAP_SSL)))
   2101 curl_add_if("DICT"          NOT CURL_DISABLE_DICT)
   2102 curl_add_if("TFTP"          NOT CURL_DISABLE_TFTP)
   2103 curl_add_if("GOPHER"        NOT CURL_DISABLE_GOPHER)
   2104 curl_add_if("GOPHERS"       NOT CURL_DISABLE_GOPHER AND _ssl_enabled)
   2105 curl_add_if("POP3"          NOT CURL_DISABLE_POP3)
   2106 curl_add_if("POP3S"         NOT CURL_DISABLE_POP3 AND _ssl_enabled)
   2107 curl_add_if("IMAP"          NOT CURL_DISABLE_IMAP)
   2108 curl_add_if("IMAPS"         NOT CURL_DISABLE_IMAP AND _ssl_enabled)
   2109 curl_add_if("SMB"           NOT CURL_DISABLE_SMB AND
   2110                             _use_curl_ntlm_core AND (SIZEOF_CURL_OFF_T GREATER 4))
   2111 curl_add_if("SMBS"          NOT CURL_DISABLE_SMB AND _ssl_enabled AND
   2112                             _use_curl_ntlm_core AND (SIZEOF_CURL_OFF_T GREATER 4))
   2113 curl_add_if("SMTP"          NOT CURL_DISABLE_SMTP)
   2114 curl_add_if("SMTPS"         NOT CURL_DISABLE_SMTP AND _ssl_enabled)
   2115 curl_add_if("SCP"           USE_LIBSSH2 OR USE_LIBSSH OR USE_WOLFSSH)
   2116 curl_add_if("SFTP"          USE_LIBSSH2 OR USE_LIBSSH OR USE_WOLFSSH)
   2117 curl_add_if("IPFS"          NOT CURL_DISABLE_IPFS)
   2118 curl_add_if("IPNS"          NOT CURL_DISABLE_IPFS)
   2119 curl_add_if("RTSP"          NOT CURL_DISABLE_RTSP)
   2120 curl_add_if("RTMP"          USE_LIBRTMP)
   2121 curl_add_if("MQTT"          NOT CURL_DISABLE_MQTT)
   2122 curl_add_if("WS"            NOT CURL_DISABLE_WEBSOCKETS)
   2123 curl_add_if("WSS"           NOT CURL_DISABLE_WEBSOCKETS AND _ssl_enabled)
   2124 if(_items)
   2125   list(SORT _items)
   2126 endif()
   2127 set(CURL_SUPPORTED_PROTOCOLS_LIST "${_items}")
   2128 string(REPLACE ";" " " SUPPORT_PROTOCOLS "${_items}")
   2129 string(TOLOWER "${SUPPORT_PROTOCOLS}" _support_protocols_lower)
   2130 message(STATUS "Protocols: ${_support_protocols_lower}")
   2131 
   2132 # Clear list and try to detect available features
   2133 set(_items "")
   2134 curl_add_if("SSL"           _ssl_enabled)
   2135 curl_add_if("IPv6"          USE_IPV6)
   2136 curl_add_if("UnixSockets"   USE_UNIX_SOCKETS)
   2137 curl_add_if("libz"          HAVE_LIBZ)
   2138 curl_add_if("brotli"        HAVE_BROTLI)
   2139 curl_add_if("gsasl"         USE_GSASL)
   2140 curl_add_if("zstd"          HAVE_ZSTD)
   2141 curl_add_if("AsynchDNS"     USE_ARES OR USE_THREADS_POSIX OR USE_THREADS_WIN32)
   2142 curl_add_if("asyn-rr"       USE_ARES AND ENABLE_THREADED_RESOLVER AND USE_HTTPSRR)
   2143 curl_add_if("IDN"           (HAVE_LIBIDN2 AND HAVE_IDN2_H) OR
   2144                             USE_WIN32_IDN OR
   2145                             USE_APPLE_IDN)
   2146 curl_add_if("Largefile"     (SIZEOF_CURL_OFF_T GREATER 4) AND
   2147                             ((SIZEOF_OFF_T GREATER 4) OR USE_WIN32_LARGE_FILES))
   2148 curl_add_if("SSPI"          USE_WINDOWS_SSPI)
   2149 curl_add_if("GSS-API"       HAVE_GSSAPI)
   2150 curl_add_if("alt-svc"       NOT CURL_DISABLE_ALTSVC)
   2151 curl_add_if("HSTS"          NOT CURL_DISABLE_HSTS)
   2152 curl_add_if("SPNEGO"        NOT CURL_DISABLE_NEGOTIATE_AUTH AND
