Rafał Florczak
90aabddc7f
Dynamic linking against libbz2 was problematic on some distributions. We only needed it for pcre's CLI (which we don't use) and ffmpeg's mkv decompression in case a user forced encoder to use it, because its usage is discouraged by the standard. See https://github.com/itgmania/itgmania/issues/217 for the related discussion.
72 lines
2.4 KiB
CMake
72 lines
2.4 KiB
CMake
if(CMAKE_GENERATOR MATCHES "Ninja")
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message(
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FATAL_ERROR
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"You cannot use the Ninja generator when building the bundled ffmpeg library."
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)
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endif()
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set(SM_FFMPEG_SRC_DIR "${SM_EXTERN_DIR}/ffmpeg")
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set(SM_FFMPEG_CONFIGURE_EXE "${SM_FFMPEG_SRC_DIR}/configure")
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list(APPEND FFMPEG_CONFIGURE
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"${SM_FFMPEG_CONFIGURE_EXE}"
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"--disable-autodetect"
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"--disable-avdevice"
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"--disable-avfilter"
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"--disable-devices"
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"--disable-doc"
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"--disable-filters"
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"--disable-lzma"
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"--disable-network"
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"--disable-postproc"
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"--disable-programs"
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"--disable-swresample"
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"--disable-vaapi"
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"--disable-bzlib"
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"--enable-gpl"
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"--enable-pthreads"
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"--enable-static"
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"--enable-zlib"
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"--prefix=/")
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if(CMAKE_POSITION_INDEPENDENT_CODE)
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list(APPEND FFMPEG_CONFIGURE "--enable-pic")
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endif()
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if(MACOSX)
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list(APPEND FFMPEG_CONFIGURE "--enable-cross-compile")
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list(APPEND FFMPEG_CONFIGURE "--enable-videotoolbox")
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list(APPEND FFMPEG_CONFIGURE "--extra-cflags=-mmacosx-version-min=11")
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if(CMAKE_OSX_ARCHITECTURES STREQUAL "arm64")
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list(APPEND FFMPEG_CONFIGURE "--arch=arm64" "--extra-cflags=-arch arm64" "--extra-ldflags=-arch arm64")
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elseif(CMAKE_OSX_ARCHITECTURES STREQUAL "x86_64")
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list(APPEND FFMPEG_CONFIGURE "--arch=x86_64" "--extra-cflags=-arch x86_64" "--extra-ldflags=-arch x86_64")
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else()
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message(FATAL_ERROR
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"Unsupported macOS architecture: ${CMAKE_OSX_ARCHITECTURES}, set CMAKE_OSX_ARCHITECTURES to either arm64 or x86_64"
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)
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endif()
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endif()
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if(NOT WITH_EXTERNAL_WARNINGS)
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list(APPEND FFMPEG_CONFIGURE "--extra-cflags=-w")
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endif()
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list(APPEND SM_FFMPEG_MAKE $(MAKE))
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if(WITH_FFMPEG_JOBS GREATER 0)
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list(APPEND SM_FFMPEG_MAKE "-j${WITH_FFMPEG_JOBS}")
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endif()
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list(APPEND SM_FFMPEG_MAKE "&&" "make" "DESTDIR=./dest" "install")
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externalproject_add("ffmpeg"
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SOURCE_DIR "${SM_FFMPEG_SRC_DIR}"
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CONFIGURE_COMMAND ${FFMPEG_CONFIGURE}
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BUILD_COMMAND "${SM_FFMPEG_MAKE}"
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UPDATE_COMMAND ""
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INSTALL_COMMAND ""
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TEST_COMMAND "")
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externalproject_get_property("ffmpeg" BINARY_DIR)
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set(SM_FFMPEG_LIB ${BINARY_DIR}/dest/lib)
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set(SM_FFMPEG_INCLUDE ${BINARY_DIR}/dest/include)
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