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dft_tools/cmake/FindCompilerCheck.cmake

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# Copyright Olivier Parcollet 2012
# Distributed under the Boost Software License, Version 1.0.
# (See accompanying file LICENSE_1_0.txt or copy at
# http://www.boost.org/LICENSE_1_0.txt)
#
#
# Compilers are sorted by group of interoperability
# group 1 : fully compliant C++11 compiler
# gcc 4.8.1 and higher, clang >= 3.3
# group 1 : older gcc, ok with workaround
# group 2 : Intel 14.0 : almost C++11, but with Intel workaround
# group 3 : Intel 13.0 : messy compiler...
# group 0 : other
if ("${CMAKE_CXX_COMPILER_ID}" MATCHES "GNU")
EXECUTE_PROCESS(COMMAND ${CMAKE_CXX_COMPILER} --version
OUTPUT_VARIABLE _compiler_output RESULT_VARIABLE returncode OUTPUT_STRIP_TRAILING_WHITESPACE)
set(compiler_version_min "4.6.3")
set(compiler_name "gcc")
set(compiler_group 1)
string(REGEX REPLACE ".*([2-5]\\.[0-9]\\.[0-9]).*" "\\1" compiler_version ${_compiler_output})
if(NOT compiler_version VERSION_LESS "4.8.0" )
set(TRIQS_COMPILER_IS_C11_COMPLIANT ON)
endif()
elseif ("${CMAKE_CXX_COMPILER_ID}" MATCHES "Clang")
EXECUTE_PROCESS(COMMAND ${CMAKE_CXX_COMPILER} --version
OUTPUT_VARIABLE _compiler_output RESULT_VARIABLE returncode OUTPUT_STRIP_TRAILING_WHITESPACE)
set(CMAKE_COMPILER_IS_CLANG TRUE )
set(compiler_name "clang")
set(compiler_group 1)
set(TRIQS_COMPILER_IS_C11_COMPLIANT ON)
IF(${CMAKE_SYSTEM_NAME} MATCHES "Darwin")
# Apple which does not has the official clang version number ...
string(REGEX REPLACE ".*LLVM ([2-5]\\.[0-9]).*" "\\1" compiler_version ${_compiler_output})
#set( compiler_version_min "3.2")
else()
string(REGEX REPLACE ".*([2-5]\\.[0-9]).*" "\\1" compiler_version ${_compiler_output})
endif()
set( compiler_version_min "3.2")
elseif ("${CMAKE_CXX_COMPILER_ID}" MATCHES "Intel")
EXECUTE_PROCESS(COMMAND ${CMAKE_CXX_COMPILER} -dumpversion
OUTPUT_VARIABLE compiler_version RESULT_VARIABLE returncode OUTPUT_STRIP_TRAILING_WHITESPACE)
set(CMAKE_COMPILER_IS_ICC TRUE )
set(compiler_version_min "13.0.0")
set(compiler_name "Intel icc")
set(compiler_group 3)
#string(REGEX REPLACE "[^0-9]*([0-9]+\\.[0-9]\\.[0-9]).*" "\\1" compiler_version ${_compiler_output})
# for intel 14.0 /test
link_libraries( -lomp_db )
else ()
set(compiler_version_min "0.0")
set(compiler_group 0)
set(line_of_star "\n************************** WARNING ************************************\n")
MESSAGE( WARNING "${line_of_star} Compiler not recognized by TRIQS : TRIQS may compile .. or not ${line_of_star}")
#message(FATAL_ERROR "Your C++ compiler does not support C++11.")
endif ()
MESSAGE( STATUS "Compiler is ${compiler_name} with version ${compiler_version}")
# Check version
if(compiler_version VERSION_LESS ${compiler_version_min} )
set(line_of_star "\n************************** FATAL ERROR ************************************\n")
MESSAGE( FATAL_ERROR "${line_of_star}You are using the ${compiler_name} compiler but your compiler is too old :\n TRIQS requires version >= ${compiler_version_min} while you have ${compiler_version}\n ${line_of_star}")
endif(compiler_version VERSION_LESS ${compiler_version_min} )
# Now add some definitions ...
# on OS X : for clang, add the infamous -stdlib=libc++
IF(${CMAKE_SYSTEM_NAME} MATCHES "Darwin")
if (CMAKE_COMPILER_IS_CLANG)
set( CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -stdlib=libc++ ")
MESSAGE(STATUS "Adding compilation flags -stdlib=libc++ ")
set( CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wno-deprecated-writable-strings ")
else (CMAKE_COMPILER_IS_CLANG)
MESSAGE( WARNING "${line_of_star}You are on Os X but your are not using clang. This is NOT recommended...${line_of_star}")
endif (CMAKE_COMPILER_IS_CLANG)
ENDIF( ${CMAKE_SYSTEM_NAME} MATCHES "Darwin")
# for icc, add the very infamous flags or calculation of boost::math bessel function are wrong !!
# tested on boost 1.53
IF(CMAKE_COMPILER_IS_ICC)
set(TRIQS_WORKAROUND_INTEL_COMPILER_BUGS 1)
set(BOOST_MATH_DISABLE_STD_FPCLASSIFY 1)
#set(TRIQS_CXX_DEFINITIONS ${TRIQS_CXX_DEFINITIONS} -DTRIQS_WORKAROUND_INTEL_COMPILER_BUGS -DBOOST_MATH_DISABLE_STD_FPCLASSIFY)
#add_definitions( -DTRIQS_WORKAROUND_INTEL_COMPILER_BUGS -DBOOST_MATH_DISABLE_STD_FPCLASSIFY)
MESSAGE(STATUS " Adding compilation flags -DTRIQS_WORKAROUND_INTEL_COMPILER_BUGS -DBOOST_MATH_DISABLE_STD_FPCLASSIFY")
ENDIF(CMAKE_COMPILER_IS_ICC)