mirror of https://github.com/libsdl-org/SDL
cmake: use *_STATIC_* variables when linking to a static ffmpeg
This commit is contained in:
Anonymous Maarten
Sam Lantinga
parent
88f2fb9dcf
commit
ebf5e08fa1
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@ -87,6 +87,11 @@ jobs:
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run: |
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cp -rv /vita/dependencies/* ${VITASDK}/arm-vita-eabi
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- name: Fix vita.toolchain.cmake
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run: |
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# cache PKG_CONFIG_PATH
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sed -i -E 's/set\( PKG_CONFIG_EXECUTABLE "\$\{VITASDK}\/bin\/arm-vita-eabi-pkg-config" )/set( PKG_CONFIG_EXECUTABLE "${VITASDK}\/bin\/arm-vita-eabi-pkg-config" CACHE PATH "Path of pkg-config executable" )/' ${VITASDK}/share/vita.toolchain.cmake
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- name: Configure (CMake)
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run: |
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cmake -S . -B build -G Ninja \
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@ -1,11 +1,8 @@
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# vim: ts=2 sw=2
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# - Try to find the required ffmpeg components(default: AVFORMAT, AVUTIL, AVCODEC)
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#
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# Once done this will define
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# FFMPEG_FOUND - System has the all required components.
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# FFMPEG_INCLUDE_DIRS - Include directory necessary for using the required components headers.
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# FFMPEG_LIBRARIES - Link these to use the required ffmpeg components.
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# FFMPEG_DEFINITIONS - Compiler switches required for using the required ffmpeg components.
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#
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# For each of the components it will additionally set.
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# - AVCODEC
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@ -15,40 +12,35 @@
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# - AVUTIL
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# - POSTPROC
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# - SWSCALE
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# the following target will be defined
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# FFmpeg::SDL::<component> - link to this target to
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# the following variables will be defined
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# <component>_FOUND - System has <component>
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# <component>_INCLUDE_DIRS - Include directory necessary for using the <component> headers
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# <component>_LIBRARIES - Link these to use <component>
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# <component>_DEFINITIONS - Compiler switches required for using <component>
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# <component>_VERSION - The components version
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# FFmpeg_<component>_FOUND - System has <component>
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# FFmpeg_<component>_INCLUDE_DIRS - Include directory necessary for using the <component> headers
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# FFmpeg_<component>_LIBRARIES - Link these to use <component>
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# FFmpeg_<component>_DEFINITIONS - Compiler switches required for using <component>
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# FFmpeg_<component>_VERSION - The components version
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#
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# Copyright (c) 2006, Matthias Kretz, <kretz@kde.org>
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# Copyright (c) 2008, Alexander Neundorf, <neundorf@kde.org>
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# Copyright (c) 2011, Michael Jansen, <kde@michael-jansen.biz>
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# Copyright (c) 2023, Sam lantinga, <slouken@libsdl.org>
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#
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# Redistribution and use is allowed according to the terms of the BSD license.
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# For details see the accompanying COPYING-CMAKE-SCRIPTS file.
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include(FindPackageHandleStandardArgs)
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include("${CMAKE_CURRENT_LIST_DIR}/PkgConfigHelper.cmake")
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# The default components were taken from a survey over other FindFFMPEG.cmake files
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if (NOT FFmpeg_FIND_COMPONENTS)
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if(NOT FFmpeg_FIND_COMPONENTS)
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set(FFmpeg_FIND_COMPONENTS AVCODEC AVFORMAT AVUTIL)
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endif ()
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foreach(_component IN LISTS FFmpeg_FIND_COMPONENTS)
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set(FFmpeg_FIND_REQUIRED_${_component} TRUE)
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endforeach()
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endif()
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#
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### Macro: set_component_found
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#
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# Marks the given component as found if both *_LIBRARIES AND *_INCLUDE_DIRS is present.
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#
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macro(set_component_found _component )
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if (${_component}_LIBRARIES AND ${_component}_INCLUDE_DIRS)
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# message(STATUS " - ${_component} found.")
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set(${_component}_FOUND TRUE)
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else ()
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# message(STATUS " - ${_component} not found.")
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endif ()
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endmacro()
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find_package(PkgConfig QUIET)
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#
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### Macro: find_component
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@ -58,94 +50,89 @@ endmacro()
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#
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macro(find_component _component _pkgconfig _library _header)
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if (NOT WIN32)
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# use pkg-config to get the directories and then use these values
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# in the FIND_PATH() and FIND_LIBRARY() calls
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find_package(PkgConfig)
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if (PKG_CONFIG_FOUND)
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pkg_check_modules(PC_${_component} ${_pkgconfig})
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endif ()
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endif (NOT WIN32)
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# use pkg-config to get the directories and then use these values
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# in the FIND_PATH() and FIND_LIBRARY() calls
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if(PKG_CONFIG_FOUND)
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pkg_check_modules(PC_${_component} QUIET ${_pkgconfig})
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endif()
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find_path(${_component}_INCLUDE_DIRS ${_header}
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find_path(FFmpeg_${_component}_INCLUDE_DIRS
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NAMES ${_header}
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HINTS
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${PC_${_component}_INCLUDEDIR}
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${PC_${_component}_INCLUDE_DIRS}
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PATH_SUFFIXES
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ffmpeg
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)
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find_library(${_component}_LIBRARIES NAMES ${_library}
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HINTS
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${PC_${_component}_LIBDIR}
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find_library(FFmpeg_${_component}_LIBRARY
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NAMES ${_library}
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HINTS
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${PC_${_component}_LIBRARY_DIRS}
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)
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set(${_component}_DEFINITIONS ${PC_${_component}_CFLAGS_OTHER} CACHE STRING "The ${_component} CFLAGS.")
