diff options
Diffstat (limited to 'Modules/FindOpenMP.cmake')
| -rw-r--r-- | Modules/FindOpenMP.cmake | 102 |
1 files changed, 102 insertions, 0 deletions
diff --git a/Modules/FindOpenMP.cmake b/Modules/FindOpenMP.cmake index 768db12..a788832 100644 --- a/Modules/FindOpenMP.cmake +++ b/Modules/FindOpenMP.cmake @@ -20,6 +20,19 @@ # Flags to add to the Fortran compiler for OpenMP support. # ``OPENMP_FOUND`` # True if openmp is detected. +# +# The following internal variables are set, if detected: +# +# ``OpenMP_C_SPEC_DATE`` +# Specification date of OpenMP version of C compiler. +# ``OpenMP_CXX_SPEC_DATE`` +# Specification date of OpenMP version of CXX compiler. +# ``OpenMP_Fortran_SPEC_DATE`` +# Specification date of OpenMP version of Fortran compiler. +# +# The specification dates are formatted as integers of the form +# ``CCYYMM`` where these represent the decimal digits of the century, +# year, and month. #============================================================================= # Copyright 2009 Kitware, Inc. @@ -119,6 +132,75 @@ set(OpenMP_Fortran_TEST_SOURCE " ) +set(OpenMP_C_CXX_CHECK_VERSION_SOURCE +" +#include <stdio.h> +#include <omp.h> +const char ompver_str[] = { 'I', 'N', 'F', 'O', ':', 'O', 'p', 'e', 'n', 'M', + 'P', '-', 'd', 'a', 't', 'e', '[', + ('0' + ((_OPENMP/100000)%10)), + ('0' + ((_OPENMP/10000)%10)), + ('0' + ((_OPENMP/1000)%10)), + ('0' + ((_OPENMP/100)%10)), + ('0' + ((_OPENMP/10)%10)), + ('0' + ((_OPENMP/1)%10)), + ']', '\\0' }; +int main(int argc, char *argv[]) +{ + printf(\"%s\\n\", ompver_str); + return 0; +} +") + +set(OpenMP_Fortran_CHECK_VERSION_SOURCE +" + program omp_ver + use omp_lib + integer, parameter :: zero = ichar('0') + integer, parameter :: ompv = openmp_version + character, dimension(24), parameter :: ompver_str =& + (/ 'I', 'N', 'F', 'O', ':', 'O', 'p', 'e', 'n', 'M', 'P', '-',& + 'd', 'a', 't', 'e', '[',& + char(zero + mod(ompv/100000, 10)),& + char(zero + mod(ompv/10000, 10)),& + char(zero + mod(ompv/1000, 10)),& + char(zero + mod(ompv/100, 10)),& + char(zero + mod(ompv/10, 10)),& + char(zero + mod(ompv/1, 10)), ']' /) + print *, ompver_str + end program omp_ver +") + +function(_OPENMP_GET_SPEC_DATE LANG SPEC_DATE) + set(WORK_DIR ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/FindOpenMP) + if("${LANG}" STREQUAL "C") + set(SRC_FILE ${WORK_DIR}/ompver.c) + file(WRITE ${SRC_FILE} "${OpenMP_C_CXX_CHECK_VERSION_SOURCE}") + elseif("${LANG}" STREQUAL "CXX") + set(SRC_FILE ${WORK_DIR}/ompver.cpp) + file(WRITE ${SRC_FILE} "${OpenMP_C_CXX_CHECK_VERSION_SOURCE}") + else() # ("${LANG}" STREQUAL "Fortran") + set(SRC_FILE ${WORK_DIR}/ompver.f90) + file(WRITE ${SRC_FILE} "${OpenMP_Fortran_CHECK_VERSION_SOURCE}") + endif() + + set(BIN_FILE ${WORK_DIR}/ompver_${LANG}.bin) + try_compile(OpenMP_TRY_COMPILE_RESULT ${CMAKE_BINARY_DIR} ${SRC_FILE} + CMAKE_FLAGS "-DCOMPILE_DEFINITIONS:STRING=${OpenMP_${LANG}_FLAGS}" + COPY_FILE ${BIN_FILE}) + + if(${OpenMP_TRY_COMPILE_RESULT}) + file(STRINGS ${BIN_FILE} specstr LIMIT_COUNT 1 REGEX "INFO:OpenMP-date") + set(regex_spec_date ".*INFO:OpenMP-date\\[0*([^]]*)\\].*") + if("${specstr}" MATCHES "${regex_spec_date}") + set(${SPEC_DATE} "${CMAKE_MATCH_1}" PARENT_SCOPE) + endif() + endif() + + unset(OpenMP_TRY_COMPILE_RESULT CACHE) +endfunction() + + # check c compiler if(CMAKE_C_COMPILER_LOADED) # if these are set then do not try to find them again, @@ -150,6 +232,12 @@ if(CMAKE_C_COMPILER_LOADED) list(APPEND _OPENMP_REQUIRED_VARS OpenMP_C_FLAGS) unset(OpenMP_C_FLAG_CANDIDATES) + + if (NOT OpenMP_C_SPEC_DATE) + _OPENMP_GET_SPEC_DATE("C" OpenMP_C_SPEC_DATE_INTERNAL) + set(OpenMP_C_SPEC_DATE "${OpenMP_C_SPEC_DATE_INTERNAL}" CACHE + INTERNAL "C compiler's OpenMP specification date") + endif() endif() # check cxx compiler @@ -186,6 +274,12 @@ if(CMAKE_CXX_COMPILER_LOADED) list(APPEND _OPENMP_REQUIRED_VARS OpenMP_CXX_FLAGS) unset(OpenMP_CXX_FLAG_CANDIDATES) + + if (NOT OpenMP_CXX_SPEC_DATE) + _OPENMP_GET_SPEC_DATE("CXX" OpenMP_CXX_SPEC_DATE_INTERNAL) + set(OpenMP_CXX_SPEC_DATE "${OpenMP_CXX_SPEC_DATE_INTERNAL}" CACHE + INTERNAL "C++ compiler's OpenMP specification date") + endif() endif() # check Fortran compiler @@ -219,6 +313,12 @@ if(CMAKE_Fortran_COMPILER_LOADED) list(APPEND _OPENMP_REQUIRED_VARS OpenMP_Fortran_FLAGS) unset(OpenMP_Fortran_FLAG_CANDIDATES) + + if (NOT OpenMP_Fortran_SPEC_DATE) + _OPENMP_GET_SPEC_DATE("Fortran" OpenMP_Fortran_SPEC_DATE_INTERNAL) + set(OpenMP_Fortran_SPEC_DATE "${OpenMP_Fortran_SPEC_DATE_INTERNAL}" CACHE + INTERNAL "Fortran compiler's OpenMP specification date") + endif() endif() set(CMAKE_REQUIRED_QUIET ${CMAKE_REQUIRED_QUIET_SAVE}) @@ -239,3 +339,5 @@ endif() unset(OpenMP_C_TEST_SOURCE) unset(OpenMP_CXX_TEST_SOURCE) unset(OpenMP_Fortran_TEST_SOURCE) +unset(OpenMP_C_CXX_CHECK_VERSION_SOURCE) +unset(OpenMP_Fortran_CHECK_VERSION_SOURCE) |