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Compiler.cmake
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Compiler.cmake
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#================================
# Compiler Configurations file.
#================================
# First identify the compiler we're using.
if (MSVC)
if ((MSVC_VERSION VERSION_GREATER 1800))
set(ATLAS_COMPILER_MSVC 1)
message(STATUS "Using MSVC ${MSVC_VERSION}...")
else()
message(FATAL_ERROR "Atlas requires at least Visual Studio 12 to run.")
endif()
elseif(CMAKE_CXX_COMPILER_ID MATCHES "^(Apple)?Clang$")
set(ATLAS_COMPILER_CLANG 1)
message(STATUS "Using Clang...")
elseif(CMAKE_CXX_COMPILER_ID STREQUAL "Intel")
set(ATLAS_COMPILER_INTEL 1)
message(STATUS "Using icc...")
else()
set(ATLAS_COMPILER_GNU 1)
message(STATUS "Using GNU...")
endif()
# Now setup the flags depending on the compiler we're using.
if (ATLAS_COMPILER_MSVC)
add_definitions(
-wd4201 # nonstandard extension used: nameless struct/union.
-D_CRT_SECURE_NO_WARNINGS
)
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /W4")
set(CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG} /ZI")
else()
set(CMAKE_CXX_FLAGS_DEBUG "-g")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wall -std=gnu++14")
if (APPLE or WIN32)
if (ATLAS_COMPILER_CLANG)
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -stdlib=libc++")
endif()
endif()
endif()