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CMake: Link thread library only when necessary

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Use CMAKE_THREAD_LIBS_INIT instead of always linking -pthread.
This commit is contained in:
Maarten Bent 2024-02-25 14:38:59 +01:00
parent bf971fb0a8
commit d8d393e4b8
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GPG key ID: 58AAEE3F4A4FD070
3 changed files with 6 additions and 13 deletions
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8
build/cmake/config.cmake
View file

@ -178,12 +178,8 @@ function(wx_write_config)
set(CC ${CMAKE_C_COMPILER})
set(CXX ${CMAKE_CXX_COMPILER})
set(WXCONFIG_CFLAGS)
set(WXCONFIG_LDFLAGS)
if(CMAKE_USE_PTHREADS_INIT)
set(WXCONFIG_CFLAGS "-pthread")
set(WXCONFIG_LDFLAGS "-pthread")
endif()
set(WXCONFIG_CFLAGS ${CMAKE_THREAD_LIBS_INIT})
set(WXCONFIG_LDFLAGS ${CMAKE_THREAD_LIBS_INIT})
set(WXCONFIG_CPPFLAGS)
if(wxBUILD_SHARED)
wx_string_append(WXCONFIG_CPPFLAGS " -DWXUSINGDLL")

9
build/cmake/functions.cmake
View file

@ -177,12 +177,9 @@ function(wx_set_common_target_properties target_name)
target_compile_definitions(${target_name} PUBLIC "-D_FILE_OFFSET_BITS=64")
endif()
if(CMAKE_USE_PTHREADS_INIT)
target_compile_options(${target_name} PRIVATE "-pthread")
# clang++.exe: warning: argument unused during compilation: '-pthread' [-Wunused-command-line-argument]
if(NOT (WIN32 AND "${CMAKE_CXX_COMPILER_ID}" STREQUAL "Clang"))
set_target_properties(${target_name} PROPERTIES LINK_FLAGS "-pthread")
endif()
if(CMAKE_THREAD_LIBS_INIT)
target_compile_options(${target_name} PRIVATE ${CMAKE_THREAD_LIBS_INIT})
target_link_libraries(${target_name} PUBLIC ${CMAKE_THREAD_LIBS_INIT})
endif()
wx_set_source_groups()
endfunction()

2
build/cmake/setup.cmake
View file

@ -403,7 +403,7 @@ endif(UNIX)
if(CMAKE_USE_PTHREADS_INIT)
cmake_push_check_state(RESET)
set(CMAKE_REQUIRED_LIBRARIES pthread)
set(CMAKE_REQUIRED_LIBRARIES ${CMAKE_THREAD_LIBS_INIT})
wx_check_cxx_source_compiles("
void *p;
pthread_cleanup_push(ThreadCleanupFunc, p);