| # Copyright 2019 Joe Drago. All rights reserved. |
| # SPDX-License-Identifier: BSD-2-Clause |
| |
| cmake_minimum_required(VERSION 3.13) |
| |
| # New in CMake version 3.15. MSVC warning flags are not in CMAKE_<LANG>_FLAGS by default. |
| if(POLICY CMP0092) |
| cmake_policy(SET CMP0092 NEW) |
| endif() |
| |
| # The root directory of the avif source |
| set(AVIF_SOURCE_DIR "${CMAKE_CURRENT_SOURCE_DIR}") |
| |
| # Specify search path for CMake modules to be loaded by include() and find_package() |
| list(APPEND CMAKE_MODULE_PATH "${CMAKE_CURRENT_SOURCE_DIR}/cmake/Modules") |
| |
| project(libavif LANGUAGES C VERSION 1.0.4) |
| |
| # Set C99 as the default |
| set(CMAKE_C_STANDARD 99) |
| |
| # SOVERSION scheme: MAJOR.MINOR.PATCH |
| # If there was an incompatible interface change: |
| # Increment MAJOR. Set MINOR and PATCH to 0 |
| # If there was a compatible interface change: |
| # Increment MINOR. Set PATCH to 0 |
| # If the source code was changed, but there were no interface changes: |
| # Increment PATCH. |
| set(LIBRARY_VERSION_MAJOR 16) |
| set(LIBRARY_VERSION_MINOR 0) |
| set(LIBRARY_VERSION_PATCH 4) |
| set(LIBRARY_VERSION "${LIBRARY_VERSION_MAJOR}.${LIBRARY_VERSION_MINOR}.${LIBRARY_VERSION_PATCH}") |
| set(LIBRARY_SOVERSION ${LIBRARY_VERSION_MAJOR}) |
| |
| option(BUILD_SHARED_LIBS "Build shared avif library" ON) |
| |
| option(AVIF_ENABLE_WERROR "Treat all compiler warnings as errors" OFF) |
| option(AVIF_ENABLE_WUNUSED_RESULT "Add [[nodiscard]] to some functions. CMake must be at least 3.21 to force C23" OFF) |
| |
| option(AVIF_ENABLE_EXPERIMENTAL_YCGCO_R "Enable experimental YCgCo-R matrix code" OFF) |
| option(AVIF_ENABLE_EXPERIMENTAL_GAIN_MAP |
| "Enable experimental gain map code (for HDR images that look good both on HDR and SDR displays)" OFF |
| ) |
| option(AVIF_ENABLE_EXPERIMENTAL_AVIR "Enable experimental reduced header" OFF) |
| |
| set(AVIF_PKG_CONFIG_EXTRA_LIBS_PRIVATE "") |
| set(AVIF_PKG_CONFIG_EXTRA_REQUIRES_PRIVATE "") |
| |
| function(set_local_or_system_option VAR DEFAULT TEXT) |
| # Deal with the older way of setting options. |
| if(DEFINED AVIF_LOCAL_${VAR}) |
| if(AVIF_LOCAL_${VAR}) |
| set(DEFAULT "LOCAL") |
| else() |
| set(DEFAULT "SYSTEM") |
| endif() |
| elseif(DEFINED AVIF_${VAR}) |
| set(DEFAULT ${AVIF_${VAR}}) |
| endif() |
| set(AVIF_${VAR} ${DEFAULT} CACHE STRING ${TEXT} FORCE) |
| set_property(CACHE AVIF_${VAR} PROPERTY STRINGS OFF LOCAL SYSTEM) |
| endfunction() |
| function(set_codec_option CODEC NAME ENCDEC EXTRA) |
| if(DEFINED AVIF_CODEC_${CODEC}) |
| set(DEFAULT ${AVIF_CODEC_${CODEC}}) |
| # Deal with the older way of setting options. |
| if(AVIF_CODEC_${CODEC} STREQUAL "ON") |
| if(AVIF_LOCAL_${CODEC}) |
| set(DEFAULT "LOCAL") |
| else() |
| set(DEFAULT "SYSTEM") |
| endif() |
| message(WARNING "Setting AVIF_CODEC_${CODEC} and AVIF_LOCAL_${CODEC} is deprecated. " |
| "Set AVIF_CODEC_${CODEC} to ${DEFAULT} instead." |
| ) |
| endif() |
| else() |
| set(DEFAULT "OFF") |
| endif() |
| if(AVIF_CODEC_${CODEC} STREQUAL "OFF" AND AVIF_LOCAL_${CODEC} STREQUAL "OFF") |
| message(WARNING "Setting AVIF_LOCAL_${CODEC} is deprecated. " "Only set AVIF_CODEC_${CODEC} to OFF instead.") |
| endif() |
| set(AVIF_CODEC_${CODEC} ${DEFAULT} CACHE STRING "Use the ${NAME} codec for ${ENCDEC}${EXTRA}" FORCE) |
| set_property(CACHE AVIF_CODEC_${CODEC} PROPERTY STRINGS OFF LOCAL SYSTEM) |
| endfunction() |
| set_codec_option(AOM "AOM" "encoding/decoding" " (see AVIF_CODEC_AOM_DECODE/AVIF_CODEC_AOM_ENCODE)") |
| set_codec_option(DAV1D "dav1d" "decoding" "") |
| set_codec_option(LIBGAV1 "libgav1" "decoding" "") |
| set_codec_option(RAV1E "rav1e" "encoding" "") |
| set_codec_option(SVT "SVT-AV1" "encoding" "") |
| set_codec_option(AVM "AVM (AV2)" "encoding/decoding" " (EXPERIMENTAL)") |
| |
| # These options allow libavif to only link against / use libaom's encoder or decoder, instead of being forced to use both |
| include(CMakeDependentOption) |
| cmake_dependent_option( |
| AVIF_CODEC_AOM_DECODE "if AVIF_CODEC_AOM is on, use/offer libaom's decoder" ON "NOT AVIF_CODEC_AOM STREQUAL OFF" OFF |
| ) |
| cmake_dependent_option( |
| AVIF_CODEC_AOM_ENCODE "if AVIF_CODEC_AOM is on, use/offer libaom's encoder" ON "NOT AVIF_CODEC_AOM STREQUAL OFF" OFF |
| ) |
| |
| option(AVIF_LOCAL_GTEST |
| "Build the GoogleTest framework by providing your own copy of the repo in ext/googletest (see Local Builds in README)" OFF |
| ) |
| option(AVIF_LOCAL_FUZZTEST |
