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util/kconfig: Uprev to Linux 5.13's kconfig

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This was originally several commits that had to be squashed into one
because the intermediate states weren't able to build coreboot:

 - one to remove everything that wasn't our own code, leaving only
   regex.[ch], toada.c, description.md and Makefile.inc.
 - one to copy in Linux 5.13's scripts/kconfig and adapt Makefile.inc
   to make the original Makefile work again.
 - adapt abuild to use olddefconfig, simplifying matters.
 - apply patches in util/kconfig/patches.
 - Some more adaptations to the libpayload build system.

The patches are now in util/kconfig/patches/, reverse applying them
should lead to a util/kconfig/ tree that contains exactly the Linux
version + our own 5 files.

Change-Id: Ia0e8fe4e9022b278f34ab113a433ef4d45e5c355
Signed-off-by: Patrick Georgi <pgeorgi@google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/37152
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Raul Rangel <rrangel@chromium.org>
This commit is contained in:
Patrick Georgi
2019-11-22 16:55:58 +01:00
parent 8585eabc5d
commit 53ea1d44f0
69 changed files with 6407 additions and 9476 deletions
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43
util/kconfig/patches/0001-Kconfig-Add-KCONFIG_STRICT-mode.patch Normal file
View File

@@ -0,0 +1,43 @@
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
@@ -439,6 +439,7 @@ 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;
}
@@ -521,6 +522,13 @@ 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;
}