[OpenMP] Fix multiply installing libomp.so (#93685)

jhuber6 · web-flow · commit df9701bfee2b · 2024-05-29T08:57:16.000-05:00
Summary:
The `add_llvm_library` interface handles installing the llvm libraries,
however we want to do our own handling. Otherwise, this will install
into the `./lib` location instead of the `./lib/&lt;target&gt;` one.
diff --git a/openmp/runtime/src/CMakeLists.txt b/openmp/runtime/src/CMakeLists.txt
@@ -177,6 +177,7 @@ else()
   add_llvm_library(omp ${LIBOMP_LIBRARY_KIND} ${LIBOMP_SOURCE_FILES} PARTIAL_SOURCES_INTENDED
     LINK_LIBS ${LIBOMP_CONFIGURED_LIBFLAGS} ${LIBOMP_DL_LIBS}
     LINK_COMPONENTS Support
+    BUILDTREE_ONLY
     )
   # libomp must be a C++ library such that it can link libLLVMSupport
   set(LIBOMP_LINKER_LANGUAGE CXX)

Original file line number	Diff line number	Diff line change
`@@ -177,6 +177,7 @@ else()`
`177`	`177`	`add_llvm_library(omp ${LIBOMP_LIBRARY_KIND} ${LIBOMP_SOURCE_FILES} PARTIAL_SOURCES_INTENDED`
`178`	`178`	`LINK_LIBS ${LIBOMP_CONFIGURED_LIBFLAGS} ${LIBOMP_DL_LIBS}`
`179`	`179`	`LINK_COMPONENTS Support`
	`180`	`+ BUILDTREE_ONLY`
`180`	`181`	`)`
`181`	`182`	`# libomp must be a C++ library such that it can link libLLVMSupport`
`182`	`183`	`set(LIBOMP_LINKER_LANGUAGE CXX)`