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authorBalthasar Reuter <github@re-web.eu>2022-07-19 12:11:02 -0400
committerBrad King <brad.king@kitware.com>2022-07-20 12:21:38 -0400
commit878655384e3d35da0d7ce03001e23c1ce02a6530 (patch)
tree50e8264eeb5ada23a1414b76f7668bdc72693736 /Modules/FindOpenMP.cmake
parent0f65ab5bcb66f94e5ab20b095d5a3296a36ccd02 (diff)
downloadcmake-878655384e3d35da0d7ce03001e23c1ce02a6530.tar.gz
FindOpenMP: Do not overwrite user-set FLAGS, LIB_NAMES
Since commit 2dbff623f9 (FindOpenMP: Save flags/libs in cache entries each time they are detected, 2020-02-07, v3.17.0-rc1~10^2~1) we replace both `OpenMP_${LANG}_FLAGS` and `OpenMP_${LANG}_LIB_NAMES` with detected flags if either one is not set. That can overwrite user-provided flags. Update the logic for C, CXX, and Fortran to initialize each `OpenMP_${LANG}_{FLAGS,LIB_NAMES}` variable only if it has not already been set by the user. Fixes: #23743
Diffstat (limited to 'Modules/FindOpenMP.cmake')
-rw-r--r--Modules/FindOpenMP.cmake37
1 files changed, 24 insertions, 13 deletions
diff --git a/Modules/FindOpenMP.cmake b/Modules/FindOpenMP.cmake
index d19624e3a3..0590a28e05 100644
--- a/Modules/FindOpenMP.cmake
+++ b/Modules/FindOpenMP.cmake
@@ -477,10 +477,14 @@ foreach(LANG IN ITEMS C CXX)
if(NOT DEFINED OpenMP_${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}" "${LANG}" OpenMP_${LANG}_FLAGS_WORK OpenMP_${LANG}_LIB_NAMES_WORK)
- set(OpenMP_${LANG}_FLAGS "${OpenMP_${LANG}_FLAGS_WORK}"
- CACHE STRING "${LANG} compiler flags for OpenMP parallelization" FORCE)
- set(OpenMP_${LANG}_LIB_NAMES "${OpenMP_${LANG}_LIB_NAMES_WORK}"
- CACHE STRING "${LANG} compiler libraries for OpenMP parallelization" FORCE)
+ if(NOT DEFINED OpenMP_${LANG}_FLAGS OR "${OpenMP_${LANG}_FLAGS}" STREQUAL "NOTFOUND")
+ set(OpenMP_${LANG}_FLAGS "${OpenMP_${LANG}_FLAGS_WORK}"
+ CACHE STRING "${LANG} compiler flags for OpenMP parallelization" FORCE)
+ endif()
+ if(NOT DEFINED OpenMP_${LANG}_LIB_NAMES OR "${OpenMP_${LANG}_LIB_NAMES}" STREQUAL "NOTFOUND")
+ set(OpenMP_${LANG}_LIB_NAMES "${OpenMP_${LANG}_LIB_NAMES_WORK}"
+ CACHE STRING "${LANG} compiler libraries for OpenMP parallelization" FORCE)
+ endif()
mark_as_advanced(OpenMP_${LANG}_FLAGS OpenMP_${LANG}_LIB_NAMES)
endif()
endif()
@@ -496,10 +500,14 @@ if(CMAKE_Fortran_COMPILER_LOADED)
set(OpenMP_Fortran_HAVE_OMPLIB_MODULE TRUE CACHE BOOL INTERNAL "")
endif()
- set(OpenMP_Fortran_FLAGS "${OpenMP_Fortran_FLAGS_WORK}"
- CACHE STRING "Fortran compiler flags for OpenMP parallelization")
- set(OpenMP_Fortran_LIB_NAMES "${OpenMP_Fortran_LIB_NAMES_WORK}"
- CACHE STRING "Fortran compiler libraries for OpenMP parallelization")
+ if(NOT DEFINED OpenMP_Fortran_FLAGS OR "${OpenMP_Fortran_FLAGS}" STREQUAL "NOTFOUND")
+ set(OpenMP_Fortran_FLAGS "${OpenMP_Fortran_FLAGS_WORK}"
+ CACHE STRING "Fortran compiler flags for OpenMP parallelization" FORCE)
+ endif()
+ if(NOT DEFINED OpenMP_Fortran_LIB_NAMES OR "${OpenMP_Fortran_LIB_NAMES}" STREQUAL "NOTFOUND")
+ set(OpenMP_Fortran_LIB_NAMES "${OpenMP_Fortran_LIB_NAMES_WORK}"
+ CACHE STRING "Fortran compiler libraries for OpenMP parallelization" FORCE)
+ endif()
mark_as_advanced(OpenMP_Fortran_FLAGS OpenMP_Fortran_LIB_NAMES)
endif()
@@ -512,11 +520,14 @@ if(CMAKE_Fortran_COMPILER_LOADED)
set(OpenMP_Fortran_HAVE_OMPLIB_HEADER TRUE CACHE BOOL INTERNAL "")
endif()
- set(OpenMP_Fortran_FLAGS "${OpenMP_Fortran_FLAGS_WORK}"
- CACHE STRING "Fortran compiler flags for OpenMP parallelization")
-
- set(OpenMP_Fortran_LIB_NAMES "${OpenMP_Fortran_LIB_NAMES}"
- CACHE STRING "Fortran compiler libraries for OpenMP parallelization")
+ if(NOT DEFINED OpenMP_Fortran_FLAGS OR "${OpenMP_Fortran_FLAGS}" STREQUAL "NOTFOUND")
+ set(OpenMP_Fortran_FLAGS "${OpenMP_Fortran_FLAGS_WORK}"
+ CACHE STRING "Fortran compiler flags for OpenMP parallelization" FORCE)
+ endif()
+ if(NOT DEFINED OpenMP_Fortran_LIB_NAMES OR "${OpenMP_Fortran_LIB_NAMES}" STREQUAL "NOTFOUND")
+ set(OpenMP_Fortran_LIB_NAMES "${OpenMP_Fortran_LIB_NAMES_WORK}"
+ CACHE STRING "Fortran compiler libraries for OpenMP parallelization" FORCE)
+ endif()
endif()
if(OpenMP_Fortran_HAVE_OMPLIB_MODULE)