glib: Build introspection linking to the uninstalled libraries

https://bugs.freedesktop.org/show_bug.cgi?id=84526
diff --git a/glib/Makefile.am b/glib/Makefile.am
index 040996a..2920cf9 100644
--- a/glib/Makefile.am
+++ b/glib/Makefile.am
@@ -99,7 +99,7 @@
 Poppler-0.18.gir: libpoppler-glib.la
 Poppler_0_18_gir_INCLUDES = GObject-2.0 Gio-2.0 cairo-1.0
 Poppler_0_18_gir_CFLAGS = $(INCLUDES) -I$(top_builddir)
-Poppler_0_18_gir_LIBS = libpoppler-glib.la
+Poppler_0_18_gir_LIBS = libpoppler-glib.la $(top_builddir)/poppler/libpoppler.la $(top_builddir)/poppler/libpoppler-cairo.la
 Poppler_0_18_gir_FILES = $(introspection_files)
 Poppler_0_18_gir_SCANNERFLAGS = --c-include poppler.h
 Poppler_0_18_gir_EXPORT_PACKAGES = poppler-glib