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FindOpenMP: Fix version if OpenMP doesn't work

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This commit is contained in:
Christian Pfeiffer 2017-10-04 18:28:47 +02:00
parent e2f05c7310
commit 3120615739
1 changed files with 6 additions and 2 deletions
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8
Modules/FindOpenMP.cmake
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@ -310,7 +310,11 @@ macro(_OPENMP_SET_VERSION_BY_SPEC_DATE LANG)
"199710=1.0"
)
string(REGEX MATCHALL "${OpenMP_${LANG}_SPEC_DATE}=([0-9]+)\\.([0-9]+)" _version_match "${OpenMP_SPEC_DATE_MAP}")
if(OpenMP_${LANG}_SPEC_DATE)
string(REGEX MATCHALL "${OpenMP_${LANG}_SPEC_DATE}=([0-9]+)\\.([0-9]+)" _version_match "${OpenMP_SPEC_DATE_MAP}")
else()
set(_version_match "")
endif()
if(NOT _version_match STREQUAL "")
set(OpenMP_${LANG}_VERSION_MAJOR ${CMAKE_MATCH_1})
set(OpenMP_${LANG}_VERSION_MINOR ${CMAKE_MATCH_2})
@ -389,7 +393,7 @@ unset(_OpenMP_MIN_VERSION)
foreach(LANG IN LISTS OpenMP_FINDLIST)
if(CMAKE_${LANG}_COMPILER_LOADED)
if (NOT OpenMP_${LANG}_SPEC_DATE)
if (NOT OpenMP_${LANG}_SPEC_DATE AND OpenMP_${LANG}_FLAGS)
_OPENMP_GET_SPEC_DATE("${LANG}" OpenMP_${LANG}_SPEC_DATE_INTERNAL)
set(OpenMP_${LANG}_SPEC_DATE "${OpenMP_${LANG}_SPEC_DATE_INTERNAL}" CACHE
INTERNAL "${LANG} compiler's OpenMP specification date")