| "Build the Google FuzzTest framework by providing your own copy of the repo in ext/fuzztest (see Local Builds in README)" |
| OFF |
| ) |
| |
| option( |
| AVIF_ENABLE_COMPLIANCE_WARDEN |
| "Check all avifEncoderFinish() output for AVIF specification compliance. Depends on gpac/ComplianceWarden which can be added with ext/compliance_warden.sh" |
| OFF |
| ) |
| |
| set(AVIF_USE_CXX OFF) |
| |
| if(AVIF_BUILD_APPS |
| OR AVIF_ENABLE_FUZZTEST |
| OR AVIF_ENABLE_GTEST |
| OR AVIF_CODEC_LIBGAV1 STREQUAL "LOCAL" |
| OR AVIF_CODEC_LIBGAV1 STREQUAL "SYSTEM" |
| ) |
| set(AVIF_USE_CXX ON) |
| endif() |
| |
| if(APPLE) |
| set(XCRUN xcrun) |
| else() |
| set(XCRUN) |
| endif() |
| |
| # This is also needed to get shared libraries (e.g. pixbufloader-avif) to compile against a static libavif. |
| set(CMAKE_POSITION_INDEPENDENT_CODE ON) |
| if(BUILD_SHARED_LIBS) |
| set(AVIF_LIBRARY_PREFIX "${CMAKE_SHARED_LIBRARY_PREFIX}") |
| else() |
| set(AVIF_LIBRARY_PREFIX "${CMAKE_STATIC_LIBRARY_PREFIX}") |
| endif() |
| |
| add_library(avif_obj OBJECT) |
| add_library(avif) |
| |
| # Adds <target> to avif_obj's public link libraries for build, and adds |
| # the <target> library as an install link library for export if a consumer |
| # would need to include that library alongside libavif when linking. |
| function(avif_target_link_library target) |
| target_link_libraries(avif_obj PUBLIC $<BUILD_INTERFACE:${target}>) |
| get_target_property(target_is_local ${target} AVIF_LOCAL) |
| if(target_is_local) |
| return() |
| endif() |
| get_target_property(install_target ${target} IMPORTED_SONAME) |
| if(NOT install_target) |
| set(install_target ${target}) |
| endif() |
| # The transitive dependency is an export link library if it is a shared |
| # library, or if it is a static library in a static build |
| get_target_property(target_type ${target} TYPE) |
| if(target_type STREQUAL "SHARED_LIBRARY" OR NOT BUILD_SHARED_LIBS) |
| target_link_libraries(avif PUBLIC $<INSTALL_INTERFACE:${install_target}>) |
| endif() |
| endfunction() |
| |
| #[[ |
| check_avif_option(<option> TARGET <target> PKG_NAME <PackageName>) |
| |
| If <option> is equal to "SYSTEM", uses <target> if it already exists, otherwise calls find_package(<PackageName>). If <option> |
| is "LOCAL", includes Local<PackageName>.cmake. Sets <option>_ENABLED to ON if the option is enabled and the target is usable. |
| ]] |
| macro(check_avif_option _VAR) |
| set(_oneValueArgs TARGET PKG_NAME) |
| cmake_parse_arguments(_AVIF_OPTION "" "${_oneValueArgs}" "" ${ARGN}) |
| string(SUBSTRING ${_AVIF_OPTION_PKG_NAME} 0 1 FIRST_LETTER) |
| string(TOUPPER ${FIRST_LETTER} FIRST_LETTER) |
| string(REGEX REPLACE "^.(.*)" "Local${FIRST_LETTER}\\1" _LOCAL_INCLUDE "${_AVIF_OPTION_PKG_NAME}") |
| set(${_VAR}_ENABLED OFF) |
| if(${_VAR} STREQUAL "LOCAL" OR ${_VAR} STREQUAL "SYSTEM") |
| if(${_VAR} STREQUAL "LOCAL" AND TARGET ${_AVIF_OPTION_TARGET}) |
| message(ERROR "${_AVIF_OPTION_TARGET} is already defined and ${_VAR} should be set to SYSTEM to use it") |
| return() |
| endif() |
| set(${_VAR}_ENABLED ON) |
| if(NOT TARGET ${_AVIF_OPTION_TARGET}) |
| if(${_VAR} STREQUAL "LOCAL") |
| include(${_LOCAL_INCLUDE}) |
| elseif(${_VAR} STREQUAL "SYSTEM") |
| find_package(${_AVIF_OPTION_PKG_NAME} REQUIRED) |
| endif() |
| endif() |
| endif() |
| endmacro() |
| |
| set_local_or_system_option("ZLIBPNG" "SYSTEM" "Use zlib and libpng.") |
| if(AVIF_ZLIBPNG STREQUAL "LOCAL") |
| include(LocalZlibpng) |
| endif() |
| |
| set_local_or_system_option("JPEG" "SYSTEM" "Use jpeg.") |
| if(AVIF_JPEG STREQUAL "LOCAL") |
| include(LocalJpeg) |
| endif() |
| |
| set_local_or_system_option("LIBYUV" "OFF" "Use libyuv.") |
| check_avif_option(AVIF_LIBYUV TARGET yuv::yuv PKG_NAME libyuv) |
| if(AVIF_LIBYUV_ENABLED) |
| # libyuv 1755 exposed all of the I*Matrix() functions, which libavif relies on. |
| # libyuv 1774 exposed ScalePlane_12 function, which libavif can use for some additional optimizations. |
| # libyuv 1813 added the I*ToARGBMatrixFilter() functions, which libavif can use with the bilinear filter. |
| if(NOT LIBYUV_VERSION) |
| message(STATUS "libavif: libyuv found, but version unknown; libyuv-based fast paths disabled.") |
| unset(AVIF_LIBYUV_ENABLED) |
| elseif(LIBYUV_VERSION LESS 1755) |
| message(STATUS "libavif: libyuv (${LIBYUV_VERSION}) found, but is too old; libyuv-based fast paths disabled.") |
| unset(AVIF_LIBYUV_ENABLED) |
| else() |
| message(STATUS "libavif: libyuv (${LIBYUV_VERSION}) found; libyuv-based fast paths enabled.") |
