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4d72006bd6
Several platform-wide linker flag variables are defined in
Modules/Platform/<os>.cmake files for C and then copied by the
Modules/CMake<lang>Information.cmake file for each language.
We now use this approach for the variables
CMAKE_EXE_EXPORTS_${lang}_FLAG
CMAKE_SHARED_LIBRARY_SONAME_${lang}_FLAG
CMAKE_SHARED_LIBRARY_CREATE_${lang}_FLAGS
to avoid duplication for multiple languages in each platform file.
27 lines
1.2 KiB
CMake
27 lines
1.2 KiB
CMake
IF(EXISTS /usr/include/dlfcn.h)
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SET(CMAKE_DL_LIBS "")
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SET(CMAKE_SHARED_LIBRARY_C_FLAGS "-fPIC") # -pic
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SET(CMAKE_SHARED_LIBRARY_CREATE_C_FLAGS "-shared") # -shared
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SET(CMAKE_SHARED_LIBRARY_LINK_C_FLAGS "") # +s, flag for exe link to use shared lib
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SET(CMAKE_SHARED_LIBRARY_RUNTIME_C_FLAG "-Wl,-rpath,") # -rpath
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SET(CMAKE_SHARED_LIBRARY_RUNTIME_C_FLAG_SEP ":") # : or empty
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SET(CMAKE_SHARED_LIBRARY_RPATH_LINK_C_FLAG "-Wl,-rpath-link,")
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SET(CMAKE_SHARED_LIBRARY_SONAME_C_FLAG "-Wl,-soname,")
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SET(CMAKE_EXE_EXPORTS_C_FLAG "-Wl,--export-dynamic")
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ENDIF(EXISTS /usr/include/dlfcn.h)
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# Shared libraries with no builtin soname may not be linked safely by
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# specifying the file path.
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SET(CMAKE_PLATFORM_USES_PATH_WHEN_NO_SONAME 1)
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# Initialize C link type selection flags. These flags are used when
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# building a shared library, shared module, or executable that links
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# to other libraries to select whether to use the static or shared
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# versions of the libraries.
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FOREACH(type SHARED_LIBRARY SHARED_MODULE EXE)
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SET(CMAKE_${type}_LINK_STATIC_C_FLAGS "-Wl,-Bstatic")
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SET(CMAKE_${type}_LINK_DYNAMIC_C_FLAGS "-Wl,-Bdynamic")
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ENDFOREACH(type)
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INCLUDE(Platform/UnixPaths)
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