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# =============================================================================
# Copyright (C) 2016-2019 Blue Brain Project
#
# See top-level LICENSE file for details.
# =============================================================================
# CompilerFlagsHelpers.cmake
#
# set of Convenience functions for portable compiler flags
set(SUPPORTED_COMPILER_LANGUAGE_LIST "C;CXX")
# Detect compiler
foreach(COMPILER_LANGUAGE ${SUPPORTED_COMPILER_LANGUAGE_LIST})
if(CMAKE_${COMPILER_LANGUAGE}_COMPILER_ID STREQUAL "XL")
set(CMAKE_${COMPILER_LANGUAGE}_COMPILER_IS_XLC ON)
elseif(CMAKE_${COMPILER_LANGUAGE}_COMPILER_ID STREQUAL "Intel")
set(CMAKE_${COMPILER_LANGUAGE}_COMPILER_IS_ICC ON)
elseif("${CMAKE_CXX_COMPILER_ID}" STREQUAL "MSVC")
set(CMAKE_${COMPILER_LANGUAGE}_COMPILER_IS_MSVC)
elseif(${CMAKE_${COMPILER_LANGUAGE}_COMPILER_ID} STREQUAL "Clang")
set(CMAKE_${COMPILER_LANGUAGE}_COMPILER_IS_CLANG ON)
elseif(CMAKE_${COMPILER_LANGUAGE}_COMPILER_ID STREQUAL "GNU")
set(CMAKE_${COMPILER_LANGUAGE}_COMPILER_IS_GCC ON)
elseif(CMAKE_${COMPILER_LANGUAGE}_COMPILER_ID STREQUAL "Cray")
set(CMAKE_${COMPILER_LANGUAGE}_COMPILER_IS_CRAY ON)
endif()
endforeach()
set(FASTDEBUG_FLAG "-g -O1")
# Set optimization flags for each compiler
foreach(COMPILER_LANGUAGE ${SUPPORTED_COMPILER_LANGUAGE_LIST})
# XLC compiler
if(CMAKE_${COMPILER_LANGUAGE}_COMPILER_IS_XLC)
# XLC -qinfo=all is awfully verbose on any platforms that use the GNU STL Enable by default only
# the relevant one
set(CMAKE_${COMPILER_LANGUAGE}_WARNING_ALL "-qformat=all -qinfo=lan:trx:ret:zea:cmp:ret")
set(CMAKE_${COMPILER_LANGUAGE}_DEBUGINFO_FLAGS "-g")
set(CMAKE_${COMPILER_LANGUAGE}_OPT_NONE "-O0")
set(CMAKE_${COMPILER_LANGUAGE}_OPT_NORMAL "-O2")
set(CMAKE_${COMPILER_LANGUAGE}_OPT_FAST "-O3")
set(CMAKE_${COMPILER_LANGUAGE}_OPT_FASTDEBUG ${FASTDEBUG_FLAG})
set(CMAKE_${COMPILER_LANGUAGE}_STACK_PROTECTION "-qstackprotect")
set(CMAKE_${COMPILER_LANGUAGE}_POSITION_INDEPENDENT "-qpic=small")
set(CMAKE_${COMPILER_LANGUAGE}_VECTORIZE "-qhot")
set(IGNORE_UNKNOWN_PRAGMA_FLAGS "-qsuppress=1506-224")
# Microsoft compiler
elseif(CMAKE_${COMPILER_LANGUAGE}_COMPILER_IS_MSVC)
set(CMAKE_${COMPILER_LANGUAGE}_DEBUGINFO_FLAGS "-Zi")
set(CMAKE_${COMPILER_LANGUAGE}_OPT_NONE "")
set(CMAKE_${COMPILER_LANGUAGE}_OPT_NORMAL "-O2")
set(CMAKE_${COMPILER_LANGUAGE}_OPT_FAST "-O2")
set(CMAKE_${COMPILER_LANGUAGE}_OPT_FASTDEBUG ${FASTDEBUG_FLAG})
set(CMAKE_${COMPILER_LANGUAGE}_STACK_PROTECTION "-GS")
# enable by default on MSVC
set(CMAKE_${COMPILER_LANGUAGE}_POSITION_INDEPENDENT "")
# GCC
elseif(CMAKE_${COMPILER_LANGUAGE}_COMPILER_IS_GCC)
set(CMAKE_${COMPILER_LANGUAGE}_WARNING_ALL "-Wall")
set(CMAKE_${COMPILER_LANGUAGE}_DEBUGINFO_FLAGS "-g")
