This is the mail archive of the
libc-alpha@sourceware.org
mailing list for the glibc project.
[PATCH 11/16] Enable -fstack-protector=* when requested by configure.
- From: Nix <nix at esperi dot org dot uk>
- To: libc-alpha at sourceware dot org
- Date: Sun, 28 Feb 2016 16:41:30 +0000
- Subject: [PATCH 11/16] Enable -fstack-protector=* when requested by configure.
- Authentication-results: sourceware.org; auth=none
- References: <1456677695-29778-1-git-send-email-nix at esperi dot org dot uk>
From: Nick Alcock <nick.alcock@oracle.com>
This finally turns on all the machinery added in previous commits.
v3: Wrap long lines.
---
Makeconfig | 8 +++++++-
1 file changed, 7 insertions(+), 1 deletion(-)
diff --git a/Makeconfig b/Makeconfig
index 87a22e8..efcfdad 100644
--- a/Makeconfig
+++ b/Makeconfig
@@ -762,6 +762,11 @@ endif
# disable any optimization that assume default rounding mode.
+math-flags = -frounding-math
+# We might want to compile with some stack-protection flag.
+ifneq ($(stack-protector),)
++stack-protector=$(stack-protector)
+endif
+
# This is the program that generates makefile dependencies from C source files.
# The -MP flag tells GCC >= 3.2 (which we now require) to produce dummy
# targets for headers so that removed headers don't break the build.
@@ -821,7 +826,8 @@ ifeq "$(strip $(+cflags))" ""
+cflags := $(default_cflags)
endif # $(+cflags) == ""
-+cflags += $(cflags-cpu) $(+gccwarn) $(+merge-constants) $(+math-flags)
++cflags += $(cflags-cpu) $(+gccwarn) $(+merge-constants) $(+math-flags) \
+ $(+stack-protector)
+gcc-nowarn := -w
# Don't duplicate options if we inherited variables from the parent.
--
2.7.0.198.g6dd47b6