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CompilerFlags.cmake
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set (CC_WARN_FLAG "${CC_WARN_FLAG} -Wall -Wextra -Wpedantic")
set (CXX_WARN_FLAG "${CXX_WARN_FLAG} -Wall -Wextra -Wpedantic")
if ("${CMAKE_CXX_COMPILER_ID}" MATCHES ".*Clang")
set (CXX_GDB_FLAG "-g"
CACHE STRING "C++ compiler GDB debug symbols flag")
elseif ("${CMAKE_CXX_COMPILER_ID}" MATCHES "GNU")
set (CXX_GDB_FLAG "-ggdb3 -rdynamic"
CACHE STRING "C++ compiler GDB debug symbols flag")
endif()
# Set C++ compiler flags:
if ("${CMAKE_CXX_COMPILER_ID}" MATCHES ".*Clang")
# using Clang
set (CXX_STD_FLAG "--std=c++11"
CACHE STRING "C++ compiler std flag")
set (CXX_GDB_FLAG "-g"
CACHE STRING "C++ compiler (clang++) debug symbols flag")
set (CXX_OMP_FLAG ${OpenMP_CXX_FLAGS})
set (CC_OMP_FLAG ${OpenMP_CC_FLAGS})
if(CMAKE_CXX_COMPILER_VERSION VERSION_LESS "3.8.0")
message(FATAL_ERROR "Insufficient Clang version (< 3.8.0)")
endif()
elseif ("${CMAKE_CXX_COMPILER_ID}" MATCHES "GNU")
# using GCC
set (CXX_STD_FLAG "--std=c++11"
CACHE STRING "C++ compiler std flag")
set (CXX_GDB_FLAG "-ggdb3 -rdynamic"
CACHE STRING "C++ compiler GDB debug symbols flag")
set (CXX_OMP_FLAG ${OpenMP_CXX_FLAGS})
set (CC_OMP_FLAG ${OpenMP_CC_FLAGS})
if(ENABLE_LT_OPTIMIZATION)
set (CXX_LTO_FLAG "-flto -fwhole-program -fno-use-linker-plugin")
endif()
if(CMAKE_CXX_COMPILER_VERSION VERSION_LESS "4.8.1")
message(FATAL_ERROR "Insufficient GCC version (< 4.8.1)")
endif()
elseif ("${CMAKE_CXX_COMPILER_ID}" MATCHES "Intel")
# using Intel C++
set (CXX_STD_FLAG "-std=c++11"
CACHE STRING "C++ compiler std flag")
if(CMAKE_CXX_COMPILER_VERSION VERSION_LESS "15.0.0")
message(FATAL_ERROR "Insufficient Intel compiler version (< 15.0.0)")
endif()
endif()
# Set C compiler flags:
if ("${CMAKE_C_COMPILER_ID}" MATCHES ".*Clang")
# using Clang
set (CC_STD_FLAG "--std=c99"
CACHE STRING "C compiler std flag")
set (CC_GDB_FLAG "-g"
CACHE STRING "C compiler (clang) debug symbols flag")
elseif ("${CMAKE_C_COMPILER_ID}" MATCHES "GNU")
# using GCC
set (CC_STD_FLAG "--std=c99"
CACHE STRING "C compiler std flag")
set (CC_GDB_FLAG "-ggdb3"
CACHE STRING "C compiler GDB debug symbols flag")
elseif ("${CMAKE_C_COMPILER_ID}" MATCHES "Intel")
# using Intel C++
set (CC_STD_FLAG "-std=c99"
CACHE STRING "C compiler std flag")
elseif ("${CMAKE_C_COMPILER_ID}" MATCHES "Cray")
# using Cray
set (CC_STD_FLAG "-h c99"
CACHE STRING "C compiler std flag")
endif()
set(CMAKE_C_FLAGS_DEBUG
"${CMAKE_C_FLAGS_DEBUG} ${CC_ENV_SETUP_FLAGS}")
set(CMAKE_CXX_FLAGS_DEBUG
"${CMAKE_CXX_FLAGS_DEBUG} ${CXX_ENV_SETUP_FLAGS}")
set(CMAKE_C_FLAGS_RELEASE
"${CMAKE_C_FLAGS_RELEASE} ${CC_ENV_SETUP_FLAGS}")
set(CMAKE_CXX_FLAGS_RELEASE
"${CMAKE_CXX_FLAGS_RELEASE} ${CXX_ENV_SETUP_FLAGS}")
set(CMAKE_CXX_FLAGS_DEBUG
"${CMAKE_CXX_FLAGS_DEBUG} -DDEBUG")
set(CMAKE_CXX_FLAGS_DEBUG
"${CMAKE_CXX_FLAGS_DEBUG} -Og")
set(CMAKE_CXX_FLAGS_DEBUG
"${CMAKE_CXX_FLAGS_DEBUG} ${CXX_WARN_FLAG}")
set(CMAKE_CXX_FLAGS_DEBUG
"${CMAKE_CXX_FLAGS_DEBUG} ${CXX_STD_FLAG}")
set(CMAKE_CXX_FLAGS_DEBUG
"${CMAKE_CXX_FLAGS_DEBUG} ${CXX_GDB_FLAG}")
set(CMAKE_CXX_FLAGS_RELEASE
"${CMAKE_CXX_FLAGS_RELEASE} -Ofast")
set(CMAKE_CXX_FLAGS_RELEASE
"${CMAKE_CXX_FLAGS_RELEASE} ${CXX_STD_FLAG}")
set(CMAKE_CXX_FLAGS_RELEASE
"${CMAKE_CXX_FLAGS_RELEASE} ${CXX_WARN_FLAG}")
set(CMAKE_C_FLAGS_DEBUG
"${CMAKE_C_FLAGS_DEBUG} -DDEBUG")
set(CMAKE_C_FLAGS_DEBUG
"${CMAKE_C_FLAGS_DEBUG} -Og")
set(CMAKE_C_FLAGS_DEBUG
"${CMAKE_C_FLAGS_DEBUG} ${CC_WARN_FLAG}")
set(CMAKE_C_FLAGS_DEBUG
"${CMAKE_C_FLAGS_DEBUG} ${CC_STD_FLAG}")
set(CMAKE_C_FLAGS_RELEASE
"${CMAKE_C_FLAGS_RELEASE} -Ofast")
set(CMAKE_C_FLAGS_RELEASE
"${CMAKE_C_FLAGS_RELEASE} ${CC_WARN_FLAG}")
set(CMAKE_C_FLAGS_RELEASE
"${CMAKE_C_FLAGS_RELEASE} ${CC_STD_FLAG}")
message(STATUS "CC flags (Debug): ${CMAKE_C_FLAGS_DEBUG}")
message(STATUS "CXX flags (Debug): ${CMAKE_CXX_FLAGS_DEBUG}")
message(STATUS "CC flags (Release): ${CMAKE_C_FLAGS_RELEASE}")
message(STATUS "CXX flags (Release): ${CMAKE_CXX_FLAGS_RELEASE}")