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Diffstat (limited to '')
| -rw-r--r-- | third_party/aom/build/cmake/exports.cmake | 65 |
1 files changed, 65 insertions, 0 deletions
diff --git a/third_party/aom/build/cmake/exports.cmake b/third_party/aom/build/cmake/exports.cmake new file mode 100644 index 0000000000..e0813dc0f2 --- /dev/null +++ b/third_party/aom/build/cmake/exports.cmake @@ -0,0 +1,65 @@ +# +# 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() |