diff options
Diffstat (limited to 'CMake/CurlSymbolHiding.cmake')
| -rw-r--r-- | CMake/CurlSymbolHiding.cmake | 92 |
1 files changed, 46 insertions, 46 deletions
diff --git a/CMake/CurlSymbolHiding.cmake b/CMake/CurlSymbolHiding.cmake index 9f7d29633..15ba46e46 100644 --- a/CMake/CurlSymbolHiding.cmake +++ b/CMake/CurlSymbolHiding.cmake @@ -4,57 +4,57 @@ option(CURL_HIDDEN_SYMBOLS "Set to ON to hide libcurl internal symbols (=hide al mark_as_advanced(CURL_HIDDEN_SYMBOLS) if(CURL_HIDDEN_SYMBOLS) - set(SUPPORTS_SYMBOL_HIDING FALSE) + set(SUPPORTS_SYMBOL_HIDING FALSE) - if(CMAKE_C_COMPILER_ID MATCHES "Clang") - set(SUPPORTS_SYMBOL_HIDING TRUE) - set(_SYMBOL_EXTERN "__attribute__ ((__visibility__ (\"default\")))") - set(_CFLAG_SYMBOLS_HIDE "-fvisibility=hidden") - elseif(CMAKE_COMPILER_IS_GNUCC) - if(NOT CMAKE_VERSION VERSION_LESS 2.8.10) - set(GCC_VERSION ${CMAKE_C_COMPILER_VERSION}) - else() - execute_process(COMMAND ${CMAKE_C_COMPILER} -dumpversion - OUTPUT_VARIABLE GCC_VERSION) - endif() - if(NOT GCC_VERSION VERSION_LESS 3.4) - # note: this is considered buggy prior to 4.0 but the autotools don't care, so let's ignore that fact - set(SUPPORTS_SYMBOL_HIDING TRUE) - set(_SYMBOL_EXTERN "__attribute__ ((__visibility__ (\"default\")))") - set(_CFLAG_SYMBOLS_HIDE "-fvisibility=hidden") - endif() - elseif(CMAKE_C_COMPILER_ID MATCHES "SunPro" AND NOT CMAKE_C_COMPILER_VERSION VERSION_LESS 8.0) - set(SUPPORTS_SYMBOL_HIDING TRUE) - set(_SYMBOL_EXTERN "__global") - set(_CFLAG_SYMBOLS_HIDE "-xldscope=hidden") - elseif(CMAKE_C_COMPILER_ID MATCHES "Intel" AND NOT CMAKE_C_COMPILER_VERSION VERSION_LESS 9.0) - # note: this should probably just check for version 9.1.045 but I'm not 100% sure - # so let's to it the same way autotools do. - set(SUPPORTS_SYMBOL_HIDING TRUE) - set(_SYMBOL_EXTERN "__attribute__ ((__visibility__ (\"default\")))") - set(_CFLAG_SYMBOLS_HIDE "-fvisibility=hidden") - check_c_source_compiles("#include <stdio.h> - int main (void) { printf(\"icc fvisibility bug test\"); return 0; }" _no_bug) - if(NOT _no_bug) - set(SUPPORTS_SYMBOL_HIDING FALSE) - set(_SYMBOL_EXTERN "") - set(_CFLAG_SYMBOLS_HIDE "") - endif() - elseif(MSVC) - set(SUPPORTS_SYMBOL_HIDING TRUE) + if(CMAKE_C_COMPILER_ID MATCHES "Clang") + set(SUPPORTS_SYMBOL_HIDING TRUE) + set(_SYMBOL_EXTERN "__attribute__ ((__visibility__ (\"default\")))") + set(_CFLAG_SYMBOLS_HIDE "-fvisibility=hidden") + elseif(CMAKE_COMPILER_IS_GNUCC) + if(NOT CMAKE_VERSION VERSION_LESS 2.8.10) + set(GCC_VERSION ${CMAKE_C_COMPILER_VERSION}) + else() + execute_process(COMMAND ${CMAKE_C_COMPILER} -dumpversion + OUTPUT_VARIABLE GCC_VERSION) + endif() + if(NOT GCC_VERSION VERSION_LESS 3.4) + # note: this is considered buggy prior to 4.0 but the autotools don't care, so let's ignore that fact + set(SUPPORTS_SYMBOL_HIDING TRUE) + set(_SYMBOL_EXTERN "__attribute__ ((__visibility__ (\"default\")))") + set(_CFLAG_SYMBOLS_HIDE "-fvisibility=hidden") endif() + elseif(CMAKE_C_COMPILER_ID MATCHES "SunPro" AND NOT CMAKE_C_COMPILER_VERSION VERSION_LESS 8.0) + set(SUPPORTS_SYMBOL_HIDING TRUE) + set(_SYMBOL_EXTERN "__global") + set(_CFLAG_SYMBOLS_HIDE "-xldscope=hidden") + elseif(CMAKE_C_COMPILER_ID MATCHES "Intel" AND NOT CMAKE_C_COMPILER_VERSION VERSION_LESS 9.0) + # note: this should probably just check for version 9.1.045 but I'm not 100% sure + # so let's to it the same way autotools do. + set(SUPPORTS_SYMBOL_HIDING TRUE) + set(_SYMBOL_EXTERN "__attribute__ ((__visibility__ (\"default\")))") + set(_CFLAG_SYMBOLS_HIDE "-fvisibility=hidden") + check_c_source_compiles("#include <stdio.h> + int main (void) { printf(\"icc fvisibility bug test\"); return 0; }" _no_bug) + if(NOT _no_bug) + set(SUPPORTS_SYMBOL_HIDING FALSE) + set(_SYMBOL_EXTERN "") + set(_CFLAG_SYMBOLS_HIDE "") + endif() + elseif(MSVC) + set(SUPPORTS_SYMBOL_HIDING TRUE) + endif() - set(HIDES_CURL_PRIVATE_SYMBOLS ${SUPPORTS_SYMBOL_HIDING}) + set(HIDES_CURL_PRIVATE_SYMBOLS ${SUPPORTS_SYMBOL_HIDING}) elseif(MSVC) - if(NOT CMAKE_VERSION VERSION_LESS 3.7) - set(CMAKE_WINDOWS_EXPORT_ALL_SYMBOLS TRUE) #present since 3.4.3 but broken - set(HIDES_CURL_PRIVATE_SYMBOLS FALSE) - else() - message(WARNING "Hiding private symbols regardless CURL_HIDDEN_SYMBOLS being disabled.") - set(HIDES_CURL_PRIVATE_SYMBOLS TRUE) - endif() -elseif() + if(NOT CMAKE_VERSION VERSION_LESS 3.7) + set(CMAKE_WINDOWS_EXPORT_ALL_SYMBOLS TRUE) #present since 3.4.3 but broken set(HIDES_CURL_PRIVATE_SYMBOLS FALSE) + else() + message(WARNING "Hiding private symbols regardless CURL_HIDDEN_SYMBOLS being disabled.") + set(HIDES_CURL_PRIVATE_SYMBOLS TRUE) + endif() +elseif() + set(HIDES_CURL_PRIVATE_SYMBOLS FALSE) endif() set(CURL_CFLAG_SYMBOLS_HIDE ${_CFLAG_SYMBOLS_HIDE}) |