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56 lines
1.8 KiB
56 lines
1.8 KiB
# Detect Clang compiler |
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if("${CMAKE_CXX_COMPILER_ID}" MATCHES ".*Clang") |
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set(CMAKE_COMPILER_IS_CLANGXX 1) |
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endif() |
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# Require C++11 |
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if(CMAKE_COMPILER_IS_GNUCXX OR CMAKE_COMPILER_IS_CLANGXX) |
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set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++0x") |
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if(APPLE) |
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set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -stdlib=libc++") |
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endif() |
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endif() |
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# Compile-time type size checks |
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include(CheckTypeSize) |
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if(NOT WCHAR_BYTES) |
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check_type_size("wchar_t" WCHAR_BYTES) |
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if(NOT WCHAR_BYTES) |
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message(FATAL_ERROR "Could not determine sizeof(wchar_t)") |
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set(WCHAR_BYTES 0) |
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endif() |
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endif() |
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if(NOT SIZEOF_LONG) |
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check_type_size("long" SIZEOF_LONG) |
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if(NOT SIZEOF_LONG) |
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message(FATAL_ERROR "Could not determine sizeof(long)") |
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set(SIZEOF_LONG 0) |
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endif() |
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endif() |
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# Check for CPUID headers |
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try_compile(HAVE_CPUID ${PROJECT_BINARY_DIR} |
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${PROJECT_SOURCE_DIR}/cmake/check_cpuid.cpp |
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OUTPUT_VARIABLE OUTPUT) |
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if(HAVE_CPUID) |
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message("CPUID header found -- using hardware math acceleration when available") |
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else() |
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message("CPUID header not found -- using software math") |
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endif() |
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# Look for a supported "deprecated" attribute specifier. |
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try_compile(HAVE_CXX14_DEPRECATED_ATTR ${PROJECT_BINARY_DIR} |
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${PROJECT_SOURCE_DIR}/cmake/check_deprecated_attribute.cpp |
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COMPILE_DEFINITIONS -DTRY_ATTRIBUTE |
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OUTPUT_VARIABLE OUTPUT) |
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try_compile(HAVE_GCC_DEPRECATED_ATTR ${PROJECT_BINARY_DIR} |
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${PROJECT_SOURCE_DIR}/cmake/check_deprecated_attribute.cpp |
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COMPILE_DEFINITIONS -DTRY_GCC_ATTR |
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OUTPUT_VARIABLE OUTPUT) |
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configure_file(${PROJECT_SOURCE_DIR}/cmake/hsCompilerSpecific.h.cmake |
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${PROJECT_BINARY_DIR}/hsCompilerSpecific.h) |
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include_directories(${PROJECT_BINARY_DIR})
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