[Bug target/91349] [9 regression] powerpc*-*-freebsd* defines _GNU_SOURCE

[amodra at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91349

--- Comment #2 from Alan Modra <amodra at gcc dot gnu.org> ---
Author: amodra
Date: Mon Aug  5 01:52:33 2019
New Revision: 274105

URL: https://gcc.gnu.org/viewcvs?rev=274105&root=gcc&view=rev
Log:
PR91349, powerpc64*-*-freebsd* defines _GNU_SOURCE

rev 266496 (git ab6b1bb456) undefined some macros in rs6000/freebsd.h
but missed doing the same in rs6000/freebsd64.h.

        PR target/91349
        * config/rs6000/freebsd64.h (CPLUSPLUS_CPP_SPEC),
        (LINK_GCC_C_SEQUENCE_SPEC): Undef.

Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/config/rs6000/freebsd64.h