Add stack protector

37dec0b8 · Nils Goroll · 7efce6b7 · 37dec0b8
Unverified Commit 37dec0b8 authored Apr 28, 2022 by Nils Goroll
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configure.ac configure.ac +12 -0

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--- a/configure.ac
+++ b/configure.ac
@@ -26,6 +26,18 @@ AC_ARG_WITH([rst2man],
 	[RST2MAN="$withval"],
 	[AC_CHECK_PROGS(RST2MAN, [rst2man rst2man.py], [])])

+AC_ARG_ENABLE(stack-protector,
+	AS_HELP_STRING([--enable-stack-protector],[enable stack protector (default is YES)]),
+	[],
+	[enable_stack_protector=yes])
+
+if test "x$enable_stack_protector" != "xno"; then
+	AX_CHECK_COMPILE_FLAG([-fstack-protector],
+		AX_CHECK_LINK_FLAG([-fstack-protector],
+			[CFLAGS="${CFLAGS} -fstack-protector"], [], []),
+		[], [])
+fi
+
 m4_ifndef([VARNISH_PREREQ], AC_MSG_ERROR([Need varnish.m4 -- see README.rst]))

 VARNISH_PREREQ([6.2])