forked from AuroraMiddleware/gtk
meson: Use feature options for media and print backends
This gracefully disable ffmpeg, gstreamer, cups and cloudprint optional dependencies when they are not available, while still giving full control to distributors using -Dauto_features=enabled.
This commit is contained in:
Xavier Claessens
parent
ea3933b87a
commit
a4aa6d79ad
@ -27,17 +27,27 @@ option('macos-backend',
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# Media backends
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option('media',
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type: 'string',
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value: 'gstreamer',
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description : 'Build the specified media engines (comma-separated list, "all", or "none")')
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option('media-ffmpeg',
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type: 'feature',
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value: 'auto',
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description : 'Build the ffmpeg media backend')
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option('media-gstreamer',
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type: 'feature',
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value: 'auto',
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description : 'Build the gstreamer media backend')
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# Print backends
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option('print',
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type: 'string',
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value: 'cups,file',
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description : 'Build the specified print backends (comma-separated list, "all", or "none")')
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option('print-cups',
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type: 'feature',
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value: 'auto',
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description : 'Build the cups print backend')
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option('print-cloudprint',
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type: 'feature',
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value: 'auto',
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description : 'Build the cloudprint print backend')
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# Optional features
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@ -1,27 +1,6 @@
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all_media_backends = [
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'ffmpeg',
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'gstreamer'
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]
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enabled_media_backends = get_option('media').split(',')
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if enabled_media_backends.contains('none')
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media_backends = []
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elif enabled_media_backends.contains('all')
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media_backends = all_media_backends
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else
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media_backends = []
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foreach b: enabled_media_backends
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if all_media_backends.contains(b)
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media_backends += b
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else
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error('No media backend named "@0@" exists.'.format (b))
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endif
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endforeach
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endif
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media_subdir = 'gtk-4.0/@0@/media'.format(gtk_binary_version)
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media_install_dir = join_paths(get_option('libdir'), media_subdir)
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media_backends = []
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extra_c_args = [
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'-DGTK_COMPILATION',
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@ -30,15 +9,28 @@ extra_c_args = [
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extra_c_args += common_cflags
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if media_backends.contains('ffmpeg')
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libavfilter_dep = dependency('libavfilter', version: '>= 6.47.100', required: true)
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libavformat_dep = dependency('libavformat', version: '>= 57.41.100', required: true)
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libavcodec_dep = dependency('libavcodec', version: '>= 57.48.101', required: true)
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libavutil_dep = dependency('libavutil', version: '>= 55.28.100', required: true)
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libswscale_dep = dependency('libswscale', version: '>= 4.6.100', required: true)
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ffmpeg_deps = [libavfilter_dep, libavformat_dep, libavcodec_dep, libavutil_dep, libswscale_dep]
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cdata.set('HAVE_FFMPEG', 1)
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ffmpeg_opt = get_option('media-ffmpeg')
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ffmpeg_versions = {
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'libavfilter': '>= 6.47.100',
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'libavformat': '>= 57.41.100',
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'libavcodec': '>= 57.48.101',
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'libavutil': '>= 55.28.100',
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'libswscale': '>= 4.6.100',
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}
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ffmpeg_deps = []
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ffmpeg_found = true
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foreach name, version : ffmpeg_versions
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dep = dependency(name, version: version, required: ffmpeg_opt)
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ffmpeg_deps += dep
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if not dep.found()
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ffmpeg_found = false
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break
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endif
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endforeach
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if ffmpeg_found
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media_backends += 'ffmpeg'
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cdata.set('HAVE_FFMPEG', 1)
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shared_module('media-ffmpeg',
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'gtkffmediafile.c',
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c_args: extra_c_args,
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@ -47,10 +39,11 @@ if media_backends.contains('ffmpeg')
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install : true)
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endif
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if media_backends.contains('gstreamer')
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gstplayer_dep = dependency('gstreamer-player-1.0', version: '>= 1.12.3', required: true)
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gstplayer_dep = dependency('gstreamer-player-1.0', version: '>= 1.12.3',
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required: get_option('media-gstreamer'))
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if gstplayer_dep.found()
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media_backends += 'gstreamer'
