| ############################################################################## |
| # 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. |
| ############################################################################## |
| |
| # Find the LLVM binaries: clang and opt |
| # LLVM_BINARIES_ROOT - hints the search path |
| # LLVM_CLANG_EXECUTABLE - set to path to clang |
| # LLVM_OPT_EXECUTABLE - set to path to opt |
| |
| find_program(LLVM_BINARIES_CONFIG_EXECUTABLE llvm-config |
| PATHS |
| ${LLVM_BINARIES_ROOT}/bin |
| $ENV{LLVM_HOME} |
| NO_DEFAULT_PATH |
| ) |
| |
| if (LLVM_BINARIES_CONFIG_EXECUTABLE STREQUAL "LLVM_BINARIES_CONFIG_EXECUTABLE-NOTFOUND") |
| message(FATAL_ERROR "Could not find llvm-config") |
| endif () |
| |
| # Check LLVM Version to be compatible |
| execute_process( |
| COMMAND ${LLVM_BINARIES_CONFIG_EXECUTABLE} --version |
| OUTPUT_VARIABLE LLVM_VERSION |
| OUTPUT_STRIP_TRAILING_WHITESPACE |
| ) |
| |
| if (NOT "${LLVM_VERSION}" VERSION_EQUAL "$ENV{IMPALA_LLVM_VERSION}") |
| message(FATAL_ERROR |
| "LLVM version must be $ENV{IMPALA_LLVM_VERSION}. Found version: ${LLVM_VERSION}") |
| endif() |
| |
| # get the location of the binaries |
| execute_process( |
| COMMAND ${LLVM_BINARIES_CONFIG_EXECUTABLE} --bindir |
| OUTPUT_VARIABLE LLVM_BIN_DIR |
| OUTPUT_STRIP_TRAILING_WHITESPACE |
| ) |
| |
| set(LLVM_CLANG_EXECUTABLE "${LLVM_BIN_DIR}/clang++") |
| set(LLVM_OPT_EXECUTABLE "${LLVM_BIN_DIR}/opt") |
| |
| message(STATUS "LLVM llvm-config found at: ${LLVM_BINARIES_CONFIG_EXECUTABLE}") |
| message(STATUS "LLVM clang++ found at: ${LLVM_CLANG_EXECUTABLE}") |
| message(STATUS "LLVM opt found at: ${LLVM_OPT_EXECUTABLE}") |
| |