build system: do not rebuild ash and hush on any change to any .c file

[platform/upstream/busybox.git] / applets / applet_tables.c

diff --git a/applets/applet_tables.c b/applets/applet_tables.c
index e48be46..338dc20 100644 (file)
--- a/applets/applet_tables.c
+++ b/applets/applet_tables.c
@@ -79,7 +79,7 @@ int main(int argc, char **argv)
        }
        printf("\n");
 
-       printf("#ifndef SKIP_definitions\n");
+       //printf("#ifndef SKIP_definitions\n");
        printf("const char applet_names[] ALIGN1 = \"\"\n");
        for (i = 0; i < NUM_APPLETS; i++) {
                printf("\"%s\" \"\\0\"\n", applets[i].name);
@@ -123,9 +123,29 @@ int main(int argc, char **argv)
        }
        printf("};\n");
 #endif
-       printf("#endif /* SKIP_definitions */\n");
+       //printf("#endif /* SKIP_definitions */\n");
        printf("\n");
        printf("#define MAX_APPLET_NAME_LEN %u\n", MAX_APPLET_NAME_LEN);
 
+       if (argv[2]) {
+               char line_old[80];
+               char line_new[80];
+               FILE *fp;
+
+               line_old[0] = 0;
+               fp = fopen(argv[2], "r");
+               if (fp) {
+                       fgets(line_old, sizeof(line_old), fp);
+                       fclose(fp);
+               }
+               sprintf(line_new, "#define NUM_APPLETS %u\n", NUM_APPLETS);
+               if (strcmp(line_old, line_new) != 0) {
+                       fp = fopen(argv[2], "w");
+                       if (!fp)
+                               return 1;
+                       fputs(line_new, fp);
+               }
+       }
+
        return 0;
 }