| if(LIBYUV_VERSION LESS 1813) |
| message(STATUS "libavif: some libyuv optimizations require at least version 1813 to work.") |
| endif() |
| endif() |
| endif() |
| if(AVIF_LIBYUV_ENABLED) |
| target_compile_definitions(avif_obj PRIVATE -DAVIF_LIBYUV_ENABLED=1) |
| avif_target_link_library(yuv::yuv) |
| set(AVIF_PKG_CONFIG_EXTRA_LIBS_PRIVATE "${AVIF_PKG_CONFIG_EXTRA_LIBS_PRIVATE} -lyuv") |
| endif(AVIF_LIBYUV_ENABLED) |
| |
| set_local_or_system_option("LIBSHARPYUV" "OFF" "Use libsharpyuv.") |
| check_avif_option(AVIF_LIBSHARPYUV TARGET sharpyuv::sharpyuv PKG_NAME libsharpyuv) |
| if(AVIF_LIBSHARPYUV_ENABLED) |
| message(STATUS "libavif: libsharpyuv found; sharp rgb to yuv conversion enabled.") |
| set(AVIF_PKG_CONFIG_EXTRA_REQUIRES_PRIVATE "${AVIF_PKG_CONFIG_EXTRA_REQUIRES_PRIVATE} libsharpyuv") |
| target_compile_definitions(avif_obj PRIVATE -DAVIF_LIBSHARPYUV_ENABLED=1) |
| avif_target_link_library(sharpyuv::sharpyuv) |
| endif(AVIF_LIBSHARPYUV_ENABLED) |
| |
| option(AVIF_LOCAL_LIBXML2 "Build libxml2 by providing your own copy inside the ext subdir. \ |
| libxml2 is used when AVIF_ENABLE_EXPERIMENTAL_GAIN_MAP is ON" OFF |
| ) |
| if(AVIF_ENABLE_EXPERIMENTAL_GAIN_MAP) |
| if(NOT TARGET LibXml2::LibXml2) |
| if(AVIF_LOCAL_LIBXML2) |
| include(LocalLibXml2) |
| else() |
| find_package(LibXml2 QUIET) |
| endif() |
| endif() |
| endif() |
| # --------------------------------------------------------------------------------------- |
| |
| # Enable all warnings |
| include(CheckCCompilerFlag) |
| if(CMAKE_C_COMPILER_ID MATCHES "Clang") |
| message(STATUS "libavif: Enabling warnings for Clang") |
| target_compile_options(avif_obj PUBLIC $<BUILD_INTERFACE:-Wall -Wextra -Wshorten-64-to-32>) |
| elseif(CMAKE_C_COMPILER_ID MATCHES "GNU") |
| message(STATUS "libavif: Enabling warnings for GCC") |
| target_compile_options(avif_obj PUBLIC $<BUILD_INTERFACE:-Wall -Wextra>) |
| elseif(CMAKE_C_COMPILER_ID MATCHES "MSVC") |
| message(STATUS "libavif: Enabling warnings for MSVC") |
| target_compile_options( |
| avif_obj |
| PUBLIC $<BUILD_INTERFACE: |
| /W4 |
| /wd4324 # Disable: structure was padded due to alignment specifier |
| /wd4996 # Disable: potentially unsafe stdlib methods |
| # This tells MSVC to read source code as UTF-8 and assume console can only use ASCII (minimal safe). |
| # libavif uses ANSI API to print to console, which is not portable between systems using different |
| # languages and results in mojibake unless we only use codes shared by every code page: ASCII. |
| # A C4556 warning will be generated on violation. |
| # Commonly used /utf-8 flag assumes UTF-8 for both source and console, which is usually not the case. |
| # Warnings can be suppressed but there will still be random characters printed to the console. |
| /source-charset:utf-8 |
| /execution-charset:us-ascii |
| > |
| ) |
| else() |
| message(FATAL_ERROR "libavif: Unknown compiler, bailing out") |
| endif() |
| |
| if(AVIF_ENABLE_WERROR) |
| # Warnings as errors |
| if(CMAKE_C_COMPILER_ID MATCHES "Clang" OR CMAKE_C_COMPILER_ID MATCHES "GNU") |
| target_compile_options(avif_obj PUBLIC $<BUILD_INTERFACE:-Werror>) |
| elseif(CMAKE_C_COMPILER_ID MATCHES "MSVC") |
| target_compile_options(avif_obj PUBLIC $<BUILD_INTERFACE:/WX>) |
| else() |
| message(FATAL_ERROR "libavif: Unknown compiler, bailing out") |
| endif() |
| endif() |
| |
| if(AVIF_ENABLE_WUNUSED_RESULT) |
| if(CMAKE_VERSION VERSION_GREATER_EQUAL 3.21.0) |
| set(CMAKE_C_STANDARD 23) |
| set_property(TARGET avif_obj PROPERTY C_STANDARD 23) |
| else() |
| unset(CMAKE_C_STANDARD) |
| set_property(TARGET avif_obj PROPERTY C_STANDARD) |
| target_compile_options(avif_obj PUBLIC $<BUILD_INTERFACE:$<$<COMPILE_LANGUAGE:C>:-std=gnu2x>>) |
| endif() |
| target_compile_options(avif_obj PUBLIC $<BUILD_INTERFACE:-Wunused-result>) |
| target_compile_definitions(avif_obj PUBLIC $<BUILD_INTERFACE:AVIF_ENABLE_NODISCARD=1>) |
| endif() |
| |
| if(AVIF_ENABLE_COVERAGE) |
| if(CMAKE_C_COMPILER_ID MATCHES "Clang" OR CMAKE_C_COMPILER_ID MATCHES "GNU") |
| message(STATUS "libavif: Enabling coverage for Clang") |
| target_compile_options(avif_obj PUBLIC $<BUILD_INTERFACE:-fprofile-instr-generate -fcoverage-mapping -O0>) |
| target_compile_options(avif PUBLIC $<BUILD_INTERFACE:-fprofile-instr-generate -fcoverage-mapping -O0>) |
| set(CMAKE_EXE_LINKER_FLAGS ${CMAKE_EXE_LINKER_FLAGS} "-fprofile-instr-generate -fcoverage-mapping") |
| else() |
