dive/libarchive.cmake at main · google/dive · GitHub

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#
# Copyright 2023 Google LLC
#
# 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.
#

if(WIN32)
    set(CMAKE_PREFIX_PATH_PRE ${CMAKE_PREFIX_PATH})
    set(CMAKE_PREFIX_PATH "${CMAKE_SOURCE_DIR}/prebuild/libarchive/")
    add_compile_definitions(LIBARCHIVE_STATIC)
endif()

find_package(LibArchive QUIET)

if(LibArchive_FOUND)
    if(WIN32)
        set(CMAKE_PREFIX_PATH "${CMAKE_SOURCE_DIR}/prebuild/zlib")
        find_package(ZLIB)
        message("ZLIB_LIBRARIES is " ${ZLIB_LIBRARIES})
    endif()
else()
    # For Windows we need to build the zlib
    if(WIN32)
        set(CMAKE_PREFIX_PATH ${CMAKE_PREFIX_PATH_PRE})
        # Enable find_package uses of <PackageName>_ROOT variables.
        cmake_policy(SET CMP0074 NEW)
        set(ZLIB_ROOT ${THIRDPARTY_DIRECTORY}/zlib)
        if(EXISTS "${ZLIB_ROOT}/CMakeLists.txt")
            include_directories("${ZLIB_ROOT}")
            add_subdirectory(${ZLIB_ROOT} third_party/zlib)
            find_package(ZLIB)
            if(ZLIB_FOUND)
                set(ZLIB_INCLUDE_DIR
                    ${CMAKE_BINARY_DIR}/third_party/zlib
                    ${ZLIB_INCLUDE_DIR}
                )
                message("ZLIB_INCLUDE_DIR is " ${ZLIB_INCLUDE_DIR})
            else()
                message(FATAL_ERROR "did not find zlib")
            endif()
        endif()
    endif()

    set(BUILD_SHARED_LIBS OFF CACHE INTERNAL "" FORCE)
    set(ENABLE_TEST OFF CACHE INTERNAL "" FORCE)
    set(ENABLE_OPENSSL OFF CACHE INTERNAL "" FORCE)
    set(ENABLE_LIBB2 OFF CACHE INTERNAL "" FORCE)
    set(ENABLE_LZ4 OFF CACHE INTERNAL "" FORCE)
    set(ENABLE_LZMA OFF CACHE INTERNAL "" FORCE)
    set(ENABLE_ZSTD OFF CACHE INTERNAL "" FORCE)
    set(ENABLE_BZip2 OFF CACHE INTERNAL "" FORCE)
    set(ENABLE_CNG OFF CACHE INTERNAL "" FORCE)
    set(ENABLE_TAR OFF CACHE INTERNAL "" FORCE)
    set(ENABLE_CPIO OFF CACHE INTERNAL "" FORCE)
    set(ENABLE_CAT OFF CACHE INTERNAL "" FORCE)
    set(ENABLE_ACL OFF CACHE INTERNAL "" FORCE)
    set(ENABLE_INSTALL OFF CACHE INTERNAL "" FORCE)
    add_subdirectory(${CMAKE_SOURCE_DIR}/third_party/libarchive)
    add_compile_definitions(LIBARCHIVE_STATIC=ON)
    add_library(LibArchive::LibArchive ALIAS archive_static)
endif()