   2153                             (HAVE_GSSAPI OR USE_WINDOWS_SSPI))
   2154 curl_add_if("Kerberos"      NOT CURL_DISABLE_KERBEROS_AUTH AND
   2155                             (HAVE_GSSAPI OR USE_WINDOWS_SSPI))
   2156 curl_add_if("NTLM"          NOT CURL_DISABLE_NTLM AND
   2157                             (_use_curl_ntlm_core OR USE_WINDOWS_SSPI))
   2158 curl_add_if("TLS-SRP"       USE_TLS_SRP)
   2159 curl_add_if("HTTP2"         USE_NGHTTP2)
   2160 curl_add_if("HTTP3"         USE_NGTCP2 OR USE_QUICHE OR USE_MSH3 OR USE_OPENSSL_QUIC)
   2161 curl_add_if("MultiSSL"      CURL_WITH_MULTI_SSL)
   2162 curl_add_if("HTTPS-proxy"   NOT CURL_DISABLE_PROXY AND _ssl_enabled AND (USE_OPENSSL OR USE_GNUTLS
   2163                             OR USE_SCHANNEL OR USE_RUSTLS OR USE_MBEDTLS OR
   2164                             (USE_WOLFSSL AND HAVE_WOLFSSL_BIO_NEW)))
   2165 curl_add_if("Unicode"       ENABLE_UNICODE)
   2166 curl_add_if("threadsafe"    HAVE_ATOMIC OR
   2167                             (USE_THREADS_POSIX AND HAVE_PTHREAD_H) OR
   2168                             (WIN32 AND HAVE_WIN32_WINNT GREATER_EQUAL 0x0600))
   2169 curl_add_if("Debug"         ENABLE_DEBUG)
   2170 curl_add_if("TrackMemory"   ENABLE_CURLDEBUG)
   2171 curl_add_if("ECH"           _ssl_enabled AND HAVE_ECH)
   2172 curl_add_if("HTTPSRR"       _ssl_enabled AND USE_HTTPSRR)
   2173 curl_add_if("PSL"           USE_LIBPSL)
   2174 curl_add_if("CAcert"        CURL_CA_EMBED_SET)
   2175 curl_add_if("SSLS-EXPORT"   _ssl_enabled AND USE_SSLS_EXPORT)
   2176 if(_items)
   2177   if(CMAKE_VERSION VERSION_GREATER_EQUAL 3.13)
   2178     list(SORT _items CASE INSENSITIVE)
   2179   else()
   2180     list(SORT _items)
   2181   endif()
   2182 endif()
   2183 set(CURL_SUPPORTED_FEATURES_LIST "${_items}")
   2184 string(REPLACE ";" " " SUPPORT_FEATURES "${_items}")
   2185 message(STATUS "Features: ${SUPPORT_FEATURES}")
   2186 
   2187 # Clear list and collect SSL backends
   2188 set(_items "")
   2189 curl_add_if("Schannel"         _ssl_enabled AND USE_SCHANNEL)
   2190 curl_add_if("${_openssl}"      _ssl_enabled AND USE_OPENSSL AND OPENSSL_VERSION VERSION_LESS 3.0.0)
   2191 curl_add_if("${_openssl} v3+"  _ssl_enabled AND USE_OPENSSL AND OPENSSL_VERSION VERSION_GREATER_EQUAL 3.0.0)
   2192 curl_add_if("mbedTLS"          _ssl_enabled AND USE_MBEDTLS)
   2193 curl_add_if("wolfSSL"          _ssl_enabled AND USE_WOLFSSL)
   2194 curl_add_if("GnuTLS"           _ssl_enabled AND USE_GNUTLS)
   2195 curl_add_if("rustls"           _ssl_enabled AND USE_RUSTLS)
   2196 
   2197 if(_items)
   2198   if(CMAKE_VERSION VERSION_GREATER_EQUAL 3.13)
   2199     list(SORT _items CASE INSENSITIVE)
   2200   else()
   2201     list(SORT _items)
   2202   endif()
   2203 endif()
   2204 string(REPLACE ";" " " SSL_BACKENDS "${_items}")
   2205 message(STATUS "Enabled SSL backends: ${SSL_BACKENDS}")
   2206 if(CURL_DEFAULT_SSL_BACKEND)
   2207   message(STATUS "Default SSL backend: ${CURL_DEFAULT_SSL_BACKEND}")
   2208 endif()
   2209 
   2210 if(NOT CURL_DISABLE_INSTALL)
   2211 
   2212   # curl-config needs the following options to be set.
