Now that a special no-SSP libc is used for rtld, allow

-fstack-protector-all for normal libc builds.

Submitted by:	Luis Pires
Reviewed by:	brooks
Differential revision:	https://reviews.freebsd.org/D15340
This commit is contained in:
Konstantin Belousov 2018-05-09 10:33:25 +00:00
parent 0725fca53d
commit 6c100026bf

@ -199,10 +199,6 @@ GENDIRDEPS_FILTER+= N${RELDIR:H}/msun
# Disable warnings in contributed sources.
CWARNFLAGS:= ${.IMPSRC:Ngdtoa_*.c:C/^.+$/${CWARNFLAGS}/:C/^$/-w/}
# XXX For now, we don't allow libc to be compiled with
# -fstack-protector-all because it breaks rtld. We may want to make a librtld
# in the future to circumvent this.
SSP_CFLAGS:= ${SSP_CFLAGS:S/^-fstack-protector-all$/-fstack-protector/}
# Disable stack protection for SSP symbols.
SSP_CFLAGS:= ${.IMPSRC:N*/stack_protector.c:C/^.+$/${SSP_CFLAGS}/}
# Generate stack unwinding tables for cancellation points