M configure.ac → configure.ac

@@ -175,6 +175,9 @@ [
     AC_DEFINE(USE_IMLIB2, [1], [Use Imlib2 image library])
     AC_SUBST(IMLIB2_CFLAGS)
     AC_SUBST(IMLIB2_LIBS)
+    # export it for the pkg-config file
+    PKG_CONFIG_IMLIB=imlib2
+    AC_SUBST(PKG_CONFIG_IMLIB)
     imlib2_found=yes
   ],
   [

M obrender/obrender-3.5.pc.in → obrender/obrender-3.5.pc.in

@@ -9,6 +9,6 @@ 
 Name: ObRender
 Description: Openbox Render Library
 Version: @RR_VERSION@
-Requires: obt-3.5 glib-2.0 xft pangoxft
+Requires: obt-3.5 glib-2.0 xft pangoxft @PKG_CONFIG_IMLIB@
 Libs: -L${libdir} -lobrender ${xlibs}
 Cflags: -I${includedir}/openbox/@RR_VERSION@ ${xcflags}