llvm-project/flang/CMakeLists.txt

134 lines
4.8 KiB
CMake

# Copyright (c) 2018-2019, NVIDIA CORPORATION. All rights reserved.
#
# Licensed 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.
cmake_minimum_required(VERSION 3.9.0)
option(LINK_WITH_FIR "Link driver with FIR and LLVM" ON)
# Pass -DGCC=... to cmake to use a specific gcc installation.
if( GCC )
set(CMAKE_CXX_COMPILER "${GCC}/bin/g++")
set(CMAKE_CC_COMPILER "${GCC}/bin/gcc")
set(CMAKE_BUILD_RPATH "${GCC}/lib64")
set(CMAKE_INSTALL_RPATH "${GCC}/lib64")
endif()
if(BUILD_WITH_CLANG)
set(CMAKE_CXX_COMPILER "${BUILD_WITH_CLANG}/bin/clang++")
set(CMAKE_CC_COMPILER "${BUILD_WITH_CLANG}/bin/clang")
if(GCC)
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} --gcc-toolchain=${GCC}")
endif()
endif()
# Set RPATH in every executable, overriding the default setting.
# If you set this first variable back to true (the default),
# also set the second one.
set(CMAKE_SKIP_BUILD_RPATH false)
set(CMAKE_BUILD_WITH_INSTALL_RPATH false)
set(CMAKE_INSTALL_RPATH "${CMAKE_INSTALL_PREFIX}/lib" "${CMAKE_INSTALL_RPATH}")
# Reminder: Setting CMAKE_CXX_COMPILER must be done before calling project()
project(f18 CXX)
if( NOT CMAKE_BUILD_TYPE )
set( CMAKE_BUILD_TYPE Debug )
endif()
message(STATUS "Build Type: ${CMAKE_BUILD_TYPE}" )
find_package(LLVM REQUIRED CONFIG)
message(STATUS "Found LLVM ${LLVM_PACKAGE_VERSION} in ${LLVM_DIR}")
# Get names for the LLVM libraries
#
# The full list of LLVM components can be obtained with
#
# llvm-config --components
#
# Similarly, the (static) libraries corresponding to some
# components (default is 'all') can be obtained with
#
# llvm-config --libs --link-static [component ...]
#
# See also
# http://llvm.org/docs/CMake.html#embedding-llvm-in-your-project
# https://stackoverflow.com/questions/41924375/llvm-how-to-specify-all-link-libraries-as-input-to-llvm-map-components-to-libna
# https://stackoverflow.com/questions/33948633/how-do-i-link-when-building-with-llvm-libraries
include_directories(${LLVM_INCLUDE_DIRS})
add_definitions(${LLVM_DEFINITIONS})
if(LINK_WITH_FIR)
message(STATUS "Linking driver with FIR and LLVM")
llvm_map_components_to_libnames(LLVM_COMMON_LIBS support)
message(STATUS "LLVM libraries: ${LLVM_COMMON_LIBS}")
endif()
if(CMAKE_COMPILER_IS_GNUCXX OR (CMAKE_CXX_COMPILER_ID MATCHES "Clang"))
if(CMAKE_CXX_COMPILER_ID MATCHES "Clang")
if(BUILD_WITH_CLANG_LIBRARIES)
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -nostdinc++ -I${BUILD_WITH_CLANG_LIBRARIES}/include/c++/v1")
set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -stdlib=libc++ -Wl,-rpath,${BUILD_WITH_CLANG_LIBRARIES}/lib -L${BUILD_WITH_CLANG_LIBRARIES}/lib")
else()
set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -lstdc++")
endif()
if(GCC)
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} --gcc-toolchain=${GCC}")
endif()
endif()
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++17")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wall -pedantic")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fno-rtti")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fno-exceptions")
set(CMAKE_CXX_FLAGS_RELEASE "-O2")
set(CMAKE_CXX_FLAGS_MINSIZEREL "-O2 '-DCHECK=(void)'")
set(CMAKE_CXX_FLAGS_DEBUG "-g -DDEBUGF18")
# Building shared libraries is death on performance with GCC by default
# due to the need to preserve the right to override external entry points
# at dynamic link time. -fno-semantic-interposition waives that right and
# recovers a little bit of that performance.
if (BUILD_SHARED_LIBS AND NOT (CMAKE_CXX_COMPILER_ID MATCHES "Clang"))
set(CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE} -fno-semantic-interposition")
endif()
endif()
set(FLANG_VERSION_MAJOR "0")
set(FLANG_VERSION_MINOR "1")
set(FLANG_VERSION_PATCHLEVEL "0")
set(FLANG_VERSION "${FLANG_VERSION_MAJOR}.${FLANG_VERSION_MINOR}.${FLANG_VERSION_PATCHLEVEL}")
message(STATUS "FLANG version: ${FLANG_VERSION}")
set(FLANG_SOURCE_DIR ${CMAKE_CURRENT_SOURCE_DIR})
set(FLANG_BINARY_DIR ${CMAKE_CURRENT_BINARY_DIR})
include_directories(BEFORE
${FLANG_BINARY_DIR}/include
${FLANG_SOURCE_DIR}/include
)
enable_testing()
add_subdirectory(include/flang)
add_subdirectory(lib)
add_subdirectory(runtime)
add_subdirectory(test)
add_subdirectory(tools)
configure_file(
${FLANG_SOURCE_DIR}/include/flang/Config/config.h.cmake
${FLANG_BINARY_DIR}/include/flang/Config/config.h)