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From c822f47921feb53b97f48f3aa8d1e843f5099c63 Mon Sep 17 00:00:00 2001
From: Stefan Reinauer <stefan.reinauer@coreboot.org>
Date: Fri, 17 Jul 2015 17:26:48 -0700
Subject: [PATCH] Kconfig: Add KCONFIG_STRICT mode
This is basically a -Werror mode for Kconfig. When exporting
KCONFIG_STRICT in the Makefile, warnings in Kconfig will produce
errors instead.
This will make it easier to spot unclean Kconfig files, settings
and dependencies.
Signed-off-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
---
util/kconfig/confdata.c | 8 ++++++++
1 file changed, 8 insertions(+)
Index: kconfig/confdata.c
===================================================================
--- kconfig.orig/confdata.c
+++ kconfig/confdata.c
@@ -430,6 +430,7 @@ load:
if (def == S_DEF_USER) {
sym = sym_find(line + 2 + strlen(CONFIG_));
if (!sym) {
+ conf_warning("trying to assign non-existent symbol %s", line + strlen(CONFIG_));
conf_set_changed(true);
continue;
}
@@ -512,6 +513,13 @@ load:
}
free(line);
fclose(in);
+
+ name = getenv("KCONFIG_STRICT");
+ if (name && *name && conf_warnings) {
+ fprintf(stderr, "\nERROR: %d warnings encountered, and warnings are errors.\n\n", conf_warnings);
+ return 1;
+ }
+
return 0;
}
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