# # Copyright (c) 2017, Alliance for Open Media. All rights reserved # # This source code is subject to the terms of the BSD 2 Clause License and the # Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License was # not distributed with this source code in the LICENSE file, you can obtain it # at www.aomedia.org/license/software. If the Alliance for Open Media Patent # License 1.0 was not distributed with this source code in the PATENTS file, you # can obtain it at www.aomedia.org/license/patent. # if(AOM_BUILD_CMAKE_EXPORTS_CMAKE_) return() endif() # AOM_BUILD_CMAKE_EXPORTS_CMAKE_ set(AOM_BUILD_CMAKE_EXPORTS_CMAKE_ 1) include("${AOM_ROOT}/build/cmake/exports_sources.cmake") # Creates the custom target which handles generation of the symbol export lists. function(setup_exports_target) if("${AOM_TARGET_SYSTEM}" STREQUAL "Darwin") set(symbol_file_ext "syms") elseif("${AOM_TARGET_SYSTEM}" MATCHES "Windows\|MSYS" AND MSVC) set(symbol_file_ext "def") else() set(symbol_file_ext "ver") endif() set(aom_sym_file "${AOM_CONFIG_DIR}/libaom.${symbol_file_ext}") add_custom_target(generate_exports COMMAND ${CMAKE_COMMAND} -DAOM_ROOT="${AOM_ROOT}" -DAOM_CONFIG_DIR="${AOM_CONFIG_DIR}" -DAOM_TARGET_SYSTEM=${AOM_TARGET_SYSTEM} -DAOM_SYM_FILE="${aom_sym_file}" -DAOM_MSVC=${MSVC} -DAOM_XCODE=${XCODE} -DCONFIG_NAME=$<CONFIG> -DCONFIG_AV1_DECODER=${CONFIG_AV1_DECODER} -DCONFIG_AV1_ENCODER=${CONFIG_AV1_ENCODER} -DENABLE_TESTS=${ENABLE_TESTS} -P "${AOM_ROOT}/build/cmake/generate_exports.cmake" SOURCES ${AOM_EXPORTS_SOURCES} DEPENDS ${AOM_EXPORTS_SOURCES}) # Make libaom depend on the exports file, and set flags to pick it up when # creating the dylib. add_dependencies(aom generate_exports) if(APPLE) set_property(TARGET aom APPEND_STRING PROPERTY LINK_FLAGS "-exported_symbols_list ${aom_sym_file}") elseif(WIN32) if(NOT MSVC) set_property(TARGET aom APPEND_STRING PROPERTY LINK_FLAGS "-Wl,--version-script ${aom_sym_file}") else() set_property(TARGET aom APPEND_STRING PROPERTY LINK_FLAGS "/DEF:${aom_sym_file}") endif() # TODO(tomfinegan): Sort out the import lib situation and flags for MSVC. else() set_property(TARGET aom APPEND_STRING PROPERTY LINK_FLAGS "-Wl,--version-script,${aom_sym_file}") endif() endfunction()