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.s...@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 -- _______________________________________________ Openembedded-core mailing list Openembedded-core@lists.openembedded.org http://lists.openembedded.org/mailman/listinfo/openembedded-core