   2213   set(CC                      "${CMAKE_C_COMPILER}")
   2214   set(CONFIGURE_OPTIONS       "")
   2215   set(CURLVERSION             "${_curl_version}")
   2216   set(VERSIONNUM              "${_curl_version_num}")
   2217   set(prefix                  "${CMAKE_INSTALL_PREFIX}")
   2218   set(exec_prefix             "\${prefix}")
   2219   if(IS_ABSOLUTE ${CMAKE_INSTALL_INCLUDEDIR})
   2220     set(includedir            "${CMAKE_INSTALL_INCLUDEDIR}")
   2221   else()
   2222     set(includedir            "\${prefix}/${CMAKE_INSTALL_INCLUDEDIR}")
   2223   endif()
   2224   if(IS_ABSOLUTE ${CMAKE_INSTALL_LIBDIR})
   2225     set(libdir                "${CMAKE_INSTALL_LIBDIR}")
   2226   else()
   2227     set(libdir                "\${exec_prefix}/${CMAKE_INSTALL_LIBDIR}")
   2228   endif()
   2229   # "a" (Linux) or "lib" (Windows)
   2230   string(REPLACE "." "" libext "${CMAKE_STATIC_LIBRARY_SUFFIX}")
   2231 
   2232   set(_ldflags "")
   2233   set(LIBCURL_PC_LIBS_PRIVATE "")
   2234 
   2235   # Filter CMAKE_SHARED_LINKER_FLAGS for libs and libpaths
   2236   string(STRIP "${CMAKE_SHARED_LINKER_FLAGS}" _custom_ldflags)
   2237   string(REGEX REPLACE " +-([^ \\t;]*)" ";-\\1" _custom_ldflags "${_custom_ldflags}")
   2238 
   2239   set(_custom_libs "")
   2240   set(_custom_libdirs "")
   2241   foreach(_flag IN LISTS _custom_ldflags)
   2242     if(_flag MATCHES "^-l")
   2243       string(REGEX REPLACE "^-l" "" _flag "${_flag}")
   2244       list(APPEND _custom_libs "${_flag}")
   2245     elseif(_flag MATCHES "^-framework|^-F")
   2246       list(APPEND _custom_libs "${_flag}")
   2247     elseif(_flag MATCHES "^-L")
   2248       string(REGEX REPLACE "^-L" "" _flag "${_flag}")
   2249       list(APPEND _custom_libdirs "${_flag}")
   2250     elseif(_flag MATCHES "^--library-path=")
   2251       string(REGEX REPLACE "^--library-path=" "" _flag "${_flag}")
   2252       list(APPEND _custom_libdirs "${_flag}")
   2253     endif()
   2254   endforeach()
   2255 
   2256   # Avoid getting unnecessary -L options for known system directories.
   2257   set(_sys_libdirs "${CMAKE_C_IMPLICIT_LINK_DIRECTORIES}")
   2258   foreach(_libdir IN LISTS CMAKE_SYSTEM_PREFIX_PATH)
   2259     if(_libdir MATCHES "/$")
   2260       string(APPEND _libdir "lib")
   2261     else()
   2262       string(APPEND _libdir "/lib")
   2263     endif()
   2264     if(IS_DIRECTORY "${_libdir}")
   2265       list(APPEND _sys_libdirs "${_libdir}")
   2266     endif()
   2267     if(DEFINED CMAKE_LIBRARY_ARCHITECTURE)
   2268       string(APPEND _libdir "/${CMAKE_LIBRARY_ARCHITECTURE}")
   2269       if(IS_DIRECTORY "${_libdir}")
   2270         list(APPEND _sys_libdirs "${_libdir}")
   2271       endif()
   2272     endif()
   2273   endforeach()
   2274 
   2275   foreach(_libdir IN LISTS _custom_libdirs CURL_LIBDIRS)
   2276     if(CMAKE_VERSION VERSION_GREATER_EQUAL 3.20)
   2277       cmake_path(SET _libdir NORMALIZE "${_libdir}")
   2278     endif()
   2279     list(FIND _sys_libdirs "${_libdir}" _libdir_index)
   2280     if(_libdir_index LESS 0)
   2281       list(APPEND _ldflags "-L${_libdir}")
   2282     endif()
   2283   endforeach()
   2284 
   2285   set(_implicit_libs "")
   2286   if(NOT MINGW AND NOT UNIX)
   2287     set(_implicit_libs "${CMAKE_C_IMPLICIT_LINK_LIBRARIES}")
   2288   endif()
   2289 
   2290   foreach(_lib IN LISTS _implicit_libs _custom_libs CURL_LIBS)
   2291     if(TARGET "${_lib}")
   2292       set(_libname "${_lib}")
   2293       get_target_property(_imported "${_libname}" IMPORTED)
   2294       if(NOT _imported)
   2295         # Reading the LOCATION property on non-imported target will error out.
