[OE-core] [oe-core][PATCH] poky-lsb: security_flags.inc

[Hongzhi.Song]

To fix the following error, we append '-O' to the defination of _FORTIFY_SOURCE

recipe-sysroot/usr/include/features.h:381:4: error: #warning _FORTIFY_SOURCE requires compiling with optimization (-O) [-Werror=cpp]
 #  warning _FORTIFY_SOURCE requires compiling with optimization (-O)
     ^~~~~~~

Signed-off-by: Hongzhi.Song <hongzhi.song at windriver.com>
---
 meta/conf/distro/include/security_flags.inc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/meta/conf/distro/include/security_flags.inc b/meta/conf/distro/include/security_flags.inc
index 6245e89ada..1c32fd3165 100644
--- a/meta/conf/distro/include/security_flags.inc
+++ b/meta/conf/distro/include/security_flags.inc
@@ -10,7 +10,7 @@ GCCPIE ?= "--enable-default-pie"
 
 # _FORTIFY_SOURCE requires -O1 or higher, so disable in debug builds as they use
 # -O0 which then results in a compiler warning.
-lcl_maybe_fortify = "${@oe.utils.conditional('DEBUG_BUILD','1','','-D_FORTIFY_SOURCE=2',d)}"
+lcl_maybe_fortify = "${@oe.utils.conditional('DEBUG_BUILD','1','','-D_FORTIFY_SOURCE=2 -O',d)}"
 
 # Error on use of format strings that represent possible security problems
 SECURITY_STRINGFORMAT ?= "-Wformat -Wformat-security -Werror=format-security"
-- 
2.11.0