| # 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. |
| |
| function(use_bundled_zlib SOURCE_DIR BINARY_DIR) |
| message("Using bundled zlib") |
| |
| # Define byproducts |
| if (WIN32) |
| string(TOLOWER "${CMAKE_BUILD_TYPE}" build_type) |
| if (build_type MATCHES relwithdebinfo OR build_type MATCHES release) |
| set(BYPRODUCT "lib/zlibstatic.lib") |
| else() |
| set(BYPRODUCT "lib/zlibstaticd.lib") |
| endif() |
| else() |
| set(BYPRODUCT "lib/libz.a") |
| endif() |
| |
| # Set build options |
| set(ZLIB_CMAKE_ARGS ${PASSTHROUGH_CMAKE_ARGS} |
| "-DCMAKE_INSTALL_PREFIX=${BINARY_DIR}/thirdparty/zlib-install" |
| ) |
| |
| # Build project |
| ExternalProject_Add( |
| zlib-external |
| URL "https://github.com/madler/zlib/archive/v1.2.11.tar.gz" |
| URL_HASH "SHA256=629380c90a77b964d896ed37163f5c3a34f6e6d897311f1df2a7016355c45eff" |
| SOURCE_DIR "${BINARY_DIR}/thirdparty/zlib-src" |
| CMAKE_ARGS ${ZLIB_CMAKE_ARGS} |
| BUILD_BYPRODUCTS "${BINARY_DIR}/thirdparty/zlib-install/${BYPRODUCT}" |
| EXCLUDE_FROM_ALL TRUE |
| ) |
| |
| # Set variables |
| set(ZLIB_FOUND "YES" CACHE STRING "" FORCE) |
| set(ZLIB_INCLUDE_DIRS "${BINARY_DIR}/thirdparty/zlib-install/include" CACHE STRING "" FORCE) |
| set(ZLIB_LIBRARIES "${BINARY_DIR}/thirdparty/zlib-install/${BYPRODUCT}" CACHE STRING "" FORCE) |
| set(ZLIB_VERSION_STRING "1.2.11" CACHE STRING "" FORCE) |
| set(ZLIB_VERSION_MAJOR 1 CACHE STRING "" FORCE) |
| set(ZLIB_VERSION_MINOR 2 CACHE STRING "" FORCE) |
| set(ZLIB_VERSION_PATCH 11 CACHE STRING "" FORCE) |
| |
| # Set exported variables for FindPackage.cmake |
| set(PASSTHROUGH_VARIABLES ${PASSTHROUGH_VARIABLES} "-DEXPORTED_ZLIB_INCLUDE_DIRS=${ZLIB_INCLUDE_DIRS}" CACHE STRING "" FORCE) |
| set(PASSTHROUGH_VARIABLES ${PASSTHROUGH_VARIABLES} "-DEXPORTED_ZLIB_LIBRARIES=${ZLIB_LIBRARIES}" CACHE STRING "" FORCE) |
| set(PASSTHROUGH_VARIABLES ${PASSTHROUGH_VARIABLES} "-DEXPORTED_ZLIB_VERSION_STRING=${ZLIB_VERSION_STRING}" CACHE STRING "" FORCE) |
| set(PASSTHROUGH_VARIABLES ${PASSTHROUGH_VARIABLES} "-DEXPORTED_ZLIB_VERSION_MAJOR=${ZLIB_VERSION_MAJOR}" CACHE STRING "" FORCE) |
| set(PASSTHROUGH_VARIABLES ${PASSTHROUGH_VARIABLES} "-DEXPORTED_ZLIB_VERSION_MINOR=${ZLIB_VERSION_MINOR}" CACHE STRING "" FORCE) |
| set(PASSTHROUGH_VARIABLES ${PASSTHROUGH_VARIABLES} "-DEXPORTED_ZLIB_VERSION_PATCH=${ZLIB_VERSION_PATCH}" CACHE STRING "" FORCE) |
| |
| # Create imported targets |
| file(MAKE_DIRECTORY ${ZLIB_INCLUDE_DIRS}) |
| |
| add_library(ZLIB::ZLIB STATIC IMPORTED) |
| set_target_properties(ZLIB::ZLIB PROPERTIES IMPORTED_LOCATION "${ZLIB_LIBRARIES}") |
| add_dependencies(ZLIB::ZLIB zlib-external) |
| file(MAKE_DIRECTORY ${ZLIB_INCLUDE_DIRS}) |
| set_property(TARGET ZLIB::ZLIB APPEND PROPERTY INTERFACE_INCLUDE_DIRECTORIES ${ZLIB_INCLUDE_DIRS}) |
| endfunction(use_bundled_zlib) |