depot/third_party/nixpkgs/pkgs/development/libraries/libunwind/backtrace-only-with-glibc.patch
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GitOrigin-RevId: 2c3273caa153ee8eb5786bc8141b85b859e7efd7
2020-04-24 19:36:52 -04:00

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From 04437142399662b576bd55a85485c6dcc14d0812 Mon Sep 17 00:00:00 2001
From: Khem Raj <raj.khem at gmail.com>
Date: Thu, 31 Dec 2015 06:44:07 +0000
Subject: [PATCH] backtrace: Use only with glibc and uclibc
backtrace API is glibc specific not linux specific
so make it behave so.
Signed-off-by: Khem Raj <raj.khem at gmail.com>
---
Upstream-Status: Pending
tests/test-coredump-unwind.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/tests/test-coredump-unwind.c b/tests/test-coredump-unwind.c
index 5254708..8767b42 100644
--- a/tests/test-coredump-unwind.c
+++ b/tests/test-coredump-unwind.c
@@ -57,7 +57,9 @@
#include <grp.h>
/* For SIGSEGV handler code */
+#ifdef __GLIBC__
#include <execinfo.h>
+#endif
#include <sys/ucontext.h>
#include <libunwind-coredump.h>
@@ -238,11 +240,11 @@ void handle_sigsegv(int sig, siginfo_t *info, void *ucontext)
ip);
{
+#ifdef __GLIBC__
/* glibc extension */
void *array[50];
int size;
size = backtrace(array, 50);
-#ifdef __linux__
backtrace_symbols_fd(array, size, 2);
#endif
}
--
2.6.4