| # TODO: Add support for other compilers |
| message(WARNING "libavif: Ignoring request for coverage (AVIF_ENABLE_COVERAGE); only clang is currently supported.") |
| set(AVIF_ENABLE_COVERAGE OFF) |
| endif() |
| endif() |
| |
| if(AVIF_ENABLE_EXPERIMENTAL_YCGCO_R) |
| add_compile_definitions(AVIF_ENABLE_EXPERIMENTAL_YCGCO_R) |
| endif() |
| |
| if(AVIF_ENABLE_EXPERIMENTAL_GAIN_MAP) |
| add_compile_definitions(AVIF_ENABLE_EXPERIMENTAL_GAIN_MAP) |
| endif() |
| |
| if(AVIF_ENABLE_EXPERIMENTAL_AVIR) |
| add_compile_definitions(AVIF_ENABLE_EXPERIMENTAL_AVIR) |
| endif() |
| |
| set(AVIF_SRCS |
| src/alpha.c |
| src/avif.c |
| src/colr.c |
| src/colrconvert.c |
| src/diag.c |
| src/exif.c |
| src/io.c |
| src/mem.c |
| src/obu.c |
| src/rawdata.c |
| src/read.c |
| src/reformat.c |
| src/reformat_libsharpyuv.c |
| src/reformat_libyuv.c |
| src/scale.c |
| src/stream.c |
| src/utils.c |
| src/write.c |
| ) |
| if(AVIF_ENABLE_EXPERIMENTAL_GAIN_MAP) |
| list(APPEND AVIF_SRCS src/gainmap.c) |
| endif() |
| |
| if(AVIF_ENABLE_COMPLIANCE_WARDEN) |
| if(NOT EXISTS "${CMAKE_CURRENT_SOURCE_DIR}/ext/ComplianceWarden") |
| message(FATAL_ERROR "AVIF_ENABLE_COMPLIANCE_WARDEN: ext/ComplianceWarden is missing, bailing out") |
| endif() |
| |
| set(AVIF_USE_CXX ON) |
| target_compile_definitions(avif_obj PRIVATE AVIF_ENABLE_COMPLIANCE_WARDEN) |
| |
| list( |
| APPEND |
| AVIF_SRCS |
| src/compliance.cc |
| ext/ComplianceWarden/src/app/cw.cpp |
| ext/ComplianceWarden/src/app/options.cpp |
| ext/ComplianceWarden/src/app/report_std.cpp |
| ext/ComplianceWarden/src/app/report_json.cpp |
| ext/ComplianceWarden/src/utils/common_boxes.cpp |
| ext/ComplianceWarden/src/utils/tools.cpp |
| ext/ComplianceWarden/src/utils/av1_utils.cpp |
| ext/ComplianceWarden/src/utils/isobmff_utils.cpp |
| ext/ComplianceWarden/src/utils/isobmff_derivations.cpp |
| ext/ComplianceWarden/src/utils/spec_utils.cpp |
| ext/ComplianceWarden/src/specs/av1_hdr10plus/av1_hdr10plus.cpp |
| ext/ComplianceWarden/src/specs/avif/avif.cpp |
| ext/ComplianceWarden/src/specs/avif/profiles.cpp |
| ext/ComplianceWarden/src/specs/avif/utils.cpp |
| ext/ComplianceWarden/src/specs/isobmff/isobmff.cpp |
| ext/ComplianceWarden/src/specs/heif/heif.cpp |
| ext/ComplianceWarden/src/specs/miaf/miaf.cpp |
| ext/ComplianceWarden/src/specs/miaf/audio.cpp |
| ext/ComplianceWarden/src/specs/miaf/brands.cpp |
| ext/ComplianceWarden/src/specs/miaf/derivations.cpp |
| ext/ComplianceWarden/src/specs/miaf/colours.cpp |
| ext/ComplianceWarden/src/specs/miaf/num_pixels.cpp |
| ext/ComplianceWarden/src/specs/miaf/profiles.cpp |
| ext/ComplianceWarden/src/cw_version.cpp |
| ) |
| endif() |
| |
| target_sources(avif_obj PRIVATE ${AVIF_SRCS}) |
| |
| # Only applicable to macOS. In GitHub CI's macos-latest os image, this prevents using the libpng |
| # and libjpeg headers from /Library/Frameworks/Mono.framework/Headers instead of |
| # /usr/local/include. |
| set(CMAKE_FIND_FRAMEWORK LAST) |
| |
| if(UNIX OR MINGW) |
| # Find out if we have threading available |
| set(THREADS_PREFER_PTHREAD_FLAG ON) |
| find_package(Threads) |
| target_link_libraries(avif_obj PUBLIC m Threads::Threads) |
| endif() |
| |
| if(NOT AVIF_LIBYUV_ENABLED) |
| target_sources( |
| avif_obj |
| PRIVATE third_party/libyuv/source/scale.c third_party/libyuv/source/scale_common.c third_party/libyuv/source/scale_any.c |
| third_party/libyuv/source/row_common.c third_party/libyuv/source/planar_functions.c |
| ) |
| if(DEFINED ANDROID_ABI OR DEFINED APPLE) |
| # When building third_party/libyuv/source/scale.c, some functions use |
| # some of the parameters only inside an assert statement. This causes |
| # unused parameter warnings when building for Android. Suppress the |
| # warning in that case. |
| target_compile_options(avif_obj PRIVATE -Wno-unused-parameter) |
| endif() |
| endif() |
| |
| check_avif_option(AVIF_CODEC_DAV1D TARGET dav1d::dav1d PKG_NAME dav1d) |
| if(AVIF_CODEC_DAV1D_ENABLED) |
| target_compile_definitions(avif_obj PRIVATE -DAVIF_CODEC_DAV1D=1) |
| target_sources(avif_obj PRIVATE src/codec_dav1d.c) |
| |
| if(UNIX AND NOT APPLE) |
| target_link_libraries(dav1d::dav1d INTERFACE ${CMAKE_DL_LIBS}) # for dlsym |
| endif() |
| |
| avif_target_link_library(dav1d::dav1d) |
| |
| message(STATUS "libavif: Codec enabled: dav1d (decode)") |
| set(AVIF_PKG_CONFIG_EXTRA_REQUIRES_PRIVATE "${AVIF_PKG_CONFIG_EXTRA_REQUIRES_PRIVATE} dav1d") |
| endif() |
| |
| check_avif_option(AVIF_CODEC_LIBGAV1 TARGET libgav1::libgav1 PKG_NAME libgav1) |
