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Re: VAX Ultrix bootstrap failure: cc: -o would overwrite libgcc/_mulsi3.o
- To: dave at hiauly1 dot hia dot nrc dot ca (John David Anglin)
- Subject: Re: VAX Ultrix bootstrap failure: cc: -o would overwrite libgcc/_mulsi3.o
- From: "John David Anglin" <dave at hiauly1 dot hia dot nrc dot ca>
- Date: Wed, 17 May 2000 19:01:26 -0400 (EDT)
- Cc: egcs-bugs at egcs dot cygnus dot com, gcc-patches at gcc dot gnu dot org
I just noticed that the patch to mklibgcc.in conflicts with Philippe De Muyter'spatch. The file libgcc1.c should be found in $(srcdir). However, -DL$name
also needs to be defined.
Dave
>
> > > I have been attempting to bootstrap gcc-2.96 under VAX Ultrix 4.3. The
> > > following problem occurs building libgcc:
> > >
> > > ...
> > > mkdir libgcc
> > > cc -DIN_LIBGCC1 -O -I. -I../../gcc -I../../gcc/config -I../../gcc/../include -c
> > > libgcc1.c -o libgcc/_mulsi3.o
> > > cc: -o would overwrite libgcc/_mulsi3.o
> > > make[3]: *** [libgcc/_mulsi3.o] Error 8
>
> I believe the following patch corrects the problem. Will somebody review it
> and install if ok?
>
> Dave
> --
> J. David Anglin dave.anglin@nrc.ca
> National Research Council of Canada (613) 990-0752 (FAX: 952-6605)
>
> 2000-05-17 J. David Anglin <dave@hiauly1.hia.nrc.ca>
>
> * configure.in Initialize NO_MINUS_C_MINUS_O if no -c and -o.
> * mklibgcc.in Add missing -DL$name when compiling modules in libgcc1.c.
> * configure (Rebuilt).
>
> --- configure.in.orig Wed May 17 14:55:10 2000
> +++ configure.in Wed May 17 15:24:06 2000
> @@ -322,6 +322,9 @@
> # Find the native compiler
> AC_PROG_CC
> AC_PROG_CC_C_O
> +if eval "test \"`echo '$ac_cv_prog_cc_'${ac_cc}_c_o`\" = no"; then
> + NO_MINUS_C_MINUS_O=yes
> +fi
> AC_SUBST(NO_MINUS_C_MINUS_O)
>
> gcc_AC_C_LONG_DOUBLE
> --- mklibgcc.in.orig Sun May 14 17:36:04 2000
> +++ mklibgcc.in Wed May 17 15:58:31 2000
> @@ -106,9 +106,9 @@
>
> echo $out: $libgcc1_c_dep
> if [ -z "@NO_MINUS_C_MINUS_O@" ]; then
> - echo " $oldcc_compile" $flags -c libgcc1.c -o $out
> + echo " $oldcc_compile" $flags -DL$name -c libgcc1.c -o $out
> else
> - echo " $oldcc_compile" $flags -c libgcc1.c
> + echo " $oldcc_compile" $flags -DL$name -c libgcc1.c
> echo " mv libgcc1${objext} $out"
> fi
>
>
--
J. David Anglin dave.anglin@nrc.ca
National Research Council of Canada (613) 990-0752 (FAX: 952-6605)