diff options
Diffstat (limited to '')
-rw-r--r-- | third_party/aom/build/cmake/generate_exports.cmake | 69 |
1 files changed, 69 insertions, 0 deletions
diff --git a/third_party/aom/build/cmake/generate_exports.cmake b/third_party/aom/build/cmake/generate_exports.cmake new file mode 100644 index 0000000000..3a5f67cea6 --- /dev/null +++ b/third_party/aom/build/cmake/generate_exports.cmake @@ -0,0 +1,69 @@ +# +# 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. +# +cmake_minimum_required(VERSION 3.5) + +# CMAKE_SHARED_LIBRARY_PREFIX can be empty +set(REQUIRED_ARGS "AOM_ROOT" "AOM_CONFIG_DIR" "AOM_TARGET_SYSTEM" "AOM_SYM_FILE" + "CONFIG_AV1_DECODER" "CONFIG_AV1_ENCODER") + +foreach(arg ${REQUIRED_ARGS}) + if("${${arg}}" STREQUAL "") + message(FATAL_ERROR "${arg} must not be empty.") + endif() +endforeach() + +include("${AOM_ROOT}/build/cmake/exports_sources.cmake") + +if("${AOM_TARGET_SYSTEM}" STREQUAL "Darwin") + set(symbol_prefix "_") +elseif("${AOM_TARGET_SYSTEM}" MATCHES "Windows\|MSYS") + file(WRITE "${AOM_SYM_FILE}" "LIBRARY ${CMAKE_SHARED_LIBRARY_PREFIX}aom\n" + "EXPORTS\n") +else() + set(symbol_suffix ";") +endif() + +set(aom_sym_file "${AOM_SYM_FILE}") + +if("${AOM_TARGET_SYSTEM}" STREQUAL "Darwin") + file(REMOVE "${aom_sym_file}") +elseif("${AOM_TARGET_SYSTEM}" MATCHES "Windows\|MSYS") + file(WRITE "${aom_sym_file}" "LIBRARY ${CMAKE_SHARED_LIBRARY_PREFIX}aom\n" + "EXPORTS\n") +else() + file(WRITE "${aom_sym_file}" "{\nglobal:\n") +endif() + +foreach(export_file ${AOM_EXPORTS_SOURCES}) + file(STRINGS "${export_file}" exported_file_data) + set(exported_symbols "${exported_symbols} ${exported_file_data};") + string(STRIP "${exported_symbols}" exported_symbols) +endforeach() + +foreach(exported_symbol ${exported_symbols}) + string(STRIP "${exported_symbol}" exported_symbol) + if("${AOM_TARGET_SYSTEM}" MATCHES "Windows\|MSYS") + string(SUBSTRING ${exported_symbol} 0 4 export_type) + string(COMPARE EQUAL "${export_type}" "data" is_data) + if(is_data) + set(symbol_suffix " DATA") + else() + set(symbol_suffix "") + endif() + endif() + string(REGEX REPLACE "text \|data " "" "exported_symbol" "${exported_symbol}") + set(exported_symbol " ${symbol_prefix}${exported_symbol}${symbol_suffix}") + file(APPEND "${aom_sym_file}" "${exported_symbol}\n") +endforeach() + +if("${aom_sym_file}" MATCHES "ver$") + file(APPEND "${aom_sym_file}" " \nlocal:\n *;\n};") +endif() |