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From 30f0cd91b21dbc5d593d61ae44875ad0cb53cb4d Mon Sep 17 00:00:00 2001
From: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Date: Sat, 16 Jul 2016 11:27:06 +0200
Subject: [PATCH] integck: only use execinfo.h when INTEGCK_DEBUG is enabled
Guard the usage of execinfo.h by INTEGCK_DEBUG so that by defaut,
integck builds properly on systems without <execinfo.h> (uClibc and
musl based systems). As stated in the code, the backtrace()
functionality of <execinfo.h> will anyway only work properly when
INTEGCK_DEBUG is defined (it makes all functions non-static, which is
needed for backtrace to provide some useful information).
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
---
tests/fs-tests/integrity/integck.c | 9 ++++++++-
1 file changed, 8 insertions(+), 1 deletion(-)
diff --git a/tests/fs-tests/integrity/integck.c b/tests/fs-tests/integrity/integck.c
index 8badd1f..6ef817e 100644
--- a/tests/fs-tests/integrity/integck.c
+++ b/tests/fs-tests/integrity/integck.c
@@ -31,7 +31,9 @@
#include <getopt.h>
#include <assert.h>
#include <mntent.h>
+#ifdef INTEGCK_DEBUG
#include <execinfo.h>
+#endif
#include <bits/stdio_lim.h>
#include <sys/mman.h>
#include <sys/vfs.h>
@@ -248,14 +250,18 @@ static char *random_name_buf;
static void check_failed(const char *cond, const char *func, const char *file,
int line)
{
- int error = errno, count;
+ int error = errno;
+#ifdef INTEGCK_DEBUG
+ int count;
void *addresses[128];
+#endif
fflush(stdout);
fflush(stderr);
errmsg("condition '%s' failed in %s() at %s:%d",
cond, func, file, line);
normsg("error %d (%s)", error, strerror(error));
+#ifdef INTEGCK_DEBUG
/*
* Note, to make this work well you need:
* 1. Make all functions non-static - add "#define static'
@@ -264,6 +270,7 @@ static void check_failed(const char *cond, const char *func, const char *file,
*/
count = backtrace(addresses, 128);
backtrace_symbols_fd(addresses, count, fileno(stdout));
+#endif
exit(EXIT_FAILURE);
}
--
2.7.4
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