--- a/configure
+++ b/configure
@@ -26634,7 +26634,7 @@
 done
 IFS=$as_save_IFS
 
-  test -z "$ac_cv_path_GDK_PIXBUF_CSOURCE" && ac_cv_path_GDK_PIXBUF_CSOURCE="no"
+  test -z "$ac_cv_path_GDK_PIXBUF_CSOURCE" && ac_cv_path_GDK_PIXBUF_CSOURCE=""
   ;;
 esac
 fi
@@ -26649,14 +26649,6 @@
 
 
 
-if test x"$GDK_PIXBUF_CSOURCE" = xno; then
-  { { $as_echo "$as_me:$LINENO: error: gdk-pixbuf-csource executable not found in your path - should be installed with GTK" >&5
-$as_echo "$as_me: error: gdk-pixbuf-csource executable not found in your path - should be installed with GTK" >&2;}
-   { (exit 1); exit 1; }; }
-fi
-
-
-
 ACLOCAL="$ACLOCAL $ACLOCAL_FLAGS"
 
 ##################################################
--- a/configure.in
+++ b/configure.in
@@ -128,11 +128,7 @@
 GLIB_GENMARSHAL=`$PKG_CONFIG --variable=glib_genmarshal glib-2.0`  
 AC_SUBST(GLIB_GENMARSHAL)
 
-AC_PATH_PROG(GDK_PIXBUF_CSOURCE, gdk-pixbuf-csource, no)
-
-if test x"$GDK_PIXBUF_CSOURCE" = xno; then
-  AC_MSG_ERROR([gdk-pixbuf-csource executable not found in your path - should be installed with GTK])
-fi
+AC_PATH_PROG(GDK_PIXBUF_CSOURCE, gdk-pixbuf-csource)
 
 AC_SUBST(GDK_PIXBUF_CSOURCE)
 
--- a/libwnck/Makefile.am
+++ b/libwnck/Makefile.am
@@ -163,7 +163,8 @@
 	$(wnck_built_cfiles)
 
 inlinepixbufs.h: $(IMAGES)
-	$(GDK_PIXBUF_CSOURCE) --raw --build-list $(VARIABLES) >$(srcdir)/inlinepixbufs.h
+	$(if $(GDK_PIXBUF_CSOURCE),$(GDK_PIXBUF_CSOURCE) --raw --build-list $(VARIABLES) >$(srcdir)/inlinepixbufs.h)
+	touch $@
 
 $(OBJECTS): inlinepixbufs.h
 
--- a/libwnck/Makefile.in
+++ b/libwnck/Makefile.in
@@ -826,7 +826,8 @@
 	&& rm -f new-wnck-enum-types.c
 
 inlinepixbufs.h: $(IMAGES)
-	$(GDK_PIXBUF_CSOURCE) --raw --build-list $(VARIABLES) >$(srcdir)/inlinepixbufs.h
+	$(if $(GDK_PIXBUF_CSOURCE),$(GDK_PIXBUF_CSOURCE) --raw --build-list $(VARIABLES) >$(srcdir)/inlinepixbufs.h)
+	touch $@
 
 $(OBJECTS): inlinepixbufs.h
 # Tell versions [3.59,3.63) of GNU make to not export all variables.