main.c and panel.c actually depend on ../config.h

src/Makefile

@@ -35,10 +35,10 @@ run_LDFLAGS = $(LDFLAGSF) $(LDFLAGS)
 run: $(run_OBJS)
 	$(CC) -o run $(run_OBJS) $(run_LDFLAGS)
 
-panel.o: panel.c common.h ../include/Panel.h
+panel.o: panel.c common.h ../include/Panel.h ../config.h
 	$(CC) $(panel_CFLAGS) -c panel.c
 
-main.o: main.c common.h
+main.o: main.c common.h ../config.h
 	$(CC) $(panel_CFLAGS) -c main.c
 
 run.o: run.c

src/main.c

@@ -21,12 +21,13 @@
 #include <signal.h>
 #include <gtk/gtk.h>
 #include "common.h"
+#include "../config.h"
 
 
 /* usage */
 static int _usage(void)
 {
-	fputs("Usage: panel\n", stderr);
+	fputs("Usage: " PACKAGE "\n", stderr);
 	return 1;
 }
 

src/panel.c

@@ -214,7 +214,7 @@ int panel_error(Panel * panel, char const * message, int ret)
 
 static int _error_text(char const * message, int ret)
 {
-	fputs("panel: ", stderr);
+	fputs(PACKAGE ": ", stderr);
 	perror(message);
 	return ret;
 }

src/project.conf

@@ -15,10 +15,10 @@ cppflags=-D PREFIX=\"$(PREFIX)\"
 install=$(BINDIR)
 
 [main.c]
-depends=common.h
+depends=common.h,../config.h
 
 [panel.c]
-depends=common.h,../include/Panel.h
+depends=common.h,../include/Panel.h,../config.h
 
 [run]
 type=binary