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authorJoe Slater <jslater@windriver.com>2015-07-02 17:10:51 +0800
committerRichard Purdie <richard.purdie@linuxfoundation.org>2015-07-08 00:01:23 +0100
commitabe6459c28a8e30ab6a9da76f27370c24c4746ee (patch)
treef0842eacfa99a7142c83e7e71c8520ba6b422730 /meta/conf/distro/include
parentc4437f17806c10f619cd7bfe699bf122b7f2bde9 (diff)
downloadpoky-abe6459c28a8e30ab6a9da76f27370c24c4746ee.tar.gz
security_flags: eliminate FORTIFY_SOURCE for debug builds
If -D_FORTIFY_SOURCE=2 is included in CFLAGS for debug builds, many warnings will be generated and some packages will fail to build. So, only conditionally include it. (From OE-Core rev: 1b576012a6a2b2ebc2c507cdaebd62174810b191) Signed-off-by: Joe Slater <jslater@windriver.com> Signed-off-by: Ross Burton <ross.burton@intel.com> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
Diffstat (limited to 'meta/conf/distro/include')
-rw-r--r--meta/conf/distro/include/security_flags.inc11
1 files changed, 8 insertions, 3 deletions
diff --git a/meta/conf/distro/include/security_flags.inc b/meta/conf/distro/include/security_flags.inc
index 104a6cbfea..85a3bfe589 100644
--- a/meta/conf/distro/include/security_flags.inc
+++ b/meta/conf/distro/include/security_flags.inc
@@ -5,13 +5,18 @@
5# From a Yocto Project perspective, this file is included and tested 5# From a Yocto Project perspective, this file is included and tested
6# in the DISTRO="poky-lsb" configuration. 6# in the DISTRO="poky-lsb" configuration.
7 7
8SECURITY_CFLAGS ?= "-fstack-protector-all -pie -fpie -D_FORTIFY_SOURCE=2" 8# _FORTIFY_SOURCE requires -O1 or higher, so disable in debug builds as they use
9SECURITY_NO_PIE_CFLAGS ?= "-fstack-protector-all -D_FORTIFY_SOURCE=2" 9# -O0 which then results in a compiler warning.
10lcl_maybe_fortify = "${@base_conditional('DEBUG_BUILD','1','','-D_FORTIFY_SOURCE=2',d)}"
11
12SECURITY_CFLAGS ?= "-fstack-protector-all -pie -fpie ${lcl_maybe_fortify}"
13SECURITY_NO_PIE_CFLAGS ?= "-fstack-protector-all ${lcl_maybe_fortify}"
14
10SECURITY_LDFLAGS ?= "-Wl,-z,relro,-z,now" 15SECURITY_LDFLAGS ?= "-Wl,-z,relro,-z,now"
11SECURITY_X_LDFLAGS ?= "-Wl,-z,relro" 16SECURITY_X_LDFLAGS ?= "-Wl,-z,relro"
12 17
13# powerpc does not get on with pie for reasons not looked into as yet 18# powerpc does not get on with pie for reasons not looked into as yet
14SECURITY_CFLAGS_powerpc = "-fstack-protector-all -D_FORTIFY_SOURCE=2" 19SECURITY_CFLAGS_powerpc = "-fstack-protector-all ${lcl_maybe_fortify}"
15# Deal with ppc specific linker failures when using the cflags 20# Deal with ppc specific linker failures when using the cflags
16SECURITY_CFLAGS_pn-dbus_powerpc = "" 21SECURITY_CFLAGS_pn-dbus_powerpc = ""
17SECURITY_CFLAGS_pn-dbus-ptest_powerpc = "" 22SECURITY_CFLAGS_pn-dbus-ptest_powerpc = ""