[features] Add HB_HAS_GOBJECT

docs/harfbuzz-sections.txt

@@ -172,6 +172,7 @@ HB_HAS_DIRECTWRITE
 HB_HAS_FREETYPE
 HB_HAS_GDI
 HB_HAS_GLIB
+HB_HAS_GOBJECT
 HB_HAS_GRAPHITE
 HB_HAS_ICU
 HB_HAS_UNISCRIBE

src/Makefile.am

@@ -254,6 +254,9 @@ hb-gobject-enums.%: hb-gobject-enums.%.tmpl $(HBHEADERS)
 		--template $^ | \
 	sed 's/_t_get_type/_get_type/g; s/_T (/ (/g' > "$@" \
 	|| ($(RM) "$@"; false)
+HB_HAS_GOBJECT_DEF = define HB_HAS_GOBJECT 1
+else
+HB_HAS_GOBJECT_DEF = undef HB_HAS_GOBJECT
 endif
 EXTRA_DIST += \
 	harfbuzz-gobject.pc.in \
@@ -275,6 +278,7 @@ hb-features.h: hb-features.h.in $(top_builddir)/config.status
 		-e 's/mesondefine HB_HAS_GDI/$(HB_HAS_GDI_DEF)/' \
 		-e 's/mesondefine HB_HAS_GRAPHITE/$(HB_HAS_GRAPHITE_DEF)/' \
 		-e 's/mesondefine HB_HAS_GLIB/$(HB_HAS_GLIB_DEF)/' \
+		-e 's/mesondefine HB_HAS_GOBJECT/$(HB_HAS_GOBJECT_DEF)/' \
 		-e 's/mesondefine HB_HAS_UNISCRIBE/$(HB_HAS_UNISCRIBE_DEF)/' \
 		-e 's/mesondefine HB_HAS_DIRECTWRITE/$(HB_HAS_DIRECTWRITE_DEF)/' \
 		-e 's/mesondefine HB_HAS_CORETEXT/$(HB_HAS_CORETEXT_DEF)/' \

src/hb-features.h.in

@@ -70,6 +70,13 @@ HB_BEGIN_DECLS
  */
 #mesondefine HB_HAS_GLIB
 
+/**
+ * HB_HAS_GOBJECT:
+ *
+ * Defined if Harfbuzz has been built with GObject support.
+ */
+#mesondefine HB_HAS_GOBJECT
+
 /**
  * HB_HAS_GRAPHITE:
  *

src/meson.build

@@ -438,6 +438,10 @@ if conf.get('HAVE_GLIB', 0) == 1
   hb_features.set('HB_HAS_GLIB', 1)
 endif
 
+if conf.get('HAVE_GOBJECT', 0) == 1
+  hb_features.set('HB_HAS_GOBJECT', 1)
+endif
+
 # We set those here to not include the sources below that are of no use to
 # GObject Introspection
 gir_sources = hb_sources + hb_gobject_sources