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set(${_component}_VERSION ${PC_${_component}_VERSION} CACHE STRING "The ${_component} version number.")
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if(FFmpeg_${_component}_INCLUDE_DIRS AND FFmpeg_${_component}_LIBRARY)
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set(FFmpeg_${_component}_FOUND TRUE)
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endif()
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set_component_found(${_component})
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if(PC_${_component}_FOUND)
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get_flags_from_pkg_config("${FFmpeg_${_component}_LIBRARY}" "PC_${_component}" "${_component}")
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endif()
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set(FFmpeg_${_component}_VERSION "${PC_${_component}_VERSION}")
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set(FFmpeg_${_component}_COMPILE_OPTIONS "${${_component}_options}" CACHE STRING "Extra compile options of FFmpeg ${_component}")
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set(FFmpeg_${_component}_LIBRARIES "${${_component}_link_libraries}" CACHE STRING "Extra link libraries of FFmpeg ${_component}")
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set(FFmpeg_${_component}_LINK_OPTIONS "${${_component}_link_options}" CACHE STRING "Extra link flags of FFmpeg ${_component}")
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set(FFmpeg_${_component}_LINK_DIRECTORIES "${${_component}_link_directories}" CACHE PATH "Extra link directories of FFmpeg ${_component}")
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mark_as_advanced(
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${_component}_INCLUDE_DIRS
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${_component}_LIBRARIES
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${_component}_DEFINITIONS
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${_component}_VERSION)
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FFmpeg_${_component}_INCLUDE_DIRS
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FFmpeg_${_component}_LIBRARY
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FFmpeg_${_component}_COMPILE_OPTIONS
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FFmpeg_${_component}_LIBRARIES
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FFmpeg_${_component}_LINK_OPTIONS
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FFmpeg_${_component}_LINK_DIRECTORIES
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)
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endmacro()
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# Check for cached results. If there are skip the costly part.
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if (NOT FFMPEG_LIBRARIES)
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# Check for all possible component.
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find_component(AVCODEC libavcodec avcodec libavcodec/avcodec.h)
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find_component(AVFORMAT libavformat avformat libavformat/avformat.h)
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find_component(AVDEVICE libavdevice avdevice libavdevice/avdevice.h)
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find_component(AVUTIL libavutil avutil libavutil/avutil.h)
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find_component(AVFILTER libavfilter avfilter libavfilter/avfilter.h)
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find_component(SWSCALE libswscale swscale libswscale/swscale.h)
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find_component(POSTPROC libpostproc postproc libpostproc/postprocess.h)
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find_component(SWRESAMPLE libswresample swresample libswresample/swresample.h)
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# Check if the required components were found and add their stuff to the FFMPEG_* vars.
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foreach (_component ${FFmpeg_FIND_COMPONENTS})
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if (${_component}_FOUND)
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# message(STATUS "Required component ${_component} present.")
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set(FFMPEG_LIBRARIES ${FFMPEG_LIBRARIES} ${${_component}_LIBRARIES})
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set(FFMPEG_DEFINITIONS ${FFMPEG_DEFINITIONS} ${${_component}_DEFINITIONS})
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list(APPEND FFMPEG_INCLUDE_DIRS ${${_component}_INCLUDE_DIRS})
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else ()
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# message(STATUS "Required component ${_component} missing.")
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endif ()
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endforeach ()
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# Build the include path with duplicates removed.
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if (FFMPEG_INCLUDE_DIRS)
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list(REMOVE_DUPLICATES FFMPEG_INCLUDE_DIRS)
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endif ()
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# cache the vars.
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set(FFMPEG_INCLUDE_DIRS ${FFMPEG_INCLUDE_DIRS} CACHE STRING "The FFmpeg include directories." FORCE)
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set(FFMPEG_LIBRARIES ${FFMPEG_LIBRARIES} CACHE STRING "The FFmpeg libraries." FORCE)
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set(FFMPEG_DEFINITIONS ${FFMPEG_DEFINITIONS} CACHE STRING "The FFmpeg cflags." FORCE)
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mark_as_advanced(FFMPEG_INCLUDE_DIRS
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FFMPEG_LIBRARIES
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FFMPEG_DEFINITIONS)
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endif ()
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# Now set the noncached _FOUND vars for the components.
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foreach (_component AVCODEC AVDEVICE AVFORMAT AVUTIL POSTPROCESS SWSCALE)
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set_component_found(${_component})
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endforeach ()
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# Check for all possible component.