   2296         # Assume the user will not need this information in the .pc file.
   2297         continue()
   2298       endif()
   2299       get_target_property(_lib "${_libname}" LOCATION)
   2300       if(NOT _lib)
   2301         message(WARNING "Bad lib in library list: ${_libname}")
   2302         continue()
   2303       endif()
   2304     endif()
   2305     if(_lib MATCHES "^-")  # '-framework <name>'
   2306       list(APPEND _ldflags "${_lib}")
   2307     elseif(_lib MATCHES "/")
   2308       # This gets a bit more complex, because we want to specify the
   2309       # directory separately, and only once per directory
   2310       get_filename_component(_libdir ${_lib} DIRECTORY)
   2311       get_filename_component(_libname ${_lib} NAME_WE)
   2312       if(_libname MATCHES "^lib")
   2313         if(CMAKE_VERSION VERSION_GREATER_EQUAL 3.20)
   2314           cmake_path(SET _libdir NORMALIZE "${_libdir}")
   2315         endif()
   2316         list(FIND _sys_libdirs "${_libdir}" _libdir_index)
   2317         if(_libdir_index LESS 0)
   2318           list(APPEND _ldflags "-L${_libdir}")
   2319         endif()
   2320         string(REGEX REPLACE "^lib" "" _libname "${_libname}")
   2321         list(APPEND LIBCURL_PC_LIBS_PRIVATE "-l${_libname}")
   2322       else()
   2323         list(APPEND LIBCURL_PC_LIBS_PRIVATE "${_lib}")
   2324       endif()
   2325     else()
   2326       list(APPEND LIBCURL_PC_LIBS_PRIVATE "-l${_lib}")
   2327     endif()
   2328   endforeach()
   2329 
   2330   if(LIBCURL_PC_REQUIRES_PRIVATE)
   2331     string(REPLACE ";" "," LIBCURL_PC_REQUIRES_PRIVATE "${LIBCURL_PC_REQUIRES_PRIVATE}")
   2332   endif()
   2333   if(LIBCURL_PC_LIBS_PRIVATE)
   2334     string(REPLACE ";" " " LIBCURL_PC_LIBS_PRIVATE "${LIBCURL_PC_LIBS_PRIVATE}")
   2335   endif()
   2336   if(_ldflags)
   2337     list(REMOVE_DUPLICATES _ldflags)
   2338     string(REPLACE ";" " " _ldflags "${_ldflags}")
   2339     set(LIBCURL_PC_LDFLAGS_PRIVATE "${_ldflags}")
   2340     string(STRIP "${LIBCURL_PC_LDFLAGS_PRIVATE}" LIBCURL_PC_LDFLAGS_PRIVATE)
   2341   else()
   2342     set(LIBCURL_PC_LDFLAGS_PRIVATE "")
   2343   endif()
   2344   set(LIBCURL_PC_CFLAGS_PRIVATE "-DCURL_STATICLIB")
   2345 
   2346   # Merge pkg-config private fields into public ones when static-only
   2347   if(BUILD_SHARED_LIBS)
   2348     set(ENABLE_SHARED       "yes")
   2349     set(LIBCURL_PC_REQUIRES "")
   2350     set(LIBCURL_PC_LIBS     "")
   2351     set(LIBCURL_PC_CFLAGS   "")
   2352   else()
   2353     set(ENABLE_SHARED       "no")
   2354     set(LIBCURL_PC_REQUIRES "${LIBCURL_PC_REQUIRES_PRIVATE}")
   2355     set(LIBCURL_PC_LIBS     "${LIBCURL_PC_LIBS_PRIVATE}")
   2356     set(LIBCURL_PC_CFLAGS   "${LIBCURL_PC_CFLAGS_PRIVATE}")
   2357   endif()
   2358   if(BUILD_STATIC_LIBS)
   2359     set(ENABLE_STATIC       "yes")
   2360   else()
   2361     set(ENABLE_STATIC       "no")
   2362   endif()
   2363 
   2364   # Generate a "curl-config" matching this config.
