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Use llvm-config to fix link error if llvm is pre-built locally static or shared #494

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Merged
merged 1 commit into from
Oct 8, 2023
Merged

Use llvm-config to fix link error if llvm is pre-built locally static or shared #494

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16 changes: 12 additions & 4 deletions CMakeLists.txt
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Original file line number Diff line number Diff line change
Expand Up @@ -292,10 +292,18 @@ else()
)
endif()

set(EXCLUDE_LIBS_FROM_ALL "" CACHE STRING "Space-separated list of LLVM libraries to exclude from all")
llvm_map_components_to_libnames(ALL_LLVM_LIBS all)
if (NOT "${EXCLUDE_LIBS_FROM_ALL}" STREQUAL "")
list(REMOVE_ITEM ALL_LLVM_LIBS ${EXCLUDE_LIBS_FROM_ALL})
if(USE_PREBUILT_LLVM AND UNIX)
# llvm_map_components_to_libnames(... all) returns empty string if llvm is
# pre-built locally in either static or shared type in Ubuntu 22.04 container.
execute_process(COMMAND llvm-config --libs all OUTPUT_VARIABLE ALL_LIBS)
string(REGEX REPLACE "( |\r|\n|-l)+" ";" ALL_LLVM_LIBS ${ALL_LIBS})
set(ALL_LLVM_LIBS "LLVMSPIRVLib${ALL_LLVM_LIBS}")
else()
llvm_map_components_to_libnames(ALL_LLVM_LIBS all)
endif()
set(OPENCL_CLANG_EXCLUDE_LIBS_FROM_ALL "" CACHE STRING "Space-separated list of LLVM libraries to exclude from all")
if (NOT "${OPENCL_CLANG_EXCLUDE_LIBS_FROM_ALL}" STREQUAL "")
list(REMOVE_ITEM ALL_LLVM_LIBS ${OPENCL_CLANG_EXCLUDE_LIBS_FROM_ALL})
endif()
list(APPEND OPENCL_CLANG_LINK_LIBS ${ALL_LLVM_LIBS})

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