FindLibidn2.cmake (3006B)
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 # Find the libidn2 library 25 # 26 # Input variables: 27 # 28 # - `LIBIDN2_INCLUDE_DIR`: The libidn2 include directory. 29 # - `LIBIDN2_LIBRARY`: Path to `libidn2` library. 30 # 31 # Result variables: 32 # 33 # - `LIBIDN2_FOUND`: System has libidn2. 34 # - `LIBIDN2_INCLUDE_DIRS`: The libidn2 include directories. 35 # - `LIBIDN2_LIBRARIES`: The libidn2 library names. 36 # - `LIBIDN2_LIBRARY_DIRS`: The libidn2 library directories. 37 # - `LIBIDN2_PC_REQUIRES`: The libidn2 pkg-config packages. 38 # - `LIBIDN2_CFLAGS`: Required compiler flags. 39 # - `LIBIDN2_VERSION`: Version of libidn2. 40 41 set(LIBIDN2_PC_REQUIRES "libidn2") 42 43 if(CURL_USE_PKGCONFIG AND 44 NOT DEFINED LIBIDN2_INCLUDE_DIR AND 45 NOT DEFINED LIBIDN2_LIBRARY) 46 find_package(PkgConfig QUIET) 47 pkg_check_modules(LIBIDN2 ${LIBIDN2_PC_REQUIRES}) 48 endif() 49 50 if(LIBIDN2_FOUND) 51 set(Libidn2_FOUND TRUE) 52 string(REPLACE ";" " " LIBIDN2_CFLAGS "${LIBIDN2_CFLAGS}") 53 message(STATUS "Found Libidn2 (via pkg-config): ${LIBIDN2_INCLUDE_DIRS} (found version \"${LIBIDN2_VERSION}\")") 54 else() 55 find_path(LIBIDN2_INCLUDE_DIR NAMES "idn2.h") 56 find_library(LIBIDN2_LIBRARY NAMES "idn2" "libidn2") 57 58 unset(LIBIDN2_VERSION CACHE) 59 if(LIBIDN2_INCLUDE_DIR AND EXISTS "${LIBIDN2_INCLUDE_DIR}/idn2.h") 60 set(_version_regex "#[\t ]*define[\t ]+IDN2_VERSION[\t ]+\"([^\"]*)\"") 61 file(STRINGS "${LIBIDN2_INCLUDE_DIR}/idn2.h" _version_str REGEX "${_version_regex}") 62 string(REGEX REPLACE "${_version_regex}" "\\1" _version_str "${_version_str}") 63 set(LIBIDN2_VERSION "${_version_str}") 64 unset(_version_regex) 65 unset(_version_str) 66 endif() 67 68 include(FindPackageHandleStandardArgs) 69 find_package_handle_standard_args(Libidn2 70 REQUIRED_VARS 71 LIBIDN2_INCLUDE_DIR 72 LIBIDN2_LIBRARY 73 VERSION_VAR 74 LIBIDN2_VERSION 75 ) 76 77 if(LIBIDN2_FOUND) 78 set(LIBIDN2_INCLUDE_DIRS ${LIBIDN2_INCLUDE_DIR}) 79 set(LIBIDN2_LIBRARIES ${LIBIDN2_LIBRARY}) 80 endif() 81 82 mark_as_advanced(LIBIDN2_INCLUDE_DIR LIBIDN2_LIBRARY) 83 endif()