   2365   # Consumed variables:
   2366   #   CC
   2367   #   CONFIGURE_OPTIONS
   2368   #   CURLVERSION
   2369   #   CURL_CA_BUNDLE
   2370   #   ENABLE_SHARED
   2371   #   ENABLE_STATIC
   2372   #   exec_prefix
   2373   #   includedir
   2374   #   LIBCURL_PC_CFLAGS
   2375   #   LIBCURL_PC_LDFLAGS_PRIVATE
   2376   #   LIBCURL_PC_LIBS_PRIVATE
   2377   #   libdir
   2378   #   libext
   2379   #   prefix
   2380   #   SSL_BACKENDS
   2381   #   SUPPORT_FEATURES
   2382   #   SUPPORT_PROTOCOLS
   2383   #   VERSIONNUM
   2384   configure_file(
   2385     "${PROJECT_SOURCE_DIR}/curl-config.in"
   2386     "${PROJECT_BINARY_DIR}/curl-config" @ONLY)
   2387   install(FILES "${PROJECT_BINARY_DIR}/curl-config"
   2388     DESTINATION ${CMAKE_INSTALL_BINDIR}
   2389     PERMISSIONS
   2390       OWNER_READ OWNER_WRITE OWNER_EXECUTE
   2391       GROUP_READ GROUP_EXECUTE
   2392       WORLD_READ WORLD_EXECUTE)
   2393 
   2394   # Generate a pkg-config file matching this config.
   2395   # Consumed variables:
   2396   #   CURLVERSION
   2397   #   exec_prefix
   2398   #   includedir
   2399   #   LIBCURL_PC_CFLAGS
   2400   #   LIBCURL_PC_CFLAGS_PRIVATE
   2401   #   LIBCURL_PC_LDFLAGS_PRIVATE
   2402   #   LIBCURL_PC_LIBS
   2403   #   LIBCURL_PC_LIBS_PRIVATE
   2404   #   LIBCURL_PC_REQUIRES
   2405   #   LIBCURL_PC_REQUIRES_PRIVATE
   2406   #   libdir
   2407   #   prefix
   2408   #   SUPPORT_FEATURES
   2409   #   SUPPORT_PROTOCOLS
   2410   # Documentation:
   2411   #   https://people.freedesktop.org/~dbn/pkg-config-guide.html
   2412   #   https://manpages.debian.org/unstable/pkgconf/pkg-config.1.en.html
   2413   #   https://manpages.debian.org/unstable/pkg-config/pkg-config.1.en.html
   2414   #   https://www.msys2.org/docs/pkgconfig/
   2415   configure_file(
   2416     "${PROJECT_SOURCE_DIR}/libcurl.pc.in"
   2417     "${PROJECT_BINARY_DIR}/libcurl.pc" @ONLY)
   2418   install(FILES "${PROJECT_BINARY_DIR}/libcurl.pc"
   2419     DESTINATION "${CMAKE_INSTALL_LIBDIR}/pkgconfig")
   2420 
   2421   # Install headers
   2422   install(DIRECTORY "${PROJECT_SOURCE_DIR}/include/curl"
   2423     DESTINATION ${CMAKE_INSTALL_INCLUDEDIR}
   2424     FILES_MATCHING PATTERN "*.h")
   2425 
   2426   include(CMakePackageConfigHelpers)
   2427   write_basic_package_version_file(
   2428     "${_version_config}"
   2429     VERSION ${_curl_version}
   2430     COMPATIBILITY SameMajorVersion)
   2431   file(READ "${_version_config}" _generated_version_config)
   2432   file(WRITE "${_version_config}" "
   2433     if(NOT PACKAGE_FIND_VERSION_RANGE AND PACKAGE_FIND_VERSION_MAJOR STREQUAL \"7\")
   2434       # Version 8 satisfies version 7... requirements
   2435       set(PACKAGE_FIND_VERSION_MAJOR 8)
   2436       set(PACKAGE_FIND_VERSION_COUNT 1)
   2437     endif()
   2438     ${_generated_version_config}")
   2439 
   2440   # Consumed custom variables:
   2441   #   CURLVERSION
   2442   #   LIB_NAME
   2443   #   LIB_SELECTED
