diff -ur gtkam-0.2.0/configure.ac gtkam-0.2.0.new/configure.ac
--- gtkam-0.2.0/configure.ac	2012-07-10 09:50:52.000000000 +0200
+++ gtkam-0.2.0.new/configure.ac	2013-12-28 17:10:16.899893905 +0100
@@ -32,7 +32,6 @@
 dnl Some programs we need
 dnl ---------------------------------------------------------------------------
 AC_PROG_CC
-AM_PROG_CC_STDC
 AC_HEADER_STDC
 AM_PROG_LIBTOOL
 AC_PROG_INSTALL
@@ -86,9 +85,7 @@
 )
 LIBS="$save_LIBS"
 
-PKG_CHECK_MODULES([GTK], [gtk+-2.0])
-AC_SUBST([GTK_CFLAGS])
-AC_SUBST([GTK_LIBS])
+GP_CHECK_LIBRARY([GTK2], [gtk+-2.0])
 
 
 dnl ---------------------------------------------------------------------------
Sólo en gtkam-0.2.0.new/: configure.ac.orig
diff -ur gtkam-0.2.0/src/Makefile.am gtkam-0.2.0.new/src/Makefile.am
--- gtkam-0.2.0/src/Makefile.am	2009-10-10 11:10:26.000000000 +0200
+++ gtkam-0.2.0.new/src/Makefile.am	2013-12-28 17:10:13.118834763 +0100
@@ -6,7 +6,7 @@
 	$(LIBEXIF_GTK_CFLAGS)		\
 	$(LIBGPHOTO2_CFLAGS)		\
 	$(GNOME_CFLAGS) 		\
-	$(GTK_CFLAGS)			\
+	$(GTK2_CFLAGS)			\
 	$(BONOBO_CFLAGS)		\
 	$(GTKAM_GIMP_CFLAGS)
 
@@ -46,14 +46,14 @@
 	gtkam-exif.c gtkam-exif.h 		\
 	gtkam-main.c gtkam-main.h 		\
 	i18n.h main.c
-gtkam_LDADD = \
-	libgtkam.a	\
-	$(LIBEXIF_LIBS) \
-	$(LIBEXIF_GTK_LIBS) \
+gtkam_LDADD = 			\
+	libgtkam.a		\
+	$(LIBEXIF_LIBS) 	\
+	$(LIBEXIF_GTK_LIBS) 	\
 	$(LIBGPHOTO2_LIBS)	\
-	$(GTKAM_LIBS) 	\
-	$(BONOBO_LIBS)	\
-	$(GNOME_LIBS)	\
+	$(GTK2_LIBS) 		\
+	$(BONOBO_LIBS)		\
+	$(GNOME_LIBS)		\
 	$(INTLLIBS)
 
 if HAVE_GIMP
@@ -69,6 +69,7 @@
 	$(LIBEXIF_LIBS)		\
 	$(LIBEXIF_GTK_LIBS) 	\
 	$(LIBGPHOTO2_LIBS)	\
+	$(GTK2_LIBS) 		\
 	$(BONOBO_LIBS)		\
 	$(GNOME_LIBS)		\
 	$(INTLLIBS)
diff -ur gtkam-0.2.0/test/Makefile.am gtkam-0.2.0.new/test/Makefile.am
--- gtkam-0.2.0/test/Makefile.am	2009-10-10 11:10:25.000000000 +0200
+++ gtkam-0.2.0.new/test/Makefile.am	2013-12-28 17:10:13.119834775 +0100
@@ -4,7 +4,7 @@
 	$(LIBEXIF_GTK_CFLAGS)		\
 	$(LIBGPHOTO2_CFLAGS)		\
 	$(GNOME_CFLAGS) 		\
-	$(GTK_CFLAGS)			\
+	$(GTK2_CFLAGS)			\
 	$(BONOBO_CFLAGS)		\
 	$(GTKAM_GIMP_CFLAGS)
 
@@ -13,7 +13,7 @@
 	$(LIBEXIF_LIBS)			\
 	$(LIBEXIF_GTK_LIBS)		\
 	$(LIBGPHOTO2_LIBS)	\
-	$(GTK_LIBS)			\
+	$(GTK2_LIBS)			\
 	$(BONOBO_LIBS)			\
 	$(INTLLIBS)