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From: "edo88 at email dot it" <gcc-bugzilla@gcc.gnu.org>
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Subject: [Bug bootstrap/54353] New: bootstrap-debug-ckovw bootstrap fails because of -fcompare-debug-not-overridden
Date: Wed, 22 Aug 2012 20:38:00 -0000
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D54353

             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 =E2=80=98-fcompare-debug-not-overri=
dden=E2=80=99

configuration:

../gccsrc/configure --enable-languages=3Dc,c++ --prefix=3D$HOME/buildgcc
--program-suffix=3D-4.7-svn --with-build-config=3D'bootstrap-debug-lean
bootstrap-debug-lib bootstrap-debug-ckovw'

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

FORCE_COMPARE_DEBUG =3D \
    GCC_COMPARE_DEBUG=3D$${GCC_COMPARE_DEBUG--fcompare-debug-not-overridden=
}; \
    export GCC_COMPARE_DEBUG;
POSTSTAGE1_HOST_EXPORTS +=3D $(FORCE_COMPARE_DEBUG)
BASE_TARGET_EXPORTS +=3D $(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.