Du kan inte välja fler än 25 ämnen
Ämnen måste starta med en bokstav eller siffra, kan innehålla bindestreck ('-') och vara max 35 tecken långa.
117 rader
4.5 KiB
117 rader
4.5 KiB
From e2dd47233f467e2ab80564968be4af6da6505161 Mon Sep 17 00:00:00 2001
|
|
From: Andreas Schneider <asn@samba.org>
|
|
Date: Mon, 3 Sep 2018 10:35:08 +0200
|
|
Subject: [PATCH 1/2] waf: Check for -fstack-protect-strong support
|
|
|
|
The -fstack-protector* flags are compiler only flags, don't pass them to
|
|
the linker.
|
|
|
|
https://developers.redhat.com/blog/2018/03/21/compiler-and-linker-flags-gcc/
|
|
|
|
BUG: https://bugzilla.samba.org/show_bug.cgi?id=13601
|
|
|
|
Signed-off-by: Andreas Schneider <asn@samba.org>
|
|
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
|
|
(cherry picked from commit 38e97f8b52e85bdfcf2d74a4fb3c848fa46ba371)
|
|
---
|
|
buildtools/wafsamba/samba_autoconf.py | 36 ++++++++++++++-------------
|
|
1 file changed, 19 insertions(+), 17 deletions(-)
|
|
|
|
diff --git a/buildtools/wafsamba/samba_autoconf.py b/buildtools/wafsamba/samba_autoconf.py
|
|
index c4391d0c4dc..bfd6f9710db 100644
|
|
--- a/buildtools/wafsamba/samba_autoconf.py
|
|
+++ b/buildtools/wafsamba/samba_autoconf.py
|
|
@@ -674,23 +674,25 @@ def SAMBA_CONFIG_H(conf, path=None):
|
|
return
|
|
|
|
# we need to build real code that can't be optimized away to test
|
|
- if conf.check(fragment='''
|
|
- #include <stdio.h>
|
|
-
|
|
- int main(void)
|
|
- {
|
|
- char t[100000];
|
|
- while (fgets(t, sizeof(t), stdin));
|
|
- return 0;
|
|
- }
|
|
- ''',
|
|
- execute=0,
|
|
- ccflags='-fstack-protector',
|
|
- ldflags='-fstack-protector',
|
|
- mandatory=False,
|
|
- msg='Checking if toolchain accepts -fstack-protector'):
|
|
- conf.ADD_CFLAGS('-fstack-protector')
|
|
- conf.ADD_LDFLAGS('-fstack-protector')
|
|
+ stack_protect_list = ['-fstack-protector-strong', '-fstack-protector']
|
|
+ for stack_protect_flag in stack_protect_list:
|
|
+ flag_supported = conf.check(fragment='''
|
|
+ #include <stdio.h>
|
|
+
|
|
+ int main(void)
|
|
+ {
|
|
+ char t[100000];
|
|
+ while (fgets(t, sizeof(t), stdin));
|
|
+ return 0;
|
|
+ }
|
|
+ ''',
|
|
+ execute=0,
|
|
+ ccflags=[ '-Werror', '-Wp,-D_FORTIFY_SOURCE=2', stack_protect_flag],
|
|
+ mandatory=False,
|
|
+ msg='Checking if compiler accepts %s' % (stack_protect_flag))
|
|
+ if flag_supported:
|
|
+ conf.ADD_CFLAGS('-Wp,-D_FORTIFY_SOURCE=2 %s' % (stack_protect_flag))
|
|
+ break
|
|
|
|
if Options.options.debug:
|
|
conf.ADD_CFLAGS('-g', testflags=True)
|
|
--
|
|
2.18.0
|
|
|
|
|
|
From 09f3acb3497efb9ebb8a0d7d199726a8c318e4f8 Mon Sep 17 00:00:00 2001
|
|
From: Andreas Schneider <asn@samba.org>
|
|
Date: Mon, 3 Sep 2018 10:49:52 +0200
|
|
Subject: [PATCH 2/2] waf: Add -fstack-clash-protection
|
|
|
|
https://developers.redhat.com/blog/2018/03/21/compiler-and-linker-flags-gcc/
|
|
|
|
BUG: https://bugzilla.samba.org/show_bug.cgi?id=13601
|
|
|
|
Signed-off-by: Andreas Schneider <asn@samba.org>
|
|
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
|
|
(cherry picked from commit fc4df251c88365142515a81bea1120b2b84cc4a0)
|
|
---
|
|
buildtools/wafsamba/samba_autoconf.py | 17 +++++++++++++++++
|
|
1 file changed, 17 insertions(+)
|
|
|
|
diff --git a/buildtools/wafsamba/samba_autoconf.py b/buildtools/wafsamba/samba_autoconf.py
|
|
index bfd6f9710db..f2b3ec8db8d 100644
|
|
--- a/buildtools/wafsamba/samba_autoconf.py
|
|
+++ b/buildtools/wafsamba/samba_autoconf.py
|
|
@@ -694,6 +694,23 @@ def SAMBA_CONFIG_H(conf, path=None):
|
|
conf.ADD_CFLAGS('-Wp,-D_FORTIFY_SOURCE=2 %s' % (stack_protect_flag))
|
|
break
|
|
|
|
+ flag_supported = conf.check(fragment='''
|
|
+ #include <stdio.h>
|
|
+
|
|
+ int main(void)
|
|
+ {
|
|
+ char t[100000];
|
|
+ while (fgets(t, sizeof(t), stdin));
|
|
+ return 0;
|
|
+ }
|
|
+ ''',
|
|
+ execute=0,
|
|
+ ccflags=[ '-Werror', '-fstack-clash-protection'],
|
|
+ mandatory=False,
|
|
+ msg='Checking if compiler accepts -fstack-clash-protection')
|
|
+ if flag_supported:
|
|
+ conf.ADD_CFLAGS('-fstack-clash-protection')
|
|
+
|
|
if Options.options.debug:
|
|
conf.ADD_CFLAGS('-g', testflags=True)
|
|
|
|
--
|
|
2.18.0
|
|
|
|
|