| if(AVIF_CODEC_LIBGAV1_ENABLED) |
| target_compile_definitions(avif_obj PRIVATE -DAVIF_CODEC_LIBGAV1=1) |
| target_sources(avif_obj PRIVATE src/codec_libgav1.c) |
| avif_target_link_library(libgav1::libgav1) |
| |
| message(STATUS "libavif: Codec enabled: libgav1 (decode)") |
| endif() |
| |
| check_avif_option(AVIF_CODEC_RAV1E TARGET rav1e::rav1e PKG_NAME rav1e) |
| if(AVIF_CODEC_RAV1E_ENABLED) |
| target_compile_definitions(avif_obj PRIVATE -DAVIF_CODEC_RAV1E=1) |
| target_sources(avif_obj PRIVATE src/codec_rav1e.c) |
| |
| # Unfortunately, rav1e requires a few more libraries |
| if(WIN32) |
| target_link_libraries(rav1e::rav1e INTERFACE ntdll.lib userenv.lib ws2_32.lib bcrypt.lib) |
| elseif(UNIX AND NOT APPLE) |
| target_link_libraries(rav1e::rav1e INTERFACE ${CMAKE_DL_LIBS}) # for backtrace |
| endif() |
| |
| avif_target_link_library(rav1e::rav1e) |
| |
| message(STATUS "libavif: Codec enabled: rav1e (encode)") |
| set(AVIF_PKG_CONFIG_EXTRA_REQUIRES_PRIVATE "${AVIF_PKG_CONFIG_EXTRA_REQUIRES_PRIVATE} rav1e") |
| endif() |
| |
| check_avif_option(AVIF_CODEC_SVT TARGET SvtAv1Enc PKG_NAME svt) |
| if(AVIF_CODEC_SVT_ENABLED) |
| target_compile_definitions(avif_obj PRIVATE -DAVIF_CODEC_SVT=1) |
| target_sources(avif_obj PRIVATE src/codec_svt.c) |
| avif_target_link_library(SvtAv1Enc) |
| |
| message(STATUS "libavif: Codec enabled: svt (encode)") |
| set(AVIF_PKG_CONFIG_EXTRA_REQUIRES_PRIVATE "${AVIF_PKG_CONFIG_EXTRA_REQUIRES_PRIVATE} SvtAv1Enc") |
| endif() |
| |
| check_avif_option(AVIF_CODEC_AOM TARGET aom PKG_NAME aom) |
| if(AVIF_CODEC_AOM_ENABLED) |
| target_compile_definitions(avif_obj PRIVATE -DAVIF_CODEC_AOM=1) |
| if(AVIF_CODEC_AOM_ENCODE AND AVIF_CODEC_AOM_DECODE) |
| set(AVIF_CODEC_AOM_ENCODE_DECODE_CONFIG "encode/decode") |
| target_compile_definitions(avif_obj PRIVATE -DAVIF_CODEC_AOM_ENCODE=1 -DAVIF_CODEC_AOM_DECODE=1) |
| elseif(AVIF_CODEC_AOM_ENCODE) |
| set(AVIF_CODEC_AOM_ENCODE_DECODE_CONFIG "encode only") |
| target_compile_definitions(avif_obj PRIVATE -DAVIF_CODEC_AOM_ENCODE=1) |
| elseif(AVIF_CODEC_AOM_DECODE) |
| set(AVIF_CODEC_AOM_ENCODE_DECODE_CONFIG "decode only") |
| target_compile_definitions(avif_obj PRIVATE -DAVIF_CODEC_AOM_DECODE=1) |
| else() |
| message( |
| FATAL_ERROR |
| "libavif: AVIF_CODEC_AOM is on, but both AVIF_CODEC_AOM_ENCODE and AVIF_CODEC_AOM_DECODE are off. Disable AVIF_CODEC_AOM to disable both parts of the codec." |
| ) |
| endif() |
| target_sources(avif_obj PRIVATE src/codec_aom.c) |
| |
| avif_target_link_library(aom) |
| |
| message(STATUS "libavif: Codec enabled: aom (${AVIF_CODEC_AOM_ENCODE_DECODE_CONFIG})") |
| set(AVIF_PKG_CONFIG_EXTRA_REQUIRES_PRIVATE "${AVIF_PKG_CONFIG_EXTRA_REQUIRES_PRIVATE} aom") |
| endif() |
| |
| check_avif_option(AVIF_CODEC_AVM TARGET aom PKG_NAME avm) |
| if(AVIF_CODEC_AVM_ENABLED) |
| message(WARNING "libavif: AV2 support with avm is experimental. Only use for testing.") |
| |
| # The avm repository is a fork of aom and inherited a lot of folders, files and build artifacts named the same way. |
| # Having both dependencies at the same time generates conflicts in includes, binary lookups etc. |
| if(AVIF_CODEC_AOM_ENABLED) |
| message(FATAL_ERROR "libavif: aom conflicts with avm, bailing out") |
| endif() |
| |
| target_compile_definitions(avif_obj PUBLIC -DAVIF_CODEC_AVM=1) |
| target_sources(avif_obj PRIVATE src/codec_avm.c) |
| |
| avif_target_link_library(aom) |
| |
| message(STATUS "libavif: Codec enabled: avm (encode/decode)") |
| endif() |
| |
| if(NOT AVIF_CODEC_AOM_ENABLED |
| AND NOT AVIF_CODEC_DAV1D_ENABLED |
| AND NOT AVIF_CODEC_LIBGAV1_ENABLED |
| AND NOT AVIF_CODEC_AVM_ENABLED |
| ) |
| message(WARNING "libavif: No decoding library is enabled.") |
| endif() |
| |
| set_target_properties(avif_obj PROPERTIES C_VISIBILITY_PRESET hidden) |
| target_include_directories(avif_obj PUBLIC $<BUILD_INTERFACE:${libavif_SOURCE_DIR}/include>) |
| if(NOT AVIF_LIBYUV_ENABLED) |
| target_include_directories(avif_obj PRIVATE ${libavif_SOURCE_DIR}/third_party/libyuv/include/) |
| endif() |
| if(AVIF_ENABLE_COMPLIANCE_WARDEN) |
| target_include_directories(avif_obj PRIVATE ${libavif_SOURCE_DIR}/ext/ComplianceWarden/src/utils/) |
| endif() |
| set(AVIF_PKG_CONFIG_EXTRA_CFLAGS "") |
| if(BUILD_SHARED_LIBS) |
| target_compile_definitions(avif_obj PRIVATE AVIF_DLL AVIF_BUILDING_SHARED_LIBS) |
| set(AVIF_PKG_CONFIG_EXTRA_CFLAGS " -DAVIF_DLL") |
| endif() |
| |
| # Main avif library. |