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find_component(AVCODEC libavcodec avcodec libavcodec/avcodec.h)
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find_component(AVFORMAT libavformat avformat libavformat/avformat.h)
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find_component(AVDEVICE libavdevice avdevice libavdevice/avdevice.h)
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find_component(AVUTIL libavutil avutil libavutil/avutil.h)
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find_component(AVFILTER libavfilter avfilter libavfilter/avfilter.h)
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find_component(SWSCALE libswscale swscale libswscale/swscale.h)
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find_component(POSTPROC libpostproc postproc libpostproc/postprocess.h)
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find_component(SWRESAMPLE libswresample swresample libswresample/swresample.h)
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# Compile the list of required vars
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set(_FFmpeg_REQUIRED_VARS FFMPEG_LIBRARIES FFMPEG_INCLUDE_DIRS)
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foreach (_component ${FFmpeg_FIND_COMPONENTS})
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list(APPEND _FFmpeg_REQUIRED_VARS ${_component}_LIBRARIES ${_component}_INCLUDE_DIRS)
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set(_FFmpeg_REQUIRED_VARS)
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foreach(_component ${FFmpeg_FIND_COMPONENTS})
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list(APPEND _FFmpeg_REQUIRED_VARS FFmpeg_${_component}_INCLUDE_DIRS FFmpeg_${_component}_LIBRARY)
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endforeach ()
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# Give a nice error message if some of the required vars are missing.
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find_package_handle_standard_args(FFmpeg DEFAULT_MSG ${_FFmpeg_REQUIRED_VARS})
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set(FFMPEG_LIBRARIES)
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if(FFmpeg_FOUND)
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foreach(_component IN LISTS FFmpeg_FIND_COMPONENTS)
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if(FFmpeg_${_component}_FOUND)
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list(APPEND FFMPEG_LIBRARIES FFmpeg::SDL::${_component})
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if(NOT TARGET FFmpeg::SDL::${_component})
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add_library(FFmpeg::SDL::${_component} UNKNOWN IMPORTED)
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set_target_properties(FFmpeg::SDL::${_component} PROPERTIES
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IMPORTED_LOCATION "${FFmpeg_${_component}_LIBRARY}"
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INTERFACE_INCLUDE_DIRECTORIES "${FFmpeg_${_component}_INCLUDE_DIRS}"
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INTERFACE_COMPILE_OPTIONS "${FFmpeg_${_component}_COMPILE_OPTIONS}"
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INTERFACE_LINK_LIBRARIES "${FFmpeg_${_component}_LIBRARIES}"
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INTERFACE_LINK_OPTIONS "${FFmpeg_${_component}_LINK_OPTIONS}"
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INTERFACE_LINK_DIRECTORIES "${FFmpeg_${_component}_LINK_DIRECTORIES}"
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)
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endif()
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endif()
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endforeach()
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endif()
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@ -2,13 +2,11 @@
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function(get_flags_from_pkg_config _library _pc_prefix _out_prefix)
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if("${_library}" MATCHES "${CMAKE_STATIC_LIBRARY_SUFFIX}$")
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set(_include_dirs ${_pc_prefix}_STATIC_INCLUDE_DIRS)
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set(_cflags ${_pc_prefix}_STATIC_CFLAGS_OTHER)
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set(_link_libraries ${_pc_prefix}_STATIC_LIBRARIES)
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set(_link_options ${_pc_prefix}_STATIC_LDFLAGS_OTHER)
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set(_library_dirs ${_pc_prefix}_STATIC_LIBRARY_DIRS)
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else()
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set(_include_dirs ${_pc_prefix}_INCLUDE_DIRS)
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set(_cflags ${_pc_prefix}_CFLAGS_OTHER)
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set(_link_libraries ${_pc_prefix}_LIBRARIES)
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set(_link_options ${_pc_prefix}_LDFLAGS_OTHER)
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@ -21,9 +19,6 @@ function(get_flags_from_pkg_config _library _pc_prefix _out_prefix)
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# Work around CMake's flag deduplication when pc files use `-framework A` instead of `-Wl,-framework,A`
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string(REPLACE "-framework;" "-Wl,-framework," "_filtered_link_options" "${${_link_options}}")
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set(${_out_prefix}_include_dirs
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"${${_include_dirs}}"
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PARENT_SCOPE)
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set(${_out_prefix}_compile_options
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"${${_cflags}}"
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PARENT_SCOPE)
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@ -184,9 +184,8 @@ endif()
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set(FFmpeg_FIND_COMPONENTS AVCODEC AVFORMAT AVUTIL SWSCALE)
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include("${SDL3_SOURCE_DIR}/cmake/FindFFmpeg.cmake")
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if(FFMPEG_FOUND)
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if(FFmpeg_FOUND)
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add_sdl_test_executable(testspriteffmpeg NO_C90 SOURCES testspriteffmpeg.c ${icon_bmp_header})
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target_include_directories(testspriteffmpeg PRIVATE ${FFMPEG_INCLUDE_DIRS})
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target_link_libraries(testspriteffmpeg PRIVATE ${FFMPEG_LIBRARIES})
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else()
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message(STATUS "Cannot find ffmpeg, skipping testspriteffmpeg")
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