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Diffstat (limited to 'clang-plugin/FindLLVM.cmake')
| -rw-r--r-- | clang-plugin/FindLLVM.cmake | 127 |
1 files changed, 127 insertions, 0 deletions
diff --git a/clang-plugin/FindLLVM.cmake b/clang-plugin/FindLLVM.cmake new file mode 100644 index 000000000..fca9984ea --- /dev/null +++ b/clang-plugin/FindLLVM.cmake @@ -0,0 +1,127 @@ +# Copyright (c) 2007-2015 University of Illinois at Urbana-Champaign. +# Copyright (c) 2015, Vsevolod Stakhov +# - Find LLVM +# This module can be used to find LLVM. +# It requires that the llvm-config executable be available on the system path. +# Once found, llvm-config is used for everything else. +# +# Typical usage could be: +# find_package(LLVM QUIET REQUIRED COMPONENTS jit native interpreter) +# +# If the QUIET flag is not set, the specified components and LLVM version are +# outputted. +# +# If the COMPONENTS are not set, the default set of "all" is used. +# +# The following variables are set: +# +# LLVM_FOUND - Set to YES if LLVM is found. +# LLVM_VERSION - Set to the decimal version of the LLVM library. +# LLVM_C_FLAGS - All flags that should be passed to a C compiler. +# LLVM_CXX_FLAGS - All flags that should be passed to a C++ compiler. +# LLVM_CPP_FLAGS - All flags that should be passed to the C pre-processor. +# LLVM_LD_FLAGS - Additional flags to pass to the linker. +# LLVM_LIBRARY_DIRS - A list of directories where the LLVM libraries are located. +# LLVM_INCLUDE_DIRS - A list of directories where the LLVM headers are located. +# LLVM_LIBRARIES - A list of libraries which should be linked against. + +# A macro to run llvm config +macro(_llvm_config _var_name) + # Firstly, locate the LLVM config executable + find_program(_llvm_config_exe + NAMES llvm-config + DOC "llvm-config executable location" + ) + + # If no llvm-config executable was found, set the output variable to not + # found. + if (NOT _llvm_config_exe) + set(${_var_name} "${_var_name}-NOTFOUND") + else (NOT _llvm_config_exe) + # Otherwise, run llvm-config + execute_process( + COMMAND ${_llvm_config_exe} ${ARGN} + OUTPUT_VARIABLE ${_var_name} + RESULT_VARIABLE _llvm_config_retval + OUTPUT_STRIP_TRAILING_WHITESPACE + ) + if (RESULT_VARIABLE) + message(SEND_ERROR + "Error running llvm-config with arguments: ${ARGN}") + endif (RESULT_VARIABLE) + endif (NOT _llvm_config_exe) +endmacro(_llvm_config) + +# The default set of components +set(_llvm_components all) + +# If components have been specified via find_package, use them +if (LLVM_FIND_COMPONENTS) + set(_llvm_components ${LLVM_FIND_COMPONENTS}) +endif (LLVM_FIND_COMPONENTS) + +if (NOT LLVM_FIND_QUIETLY) + message(STATUS "Looking for LLVM components: ${_llvm_components}") +endif (NOT LLVM_FIND_QUIETLY) + +_llvm_config(LLVM_VERSION --version) +_llvm_config(LLVM_C_FLAGS --cflags) +_llvm_config(LLVM_CXX_FLAGS --cxxflags) +_llvm_config(LLVM_CPP_FLAGS --cppflags) +_llvm_config(LLVM_LD_FLAGS --ldflags) +_llvm_config(LLVM_LIBRARY_DIRS --libdir) +_llvm_config(LLVM_INCLUDE_DIRS --includedir) +_llvm_config(LLVM_LIBRARIES --libs ${_llvm_components}) + +if (NOT LLVM_FIND_QUIETLY) + message(STATUS "Found LLVM version: ${LLVM_VERSION}") +endif (NOT LLVM_FIND_QUIETLY) + +SET(libclang_llvm_header_search_paths + # LLVM Debian/Ubuntu nightly packages: http://llvm.org/apt/ + "/usr/lib/llvm-${LLVM_VERSION}/include/" + # LLVM MacPorts + "/opt/local/libexec/llvm-${LLVM_VERSION}/include" + # LLVM Homebrew + "/usr/local/Cellar/llvm/${LLVM_VERSION}/include" + # LLVM Homebrew/versions + "/usr/local/lib/llvm-${LLVM_VERSION}/include" + # FreeBSD ports versions + "/usr/local/llvm${LLVM_VERSION}/include" +) + +SET(libclang_llvm_lib_search_paths + # LLVM Debian/Ubuntu nightly packages: http://llvm.org/apt/ + "/usr/lib/llvm-${LLVM_VERSION}/lib/" + # LLVM MacPorts + "/opt/local/libexec/llvm-${LLVM_VERSION}/lib" + # LLVM Homebrew + "/usr/local/Cellar/llvm/${LLVM_VERSION}/lib" + # LLVM Homebrew/versions + "/usr/local/lib/llvm-${LLVM_VERSION}/lib" + # FreeBSD ports versions + "/usr/local/llvm${LLVM_VERSION}/lib" +) + +find_path(LIBCLANG_INCLUDE_DIR clang-c/Index.h + PATHS ${libclang_llvm_header_search_paths} + PATH_SUFFIXES LLVM/include #Windows package from http://llvm.org/releases/ + DOC "The path to the directory that contains clang-c/Index.h") +find_library(LIBCLANG_LIBRARY NAMES libclang.imp libclang clang + PATHS ${libclang_llvm_lib_search_paths} + PATH_SUFFIXES LLVM/lib #Windows package from http://llvm.org/releases/ + DOC "The file that corresponds to the libclang library.") + +get_filename_component(LIBCLANG_LIBRARY_DIR ${LIBCLANG_LIBRARY} PATH) + +set(LIBCLANG_LIBRARIES ${LIBCLANG_LIBRARY}) +set(LIBCLANG_INCLUDE_DIRS ${LIBCLANG_INCLUDE_DIR}) + +# handle the QUIETLY and REQUIRED arguments and set LLVM_FOUND to TRUE if +# all listed variables are TRUE +include(FindPackageHandleStandardArgs) +find_package_handle_standard_args(LLVM + DEFAULT_MSG + LLVM_LIBRARIES + LLVM_INCLUDE_DIRS + LLVM_LIBRARY_DIRS) |