-cdata = configuration_data()
-cdata.set('GST_VERSION_MAJOR', gst_version_major)
-cdata.set('GST_VERSION_MINOR', gst_version_minor)
-cdata.set('GST_VERSION_MICRO', gst_version_micro)
-cdata.set('GST_VERSION_NANO', gst_version_nano)
-cdata.set('GST_API_VERSION', '"@0@"'.format(apiversion))
-cdata.set('GST_DATADIR', '"@0@/@1@"'.format(prefix, get_option('datadir')))
-cdata.set('LOCALEDIR', '"@0@/@1@"'.format(prefix, get_option('localedir')))
-cdata.set('LIBDIR', '"@0@/@1@"'.format(prefix, get_option('libdir')))
-cdata.set('GST_API_VERSION', '"1.0"')
-cdata.set('GETTEXT_PACKAGE', '"gstreamer-1.0"')
-cdata.set('GST_LICENSE', '"LGPL"')
-cdata.set('GST_PACKAGE_ORIGIN', '"Unknown package origin"')
-cdata.set('GST_PACKAGE_NAME', '"GStreamer source release"')
-cdata.set('PACKAGE', '"gstreamer"')
-cdata.set('PACKAGE_NAME', '"GStreamer"')
-cdata.set('PACKAGE_STRING', '"GStreamer @0@"'.format(gst_version))
-cdata.set('PACKAGE_TARNAME', '"gstreamer"')
-cdata.set('PACKAGE_BUGREPORT', '"http://bugzilla.gnome.org/enter_bug.cgi?product=GStreamer"')
-cdata.set('PACKAGE_URL', '""')
-cdata.set('PACKAGE_VERSION', '"@0@"'.format(gst_version))
-cdata.set('PLUGINDIR', '"@0@/@1@/gstreamer-1.0"'.format(get_option('prefix'),get_option('libdir')))
-cdata.set('VERSION', '"@0@"'.format(gst_version))
-# FIXME: --with-memory-alignment],[8,N,malloc,pagesize (default is 32)]) option
-cdata.set('MEMORY_ALIGNMENT_MALLOC', 1)
-cdata.set('GST_PLUGIN_SCANNER_INSTALLED', '"@0@/@1@/gst-plugin-scanner"'.format(prefix, helpers_install_dir))
-cdata.set('GST_PTP_HELPER_INSTALLED', '"@0@/@1@/gst-ptp-helper"'.format(prefix, helpers_install_dir))
+# Symbol visibility
+have_visibility_hidden = false
+if cc.get_id() == 'msvc'
+ export_define = '__declspec(dllexport) extern'
+elif cc.has_argument('-fvisibility=hidden')
+ add_project_arguments('-fvisibility=hidden', language: 'c')
+ export_define = 'extern __attribute__ ((visibility ("default")))'
+ have_visibility_hidden = true
+else
+ export_define = 'extern'
+endif
+
+# Passing this through the command line would be too messy
+cdata.set('GST_API_EXPORT', export_define)
+
+# Disable strict aliasing
+if cc.has_argument('-fno-strict-aliasing')
+ add_project_arguments('-fno-strict-aliasing', language: 'c')
+endif
+
+# Define G_DISABLE_DEPRECATED for development versions
+if gst_version_is_dev
+ message('Disabling deprecated GLib API')
+ add_project_arguments('-DG_DISABLE_DEPRECATED', language: 'c')
+endif
+
+cast_checks = get_option('gobject-cast-checks')
+if cast_checks.disabled() or (cast_checks.auto() and not gst_version_is_dev)
+ message('Disabling GLib cast checks')
+ add_project_arguments('-DG_DISABLE_CAST_CHECKS', language: 'c')
+endif
+
+glib_asserts = get_option('glib-asserts')
+if glib_asserts.disabled() or (glib_asserts.auto() and not gst_version_is_dev)
+ message('Disabling GLib asserts')
+ add_project_arguments('-DG_DISABLE_ASSERT', language: 'c')
+endif
+
+glib_checks = get_option('glib-checks')
+if glib_checks.disabled() or (glib_checks.auto() and not gst_version_is_dev)
+ message('Disabling GLib checks')
+ add_project_arguments('-DG_DISABLE_CHECKS', language: 'c')
+endif
+
+cdata.set_quoted('GST_API_VERSION', apiversion)
+cdata.set_quoted('GST_DATADIR', join_paths(prefix, get_option('datadir')))
+cdata.set_quoted('LOCALEDIR', join_paths(prefix, get_option('localedir')))
+cdata.set_quoted('LIBDIR', join_paths(prefix, get_option('libdir')))
+cdata.set_quoted('GST_API_VERSION', '1.0')
+cdata.set_quoted('GETTEXT_PACKAGE', 'gstreamer-1.0')
+cdata.set_quoted('GST_LICENSE', 'LGPL')
+cdata.set_quoted('PACKAGE', 'gstreamer')
+cdata.set_quoted('PACKAGE_NAME', 'GStreamer')
+cdata.set_quoted('PACKAGE_STRING', 'GStreamer @0@'.format(gst_version))
+cdata.set_quoted('PACKAGE_TARNAME', 'gstreamer')
+cdata.set_quoted('PACKAGE_BUGREPORT', 'http://bugzilla.gnome.org/enter_bug.cgi?product=GStreamer')
+cdata.set_quoted('PACKAGE_URL', '')
+cdata.set_quoted('PACKAGE_VERSION', gst_version)
+cdata.set_quoted('PLUGINDIR', join_paths(get_option('prefix'), get_option('libdir'), 'gstreamer-1.0'))
+cdata.set_quoted('VERSION', gst_version)
+cdata.set_quoted('GST_PLUGIN_SCANNER_INSTALLED', join_paths(prefix, helpers_install_dir, 'gst-plugin-scanner'))
+cdata.set_quoted('GST_PTP_HELPER_INSTALLED', join_paths(prefix, helpers_install_dir, 'gst-ptp-helper'))
+cdata.set_quoted('GST_PLUGIN_SCANNER_SUBDIR', libexecdir,
+ description: 'libexecdir path component, used to find plugin-scanner on relocatable builds on windows')
+cdata.set('GST_DISABLE_OPTION_PARSING', not get_option('option-parsing'))
+
+mem_align_opt = get_option('memory-alignment')
+if mem_align_opt == 'malloc'
+ cdata.set('MEMORY_ALIGNMENT_MALLOC', 1)
+elif mem_align_opt == 'pagesize'
+ cdata.set('MEMORY_ALIGNMENT_PAGESIZE', 1)
+else
+ cdata.set('MEMORY_ALIGNMENT', mem_align_opt.to_int())
+endif
+
+if ['darwin', 'ios'].contains(host_system)
+ cdata.set_quoted('GST_EXTRA_MODULE_SUFFIX', '.dylib')
+endif