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ortools-clone/cmake/host.CMakeLists.txt
2022-05-16 11:27:36 +02:00

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cmake_minimum_required(VERSION 3.14)
# fetch_git_dependency()
#
# CMake function to download, build and install (in staging area) a dependency at configure
# time.
#
# Parameters:
# NAME: name of the dependency
# REPOSITORY: git url of the dependency
# TAG: tag of the dependency
# PATCH_COMMAND: apply patch
# SOURCE_SUBDIR: Path to source CMakeLists.txt relative to root dir
# CMAKE_ARGS: List of specific CMake args to add
#
# e.g.:
# fetch_git_dependency(
# NAME
# abseil-cpp
# URL
# https://github.com/abseil/abseil-cpp.git
# TAG
# main
# PATCH_COMMAND
# "git apply ${CMAKE_SOURCE_DIR}/patches/abseil-cpp.patch"
# )
function(fetch_git_dependency)
set(options "")
set(oneValueArgs NAME REPOSITORY TAG PATCH_COMMAND SOURCE_SUBDIR)
set(multiValueArgs CMAKE_ARGS)
cmake_parse_arguments(GIT_DEP
"${options}"
"${oneValueArgs}"
"${multiValueArgs}"
${ARGN}
)
message(STATUS "Building ${GIT_DEP_NAME}: ...")
string(TOLOWER ${GIT_DEP_NAME} NAME_LOWER)
if(GIT_DEP_PATCH_COMMAND)
set(PATCH_CMD "${GIT_DEP_PATCH_COMMAND}")
else()
set(PATCH_CMD "")
endif()
configure_file(
${CMAKE_CURRENT_LIST_DIR}/CMakeLists.txt.in
${CMAKE_BINARY_DIR}/_deps/${NAME_LOWER}-subbuild/CMakeLists.txt @ONLY)
execute_process(
COMMAND ${CMAKE_COMMAND} -S. -Bproject_build -G "${CMAKE_GENERATOR}"
RESULT_VARIABLE result
WORKING_DIRECTORY ${CMAKE_BINARY_DIR}/_deps/${NAME_LOWER}-subbuild)
if(result)
message(FATAL_ERROR "CMake step for ${GIT_DEP_NAME} failed: ${result}")
endif()
execute_process(
COMMAND ${CMAKE_COMMAND} --build project_build --config ${CMAKE_BUILD_TYPE}
RESULT_VARIABLE result
WORKING_DIRECTORY ${CMAKE_BINARY_DIR}/_deps/${NAME_LOWER}-subbuild)
if(result)
message(FATAL_ERROR "Build step for ${GIT_DEP_NAME} failed: ${result}")
endif()
if(GIT_DEP_SOURCE_SUBDIR)
add_subdirectory(
${CMAKE_BINARY_DIR}/_deps/${NAME_LOWER}-src/${GIT_DEP_SOURCE_SUBDIR}
${CMAKE_BINARY_DIR}/_deps/${NAME_LOWER}-build)
else()
add_subdirectory(
${CMAKE_BINARY_DIR}/_deps/${NAME_LOWER}-src
${CMAKE_BINARY_DIR}/_deps/${NAME_LOWER}-build)
endif()
message(STATUS "Building ${GIT_DEP_NAME}: ...DONE")
endfunction()
project(host-meta CXX)
include(FetchContent)
set(FETCHCONTENT_QUIET OFF)
set(FETCHCONTENT_UPDATES_DISCONNECTED ON)
set(BUILD_SHARED_LIBS OFF)
set(CMAKE_POSITION_INDEPENDENT_CODE ON)
set(BUILD_TESTING OFF)
message(CHECK_START "Fetching ZLIB")
list(APPEND CMAKE_MESSAGE_INDENT " ")
FetchContent_Declare(
zlib
GIT_REPOSITORY "https://github.com/madler/ZLIB.git"
GIT_TAG "v1.2.11"
PATCH_COMMAND git apply "${CMAKE_CURRENT_LIST_DIR}/../../../patches/ZLIB.patch")
FetchContent_MakeAvailable(zlib)
list(POP_BACK CMAKE_MESSAGE_INDENT)
message(CHECK_PASS "fetched")
message(CHECK_START "Fetching Protobuf")
list(APPEND CMAKE_MESSAGE_INDENT " ")
set(protobuf_BUILD_TESTS OFF)
set(protobuf_BUILD_EXPORT OFF)
set(protobuf_MSVC_STATIC_RUNTIME OFF)
# FetchContent_Declare(SOURCE_SUBDIR) was introduced in 3.18
if(${CMAKE_VERSION} VERSION_GREATER_EQUAL "3.18")
FetchContent_Declare(
protobuf
GIT_REPOSITORY "https://github.com/protocolbuffers/protobuf.git"
GIT_TAG "v3.19.4"
GIT_SUBMODULES ""
PATCH_COMMAND git apply "${CMAKE_CURRENT_LIST_DIR}/../../../patches/protobuf-v3.19.4.patch"
SOURCE_SUBDIR cmake)
FetchContent_MakeAvailable(protobuf)
else()
fetch_git_dependency(
NAME Protobuf
REPOSITORY "https://github.com/protocolbuffers/protobuf.git"
TAG "v3.19.4"
PATCH_COMMAND "git apply \"${CMAKE_CURRENT_LIST_DIR}/../../../patches/protobuf-v3.19.4.patch\""
SOURCE_SUBDIR cmake)
endif()
list(POP_BACK CMAKE_MESSAGE_INDENT)
message(CHECK_PASS "fetched")