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|
# Detect Clang compiler
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|
if("${CMAKE_CXX_COMPILER_ID}" MATCHES ".*Clang")
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|
set(CMAKE_COMPILER_IS_CLANGXX 1)
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|
|
endif()
|
|
|
|
|
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|
|
|
|
# Require C++11
|
|
|
|
|
if(CMAKE_COMPILER_IS_GNUCXX OR CMAKE_COMPILER_IS_CLANGXX)
|
|
|
|
|
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++1y")
|
|
|
|
|
if(APPLE)
|
|
|
|
|
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -stdlib=libc++")
|
|
|
|
|
endif()
|
|
|
|
|
endif()
|
|
|
|
|
|
|
|
|
|
# MSVC automatically defines -D_DEBUG when /MTd or /MDd is set, so we
|
|
|
|
|
# need to make sure it gets added for other compilers too
|
|
|
|
|
if(CMAKE_COMPILER_IS_GNUCXX OR CMAKE_COMPILER_IS_CLANGXX)
|
|
|
|
|
set(CMAKE_C_FLAGS_DEBUG "${CMAKE_C_FLAGS_DEBUG} -D_DEBUG")
|
|
|
|
|
set(CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG} -D_DEBUG")
|
|
|
|
|
endif()
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
# Compile-time type size checks
|
|
|
|
|
include(CheckTypeSize)
|
|
|
|
|
|
|
|
|
|
if(NOT WCHAR_BYTES)
|
|
|
|
|
check_type_size("wchar_t" WCHAR_BYTES)
|
|
|
|
|
if(NOT WCHAR_BYTES)
|
|
|
|
|
message(FATAL_ERROR "Could not determine sizeof(wchar_t)")
|
|
|
|
|
set(WCHAR_BYTES 0)
|
|
|
|
|
endif()
|
|
|
|
|
endif()
|
|
|
|
|
|
|
|
|
|
if(NOT SIZEOF_LONG)
|
|
|
|
|
check_type_size("long" SIZEOF_LONG)
|
|
|
|
|
if(NOT SIZEOF_LONG)
|
|
|
|
|
message(FATAL_ERROR "Could not determine sizeof(long)")
|
|
|
|
|
set(SIZEOF_LONG 0)
|
|
|
|
|
endif()
|
|
|
|
|
endif()
|
|
|
|
|
|
|
|
|
|
# Check for CPUID headers
|
|
|
|
|
try_compile(HAVE_CPUID ${PROJECT_BINARY_DIR}
|
|
|
|
|
${PROJECT_SOURCE_DIR}/cmake/check_cpuid.cpp
|
|
|
|
|
OUTPUT_VARIABLE OUTPUT)
|
|
|
|
|
if(HAVE_CPUID)
|
|
|
|
|
message("CPUID header found -- using hardware math acceleration when available")
|
|
|
|
|
else()
|
|
|
|
|
message("CPUID header not found -- using software math")
|
|
|
|
|
endif()
|
|
|
|
|
|
|
|
|
|
# Look for a supported "deprecated" attribute specifier.
|
|
|
|
|
try_compile(HAVE_CXX14_DEPRECATED_ATTR ${PROJECT_BINARY_DIR}
|
|
|
|
|
${PROJECT_SOURCE_DIR}/cmake/check_deprecated_attribute.cpp
|
|
|
|
|
COMPILE_DEFINITIONS -DTRY_ATTRIBUTE
|
|
|
|
|
OUTPUT_VARIABLE OUTPUT)
|
|
|
|
|
try_compile(HAVE_GCC_DEPRECATED_ATTR ${PROJECT_BINARY_DIR}
|
|
|
|
|
${PROJECT_SOURCE_DIR}/cmake/check_deprecated_attribute.cpp
|
|
|
|
|
COMPILE_DEFINITIONS -DTRY_GCC_ATTR
|
|
|
|
|
OUTPUT_VARIABLE OUTPUT)
|
|
|
|
|
|
|
|
|
|
configure_file(${PROJECT_SOURCE_DIR}/cmake/hsCompilerSpecific.h.cmake
|
|
|
|
|
${PROJECT_BINARY_DIR}/hsCompilerSpecific.h)
|
|
|
|
|
include_directories(${PROJECT_BINARY_DIR})
|
