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Die if GNU is older than 4.4. OpenMP is always enabled. 

git-svn-id: https://subversion.assembla.com/svn/qmcdev/trunk@5874 e5b18d87-469d-4833-9cc0-8cdfa06e9491
This commit is contained in:
Jeongnim Kim 2013-05-30 17:34:20 +00:00
parent 00ec9ef7d5
commit 301fb6fab5
1 changed files with 17 additions and 11 deletions
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28
CMake/GNUCompilers.cmake
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@ -1,10 +1,26 @@
#GNU compilers
IF(CMAKE_COMPILER_IS_GNUCXX)
exec_program(${CMAKE_C_COMPILER} ARGS "-dumpversion" OUTPUT_VARIABLE _gcc_version_info)
string(REGEX REPLACE "^([0-9]+).*$" "\\1" GCC_MAJOR ${_gcc_version_info})
string(REGEX REPLACE "^[0-9]+\\.([0-9]+).*$" "\\1" GCC_MINOR ${_gcc_version_info})
string(REGEX REPLACE "^[0-9]+\\.[0-9]+\\.([0-9]+).*$" "\\1" GCC_PATCH ${_gcc_version_info})
if(${GCC_MAJOR} LESS 4)
MESSAGE(FATAL_ERROR "Require gcc 4.4 or higher ")
endif()
if(${GCC_MINOR} LESS 4)
MESSAGE(FATAL_ERROR "Require gcc 4.4 or higher ")
endif()
SET(ENABLE_OPENMP 1)
ADD_DEFINITIONS(-Drestrict=__restrict__ -DADD_ -DINLINE_ALL=inline)
# SET(CMAKE_CXX_FLAGS "-O3 -ftemplate-depth-60 -Drestrict=__restrict__ -fstrict-aliasing -funroll-all-loops -finline-limit=1000 -ffast-math -Wno-deprecated ")
# SET(CMAKE_CXX_FLAGS "-g -O3 -ftemplate-depth-60 -Drestrict=__restrict__ -funroll-all-loops -finline-limit=1000 -Wno-deprecated ")
set(GNU_FLAGS "-malign-double -fomit-frame-pointer -ffast-math -fopenmp -O3 -finline-limit=1000 -fstrict-aliasing -funroll-all-loops -Wno-deprecated ")
SET(CMAKE_CXX_FLAGS "${GNU_FLAGS} -ftemplate-depth=60")
SET(CMAKE_CXX_FLAGS "${GNU_FLAGS}") # -ftemplate-depth=60")
SET(CMAKE_C_FLAGS "${GNU_FLAGS} -std=c99")
IF(HAVE_POSIX_MEMALIGN)
@ -63,16 +79,6 @@ IF(CMAKE_COMPILER_IS_GNUCXX)
SET(F77 g77)
SET(F77FLAGS -funroll-loops -O3)
ENDIF(${CMAKE_SYSTEM_NAME} MATCHES "Darwin")
# INCLUDE(${CMAKE_ROOT}/Modules/TestCXXAcceptsFlag.cmake)
#IF(QMC_OMP)
SET(CMAKE_TRY_OPENMP_CXX_FLAGS "-fopenmp")
CHECK_CXX_ACCEPTS_FLAG(${CMAKE_TRY_OPENMP_CXX_FLAGS} GNU_OPENMP_FLAGS)
IF(GNU_OPENMP_FLAGS)
SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${CMAKE_TRY_OPENMP_CXX_FLAGS}")
SET(ENABLE_OPENMP 1)
ENDIF(GNU_OPENMP_FLAGS)
#ENDIF(QMC_OMP)
IF(QMC_BUILD_STATIC)
SET(CMAKE_CXX_LINK_FLAGS " -static")