| set_target_properties(avif PROPERTIES VERSION ${LIBRARY_VERSION} SOVERSION ${LIBRARY_SOVERSION}) |
| target_link_libraries(avif PRIVATE avif_obj) |
| target_include_directories(avif PUBLIC $<BUILD_INTERFACE:${libavif_SOURCE_DIR}/include> $<INSTALL_INTERFACE:include>) |
| if(BUILD_SHARED_LIBS) |
| target_compile_definitions(avif INTERFACE AVIF_DLL) |
| if(AVIF_USE_CXX) |
| set_target_properties(avif PROPERTIES LINKER_LANGUAGE "CXX") |
| endif() |
| endif() |
| |
| # Give access to functions defined in internal.h when BUILD_SHARED_LIBS is ON, to tests for example. |
| # The avif_internal target should not be used by external code. |
| if(BUILD_SHARED_LIBS) |
| add_library(avif_internal STATIC) |
| target_link_libraries(avif_internal PRIVATE avif_obj) |
| target_include_directories(avif_internal PUBLIC ${libavif_SOURCE_DIR}/include) |
| # Define the following to avoid linking against avif and avif_internal at the same time. |
| target_compile_definitions(avif_internal PUBLIC AVIF_USING_STATIC_LIBS) |
| else() |
| include(merge_static_libs) |
| set_target_properties(avif PROPERTIES AVIF_LOCAL ON) |
| merge_static_libs(avif_static avif) |
| # Set the avif target's output to "avif_internal" and set the output name of |
| # the combined static archive target (avif_static)) to avif, so that libavif.a |
| # is the merged archive. |
| set_target_properties(avif_static PROPERTIES OUTPUT_NAME avif EXPORT_NAME avif) |
| set_target_properties(avif PROPERTIES OUTPUT_NAME avif_internal EXPORT_NAME avif_internal) |
| add_library(avif_internal ALIAS avif) |
| endif() |
| |
| option(AVIF_BUILD_EXAMPLES "Build avif examples." OFF) |
| if(AVIF_BUILD_EXAMPLES) |
| set(AVIF_EXAMPLES avif_example_decode_memory avif_example_decode_file avif_example_decode_streaming avif_example_encode) |
| |
| foreach(EXAMPLE ${AVIF_EXAMPLES}) |
| add_executable(${EXAMPLE} examples/${EXAMPLE}.c) |
| if(AVIF_USE_CXX) |
| set_target_properties(${EXAMPLE} PROPERTIES LINKER_LANGUAGE "CXX") |
| endif() |
| target_link_libraries(${EXAMPLE} avif) |
| endforeach() |
| endif() |
| |
| if(CMAKE_SKIP_INSTALL_RULES) |
| set(SKIP_INSTALL_ALL TRUE) |
| endif() |
| |
| if(NOT SKIP_INSTALL_ALL) |
| include(GNUInstallDirs) |
| endif() |
| |
| if(AVIF_CODEC_AOM_ENABLED) |
| get_target_property(AOM_INTERFACE_LINK_LIBRARIES aom INTERFACE_LINK_LIBRARIES) |
| if(AOM_INTERFACE_LINK_LIBRARIES MATCHES vmaf) |
| # vmaf only affects the avifenc and avifdec targets below, not the avif library nor examples targets. |
| set(AVIF_USE_CXX ON) |
| endif() |
| endif() |
| |
| if(AVIF_USE_CXX) |
| enable_language(CXX) |
| set(CMAKE_CXX_STANDARD 14) |
| endif() |
| |
| option(AVIF_BUILD_APPS "Build avif apps." OFF) |
| option(AVIF_BUILD_TESTS "Build avif tests." OFF) |
| option( |
| AVIF_ENABLE_GOLDEN_TESTS |
| "Build tests that compare encoding outputs to golden files. Needs AVIF_BUILD_APPS=ON, and depends on MP4box which can be built with ext/mp4box.sh" |
| OFF |
| ) |
| option(AVIF_ENABLE_GTEST |
| "Build avif C++ tests, which depend on GoogleTest. Requires GoogleTest. Has no effect unless AVIF_BUILD_TESTS is ON." ON |
| ) |
| option( |
| AVIF_ENABLE_FUZZTEST |
| "Build avif fuzztest targets. Requires Google FuzzTest. Has no effect unless AVIF_BUILD_TESTS and AVIF_ENABLE_GTEST are ON." |
| OFF |
| ) |
| |
| if(AVIF_BUILD_APPS OR (AVIF_BUILD_TESTS AND (AVIF_ENABLE_FUZZTEST OR AVIF_ENABLE_GTEST))) |
| if(AVIF_ZLIBPNG STREQUAL "OFF") |
| message(FATAL_ERROR "libavif: AVIF_ZLIBPNG cannot be OFF when AVIF_BUILD_APPS or AVIF_BUILD_TESTS is ON") |
| elseif(AVIF_ZLIBPNG STREQUAL "SYSTEM") |
| find_package(ZLIB REQUIRED) |
| find_package(PNG 1.6.32 REQUIRED) # 1.6.32 or above for png_get_eXIf_1()/png_set_eXIf_1() and iTXt (for XMP). |
| endif() |
| if(AVIF_JPEG STREQUAL "OFF") |
| message(FATAL_ERROR "libavif: AVIF_JPEG cannot be OFF when AVIF_BUILD_APPS or AVIF_BUILD_TESTS is ON") |
| elseif(AVIF_JPEG STREQUAL "SYSTEM") |
| find_package(JPEG REQUIRED) |
| endif() |
| |
| add_library( |
| avif_apps_obj OBJECT $<TARGET_OBJECTS:avif_obj> apps/shared/avifexif.c apps/shared/avifjpeg.c apps/shared/avifpng.c |
| apps/shared/avifutil.c apps/shared/iccmaker.c apps/shared/y4m.c third_party/iccjpeg/iccjpeg.c |
| ) |
| # Instead of building avif_apps/avif_apps_internal and linking to avif/avif_internal, avif_apps_obj only does one compilation. |
| # Still, the compile definitions needs to be passed from avif to avif_apps. The following also passes them to avif_apps_internal but AVIF_DLL does not impact avif_apps_internal. |
