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[cmake] Make libgomp & libiomp5 alias install optional 

Introduce a new LIBOMP_INSTALL_VARIABLES cache variable that can be used
to disable creating libgomp and libiomp5 aliases on 'make install'.
Those aliases are undesired e.g. on Gentoo systems where libomp is used
purely by clang.

Differential Revision: https://reviews.llvm.org/D24563

llvm-svn: 281512
This commit is contained in:
Michal Gorny 2016-09-14 17:46:27 +00:00
parent a8c46ce608
commit 23132ebb0e
2 changed files with 13 additions and 7 deletions
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4
openmp/runtime/CMakeLists.txt
View File

@ -340,6 +340,10 @@ endif()
set(LIBOMP_LIB_FILE ${LIBOMP_LIB_NAME}${LIBOMP_LIBRARY_SUFFIX})
# Optional backwards compatibility aliases.
set(LIBOMP_INSTALL_ALIASES TRUE CACHE BOOL
"Install libgomp and libiomp5 library aliases for backwards compatibility")
# Print configuration after all variables are set.
if(${LIBOMP_STANDALONE_BUILD})
libomp_say("Operating System -- ${CMAKE_SYSTEM_NAME}")

16
openmp/runtime/src/CMakeLists.txt
View File

@ -305,13 +305,15 @@ else()
install(TARGETS omp ${LIBOMP_INSTALL_KIND} DESTINATION lib${LIBOMP_LIBDIR_SUFFIX})
# Create aliases (symlinks) of the library for backwards compatibility
set(LIBOMP_ALIASES "libgomp;libiomp5")
foreach(alias IN LISTS LIBOMP_ALIASES)
install(CODE "execute_process(COMMAND \"\${CMAKE_COMMAND}\" -E create_symlink \"${LIBOMP_LIB_FILE}\"
\"${alias}${LIBOMP_LIBRARY_SUFFIX}\" WORKING_DIRECTORY
\$ENV{DESTDIR}\${CMAKE_INSTALL_PREFIX}/lib${LIBOMP_LIBDIR_SUFFIX})")
endforeach()
if(${LIBOMP_INSTALL_ALIASES})
# Create aliases (symlinks) of the library for backwards compatibility
set(LIBOMP_ALIASES "libgomp;libiomp5")
foreach(alias IN LISTS LIBOMP_ALIASES)
install(CODE "execute_process(COMMAND \"\${CMAKE_COMMAND}\" -E create_symlink \"${LIBOMP_LIB_FILE}\"
\"${alias}${LIBOMP_LIBRARY_SUFFIX}\" WORKING_DIRECTORY
\$ENV{DESTDIR}\${CMAKE_INSTALL_PREFIX}/lib${LIBOMP_LIBDIR_SUFFIX})")
endforeach()
endif()
endif()
install(
FILES