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b361cc8b51
We require LLVM 3.4 minimum, so if the user has something older make sure to not attempt compiling. Fixes issues #7858 and #7906.
23 lines
1 KiB
CMake
23 lines
1 KiB
CMake
# This file only exists because LLVM's cmake files are broken.
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# This affects both LLVM 3.4 and 3.5.
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# Hopefully when they fix their cmake system we don't need this garbage.
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list(APPEND LLVM_CONFIG_EXECUTABLES "llvm-config")
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list(APPEND LLVM_CONFIG_EXECUTABLES "llvm-config-3.5")
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list(APPEND LLVM_CONFIG_EXECUTABLES "llvm-config-3.4")
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foreach(LLVM_CONFIG_NAME ${LLVM_CONFIG_EXECUTABLES})
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find_program(LLVM_CONFIG_EXE NAMES ${LLVM_CONFIG_NAME})
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if (LLVM_CONFIG_EXE)
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execute_process(COMMAND ${LLVM_CONFIG_EXE} --version OUTPUT_VARIABLE LLVM_PACKAGE_VERSION
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OUTPUT_STRIP_TRAILING_WHITESPACE )
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if (${LLVM_PACKAGE_VERSION} VERSION_GREATER "3.3")
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set(LLVM_FOUND 1)
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execute_process(COMMAND ${LLVM_CONFIG_EXE} --includedir OUTPUT_VARIABLE LLVM_INCLUDE_DIRS
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OUTPUT_STRIP_TRAILING_WHITESPACE )
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execute_process(COMMAND ${LLVM_CONFIG_EXE} --ldflags OUTPUT_VARIABLE LLVM_LDFLAGS
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OUTPUT_STRIP_TRAILING_WHITESPACE )
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set(LLVM_LIBRARIES "${LLVM_LDFLAGS} -lLLVM-${LLVM_PACKAGE_VERSION}")
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break()
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endif()
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endif()
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endforeach()
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