2019-08-29 23:36:12 +08:00
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if (WIN32)
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set (CMAKE_SYSTEM_NAME Windows)
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set (CMAKE_GENERATOR_PLATFORM "x86")
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2019-08-30 02:18:35 +08:00
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elseif(APPLE)
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set (CMAKE_OSX_ARCHITECTURES "i386")
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2019-08-29 23:36:12 +08:00
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else ()
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set (CMAKE_SYSTEM_NAME Linux)
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2019-08-30 02:18:35 +08:00
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set (CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -m32" CACHE STRING "c++ flags")
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set (CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -m32" CACHE STRING "c flags")
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2019-08-29 23:36:12 +08:00
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set (LIB32 /usr/lib) # Fedora
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if (EXISTS /usr/lib32)
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set (LIB32 /usr/lib32) # Arch, Solus
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endif ()
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set (CMAKE_SYSTEM_LIBRARY_PATH ${LIB32} CACHE STRING "system library search path" FORCE)
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set (CMAKE_LIBRARY_PATH ${LIB32} CACHE STRING "library search path" FORCE)
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# this is probably unlikely to be needed, but just in case
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set (CMAKE_EXE_LINKER_FLAGS "-m32 -L${LIB32}" CACHE STRING "executable linker flags" FORCE)
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set (CMAKE_SHARED_LINKER_FLAGS "-m32 -L${LIB32}" CACHE STRING "shared library linker flags" FORCE)
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set (CMAKE_MODULE_LINKER_FLAGS "-m32 -L${LIB32}" CACHE STRING "module linker flags" FORCE)
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# on Fedora and Arch and similar, point pkgconfig at 32 bit .pc files. We have
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# to include the regular system .pc files as well (at the end), because some
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# are not always present in the 32 bit directory
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if (EXISTS ${LIB32}/pkgconfig)
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set (ENV{PKG_CONFIG_LIBDIR} ${LIB32}/pkgconfig:/usr/share/pkgconfig:/usr/lib/pkgconfig:/usr/lib64/pkgconfig)
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endif ()
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# where is the target environment
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set (CMAKE_FIND_ROOT_PATH ${LIB32})
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# search for programs in the build host directories
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set (CMAKE_FIND_ROOT_PATH_MODE_PROGRAM NEVER)
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# for libraries and headers in the target directories
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set (CMAKE_FIND_ROOT_PATH_MODE_LIBRARY ONLY)
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set (CMAKE_FIND_ROOT_PATH_MODE_INCLUDE ONLY)
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endif ()
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