54 lines
1.6 KiB
CMake
54 lines
1.6 KiB
CMake
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message(STATUS "Generating linux build config")
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set(SDK_INSTALL_BINARY_PREFIX "linux")
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include(CheckCXXSourceCompiles)
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include(CMakePushCheckState)
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include(CheckLibraryExists)
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set(ATOMIC_TEST_CXX_SOURCE "
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#include <cstdint>
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#include <atomic>
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std::atomic<uintptr_t> x;
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std::atomic<uintmax_t> y;
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int main() {
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return x + y;
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}")
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set(LIBATOMIC_TEST_CXX_SOURCE "
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int main() {
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__atomic_load_8(nullptr, 0);
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return 0;
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}")
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macro(apply_post_project_platform_settings)
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include(GNUInstallDirs)
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if(CMAKE_SIZEOF_VOID_P EQUAL 8)
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set(SDK_INSTALL_BINARY_PREFIX "${SDK_INSTALL_BINARY_PREFIX}/intel64")
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else()
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set(SDK_INSTALL_BINARY_PREFIX "${SDK_INSTALL_BINARY_PREFIX}/ia32")
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endif()
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set(PLATFORM_DEP_LIBS pthread)
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set(PLATFORM_DEP_LIBS_ABSTRACT_NAME pthread)
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# libatomic - some arches need to link against libatomic.so, some don't
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cmake_push_check_state()
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list(APPEND CMAKE_REQUIRED_FLAGS "-std=c++${CPP_STANDARD}")
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check_cxx_source_compiles("${ATOMIC_TEST_CXX_SOURCE}" HAVE_ATOMICS_WITHOUT_LIBATOMIC)
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if(NOT HAVE_ATOMICS_WITHOUT_LIBATOMIC)
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set(CMAKE_REQUIRED_LIBRARIES atomic)
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check_cxx_source_compiles("${LIBATOMIC_TEST_CXX_SOURCE}" LIBATOMIC_EXISTS)
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if(LIBATOMIC_EXISTS)
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check_cxx_source_compiles("${ATOMIC_TEST_CXX_SOURCE}" HAVE_ATOMICS_WITH_LIBATOMIC)
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endif()
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if(HAVE_ATOMICS_WITH_LIBATOMIC)
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list(APPEND PLATFORM_DEP_LIBS atomic)
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else()
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message(FATAL_ERROR "Could not determine support for atomic operations.")
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endif()
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endif()
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cmake_pop_check_state()
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endmacro()
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