package/poppler: add gobject-introspection support

Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>

package/poppler/poppler.mk

@@ -17,7 +17,6 @@ POPPLER_CONF_OPTS = \
 	-DBUILD_GTK_TESTS=OFF \
 	-DBUILD_QT5_TESTS=OFF \
 	-DBUILD_CPP_TESTS=OFF \
-	-DENABLE_GOBJECT_INTROSPECTION=OFF \
 	-DENABLE_GTK_DOC=OFF
 
 # cmake older than 3.10 requires this to avoid try_run() in FindThreads
@@ -34,6 +33,13 @@ else
 POPPLER_CONF_OPTS += -DENABLE_DCTDECODER=none -DWITH_JPEG=OFF
 endif
 
+ifeq ($(BR2_PACKAGE_GOBJECT_INTROSPECTION),y)
+POPPLER_DEPENDENCIES += gobject-introspection
+POPPLER_CONF_OPTS += -DENABLE_GOBJECT_INTROSPECTION=ON
+else
+POPPLER_CONF_OPTS += -DENABLE_GOBJECT_INTROSPECTION=OFF
+endif
+
 ifeq ($(BR2_PACKAGE_LIBPNG),y)
 POPPLER_DEPENDENCIES += libpng
 POPPLER_CONF_OPTS += -DWITH_PNG=ON