# SPDX-License-Identifier: Apache-2.0 # # Copyright (C) 2023 The Falco Authors. # # 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. # option(USE_BUNDLED_OPENSSL "Enable building of the bundled OpenSSL" ${USE_BUNDLED_DEPS}) if(OPENSSL_INCLUDE_DIR) # we already have openssl elseif(NOT USE_BUNDLED_OPENSSL) find_package(OpenSSL REQUIRED) message(STATUS "Found OpenSSL: include: ${OPENSSL_INCLUDE_DIR}, lib: ${OPENSSL_LIBRARIES}") else() if(BUILD_SHARED_LIBS) set(OPENSSL_LIB_SUFFIX ${CMAKE_SHARED_LIBRARY_SUFFIX}) set(OPENSSL_SHARED_OPTION shared) else() set(OPENSSL_LIB_SUFFIX ${CMAKE_STATIC_LIBRARY_SUFFIX}) set(OPENSSL_SHARED_OPTION no-shared) endif() set(OPENSSL_BUNDLE_DIR "${PROJECT_BINARY_DIR}/openssl-prefix/src/openssl") set(OPENSSL_INSTALL_DIR "${OPENSSL_BUNDLE_DIR}/target") set(OPENSSL_INCLUDE_DIR "${PROJECT_BINARY_DIR}/openssl-prefix/src/openssl/include/") set(OPENSSL_LIBRARY_SSL "${OPENSSL_INSTALL_DIR}/lib/libssl${OPENSSL_LIB_SUFFIX}") set(OPENSSL_LIBRARY_CRYPTO "${OPENSSL_INSTALL_DIR}/lib/libcrypto${OPENSSL_LIB_SUFFIX}") set(OPENSSL_LIBRARIES ${OPENSSL_LIBRARY_SSL} ${OPENSSL_LIBRARY_CRYPTO}) if(NOT TARGET openssl) if(NOT ENABLE_PIC) set(OPENSSL_PIC_OPTION) else() set(OPENSSL_PIC_OPTION "-fPIC") endif() message(STATUS "Using bundled openssl in '${OPENSSL_BUNDLE_DIR}'") ExternalProject_Add( openssl PREFIX "${PROJECT_BINARY_DIR}/openssl-prefix" URL "https://github.com/openssl/openssl/releases/download/openssl-3.1.4/openssl-3.1.4.tar.gz" URL_HASH "SHA256=840af5366ab9b522bde525826be3ef0fb0af81c6a9ebd84caa600fea1731eee3" CONFIGURE_COMMAND ./config ${OPENSSL_SHARED_OPTION} ${OPENSSL_PIC_OPTION} --prefix=${OPENSSL_INSTALL_DIR} --libdir=lib BUILD_COMMAND make BUILD_IN_SOURCE 1 BUILD_BYPRODUCTS ${OPENSSL_LIBRARY_SSL} ${OPENSSL_LIBRARY_CRYPTO} INSTALL_COMMAND make install_sw ) install( FILES "${OPENSSL_LIBRARY_SSL}" DESTINATION "${CMAKE_INSTALL_LIBDIR}/${LIBS_PACKAGE_NAME}" COMPONENT "libs-deps" ) install( FILES "${OPENSSL_LIBRARY_CRYPTO}" DESTINATION "${CMAKE_INSTALL_LIBDIR}/${LIBS_PACKAGE_NAME}" COMPONENT "libs-deps" ) install( DIRECTORY "${OPENSSL_INCLUDE_DIR}" DESTINATION "${CMAKE_INSTALL_INCLUDEDIR}/${LIBS_PACKAGE_NAME}" COMPONENT "libs-deps" ) endif() endif() if(NOT TARGET openssl) add_custom_target(openssl) endif() include_directories("${OPENSSL_INCLUDE_DIR}")