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Use find_program to find llvm-config #498

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Use find_program to find llvm-config #498

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8611c65
Use find_program to find llvm-config
wenju-he Oct 30, 2023
51ec40c
use PREFERRED_LLVM_VERSION
wenju-he Oct 30, 2023
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9 changes: 8 additions & 1 deletion CMakeLists.txt
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Original file line number Diff line number Diff line change
Expand Up @@ -301,7 +301,14 @@ endif()
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)
find_program(LLVM_CONFIG_EXE
NAMES llvm-config-${PREFERRED_LLVM_VERSION} llvm-config
PATHS ${LLVM_BINARY_DIR} ${LLVM_BINARY_DIR}/bin)
if(NOT LLVM_CONFIG_EXE)
message(FATAL_ERROR "[OPENCL-CLANG] llvm-config is not found")
endif()

execute_process(COMMAND ${LLVM_CONFIG_EXE} --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()
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