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[cmake] move FindLLVM to its own file

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This commit is contained in:
Martijn Berger
2015-05-06 12:35:41 +02:00
parent 69bf3a9e94
commit 3f04f64eea
2 changed files with 98 additions and 61 deletions
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65
CMakeLists.txt
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@@ -1059,70 +1059,13 @@ if(UNIX AND NOT APPLE)
endif()
endif()
# XXX Maybe most of this section should go into an llvm module?
if(WITH_LLVM)
find_package_wrapper(LLVM)
if(LLVM_ROOT_DIR)
if(NOT DEFINED LLVM_VERSION)
find_program(LLVM_CONFIG llvm-config-${LLVM_VERSION} HINTS ${LLVM_ROOT_DIR}/bin NO_CMAKE_PATH)
endif()
if(NOT LLVM_CONFIG)
find_program(LLVM_CONFIG llvm-config HINTS ${LLVM_ROOT_DIR}/bin NO_CMAKE_PATH)
endif()
else()
if(NOT DEFINED LLVM_VERSION)
find_program(LLVM_CONFIG llvm-config-${LLVM_VERSION})
endif()
if(NOT LLVM_CONFIG)
find_program(LLVM_CONFIG llvm-config)
endif()
if(NOT LLVM_FOUND)
set(WITH_LLVM OFF)
message(STATUS "LLVM not found")
endif()
if(NOT DEFINED LLVM_VERSION)
execute_process(COMMAND ${LLVM_CONFIG} --version
OUTPUT_VARIABLE LLVM_VERSION
OUTPUT_STRIP_TRAILING_WHITESPACE)
set(LLVM_VERSION ${LLVM_VERSION} CACHE STRING "Version of LLVM to use")
endif()
if(NOT DEFINED LLVM_ROOT_DIR)
execute_process(COMMAND ${LLVM_CONFIG} --prefix
OUTPUT_VARIABLE LLVM_ROOT_DIR
OUTPUT_STRIP_TRAILING_WHITESPACE)
set(LLVM_ROOT_DIR ${LLVM_ROOT_DIR} CACHE PATH "Path to the LLVM installation")
endif()
if(NOT DEFINED LLVM_LIBPATH)
execute_process(COMMAND ${LLVM_CONFIG} --libdir
OUTPUT_VARIABLE LLVM_LIBPATH
OUTPUT_STRIP_TRAILING_WHITESPACE)
set(LLVM_LIBPATH ${LLVM_LIBPATH} CACHE PATH "Path to the LLVM library path")
mark_as_advanced(LLVM_LIBPATH)
endif()
if(LLVM_STATIC)
find_library(LLVM_LIBRARY
NAMES LLVMAnalysis # first of a whole bunch of libs to get
PATHS ${LLVM_LIBPATH})
else()
find_library(LLVM_LIBRARY
NAMES LLVM-${LLVM_VERSION}
PATHS ${LLVM_LIBPATH})
endif()
if(LLVM_LIBRARY AND LLVM_ROOT_DIR AND LLVM_LIBPATH)
if(LLVM_STATIC)
# if static LLVM libraries were requested, use llvm-config to generate
# the list of what libraries we need, and substitute that in the right
# way for LLVM_LIBRARY.
execute_process(COMMAND ${LLVM_CONFIG} --libfiles
OUTPUT_VARIABLE LLVM_LIBRARY
OUTPUT_STRIP_TRAILING_WHITESPACE)
string(REPLACE " " ";" LLVM_LIBRARY "${LLVM_LIBRARY}")
endif()
else()
message(FATAL_ERROR "LLVM not found.")
endif()
endif()
if(WITH_LLVM OR WITH_SDL_DYNLOAD)