set(CMAKE_${COMPILER_LANGUAGE}_OPT_NONE "-O0")
set(CMAKE_${COMPILER_LANGUAGE}_OPT_NORMAL "-O2")
set(CMAKE_${COMPILER_LANGUAGE}_OPT_FAST "-O3")
set(CMAKE_${COMPILER_LANGUAGE}_OPT_FASTDEBUG ${FASTDEBUG_FLAG})
set(CMAKE_${COMPILER_LANGUAGE}_STACK_PROTECTION "-fstack-protector")
set(CMAKE_${COMPILER_LANGUAGE}_POSITION_INDEPENDENT "-fPIC")
set(CMAKE_${COMPILER_LANGUAGE}_VECTORIZE "-ftree-vectorize")
set(IGNORE_UNKNOWN_PRAGMA_FLAGS "-Wno-unknown-pragmas")
set(CMAKE_${COMPILER_LANGUAGE}_IGNORE_WARNINGS "-Wno-write-strings")
if(CMAKE_${COMPILER_LANGUAGE}_COMPILER_VERSION VERSION_GREATER "4.7.0")
set(CMAKE_${COMPILER_LANGUAGE}_LINK_TIME_OPT "-flto")
endif()
if((CMAKE_HOST_SYSTEM_PROCESSOR MATCHES "^ppc") OR (CMAKE_HOST_SYSTEM_PROCESSOR MATCHES "^power"
))
# ppc arch do not support -march= syntax
set(CMAKE_${COMPILER_LANGUAGE}_GEN_NATIVE "-mcpu=native")
else()
set(CMAKE_${COMPILER_LANGUAGE}_GEN_NATIVE "-march=native")
endif()
# Intel Compiler
elseif(CMAKE_${COMPILER_LANGUAGE}_COMPILER_IS_ICC)
set(CMAKE_${COMPILER_LANGUAGE}_WARNING_ALL "-Wall")
set(CMAKE_${COMPILER_LANGUAGE}_DEBUGINFO_FLAGS "-g")
set(CMAKE_${COMPILER_LANGUAGE}_OPT_NONE "-O0")
set(CMAKE_${COMPILER_LANGUAGE}_OPT_NORMAL "-O2")
set(CMAKE_${COMPILER_LANGUAGE}_OPT_FAST "-O3")
if(CMAKE_${COMPILER_LANGUAGE}_COMPILER_ID STREQUAL "IntelLLVM")
set(CMAKE_${COMPILER_LANGUAGE}_OPT_FASTDEBUG "${FASTDEBUG_FLAG} -fp-model precise")
else()
set(CMAKE_${COMPILER_LANGUAGE}_OPT_FASTDEBUG "${FASTDEBUG_FLAG} -fp-model consistent")
endif()
set(CMAKE_${COMPILER_LANGUAGE}_STACK_PROTECTION "-fstack-protector")
set(CMAKE_${COMPILER_LANGUAGE}_POSITION_INDEPENDENT "-fpic")
set(CMAKE_${COMPILER_LANGUAGE}_VECTORIZE "")
set(IGNORE_UNKNOWN_PRAGMA_FLAGS "-Wno-unknown-pragmas")
set(CMAKE_${COMPILER_LANGUAGE}_GEN_NATIVE "-march=native")
# rest of the world
else()
set(CMAKE_${COMPILER_LANGUAGE}_WARNING_ALL "-Wall")
set(CMAKE_${COMPILER_LANGUAGE}_DEBUGINFO_FLAGS "-g")
set(CMAKE_${COMPILER_LANGUAGE}_OPT_NONE "-O0")
set(CMAKE_${COMPILER_LANGUAGE}_OPT_NORMAL "-O2")
set(CMAKE_${COMPILER_LANGUAGE}_OPT_FAST "-O3")
set(CMAKE_${COMPILER_LANGUAGE}_OPT_FASTDEBUG "-g -O1")
set(CMAKE_${COMPILER_LANGUAGE}_STACK_PROTECTION "")
set(CMAKE_${COMPILER_LANGUAGE}_POSITION_INDEPENDENT "-fPIC")
set(CMAKE_${COMPILER_LANGUAGE}_VECTORIZE "")
if(CMAKE_${COMPILER_LANGUAGE}_COMPILER_ID STREQUAL "PGI")
set(CMAKE_${COMPILER_LANGUAGE}_WARNING_ALL "")
endif()
if(CMAKE_${COMPILER_LANGUAGE}_COMPILER_ID MATCHES "Clang|AppleClang")
set(CMAKE_${COMPILER_LANGUAGE}_IGNORE_WARNINGS "-Wno-writable-strings")
endif()
if(CMAKE_${COMPILER_LANGUAGE}_COMPILER_ID STREQUAL "NVHPC")
set(CMAKE_${COMPILER_LANGUAGE}_OPT_FASTDEBUG "${FASTDEBUG_FLAG} -fno-omit-frame-pointer")
endif()
endif()
endforeach()
|
