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FindOpenMP: Cache compilation results

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This commit is contained in:
Christian Pfeiffer
2017-05-08 18:52:48 +02:00
parent ec5c6bc9bc
commit 80ca9ac84b
1 changed files with 10 additions and 12 deletions
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22
Modules/FindOpenMP.cmake
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@@ -157,7 +157,7 @@ endfunction()
include(${CMAKE_ROOT}/Modules/CMakeParseImplicitLinkInfo.cmake)
function(_OPENMP_GET_FLAGS LANG OPENMP_FLAG_VAR OPENMP_LIB_NAMES_VAR)
function(_OPENMP_GET_FLAGS LANG FLAG_MODE OPENMP_FLAG_VAR OPENMP_LIB_NAMES_VAR)
_OPENMP_FLAG_CANDIDATES("${LANG}")
_OPENMP_WRITE_SOURCE_FILE("${LANG}" "TEST_SOURCE" OpenMPTryFlag _OPENMP_TEST_SRC)
@@ -166,13 +166,13 @@ function(_OPENMP_GET_FLAGS LANG OPENMP_FLAG_VAR OPENMP_LIB_NAMES_VAR)
if(CMAKE_${LANG}_VERBOSE_FLAG)
string(APPEND OPENMP_FLAGS_TEST " ${CMAKE_${LANG}_VERBOSE_FLAG}")
endif()
try_compile( OpenMP_TRY_COMPILE_RESULT ${CMAKE_BINARY_DIR} ${_OPENMP_TEST_SRC}
string(REGEX REPLACE "[-/=+]" "" OPENMP_PLAIN_FLAG "${OPENMP_FLAG}")
try_compile( OpenMP_COMPILE_RESULT_${FLAG_MODE}_${OPENMP_PLAIN_FLAG} ${CMAKE_BINARY_DIR} ${_OPENMP_TEST_SRC}
CMAKE_FLAGS "-DCOMPILE_DEFINITIONS:STRING=${OPENMP_FLAGS_TEST}"
OUTPUT_VARIABLE OpenMP_TRY_COMPILE_OUTPUT
)
if(OpenMP_TRY_COMPILE_RESULT)
unset(OpenMP_TRY_COMPILE_RESULT CACHE)
if(OpenMP_COMPILE_RESULT_${FLAG_MODE}_${OPENMP_PLAIN_FLAG})
set("${OPENMP_FLAG_VAR}" "${OPENMP_FLAG}" PARENT_SCOPE)
if(CMAKE_${LANG}_VERBOSE_FLAG)
@@ -224,7 +224,6 @@ function(_OPENMP_GET_FLAGS LANG OPENMP_FLAG_VAR OPENMP_LIB_NAMES_VAR)
endif()
set("${OPENMP_LIB_NAMES_VAR}" "NOTFOUND" PARENT_SCOPE)
set("${OPENMP_FLAG_VAR}" "NOTFOUND" PARENT_SCOPE)
unset(OpenMP_TRY_COMPILE_RESULT CACHE)
endforeach()
endfunction()
@@ -270,19 +269,18 @@ function(_OPENMP_GET_SPEC_DATE LANG SPEC_DATE)
_OPENMP_WRITE_SOURCE_FILE("${LANG}" "CHECK_VERSION_SOURCE" OpenMPCheckVersion _OPENMP_TEST_SRC)
set(BIN_FILE "${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/FindOpenMP/ompver_${LANG}.bin")
try_compile(OpenMP_TRY_COMPILE_RESULT "${CMAKE_BINARY_DIR}" "${_OPENMP_TEST_SRC}"
string(REGEX REPLACE "[-/=+]" "" OPENMP_PLAIN_FLAG "${OPENMP_FLAG}")
try_compile(OpenMP_SPECTEST_${LANG}_${OPENMP_PLAIN_FLAG} "${CMAKE_BINARY_DIR}" "${_OPENMP_TEST_SRC}"
CMAKE_FLAGS "-DCOMPILE_DEFINITIONS:STRING=${OpenMP_${LANG}_FLAGS}"
COPY_FILE ${BIN_FILE})
if(${OpenMP_TRY_COMPILE_RESULT})
if(${OpenMP_SPECTEST_${LANG}_${OPENMP_PLAIN_FLAG}})
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} "${CMAKE_MATCH_1}" PARENT_SCOPE)
endif()
endif()
unset(OpenMP_TRY_COMPILE_RESULT CACHE)
endfunction()
macro(_OPENMP_SET_VERSION_BY_SPEC_DATE LANG)
@@ -323,7 +321,7 @@ foreach(LANG IN ITEMS C CXX)
if(CMAKE_${LANG}_COMPILER_LOADED)
if(NOT DEFINED OpenMP_${LANG}_FLAGS OR "${OpenMP_${LANG}_FLAGS}" STREQUAL "NOTFOUND"
OR NOT DEFINED OpenMP_${LANG}_LIB_NAMES OR "${OpenMP_${LANG}_LIB_NAMES}" STREQUAL "NOTFOUND")
_OPENMP_GET_FLAGS("${LANG}" OpenMP_${LANG}_FLAGS_WORK OpenMP_${LANG}_LIB_NAMES_WORK)
_OPENMP_GET_FLAGS("${LANG}" "${LANG}" OpenMP_${LANG}_FLAGS_WORK OpenMP_${LANG}_LIB_NAMES_WORK)
endif()
set(OpenMP_${LANG}_FLAGS "${OpenMP_${LANG}_FLAGS_WORK}"
@@ -339,7 +337,7 @@ if(CMAKE_Fortran_COMPILER_LOADED)
OR NOT DEFINED OpenMP_Fortran_LIB_NAMES OR "${OpenMP_Fortran_LIB_NAMES}" STREQUAL "NOTFOUND"
OR NOT DEFINED OpenMP_Fortran_HAVE_OMPLIB_MODULE)
set(OpenMP_Fortran_INCLUDE_LINE "use omp_lib\n implicit none")
_OPENMP_GET_FLAGS("Fortran" OpenMP_Fortran_FLAGS_WORK OpenMP_Fortran_LIB_NAMES_WORK)
_OPENMP_GET_FLAGS("Fortran" "FortranHeader" OpenMP_Fortran_FLAGS_WORK OpenMP_Fortran_LIB_NAMES_WORK)
if(OpenMP_Fortran_FLAGS_WORK)
set(OpenMP_Fortran_HAVE_OMPLIB_MODULE TRUE CACHE BOOL INTERNAL "")
endif()
@@ -355,7 +353,7 @@ if(CMAKE_Fortran_COMPILER_LOADED)
OR NOT DEFINED OpenMP_Fortran_LIB_NAMES OR "${OpenMP_Fortran_LIB_NAMES}" STREQUAL "NOTFOUND"
OR NOT DEFINED OpenMP_Fortran_HAVE_OMPLIB_HEADER)
set(OpenMP_Fortran_INCLUDE_LINE "implicit none\n include 'omp_lib.h'")
_OPENMP_GET_FLAGS("Fortran" OpenMP_Fortran_FLAGS_WORK OpenMP_Fortran_LIB_NAMES_WORK)
_OPENMP_GET_FLAGS("Fortran" "FortranModule" OpenMP_Fortran_FLAGS_WORK OpenMP_Fortran_LIB_NAMES_WORK)
if(OpenMP_Fortran_FLAGS_WORK)
set(OpenMP_Fortran_HAVE_OMPLIB_HEADER TRUE CACHE BOOL INTERNAL "")
endif()