Force nul-termination of strings after vsnprintf().

[oweals/tinc.git] / configure.ac

diff --git a/configure.ac b/configure.ac
index 0ef0c80c27bb8ae925318111cb8794091e54ec7d..dbde68fde4916b2006cef7398833492a5893879e 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -152,6 +152,8 @@ fi
 dnl Compiler hardening flags
 dnl No -fstack-protector-all because it doesn't work on all platforms or architectures.
 
+AX_CFLAGS_WARN_ALL(CFLAGS)
+
 AC_ARG_ENABLE([hardening], AS_HELP_STRING([--disable-hardening], [disable compiler and linker hardening flags]))
 AS_IF([test "x$enable_hardening" != "xno"],
   [AX_CHECK_COMPILE_FLAG([-DFORTIFY_SOURCE=2], [CPPFLAGS="$CPPFLAGS -DFORTIFY_SOURCE=2"])