cpp/cmake_modules/FindLLVM.cmake

# Licensed to the Apache Software Foundation (ASF) under one
# or more contributor license agreements.  See the NOTICE file
# distributed with this work for additional information
# regarding copyright ownership.  The ASF licenses this file
# to you under the Apache License, Version 2.0 (the
# "License"); you may not use this file except in compliance
# with the License.  You may obtain a copy of the License at
#
#   http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing,
# software distributed under the License is distributed on an
# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
# KIND, either express or implied.  See the License for the
# specific language governing permissions and limitations
# under the License.
#
# Usage of this module as follows:
#
#  find_package(LLVM)
#

set(GANDIVA_LLVM_VERSION 6.0)
find_package(LLVM ${GANDIVA_LLVM_VERSION} REQUIRED CONFIG HINTS
             /usr/local/opt/llvm
             /usr/share)
message(STATUS "Found LLVM ${LLVM_PACKAGE_VERSION}")
message(STATUS "Using LLVMConfig.cmake in: ${LLVM_DIR}")

# Find the libraries that correspond to the LLVM components
llvm_map_components_to_libnames(LLVM_LIBS core mcjit native ipo bitreader target linker analysis debuginfodwarf)

set(CLANG_EXECUTABLE ${LLVM_TOOLS_BINARY_DIR}/clang CACHE STRING "clang")
set(LINK_EXECUTABLE ${LLVM_TOOLS_BINARY_DIR}/llvm-link CACHE STRING "link")
set(CLANG_FORMAT_EXECUTABLE ${LLVM_TOOLS_BINARY_DIR}/clang-format CACHE STRING "clang-format")

add_library(LLVM::LLVM_INTERFACE INTERFACE IMPORTED)

set_target_properties(LLVM::LLVM_INTERFACE PROPERTIES
  INTERFACE_INCLUDE_DIRECTORIES "${LLVM_INCLUDE_DIRS}"
  INTERFACE_COMPILE_FLAGS "${LLVM_DEFINITIONS}"
  INTERFACE_LINK_LIBRARIES "${LLVM_LIBS}"
)