   2444   #   TARGETS_EXPORT_NAME
   2445   #   USE_OPENSSL OPENSSL_VERSION_MAJOR
   2446   #   HAVE_LIBZ ZLIB_VERSION_MAJOR
   2447   #   CURL_SUPPORTED_FEATURES_LIST
   2448   #   CURL_SUPPORTED_PROTOCOLS_LIST
   2449   configure_package_config_file("CMake/curl-config.cmake.in"
   2450     "${_project_config}"
   2451     INSTALL_DESTINATION ${_install_cmake_dir}
   2452     PATH_VARS CMAKE_INSTALL_INCLUDEDIR)
   2453 
   2454   if(CURL_ENABLE_EXPORT_TARGET)
   2455     install(EXPORT "${TARGETS_EXPORT_NAME}"
   2456       NAMESPACE "${PROJECT_NAME}::"
   2457       DESTINATION ${_install_cmake_dir})
   2458   endif()
   2459 
   2460   install(FILES ${_version_config} ${_project_config}
   2461     DESTINATION ${_install_cmake_dir})
   2462 
   2463   if(NOT TARGET curl_uninstall)
   2464     configure_file(
   2465       "${CMAKE_CURRENT_SOURCE_DIR}/CMake/cmake_uninstall.cmake.in"
   2466       "${CMAKE_CURRENT_BINARY_DIR}/CMake/cmake_uninstall.cmake"
   2467       @ONLY)
   2468 
   2469     add_custom_target(curl_uninstall
   2470       COMMAND ${CMAKE_COMMAND} -P "${CMAKE_CURRENT_BINARY_DIR}/CMake/cmake_uninstall.cmake")
   2471   endif()
   2472 
   2473   install(FILES "${PROJECT_SOURCE_DIR}/scripts/wcurl"
   2474     DESTINATION ${CMAKE_INSTALL_BINDIR}
   2475     PERMISSIONS
   2476       OWNER_READ OWNER_WRITE OWNER_EXECUTE
   2477       GROUP_READ GROUP_EXECUTE
   2478       WORLD_READ WORLD_EXECUTE)
   2479 
   2480   # The `-DEV` part is important
   2481   string(REGEX REPLACE "([0-9]+\.[0-9]+)\.([0-9]+.*)" "\\2" CPACK_PACKAGE_VERSION_PATCH "${_curl_version}")
   2482   set(CPACK_GENERATOR "TGZ")
   2483   include(CPack)
   2484 endif()
   2485 
   2486 # Save build info for test runner to pick up and log
   2487 set(_cmake_sysroot "")
   2488 if(CMAKE_OSX_SYSROOT)
   2489   set(_cmake_sysroot ${CMAKE_OSX_SYSROOT})
   2490 elseif(CMAKE_SYSROOT)
   2491   set(_cmake_sysroot ${CMAKE_SYSROOT})
   2492 endif()
   2493 set(_buildinfo "\
   2494 buildinfo.configure.tool: cmake
   2495 buildinfo.configure.command: ${CMAKE_COMMAND}
   2496 buildinfo.configure.version: ${CMAKE_VERSION}
   2497 buildinfo.configure.args:${_cmake_args}
   2498 buildinfo.configure.generator: ${CMAKE_GENERATOR}
   2499 buildinfo.configure.make: ${CMAKE_MAKE_PROGRAM}
   2500 buildinfo.host.cpu: ${CMAKE_HOST_SYSTEM_PROCESSOR}
   2501 buildinfo.host.os: ${CMAKE_HOST_SYSTEM_NAME}
   2502 buildinfo.target.cpu: ${CMAKE_SYSTEM_PROCESSOR}
   2503 buildinfo.target.os: ${CMAKE_SYSTEM_NAME}
   2504 buildinfo.target.flags:${_target_flags}
   2505 buildinfo.compiler: ${CMAKE_C_COMPILER_ID}
   2506 buildinfo.compiler.version: ${CMAKE_C_COMPILER_VERSION}
   2507 buildinfo.sysroot: ${_cmake_sysroot}
   2508 ")
   2509 file(WRITE "${PROJECT_BINARY_DIR}/buildinfo.txt" "# This is a generated file.  Do not edit.\n${_buildinfo}")
   2510 if(NOT "$ENV{CURL_BUILDINFO}$ENV{CURL_CI}$ENV{CI}" STREQUAL "")
   2511   message(STATUS "\n${_buildinfo}")
   2512 endif()