1 # Copyright (C) 2020 The Khronos Group Inc.
5 # Redistribution and use in source and binary forms, with or without
6 # modification, are permitted provided that the following conditions
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10 # notice, this list of conditions and the following disclaimer.
12 # Redistributions in binary form must reproduce the above
13 # copyright notice, this list of conditions and the following
14 # disclaimer in the documentation and/or other materials provided
15 # with the distribution.
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18 # contributors may be used to endorse or promote products derived
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21 # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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32 # POSSIBILITY OF SUCH DAMAGE.
34 add_library(OSDependent STATIC ossource.cpp ../osinclude.h)
35 set_property(TARGET OSDependent PROPERTY FOLDER glslang)
36 set_property(TARGET OSDependent PROPERTY POSITION_INDEPENDENT_CODE ON)
39 set(CMAKE_THREAD_PREFER_PTHREAD ON)
40 if(${CMAKE_VERSION} VERSION_LESS "3.1.0" OR CMAKE_CROSSCOMPILING)
41 # Needed as long as we support CMake 2.8 for Ubuntu 14.04,
42 # which does not support the recommended Threads::Threads target.
43 # https://cmake.org/cmake/help/v2.8.12/cmake.html#module:FindThreads
44 # Also needed when cross-compiling to work around
45 # https://gitlab.kitware.com/cmake/cmake/issues/16920
47 target_link_libraries(OSDependent ${CMAKE_THREAD_LIBS_INIT})
49 # This is the recommended way, so we use it for 3.1+.
50 set(THREADS_PREFER_PTHREAD_FLAG ON)
52 target_link_libraries(OSDependent Threads::Threads)
55 if(ENABLE_GLSLANG_INSTALL AND NOT BUILD_SHARED_LIBS)
56 install(TARGETS OSDependent EXPORT glslang-targets)
58 # Backward compatibility
59 file(WRITE "${CMAKE_CURRENT_BINARY_DIR}/OSDependentTargets.cmake" "
60 message(WARNING \"Using `OSDependentTargets.cmake` is deprecated: use `find_package(glslang)` to find glslang CMake targets.\")
62 if (NOT TARGET glslang::OSDependent)
63 include(\"\${CMAKE_CURRENT_LIST_DIR}/../../${CMAKE_INSTALL_LIBDIR}/${PROJECT_NAME}/glslang-targets.cmake\")
66 add_library(OSDependent ALIAS glslang::OSDependent)
68 install(FILES "${CMAKE_CURRENT_BINARY_DIR}/OSDependentTargets.cmake" DESTINATION ${CMAKE_INSTALL_LIBDIR}/cmake)