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cdata.set('HAVE_GSTREAMER', 1)
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shared_module('media-gstreamer',
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'gtkgstmediafile.c',
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'gtkgstpaintable.c',
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@ -1,35 +1,4 @@
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all_print_backends = [
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'cups',
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'cloudprint',
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]
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enabled_print_backends = get_option('print').split(',')
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if enabled_print_backends.contains('none')
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enabled_print_backends = []
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elif enabled_print_backends.contains('all')
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enabled_print_backends = all_print_backends
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endif
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# The 'file' print backend cannot be disabled
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print_backends = ['file']
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# Checks to see if we should compile with CUPS backend for GTK
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enable_cups = enabled_print_backends.contains('cups')
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if enable_cups
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cups_dep = dependency('cups', version : '>=2.0', required: true)
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print_backends += ['cups']
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endif
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# Checks to see if we should compile with cloudprint backend for GTK
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enable_cloudprint = enabled_print_backends.contains('cloudprint')
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if enable_cloudprint
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rest_dep = dependency('rest-0.7', required : true)
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json_glib_dep = dependency('json-glib-1.0', required : true)
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if rest_dep.found() and json_glib_dep.found()
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print_backends += ['cloudprint']
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endif
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endif
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print_backends = []
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if not cc.has_header('cairo-pdf.h', dependencies : cairo_dep)
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error('Cannot find cairo-pdf.h. You must build Cairo with the pdf backend enabled.')
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@ -44,11 +13,6 @@ if os_unix
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endif
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endif
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# Automatic fall-back to the lpr backend
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if not print_backends.contains('cups')
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print_backends += ['lpr']
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endif
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printbackends_subdir = 'gtk-4.0/@0@/printbackends'.format(gtk_binary_version)
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printbackends_install_dir = join_paths(get_option('libdir'), printbackends_subdir)
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@ -61,7 +25,9 @@ printbackends_args = [
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'-D_GLIB_EXTERN=@0@'.format(visibility_define),
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] + common_cflags
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if print_backends.contains('cups')
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cups_dep = dependency('cups', version : '>=2.0', required: get_option('print-cups'))
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if cups_dep.found()
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print_backends += 'cups'
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shared_module('printbackend-cups',
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'gtkprintbackendcups.c',
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'gtkprintercups.c',
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@ -71,9 +37,21 @@ if print_backends.contains('cups')
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dependencies: [libgtk_dep, cups_dep, colord_dep],
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install_dir: printbackends_install_dir,
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install : true)
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else
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# Automatic fall-back to the lpr backend
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print_backends += 'lpr'
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shared_module('printbackend-lpr',
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'gtkprintbackendlpr.c',
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c_args: printbackends_args,
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dependencies: libgtk_dep,
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install_dir: printbackends_install_dir,
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install : true)
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endif
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if print_backends.contains('cloudprint')
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rest_dep = dependency('rest-0.7', required : get_option('print-cloudprint'))
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json_glib_dep = dependency('json-glib-1.0', required : get_option('print-cloudprint'))
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if rest_dep.found() and json_glib_dep.found()
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print_backends += ['cloudprint']
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shared_module('printbackend-cloudprint',
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'gtkprintbackendcloudprint.c',
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'gtkprintercloudprint.c',
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@ -84,20 +62,11 @@ if print_backends.contains('cloudprint')
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install : true)
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endif
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if print_backends.contains('file')
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shared_module('printbackend-file',
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# The 'file' print backend cannot be disabled
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print_backends += 'file'
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shared_module('printbackend-file',
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'gtkprintbackendfile.c',
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c_args: printbackends_args,
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dependencies: libgtk_dep,
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install_dir: printbackends_install_dir,
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install : true)
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endif
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if print_backends.contains('lpr')
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shared_module('printbackend-lpr',
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'gtkprintbackendlpr.c',
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c_args: printbackends_args,
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dependencies: libgtk_dep,
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install_dir: printbackends_install_dir,
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install : true)
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endif
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