| target_compile_definitions(avif_apps_obj PRIVATE $<BUILD_INTERFACE:$<TARGET_PROPERTY:avif,INTERFACE_COMPILE_DEFINITIONS>>) |
| target_link_libraries(avif_apps_obj PUBLIC avif_obj PNG::PNG ZLIB::ZLIB JPEG::JPEG) |
| if(CMAKE_SYSTEM_NAME STREQUAL "Linux") |
| target_link_libraries(avif_apps_obj PRIVATE m) |
| endif() |
| # In GitHub CI's macos-latest os image, /usr/local/include has not only the headers of libpng |
| # and libjpeg but also the headers of an older version of libavif. Put the avif include |
| # directory before ${PNG_PNG_INCLUDE_DIR} ${JPEG_INCLUDE_DIR} to prevent picking up old libavif |
| # headers from /usr/local/include. |
| target_include_directories(avif_apps_obj PRIVATE third_party/iccjpeg) |
| target_include_directories(avif_apps_obj SYSTEM PRIVATE ${PNG_PNG_INCLUDE_DIR} ${JPEG_INCLUDE_DIR}) |
| |
| if(AVIF_ENABLE_EXPERIMENTAL_GAIN_MAP) |
| if(TARGET LibXml2::LibXml2) |
| set(AVIF_ENABLE_EXPERIMENTAL_JPEG_GAIN_MAP_CONVERSION TRUE) |
| add_compile_definitions(AVIF_ENABLE_EXPERIMENTAL_JPEG_GAIN_MAP_CONVERSION) |
| target_link_libraries(avif_apps_obj PRIVATE LibXml2::LibXml2) |
| else() |
| message(STATUS "libavif: libxml2 not found; avifenc will ignore any gain map in jpeg files") |
| endif() |
| endif() |
| |
| # Main avif_apps library. |
| add_library(avif_apps STATIC) |
| target_link_libraries(avif_apps PUBLIC avif PRIVATE avif_apps_obj) |
| target_include_directories(avif_apps INTERFACE apps/shared) |
| |
| # avif_apps_internal is to use when linking to avif_internal. |
| if(BUILD_SHARED_LIBS) |
| add_library(avif_apps_internal STATIC) |
| target_link_libraries(avif_apps_internal PUBLIC avif_internal PRIVATE avif_apps_obj) |
| target_include_directories(avif_apps_internal INTERFACE apps/shared) |
| else() |
| add_library(avif_apps_internal ALIAS avif_apps) |
| endif() |
| endif() |
| |
| if(AVIF_BUILD_APPS) |
| add_executable(avifenc apps/avifenc.c) |
| if(WIN32) |
| # MinGW doesn't have a manifest tool (mt.exe), so we need to wrap |
| # utf8.manifest in a resource-definition script (.rc file). |
| target_sources(avifenc PRIVATE apps/utf8.rc) |
| # The MSVC linker (link.exe) fails with the following error if we |
| # don't use the /MANIFEST:NO linker option: |
| # /MANIFEST:EMBED,ID=1" failed (exit code 1123) with the following |
| # output: |
| # CVTRES : fatal error CVT1100: duplicate resource. type:MANIFEST, |
| # name:1, language:0x0409 |
| if(NOT MINGW) |
| target_link_options(avifenc PRIVATE /MANIFEST:NO) |
| endif() |
| endif() |
| if(AVIF_USE_CXX) |
| set_target_properties(avifenc PROPERTIES LINKER_LANGUAGE "CXX") |
| endif() |
| target_link_libraries(avifenc avif_apps) |
| add_executable(avifdec apps/avifdec.c) |
| if(WIN32) |
| target_sources(avifdec PRIVATE apps/utf8.rc) |
| if(NOT MINGW) |
| target_link_options(avifdec PRIVATE /MANIFEST:NO) |
| endif() |
| endif() |
| if(AVIF_USE_CXX) |
| set_target_properties(avifdec PROPERTIES LINKER_LANGUAGE "CXX") |
| endif() |
| target_link_libraries(avifdec avif_apps) |
| |
| if(NOT SKIP_INSTALL_APPS AND NOT SKIP_INSTALL_ALL) |
| install( |
| TARGETS avifenc avifdec |
| RUNTIME DESTINATION "${CMAKE_INSTALL_BINDIR}" |
| ARCHIVE DESTINATION "${CMAKE_INSTALL_LIBDIR}" |
| LIBRARY DESTINATION "${CMAKE_INSTALL_LIBDIR}" |
| ) |
| endif() |
| if(AVIF_ENABLE_EXPERIMENTAL_GAIN_MAP) |
| include(LocalLibargparse) |
| if(TARGET libargparse) |
| set(AVIF_ENABLE_AVIFGAINMAPUTIL TRUE) |
| |
| set(AVIFGAINMAPUTIL_SRCS |
| apps/avifgainmaputil/avifgainmaputil.cc |
| apps/avifgainmaputil/convert_command.cc |
| apps/avifgainmaputil/combine_command.cc |
| apps/avifgainmaputil/extractgainmap_command.cc |
| apps/avifgainmaputil/imageio.cc |
| apps/avifgainmaputil/printmetadata_command.cc |
| apps/avifgainmaputil/tonemap_command.cc |
| apps/avifgainmaputil/program_command.cc |
| apps/avifgainmaputil/swapbase_command.cc |
| ) |
| |
| add_executable(avifgainmaputil "${AVIFGAINMAPUTIL_SRCS}") |
| if(WIN32) |
| target_sources(avifgainmaputil PRIVATE apps/utf8.rc) |
| if(NOT MINGW) |
| target_link_options(avifgainmaputil PRIVATE /MANIFEST:NO) |
| endif() |
| endif() |
| set_target_properties(avifgainmaputil PROPERTIES LINKER_LANGUAGE "CXX") |
| target_include_directories(avifgainmaputil PRIVATE apps/avifgainmaputil/) |
| target_link_libraries(avifgainmaputil libargparse avif_apps) |
| # Don't add avifgainmaputil to installed apps for now. |
| endif() |
| endif() |
| endif() |
| |
| if(AVIF_BUILD_TESTS) |
