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externals: Make system dynamic library headers flags instead of auto-detect. (#7065)

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Steveice10 2023-10-16 19:32:58 -07:00 • committed by GitHub
parent 956b0868fd
commit e49b3c75bd
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5 changed files with 34 additions and 50 deletions
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32
externals/CMakeLists.txt vendored
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@ -150,7 +150,37 @@ endif()
add_subdirectory(open_source_archives)
# Dynamic library headers
add_subdirectory(library-headers EXCLUDE_FROM_ALL)
add_library(library-headers INTERFACE)
if (USE_SYSTEM_FDK_AAC_HEADERS)
find_path(SYSTEM_FDK_AAC_INCLUDES NAMES fdk-aac/aacdecoder_lib.h)
if (SYSTEM_FDK_AAC_INCLUDES STREQUAL "SYSTEM_FDK_AAC_INCLUDES-NOTFOUND")
message(WARNING "System fdk-aac headers not found. Falling back on bundled headers.")
else()
message(STATUS "Using system fdk_aac headers.")
target_include_directories(library-headers SYSTEM INTERFACE ${SYSTEM_FDK_AAC_INCLUDES})
set(FOUND_FDK_AAC_HEADERS ON)
endif()
endif()
if (NOT FOUND_FDK_AAC_HEADERS)
message(STATUS "Using bundled fdk_aac headers.")
target_include_directories(library-headers SYSTEM INTERFACE ./library-headers/fdk-aac/include)
endif()
if (USE_SYSTEM_FFMPEG_HEADERS)
find_path(SYSTEM_FFMPEG_INCLUDES NAMES libavutil/avutil.h)
if (SYSTEM_FFMPEG_INCLUDES STREQUAL "SYSTEM_FFMPEG_INCLUDES-NOTFOUND")
message(WARNING "System FFmpeg headers not found. Falling back on bundled headers.")
else()
message(STATUS "Using system FFmpeg headers.")
target_include_directories(library-headers SYSTEM INTERFACE ${SYSTEM_FFMPEG_INCLUDES})
set(FOUND_FFMPEG_HEADERS ON)
endif()
endif()
if (NOT FOUND_FFMPEG_HEADERS)
message(STATUS "Using bundled ffmpeg headers.")
target_include_directories(library-headers SYSTEM INTERFACE ./library-headers/ffmpeg/include)
endif()
# SoundTouch
if(NOT USE_SYSTEM_SOUNDTOUCH)

0
externals/library-headers/library-headers → externals/library-headers vendored
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48
externals/library-headers/CMakeLists.txt vendored
View file

@ -1,48 +0,0 @@
add_library(library-headers INTERFACE)
# libfdk-aac headers
find_path(FDK_AAC_INCLUDES NAMES fdk-aac/aacdecoder_lib.h)
if (FDK_AAC_INCLUDES STREQUAL "FDK_AAC_INCLUDES-NOTFOUND")
message(STATUS "fdk_aac headers not found, using bundled headers.")
target_include_directories(library-headers INTERFACE ./library-headers/fdk-aac/include)
else()
message(STATUS "Using headers from system fdk_aac")
target_include_directories(library-headers SYSTEM INTERFACE ${FDK_AAC_INCLUDES})
endif()
# FFmpeg headers
find_path(AVUTIL_INCLUDES NAMES libavutil/avutil.h)
find_path(AVCODEC_INCLUDES NAMES libavcodec/avcodec.h)
find_path(AVFORMAT_INCLUDES NAMES libavformat/avformat.h)
find_path(AVFILTER_INCLUDES NAMES libavfilter/avfilter.h)
find_path(SWRESAMPLE_INCLUDES NAMES libswresample/swresample.h)
# Make sure all the headers are found and from the same place, so we don't
# have missing or mismatched components.
if (AVUTIL_INCLUDES STREQUAL "AVUTIL_INCLUDES-NOTFOUND"
OR NOT AVCODEC_INCLUDES STREQUAL AVUTIL_INCLUDES
OR NOT AVFORMAT_INCLUDES STREQUAL AVUTIL_INCLUDES
OR NOT AVFILTER_INCLUDES STREQUAL AVUTIL_INCLUDES
OR NOT SWRESAMPLE_INCLUDES STREQUAL AVUTIL_INCLUDES)
message(STATUS "Complete FFmpeg headers not found, using bundled headers.")
target_include_directories(library-headers INTERFACE ./library-headers/ffmpeg/include)
else()
# Extract libavutil version from header.
file(STRINGS "${AVUTIL_INCLUDES}/libavutil/version.h" AVUTIL_VERSION_DATA
REGEX "#define LIBAVUTIL_VERSION_(MAJOR|MINOR|MICRO) ")
set(AVUTIL_VERSION_REGEX "([0-9]+)")
foreach(v MAJOR MINOR MICRO)
if("${AVUTIL_VERSION_DATA}" MATCHES "#define LIBAVUTIL_VERSION_${v}[\\t ]+${AVUTIL_VERSION_REGEX}")
set(AVUTIL_VERSION_${v} "${CMAKE_MATCH_1}")
endif()
endforeach()
set(AVUTIL_VERSION "${AVUTIL_VERSION_MAJOR}.${AVUTIL_VERSION_MINOR}.${AVUTIL_VERSION_MICRO}")
message(STATUS "Detected FFmpeg libavutil version is ${AVUTIL_VERSION}")
if ("${AVUTIL_VERSION}" VERSION_LESS "56.30.100")
message(WARNING "System FFmpeg version is too low (< 4.2), using bundled headers.")
target_include_directories(library-headers INTERFACE ./library-headers/ffmpeg/include)
else()
message(STATUS "Using headers from system FFmpeg")
target_include_directories(library-headers SYSTEM INTERFACE ${AVUTIL_INCLUDES})
endif()
endif()