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Out of tree build support: Set TARGET_TRIPLE from the result of "llvm-config --host-target"

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instead of loading the "LLVMConfig.cmake" which is only installed when
  llvm configured by cmake.

llvm-svn: 153503
This commit is contained in:
Hongbin Zheng 2012-03-27 07:56:07 +00:00
parent 1fcf5bcae1
commit b7c07f3c2e
1 changed files with 22 additions and 2 deletions
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24
polly/CMakeLists.txt
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@ -20,8 +20,23 @@ if (NOT DEFINED LLVM_MAIN_SRC_DIR)
# Add the llvm header path.
include_directories(${LLVM_INSTALL_ROOT}/include/)
# Load the configuration of the installed llvm.
include(${LLVM_INSTALL_ROOT}/share/llvm/cmake/LLVMConfig.cmake)
# Get the system librarys that will link into LLVM.
function(get_system_libs return_var)
# Returns in `return_var' a list of system libraries used by LLVM.
if( NOT MSVC )
if( MINGW )
set(system_libs ${system_libs} imagehlp psapi)
elseif( CMAKE_HOST_UNIX )
if( HAVE_LIBDL )
set(system_libs ${system_libs} ${CMAKE_DL_LIBS})
endif()
if( LLVM_ENABLE_THREADS AND HAVE_LIBPTHREAD )
set(system_libs ${system_libs} pthread)
endif()
endif( MINGW )
endif( NOT MSVC )
set(${return_var} ${system_libs} PARENT_SCOPE)
endfunction(get_system_libs)
# Now set the header paths.
execute_process(COMMAND "${LLVM_INSTALL_ROOT}/bin/llvm-config" --includedir
@ -29,6 +44,11 @@ if (NOT DEFINED LLVM_MAIN_SRC_DIR)
OUTPUT_STRIP_TRAILING_WHITESPACE)
include_directories( ${LLVM_INCLUDE_DIR} )
# Get the TARGET_TRIPLE
execute_process(COMMAND "${LLVM_INSTALL_ROOT}/bin/llvm-config" --host-target
OUTPUT_VARIABLE TARGET_TRIPLE
OUTPUT_STRIP_TRAILING_WHITESPACE)
# And then set the cxx flags.
execute_process(COMMAND "${LLVM_INSTALL_ROOT}/bin/llvm-config" --cxxflags
OUTPUT_VARIABLE LLVM_CXX_FLAGS