| enable_testing() # Allow ctest to be called from top-level directory. |
| add_subdirectory(tests) |
| endif() |
| |
| option(AVIF_BUILD_MAN_PAGES "Build avif man pages." OFF) |
| if(AVIF_BUILD_MAN_PAGES) |
| if(AVIF_BUILD_APPS) |
| find_program(PANDOC_EXE pandoc) |
| if(PANDOC_EXE) |
| message(STATUS "libavif: Using pandoc: ${PANDOC_EXE}") |
| else() |
| message(FATAL_ERROR "libavif: Pandoc is missing, bailing out") |
| endif() |
| |
| set(MAN_PAGES avifenc.1 avifdec.1) |
| |
| foreach(MAN_PAGE ${MAN_PAGES}) |
| add_custom_command( |
| OUTPUT ${MAN_PAGE} |
| COMMAND ${PANDOC_EXE} -s -V "footer=libavif ${PROJECT_VERSION}" -f markdown -t man -o |
| "${CMAKE_CURRENT_BINARY_DIR}/${MAN_PAGE}" "${CMAKE_CURRENT_SOURCE_DIR}/doc/${MAN_PAGE}.md" |
| DEPENDS "${CMAKE_CURRENT_SOURCE_DIR}/doc/${MAN_PAGE}.md" |
| VERBATIM |
| ) |
| endforeach() |
| add_custom_target(man_pages ALL DEPENDS ${MAN_PAGES}) |
| |
| foreach(MAN_PAGE ${MAN_PAGES}) |
| install(FILES "${CMAKE_CURRENT_BINARY_DIR}/${MAN_PAGE}" DESTINATION "${CMAKE_INSTALL_MANDIR}/man1") |
| endforeach() |
| else() |
| message(WARNING "libavif: No man pages are built (AVIF_BUILD_MAN_PAGES); AVIF_BUILD_APPS must be on.") |
| endif() |
| endif() |
| |
| if(NOT SKIP_INSTALL_LIBRARIES AND NOT SKIP_INSTALL_ALL) |
| if(BUILD_SHARED_LIBS) |
| set(LIBAVIF_INSTALL_TARGET avif) |
| else() |
| set(LIBAVIF_INSTALL_TARGET avif_static) |
| endif() |
| install( |
| TARGETS ${LIBAVIF_INSTALL_TARGET} |
| EXPORT ${PROJECT_NAME}-config |
| RUNTIME DESTINATION "${CMAKE_INSTALL_BINDIR}" |
| ARCHIVE DESTINATION "${CMAKE_INSTALL_LIBDIR}" |
| LIBRARY DESTINATION "${CMAKE_INSTALL_LIBDIR}" |
| ) |
| |
| # Enable CMake configs in VCPKG mode |
| if(BUILD_SHARED_LIBS OR VCPKG_TARGET_TRIPLET) |
| install(EXPORT ${PROJECT_NAME}-config DESTINATION ${CMAKE_INSTALL_LIBDIR}/cmake/${PROJECT_NAME}) |
| |
| include(CMakePackageConfigHelpers) |
| write_basic_package_version_file( |
| ${PROJECT_NAME}-config-version.cmake VERSION ${PROJECT_VERSION} COMPATIBILITY SameMajorVersion |
| ) |
| install(FILES ${CMAKE_CURRENT_BINARY_DIR}/${PROJECT_NAME}-config-version.cmake |
| DESTINATION ${CMAKE_INSTALL_LIBDIR}/cmake/${PROJECT_NAME} |
| ) |
| endif() |
| |
| # Handle both relative and absolute paths (e.g. NixOS) for a relocatable package |
| if(IS_ABSOLUTE "${CMAKE_INSTALL_INCLUDEDIR}") |
| set(PC_INCLUDEDIR "${CMAKE_INSTALL_INCLUDEDIR}") |
| else() |
| set(PC_INCLUDEDIR "\${prefix}/${CMAKE_INSTALL_INCLUDEDIR}") |
| endif() |
| if(IS_ABSOLUTE "${CMAKE_INSTALL_LIBDIR}") |
| set(PC_LIBDIR "${CMAKE_INSTALL_LIBDIR}") |
| else() |
| set(PC_LIBDIR "\${exec_prefix}/${CMAKE_INSTALL_LIBDIR}") |
| endif() |
| configure_file(libavif.pc.cmake ${CMAKE_CURRENT_BINARY_DIR}/libavif.pc @ONLY) |
| install(FILES ${CMAKE_CURRENT_BINARY_DIR}/libavif.pc DESTINATION ${CMAKE_INSTALL_LIBDIR}/pkgconfig) |
| endif() |
| if(NOT SKIP_INSTALL_HEADERS AND NOT SKIP_INSTALL_ALL) |
| install(FILES include/avif/avif.h include/avif/avif_cxx.h DESTINATION "${CMAKE_INSTALL_INCLUDEDIR}/avif") |
| endif() |
| |
| # --------------------------------------------------------------------------------------- |
| # Win32 (Visual Studio) fixups |
| |
| macro(avif_set_folder_safe target folder) |
| if(TARGET ${target}) |
| set_target_properties(${target} PROPERTIES FOLDER ${folder}) |
| endif() |
| endmacro() |
| |
| macro(avif_exclude_safe target) |
| if(TARGET ${target}) |
| set_target_properties(${target} PROPERTIES EXCLUDE_FROM_DEFAULT_BUILD True) |
| endif() |
| endmacro() |
| |
| if(WIN32) |
| set_property(GLOBAL PROPERTY USE_FOLDERS ON) |
| |
| avif_set_folder_safe(avif "ext/avif") |
| if(AVIF_BUILD_EXAMPLES) |
| foreach(EXAMPLE ${AVIF_EXAMPLES}) |
| avif_set_folder_safe(${EXAMPLE} "ext/avif/examples") |
| endforeach() |
| endif() |
| if(AVIF_ZLIBPNG STREQUAL "LOCAL") |
| avif_set_folder_safe(example "ext/zlibpng") |
| avif_set_folder_safe(genfiles "ext/zlibpng") |
| avif_set_folder_safe(minigzip "ext/zlibpng") |
| avif_set_folder_safe(png_static "ext/zlibpng") |
| avif_set_folder_safe(zlib "ext/zlibpng") |
| avif_set_folder_safe(zlibstatic "ext/zlibpng") |
| |
| # Don't bother building these targets |
| avif_exclude_safe(example) |
| avif_exclude_safe(genfiles) |
| avif_exclude_safe(minigzip) |
| endif() |
| if(AVIF_LOCAL_JPEG) |
| avif_set_folder_safe(JPEG::JPEG "ext/libjpeg-turbo") |
| endif() |
| if(AVIF_LOCAL_LIBXML2) |
| avif_set_folder_safe(xml2 "ext/libxml2") |
| endif() |
| endif() |
| |
| add_subdirectory(contrib) |
