blob: 1cea2b52ab54e9c0f9499b3f53c9e42e91be30bf [file] [log] [blame]
#
# 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("${AOM_ROOT}/build/cmake/exports_sources.cmake")
# Creates the custom target which handles generation of the symbol export lists.
function(setup_exports_target)
if(APPLE)
set(symbol_file_ext "syms")
elseif(WIN32)
set(symbol_file_ext "def")
else()
set(symbol_file_ext "ver")
endif()
set(aom_sym_file "${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=${XCODE}
-DCMAKE_SHARED_LIBRARY_PREFIX="${CMAKE_SHARED_LIBRARY_PREFIX}"
-DCONFIG_NAME=$<CONFIG>
-DCONFIG_AV1_DECODER=${CONFIG_AV1_DECODER}
-DCONFIG_AV1_ENCODER=${CONFIG_AV1_ENCODER}
-DCONFIG_INSPECTION=${CONFIG_INSPECTION}
-DENABLE_TESTS=${ENABLE_TESTS}
-P
"${AOM_ROOT}/build/cmake/generate_exports.cmake"
SOURCES ${AOM_EXPORTS_SOURCES}
DEPENDS ${AOM_EXPORTS_SOURCES} BYPRODUCTS ${aom_sym_file})
# 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 ${aom_sym_file}")
elseif(WIN32)
if(MSVC)
set_property(TARGET aom
APPEND_STRING
PROPERTY LINK_FLAGS "/DEF:${aom_sym_file}")
else()
# For MinGW and MSYS compilers, you can use either version scripts or
# module definition files. If the latter, it must be supplied as an
# "object".
set_property(TARGET aom
APPEND_STRING
PROPERTY LINK_FLAGS "${aom_sym_file}")
endif()
else()
set_property(TARGET aom
APPEND_STRING
PROPERTY LINK_FLAGS "-Wl,--version-script,${aom_sym_file}")
endif()
endfunction()