[patch] patch for 4.8

kernel-gcc-default-pie.patch (text/plain), 874 bytes, created by Magnus Granberg on 2016-10-13 18:49:54 UTC

--- a/scripts/gcc-default-pie.sh	2016-10-04 22:42:53.676653594 +0200
+++ b/scripts/gcc-default-pie.sh	2016-10-04 22:03:43.816598681 +0200
@@ -0,0 +1,12 @@
+#!/bin/sh
+# Test if gcc default to -fPIE/-fpie
+
+cat << "END" | $@ -x c - -c -o /dev/null >/dev/null 2>&1 && echo "y"
+int main(void)
+{
+#if !(defined(__PIE__) || defined(__pie__))
+#error "Compiler don't default to PIE"
+#endif
+    return 0;
+}
+END
--- a/Makefile
+++ b/Makefile
@@ -674,6 +674,12 @@ ifdef CONFIG_CC_STACKPROTECTOR
 endif
 KBUILD_CFLAGS += $(stackp-flag)
 
+# Force off for compilers that enable PIE by default.
+ifeq ($(CONFIG_SHELL) $(srctree)/scripts/gcc-default-pie.sh $(CC), y)
+KBUILD_CFLAGS += -fno-PIE
+KBUILD_ASFLAG += -fno-PIE
+endif
+
 ifeq ($(cc-name),clang)
 KBUILD_CPPFLAGS += $(call cc-option,-Qunused-arguments,)
 KBUILD_CPPFLAGS += $(call cc-option,-Wno-unknown-warning-option,)