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package/olsr: fix build with GCC >= 15

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This commit introduces a patch, submitted upstream, that fixes the
build of OLSR with GCC >= 15.

Fixes:

  https://autobuild.buildroot.net/results/650edf74dec513ad540f80f4d3ef8c8222dfd711/

Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
Signed-off-by: Julien Olivain <ju.o@free.fr>
(cherry picked from commit 34473e672b)
Signed-off-by: Raphaël Mélotte <raphael.melotte@mind.be>
This commit is contained in:
Thomas Petazzoni
2026-08-26 18:39:54 +02:00
committed by Raphaël Mélotte
parent d6e2a733a2
commit 37c47ee265
1 changed files with 35 additions and 0 deletions
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35
package/olsr/0007-src-olsr_types.h-fix-boolean-type-check-with-C23.patch Normal file
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@@ -0,0 +1,35 @@
From 6d7aab6d01ffa68f79b0b238d812a074051d94c4 Mon Sep 17 00:00:00 2001
From: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
Date: Wed, 26 Aug 2026 00:00:00 +0000
Subject: [PATCH] src/olsr_types.h: fix boolean type check with C23
GCC 15 defaults to GNU C23. In C23, bool, true and false are keywords,
and <stdbool.h> no longer defines __bool_true_false_are_defined. Therefore
the existing preprocessor check incorrectly rejects a valid C23 environment.
Keep the check for older C standards, where these identifiers must be
provided as macros by <stdbool.h> or by the GNU C fallback.
Upstream: https://github.com/OLSR/olsrd/pull/139
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
---
src/olsr_types.h | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/src/olsr_types.h b/src/olsr_types.h
index 36d2b723..ce2a0559 100644
--- a/src/olsr_types.h
+++ b/src/olsr_types.h
@@ -82,7 +82,8 @@ typedef signed int int32_t;
/* add some safe-gaurds */
#ifndef _MSC_VER
-#if !defined bool || !defined true || !defined false || !defined __bool_true_false_are_defined
+#if (!defined __STDC_VERSION__ || __STDC_VERSION__ < 202311L) && \
+ (!defined bool || !defined true || !defined false || !defined __bool_true_false_are_defined)
#error You have no C99-like boolean types. Please extend src/olsr_type.h!
#endif /* !defined bool || !defined true || !defined false || !defined __bool_true_false_are_defined */
#endif /* _MSC_VER */
--
2.55.0