From: Darren Tucker <dtucker@dtucker.net>
Date: Wed, 4 Jun 2025 08:33:52 +0000 (+1000)
Subject: Disable _FORTIFY_SOURCE during snprintf test.
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=a22ff3c6f11edd00c19981f9cb85d3b25d305a56;p=thirdparty%2Fopenssh-portable.git

Disable _FORTIFY_SOURCE during snprintf test.

Prevents mistakenly detecting snprintf as broken on FreeBSD 15 with
_FORTIFY_SOURCE enabled.  bz#3809, patch from jlduran at gmail.com
---

diff --git a/configure.ac b/configure.ac
index 94e782e15..9bc664172 100644
--- a/configure.ac
+++ b/configure.ac
@@ -2503,6 +2503,9 @@ fi
 # This is only useful for when BROKEN_SNPRINTF
 AC_MSG_CHECKING([whether snprintf can declare const char *fmt])
 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
+#ifdef _FORTIFY_SOURCE
+#undef _FORTIFY_SOURCE
+#endif
 #include <stdio.h>
 int snprintf(char *a, size_t b, const char *c, ...) { return 0; }
 		]], [[