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meson: add FFmpeg meson as a fallback

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https://bugzilla.gnome.org/show_bug.cgi?id=792900
This commit is contained in:
Mathieu Duponchelle 2018-07-04 00:21:45 +02:00
parent e1d0d73fc0
commit b3dc5c2799
1 changed files with 25 additions and 5 deletions
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30
meson.build
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@ -15,10 +15,14 @@ else
gst_version_nano = 0
endif
libavfilter_dep = dependency('libavfilter', version: '>= 7.16.100')
libavformat_dep = dependency('libavformat', version: '>= 58.12.100')
libavcodec_dep = dependency('libavcodec', version: '>= 58.18.100')
libavutil_dep = dependency('libavutil', version: '>= 56.14.100')
libavfilter_dep = dependency('libavfilter', version: '>= 7.16.100',
fallback: ['FFmpeg', 'libavfilter_dep'])
libavformat_dep = dependency('libavformat', version: '>= 58.12.100',
fallback: ['FFmpeg', 'libavformat_dep'])
libavcodec_dep = dependency('libavcodec', version: '>= 58.18.100',
fallback: ['FFmpeg', 'libavcodec_dep'])
libavutil_dep = dependency('libavutil', version: '>= 56.14.100',
fallback: ['FFmpeg', 'libavutil_dep'])
libav_deps = [libavfilter_dep, libavformat_dep, libavcodec_dep, libavutil_dep]
@ -31,8 +35,24 @@ check_ffmpeg_src = '''#include <libavcodec/avcodec.h>
#error libav provider should be FFmpeg
#endif'''
if not cc.compiles(check_ffmpeg_src, dependencies : libav_deps, name : 'libav is provided by FFmpeg')
libav_deps_type_name = ''
foreach dep: libav_deps
message('type name: @0@'.format(dep.type_name()))
endforeach
foreach dep: libav_deps
message('[@0@] / [@1@]'.format(libav_deps_type_name, dep.type_name()))
if libav_deps_type_name != '' and dep.type_name() != libav_deps_type_name
error('Libav deps must be either all internal or all external')
endif
libav_deps_type_name = dep.type_name()
endforeach
if dep.type_name() != 'internal'
if not cc.compiles(check_ffmpeg_src, dependencies : libav_deps, name : 'libav is provided by FFmpeg')
error('Uncompatible libavcodec found')
endif
endif
cdata = configuration_data()