Index: trunk/util/gsch2pcb-rnd/gsch2pcb.c
===================================================================
--- trunk/util/gsch2pcb-rnd/gsch2pcb.c	(revision 5838)
+++ trunk/util/gsch2pcb-rnd/gsch2pcb.c	(revision 5839)
@@ -37,6 +37,7 @@
 #include "../src/error.h"
 #include "../src/plugins.h"
 #include "../src/compat_misc.h"
+#include "../src/compat_fs.h"
 #include "method.h"
 #include "help.h"
 #include "gsch2pcb_rnd_conf.h"
@@ -326,6 +327,15 @@
 	}
 }
 
+void require_gnetlist_backend(const char *dir, char *backend)
+{
+	char *path = pcb_strdup_printf("%s/gnet-%s.scm", dir, backend);
+	if (!pcb_file_readable(path))
+		fprintf(stderr, "WARNING: %s is not found, gnetlist will probably fail; please check your pcb-rnd installation!\n", path);
+	free(path);
+}
+
+
 #include "fp_init.h"
 
 const char *local_project_pcb_name = NULL;
Index: trunk/util/gsch2pcb-rnd/method_import.c
===================================================================
--- trunk/util/gsch2pcb-rnd/method_import.c	(revision 5838)
+++ trunk/util/gsch2pcb-rnd/method_import.c	(revision 5839)
@@ -54,6 +54,7 @@
 		verbose_str = "-q";
 
 	backend = sep_net ? "pcbrndfwd_elem" : "pcbrndfwd";
+	require_gnetlist_backend(SCMDIR, backend);
 	if (!build_and_run_command("%s %s -L %s -g %s -o %s %L %L", gnetlist, verbose_str, PCBLIBDIR, backend, cmd_file_name, &extra_gnetlist_arg_list, &schematics)) {
 		fprintf(stderr, "Failed to run gnetlist with backend %s to generate the elements\n", backend);
 		exit(1);
Index: trunk/util/gsch2pcb-rnd/netlister.c
===================================================================
--- trunk/util/gsch2pcb-rnd/netlister.c	(revision 5838)
+++ trunk/util/gsch2pcb-rnd/netlister.c	(revision 5839)
@@ -69,6 +69,7 @@
 	if (!conf_g2pr.utils.gsch2pcb_rnd.verbose)
 		verbose_str = "-q";
 
+
 	if (!build_and_run_command("%s %s -g pcbpins -o %s %L %L", gnetlist, verbose_str, pins_file, &extra_gnetlist_arg_list, largs))
 		return FALSE;
 
@@ -77,6 +78,8 @@
 
 	mtime = (stat(pcb_file, &st) == 0) ? st.st_mtime : 0;
 
+	require_gnetlist_backend(SCMDIR, "gsch2pcb-rnd");
+
 	if (!build_and_run_command("%s %s -L " SCMDIR " -g gsch2pcb-rnd -o %s %L %L",
 														 gnetlist, verbose_str, pcb_file, &extra_gnetlist_arg_list, largs)) {
 		if (stat(pcb_file, &st) != 0 || mtime == st.st_mtime) {