[wasm] Add to harfbuzz.cc and hb-features

src/Makefile.am

@@ -273,16 +273,17 @@ DISTCLEANFILES += \
 hb-features.h: hb-features.h.in $(top_builddir)/config.status
 	$(AM_V_GEN) $(SED) \
 		-e 's/mesondefine HB_HAS_CAIRO/$(HB_HAS_CAIRO_DEF)/' \
+		-e 's/mesondefine HB_HAS_CORETEXT/$(HB_HAS_CORETEXT_DEF)/' \
+		-e 's/mesondefine HB_HAS_DIRECTWRITE/$(HB_HAS_DIRECTWRITE_DEF)/' \
 		-e 's/mesondefine HB_HAS_FREETYPE/$(HB_HAS_FREETYPE_DEF)/' \
 		-e 's/mesondefine HB_HAS_GDI/$(HB_HAS_GDI_DEF)/' \
 		-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/$(HB_HAS_CORETEXT_DEF)/' \
+		-e 's/mesondefine HB_HAS_GRAPHITE/$(HB_HAS_GRAPHITE_DEF)/' \
 		-e 's/mesondefine HB_HAS_ICU/$(HB_HAS_ICU_DEF)/' \
+		-e 's/mesondefine HB_HAS_UNISCRIBE/$(HB_HAS_UNISCRIBE_DEF)/' \
+		-e 's/mesondefine HB_HAS_WASM/$(HB_HAS_WASM_DEF)/' \
 		"$<" > "$@" || ($(RM) "$@"; false)
 
 

src/harfbuzz.cc

@@ -58,3 +58,5 @@
 #include "hb-ucd.cc"
 #include "hb-unicode.cc"
 #include "hb-uniscribe.cc"
+#include "hb-wasm-api.cc"
+#include "hb-wasm-shape.cc"

src/hb-features.h.in

@@ -106,6 +106,13 @@ HB_BEGIN_DECLS
  */
 #mesondefine HB_HAS_UNISCRIBE
 
+/**
+ * HB_HAS_WASM:
+ *
+ * Defined if Harfbuzz has been built with WebAssembly support.
+ */
+#mesondefine HB_HAS_WASM
+
 
 HB_END_DECLS
 

src/hb-wasm-api.cc

@@ -22,6 +22,10 @@
  * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
  */
 
+#include "hb.hh"
+
+#ifdef HAVE_WASM
+
 #include "hb-wasm-api.hh"
 
 #define module_inst wasm_runtime_get_module_inst (exec_env)
@@ -38,3 +42,5 @@
 #undef module_inst
 
 hb_user_data_key_t _hb_wasm_ref_type_key = {};
+
+#endif

src/meson.build

@@ -429,7 +429,7 @@ custom_target('harfbuzz.cc',
   output: 'harfbuzz.cc',
   input: hb_base_sources + hb_glib_sources + hb_ft_sources +
          hb_graphite2_sources + hb_uniscribe_sources + hb_gdi_sources +
-         hb_directwrite_sources + hb_coretext_sources,
+         hb_directwrite_sources + hb_coretext_sources + hb_wasm_sources,
   command: [find_program('gen-harfbuzzcc.py'),
             '@OUTPUT@', meson.current_source_dir(), '@INPUT@'],
 )
@@ -515,6 +515,7 @@ features = [
   'GRAPHITE',
   'ICU',
   'UNISCRIBE',
+  'WASM',
 ]
 
 hb_enabled_features = configuration_data()