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Commit 624110b9 authored by Brad King's avatar Brad King
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FindBLAS: Revert "Do not statically link against iomp5 ... Intel MKL" 

Since commit 20ab5045 (FindBLAS: Do not statically link against iomp5
in the case of Intel MKL, 2021-04-11), we no longer find MKL's BLAS when
using the GNU compiler because FindOpenMP chooses libgomp instead of
libiomp5, and mkl_intel_thread depends on the latter.  Revert the change
for now.  A new approach will be needed to solve the original problem.

Issue: #21811
parent b6faa5e2
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with 7 additions and 16 deletions
Modules/FindBLAS.cmake
+ 7
− 16
View file @ 624110b9
......@@ -337,21 +337,12 @@ if(BLA_VENDOR MATCHES "Intel" OR BLA_VENDOR STREQUAL "All")
if(CMAKE_Fortran_COMPILER_LOADED AND CMAKE_Fortran_COMPILER_ID STREQUAL "GNU" AND NOT APPLE)
set(BLAS_mkl_INTFACE "gf")
set(BLAS_mkl_THREADING "gnu")
set(BLAS_mkl_OMP "gomp")
else()
set(BLAS_mkl_INTFACE "intel")
set(BLAS_mkl_THREADING "intel")
set(BLAS_mkl_OMP "iomp5")
endif()
foreach(lang IN ITEMS C CXX Fortran)
if(CMAKE_${lang}_COMPILER_LOADED)
find_package(OpenMP COMPONENTS ${lang})
if(${OpenMP_${lang}_FOUND})
set(BLAS_mkl_OMP ${OpenMP_${lang}_LIBRARIES})
break()
endif()
endif()
endforeach()
set(BLAS_mkl_LM "-lm")
set(BLAS_mkl_LDL "-ldl")
endif()
......@@ -416,7 +407,7 @@ if(BLA_VENDOR MATCHES "Intel" OR BLA_VENDOR STREQUAL "All")
# mkl >= 10.3
list(APPEND BLAS_SEARCH_LIBS
"${BLAS_mkl_START_GROUP} mkl_blas95 mkl_${BLAS_mkl_INTFACE} mkl_${BLAS_mkl_THREADING}_thread mkl_core ${BLAS_mkl_END_GROUP}")
"${BLAS_mkl_START_GROUP} mkl_blas95 mkl_${BLAS_mkl_INTFACE} mkl_${BLAS_mkl_THREADING}_thread mkl_core ${BLAS_mkl_END_GROUP} ${BLAS_mkl_OMP}")
endif()
if(BLA_VENDOR MATCHES "^Intel10_64i?lp$" OR BLA_VENDOR STREQUAL "All")
# old version
......@@ -425,7 +416,7 @@ if(BLA_VENDOR MATCHES "Intel" OR BLA_VENDOR STREQUAL "All")
# mkl >= 10.3
list(APPEND BLAS_SEARCH_LIBS
"${BLAS_mkl_START_GROUP} mkl_blas95_${BLAS_mkl_ILP_MODE} mkl_${BLAS_mkl_INTFACE}_${BLAS_mkl_ILP_MODE} mkl_${BLAS_mkl_THREADING}_thread mkl_core ${BLAS_mkl_END_GROUP}")
"${BLAS_mkl_START_GROUP} mkl_blas95_${BLAS_mkl_ILP_MODE} mkl_${BLAS_mkl_INTFACE}_${BLAS_mkl_ILP_MODE} mkl_${BLAS_mkl_THREADING}_thread mkl_core ${BLAS_mkl_END_GROUP} ${BLAS_mkl_OMP}")
endif()
if(BLA_VENDOR MATCHES "^Intel10_64i?lp_seq$" OR BLA_VENDOR STREQUAL "All")
list(APPEND BLAS_SEARCH_LIBS
......@@ -481,7 +472,7 @@ if(BLA_VENDOR MATCHES "Intel" OR BLA_VENDOR STREQUAL "All")
# mkl >= 10.3
list(APPEND BLAS_SEARCH_LIBS
"${BLAS_mkl_START_GROUP} mkl_${BLAS_mkl_INTFACE} mkl_${BLAS_mkl_THREADING}_thread mkl_core ${BLAS_mkl_END_GROUP}")
"${BLAS_mkl_START_GROUP} mkl_${BLAS_mkl_INTFACE} mkl_${BLAS_mkl_THREADING}_thread mkl_core ${BLAS_mkl_END_GROUP} ${BLAS_mkl_OMP}")
endif()
if(BLA_VENDOR MATCHES "^Intel10_64i?lp$" OR BLA_VENDOR STREQUAL "All")
# old version
......@@ -490,7 +481,7 @@ if(BLA_VENDOR MATCHES "Intel" OR BLA_VENDOR STREQUAL "All")
# mkl >= 10.3
list(APPEND BLAS_SEARCH_LIBS
"${BLAS_mkl_START_GROUP} mkl_${BLAS_mkl_INTFACE}_${BLAS_mkl_ILP_MODE} mkl_${BLAS_mkl_THREADING}_thread mkl_core ${BLAS_mkl_END_GROUP}")
"${BLAS_mkl_START_GROUP} mkl_${BLAS_mkl_INTFACE}_${BLAS_mkl_ILP_MODE} mkl_${BLAS_mkl_THREADING}_thread mkl_core ${BLAS_mkl_END_GROUP} ${BLAS_mkl_OMP}")
endif()
if(BLA_VENDOR MATCHES "^Intel10_64i?lp_seq$" OR BLA_VENDOR STREQUAL "All")
list(APPEND BLAS_SEARCH_LIBS
......@@ -553,7 +544,7 @@ if(BLA_VENDOR MATCHES "Intel" OR BLA_VENDOR STREQUAL "All")
${BLAS_mkl_SEARCH_SYMBOL}
""
"${SEARCH_LIBS}"
"${BLAS_mkl_OMP};${CMAKE_THREAD_LIBS_INIT};${BLAS_mkl_LM};${BLAS_mkl_LDL}"
"${CMAKE_THREAD_LIBS_INIT};${BLAS_mkl_LM};${BLAS_mkl_LDL}"
"${BLAS_mkl_MKLROOT}"
"${BLAS_mkl_LIB_PATH_SUFFIXES}"
)
......
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