[Bug bootstrap/54353] New: bootstrap-debug-ckovw bootstrap fails because of -fcompare-debug-not-overridden

[Bug bootstrap/54353] New: bootstrap-debug-ckovw bootstrap fails because of -fcompare-debug-not-overridden

[edo88 at email dot it]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54353

             Bug #: 54353
           Summary: bootstrap-debug-ckovw bootstrap fails because of
                    -fcompare-debug-not-overridden
    Classification: Unclassified
           Product: gcc
           Version: unknown
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: bootstrap
        AssignedTo: unassigned@gcc.gnu.org
        ReportedBy: edo88@email.it


I tried to bootstrap with GCC 4.7 branch with the options indicated below, but
it fails when it configures the 2nd stage for libgcc. I don't have the
config.log but it says as error:

error: unrecognised command line option ‘-fcompare-debug-not-overridden’

configuration:

../gccsrc/configure --enable-languages=c,c++ --prefix=$HOME/buildgcc
--program-suffix=-4.7-svn --with-build-config='bootstrap-debug-lean
bootstrap-debug-lib bootstrap-debug-ckovw'

probably the fault is the gccsrc/config/bootstrap-debug-ckovw.mk file:

FORCE_COMPARE_DEBUG = \
    GCC_COMPARE_DEBUG=$${GCC_COMPARE_DEBUG--fcompare-debug-not-overridden}; \
    export GCC_COMPARE_DEBUG;
POSTSTAGE1_HOST_EXPORTS += $(FORCE_COMPARE_DEBUG)
BASE_TARGET_EXPORTS += $(FORCE_COMPARE_DEBUG)

I can't verify this for the other versions.

>From what I heard in chat it seems that option was never tested it in these
years.

[Bug bootstrap/54353] bootstrap-debug-ckovw bootstrap fails because of -fcompare-debug-not-overridden

[pinskia at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=54353

Andrew Pinski <pinskia at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
     Ever confirmed|0                           |1
           Keywords|                            |build
   Last reconfirmed|                            |2021-09-18
             Status|UNCONFIRMED                 |NEW

--- Comment #1 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
So I just tested this.
The problem for me is configure in libcpp overrides the CFLAGS just to see if
-g is accepted and/or when testing to see which style of dependancy gcc is
emitting.
I don't think there is a way to get this fixed without major changes to
autoconf ...