Adds LLVM version check to cmake.

We require LLVM 3.4 minimum, so if the user has something older make sure to not attempt compiling.
Fixes issues #7858 and #7906.
This commit is contained in:
Ryan Houdek 2014-12-07 10:49:45 +00:00
parent 81cc177c44
commit b361cc8b51
1 changed files with 9 additions and 9 deletions

View File

@ -8,16 +8,16 @@ list(APPEND LLVM_CONFIG_EXECUTABLES "llvm-config-3.4")
foreach(LLVM_CONFIG_NAME ${LLVM_CONFIG_EXECUTABLES})
find_program(LLVM_CONFIG_EXE NAMES ${LLVM_CONFIG_NAME})
if (LLVM_CONFIG_EXE)
set(LLVM_FOUND 1)
execute_process(COMMAND ${LLVM_CONFIG_EXE} --includedir OUTPUT_VARIABLE LLVM_INCLUDE_DIRS
OUTPUT_STRIP_TRAILING_WHITESPACE )
execute_process(COMMAND ${LLVM_CONFIG_EXE} --ldflags OUTPUT_VARIABLE LLVM_LDFLAGS
OUTPUT_STRIP_TRAILING_WHITESPACE )
#execute_process(COMMAND ${LLVM_CONFIG_EXE} --libfiles Core OUTPUT_VARIABLE LLVM_LIBRARIES
# OUTPUT_STRIP_TRAILING_WHITESPACE )
execute_process(COMMAND ${LLVM_CONFIG_EXE} --version OUTPUT_VARIABLE LLVM_PACKAGE_VERSION
OUTPUT_STRIP_TRAILING_WHITESPACE )
set(LLVM_LIBRARIES "${LLVM_LDFLAGS} -lLLVM-${LLVM_PACKAGE_VERSION}")
break()
if (${LLVM_PACKAGE_VERSION} VERSION_GREATER "3.3")
set(LLVM_FOUND 1)
execute_process(COMMAND ${LLVM_CONFIG_EXE} --includedir OUTPUT_VARIABLE LLVM_INCLUDE_DIRS
OUTPUT_STRIP_TRAILING_WHITESPACE )
execute_process(COMMAND ${LLVM_CONFIG_EXE} --ldflags OUTPUT_VARIABLE LLVM_LDFLAGS
OUTPUT_STRIP_TRAILING_WHITESPACE )
set(LLVM_LIBRARIES "${LLVM_LDFLAGS} -lLLVM-${LLVM_PACKAGE_VERSION}")
break()
endif()
endif()
endforeach()