Index: hooks.c
===================================================================
--- hooks.c	(revision 34810)
+++ hooks.c	(revision 34811)
@@ -98,6 +98,12 @@
 	put("/local/pcb/want_static", sfalse);
 	put("/local/pcb/dot_pcb_rnd", ".pcb-rnd");
 	put("/local/pcb/librnd_prefix", TO_STR(LIBRND_PREFIX));
+
+	/* if librnd is installed at some custom path, we'll need to have a -I on CFLAGS */
+	if ((strncasecmp(TO_STR(LIBRND_PREFIX), "/usr/include", 12) != 0) && (strncasecmp(TO_STR(LIBRND_PREFIX), "/usr/local/include", 18) != 0)) {
+		put("/local/pcb/librnd_extra_inc", "-I" TO_STR(LIBRND_PREFIX) "/include");
+		put("/local/pcb/librnd_extra_ldf", "-L" TO_STR(LIBRND_PREFIX) "/lib");
+	}
 	return 0;
 }