From 5cd62972be096e2157c791cf7dcf8975e3c20c45 Mon Sep 17 00:00:00 2001
From: Ben Fuhrmannek
Date: Sun, 17 Jul 2022 14:05:20 +0200
Subject: added full relro protection if the linker supports -z

---
 src/config.m4 | 2 ++
 1 file changed, 2 insertions(+)

(limited to 'src/config.m4')

diff --git a/src/config.m4 b/src/config.m4
index 1958979..619dcbd 100644
--- a/src/config.m4
+++ b/src/config.m4
@@ -31,6 +31,8 @@ CFLAGS="$CFLAGS -fstack-protector-strong"
 
 LDFLAGS="$LDFLAGS `pcre2-config --libs8`"
 
+AX_CHECK_COMPILE_FLAG([-Wl,-z,relro,-z,now], [LDFLAGS="$LDFLAGS -Wl,-z,relro,-z,now"], {}, [-Werror])
+
 if test "$PHP_DEBUG" = "yes"; then
   AC_DEFINE(SP_DEBUG, 1, [Enable SP debug messages])
   CFLAGS="$CFLAGS -g -ggdb -O0"
-- 
cgit v1.3