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https://github.com/dolphin-emu/dolphin.git
synced 2024-11-15 05:47:56 -07:00
ff907ce0d1
Adds a link check in to the LLVM find script to make sure it can actually link against the library it finds. Noticed this issue since I have a non-standard LLVM version built and installed.
45 lines
1.6 KiB
CMake
45 lines
1.6 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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include(CheckLibraryExists)
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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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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 ${LLVM_CONFIG_EXE} --ldflags OUTPUT_VARIABLE LLVM_LDFLAGS
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OUTPUT_STRIP_TRAILING_WHITESPACE )
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check_library_exists(LLVM-${LLVM_PACKAGE_VERSION} LLVMVerifyFunction "${LLVM_LDFLAGS}" HAVE_DYNAMIC_LLVM_${LLVM_PACKAGE_VERSION})
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if (HAVE_DYNAMIC_LLVM_${LLVM_PACKAGE_VERSION})
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set(LLVM_LIBRARIES "${LLVM_LDFLAGS} -lLLVM-${LLVM_PACKAGE_VERSION}")
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set(CMAKE_REQUIRED_LIBRARIES ${LLVM_LIBRARIES})
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CHECK_CXX_SOURCE_COMPILES(
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"#include <llvm-c/Disassembler.h>
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#include <llvm-c/Target.h>
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int main(int argc, char **argv)
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{
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LLVMInitializeAllTargetInfos();
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LLVMInitializeAllTargetMCs();
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LLVMInitializeAllDisassemblers();
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return 0;
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}"
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LLVM_FOUND)
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unset(CMAKE_REQUIRED_LIBRARIES)
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if (LLVM_FOUND)
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break()
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endif()
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endif()
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endif()
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endif()
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endforeach()
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