build: Add HarfBuzz dependency

INSTALL.in

@@ -57,6 +57,11 @@ header files installed.
      and fontconfig @FONTCONFIG_REQUIRED_VERSION@ or newer. Older versions are known to have
      bugs that seriously affect the stability of GIMP.
 
+     We also require HarfBuzz @HARFBUZZ_REQUIRED_VERSION@ or newer, an
+     OpenType text shaping tool. As this is a dependency for Pango, you
+     will likely have it installed, but you may have to install a
+     development package for the headers.
+
   7. Access of remote files is implemented in the URI plug-in. There
      are several possible implementations for this. The implementation
      used is determined when you configure GIMP. By default the

app/Makefile.am

@@ -175,6 +175,7 @@ gimpconsoleldadd = \
 	$(FREETYPE_LIBS)		\
 	$(FONTCONFIG_LIBS)		\
 	$(PANGOCAIRO_LIBS)		\
+	$(HARFBUZZ_LIBS)		\
 	$(CAIRO_LIBS)			\
 	$(GEGL_LIBS)			\
 	$(GLIB_LIBS)			\

app/tests/Makefile.am

@@ -122,6 +122,7 @@ LDADD = \
 	$(FREETYPE_LIBS)					\
 	$(FONTCONFIG_LIBS)					\
 	$(PANGOCAIRO_LIBS)					\
+	$(HARFBUZZ_LIBS)					\
 	$(CAIRO_LIBS)						\
 	$(GEGL_LIBS)						\
 	$(GIO_LIBS)						\

app/text/Makefile.am

@@ -8,6 +8,7 @@ AM_CPPFLAGS = \
 	-I$(top_srcdir)/app		\
 	$(GEGL_CFLAGS)			\
 	$(PANGOCAIRO_CFLAGS)		\
+	$(HARFBUZZ_CFLAGS)		\
 	$(GDK_PIXBUF_CFLAGS)		\
 	-I$(includedir)
 

configure.ac

@@ -51,6 +51,7 @@ m4_define([cairo_pdf_required_version], [1.12.2])
 m4_define([pangocairo_required_version], [1.29.4])
 m4_define([fontconfig_required_version], [2.2.0])
 m4_define([freetype2_required_version], [2.1.7])
+m4_define([harfbuzz_required_version], [0.9.27])
 m4_define([gtkdoc_required_version], [1.0])
 m4_define([webkit_required_version], [1.6.1])
 m4_define([alsa_required_version], [1.0.0])
@@ -130,6 +131,7 @@ PANGOCAIRO_REQUIRED_VERSION=pangocairo_required_version
 BABL_REQUIRED_VERSION=babl_required_version
 FONTCONFIG_REQUIRED_VERSION=fontconfig_required_version
 FREETYPE2_REQUIRED_VERSION=freetype2_required_version
+HARFBUZZ_REQUIRED_VERSION=harfbuzz_required_version
 ATK_REQUIRED_VERSION=atk_required_version
 INTLTOOL_REQUIRED_VERSION=intltool_required_version
 AC_SUBST(GLIB_REQUIRED_VERSION)
@@ -142,6 +144,7 @@ AC_SUBST(PANGOCAIRO_REQUIRED_VERSION)
 AC_SUBST(BABL_REQUIRED_VERSION)
 AC_SUBST(FONTCONFIG_REQUIRED_VERSION)
 AC_SUBST(FREETYPE2_REQUIRED_VERSION)
+AC_SUBST(HARFBUZZ_REQUIRED_VERSION)
 AC_SUBST(ATK_REQUIRED_VERSION)
 AC_SUBST(INTLTOOL_REQUIRED_VERSION)
 
@@ -624,6 +627,8 @@ if test "x$FREETYPE_CONFIG" != "xno" ; then
 fi
 AC_SUBST(FREETYPE_LIBS)
 
+PKG_CHECK_MODULES(HARFBUZZ, harfbuzz >= harfbuzz_required_version)
+
 PKG_CHECK_MODULES(GEXIV2, gexiv2 >= gexiv2_required_version)
 
 ##########################################

devel-docs/app/Makefile.am

@@ -97,6 +97,7 @@ GTKDOC_LIBS = \
         $(PANGOFT2_LIBS)                                                     \
         $(FONTCONFIG_LIBS)                                                   \
         $(FREETYPE_LIBS)                                                     \
+        $(HARFBUZZ_LIBS)                                                     \
 	$(DBUS_GLIB_LIBS)						     \
 	$(GEGL_LIBS)							     \
 	$(RT_LIBS)							     \