meson: Add option to use gstreamer debugging API

gst_debug_bin_to_dot_data() can only be used if gstreamer
has been compiled with debugging features enabled.

meson.build

@@ -63,6 +63,10 @@ config_data.set_quoted('PACKAGE_URL', calls_homepage)
 config_data.set_quoted('PACKAGE_VERSION', calls_version)
 config_data.set('PACKAGE_URL_RAW', calls_homepage)
 
+gst_debug = get_option('gst_debug')
+config_data.set('CALLS_GST_DEBUG', gst_debug, description: 'Use GStreamer debugging API')
+
+
 run_data = configuration_data()
 run_data.set('ABS_BUILDDIR', meson.current_build_dir())
 run_data.set('ABS_SRCDIR', meson.current_source_dir())

meson_options.txt

@@ -9,3 +9,7 @@ option('tests',
 option('manpages',
        type: 'boolean', value: true,
        description: 'Whether to generate man pages')
+
+option('gst_debug',
+       type: 'boolean', value: true,
+       description: 'Whether to use gstreamers debugging API')