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fuse3: fix build warning in fuse_signals.c

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BT_STACK_SZ and backtrace_buffer are not used when
HAVE_BACKTRACE is undefined. Wrap them in #ifdef
to avoid a build warning:

../lib/fuse_signals.c:31:14: warning: 'backtrace_buffer' defined but not used [-Wunused-variable]
   31 | static void *backtrace_buffer[BT_STACK_SZ];
      |              ^~~~~~~~~~~~~~~~

[1] https://github.com/libfuse/libfuse/pull/1245

Signed-off-by: Georgi Valkov <gvalkov@gmail.com>
This commit is contained in:
Georgi Valkov
2025-06-12 08:28:04 +03:00
committed by Robert Marko
parent 992b62589b
commit 9ef176aaec
2 changed files with 32 additions and 1 deletions
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2
utils/fuse3/Makefile
View File

@@ -10,7 +10,7 @@ include $(INCLUDE_DIR)/kernel.mk
PKG_NAME:=fuse3
PKG_VERSION:=3.17.2
PKG_RELEASE:=1
PKG_RELEASE:=2
PKG_SOURCE:=fuse-$(PKG_VERSION).tar.gz
PKG_SOURCE_URL:=https://github.com/libfuse/libfuse/releases/download/fuse-$(PKG_VERSION)

31
utils/fuse3/patches/100-fuse_signals.c-fix-build-warning-when-HAVE_BACKTRACE.patch Normal file
View File

@@ -0,0 +1,31 @@
From: Georgi Valkov <gvalkov@gmail.com>
Date: Thu, 12 Jun 2025 07:36:14 +0300
Subject: [PATCH] fuse_signals.c: fix build warning when HAVE_BACKTRACE is
undefined
BT_STACK_SZ and backtrace_buffer are not used when
HAVE_BACKTRACE is undefined. Wrap them in #ifdef
to avoid a build warning:
../lib/fuse_signals.c:31:14: warning: 'backtrace_buffer' defined but not used [-Wunused-variable]
31 | static void *backtrace_buffer[BT_STACK_SZ];
| ^~~~~~~~~~~~~~~~
Signed-off-by: Georgi Valkov <gvalkov@gmail.com>
---
lib/fuse_signals.c | 2 ++
1 file changed, 2 insertions(+)
--- a/lib/fuse_signals.c
+++ b/lib/fuse_signals.c
@@ -27,8 +27,10 @@ static int ignore_sigs[] = { SIGPIPE};
static int fail_sigs[] = { SIGILL, SIGTRAP, SIGABRT, SIGBUS, SIGFPE, SIGSEGV };
static struct fuse_session *fuse_instance;
+#ifdef HAVE_BACKTRACE
#define BT_STACK_SZ (1024 * 1024)
static void *backtrace_buffer[BT_STACK_SZ];
+#endif
static void dump_stack(void)
{