From c9248f7162875e26abca94185d34c235ac0a48de Mon Sep 17 00:00:00 2001 From: Christian Brauner Date: Mon, 11 Mar 2019 23:30:41 +0100 Subject: [PATCH] compiler: -fasynchronous-unwind-tables hardening Increased reliability of backtraces. Signed-off-by: Christian Brauner --- configure.ac | 1 + 1 file changed, 1 insertion(+) diff --git a/configure.ac b/configure.ac index d43dabc0df..fedffe3c9e 100644 --- a/configure.ac +++ b/configure.ac @@ -719,6 +719,7 @@ AX_CHECK_COMPILE_FLAG([-Werror=shift-count-overflow], [CFLAGS="$CFLAGS -Werror=s AX_CHECK_COMPILE_FLAG([-Werror=shift-overflow=2], [CFLAGS="$CFLAGS -Werror=shift-overflow=2"],,[-Werror]) AX_CHECK_COMPILE_FLAG([-Wdate-time], [CFLAGS="$CFLAGS -Wdate-time"],,[-Werror]) AX_CHECK_COMPILE_FLAG([-Wnested-externs], [CFLAGS="$CFLAGS -Wnested-externs"],,[-Werror]) +AX_CHECK_COMPILE_FLAG([-fasynchronous-unwind-tables], [CFLAGS="$CFLAGS -fasynchronous-unwind-tables"],,[-Werror]) AX_CHECK_LINK_FLAG([-z relro], [LDLAGS="$LDLAGS -z relro"],,[]) AX_CHECK_LINK_FLAG([-z now], [LDLAGS="$LDLAGS -z now"],,[])