Re: [PATCH] add rm conftest.o in lib/autoconf/lang.m4

[Jeff Shimoda [Marbles504]]

> Hi Paul, I assumed we don't need to remove conftest.obj because it's
> not produced by most compilers when the "-o foo" option is used,
> although I suppose it can't hurt to remove it as well.  It also seems
> we can't use $ac_objext here because this macro AC_COMPILER_EXEEXT
> must be run before the macro AC_COMPILER_OBJEXT which defines
> $ac_objext, so I think we must simply hardcode conftest.o.

Just following up with this.  Any thoughts?  If you'd like I can open
up a bug in Savanna for this.

Thanks
-Jeff

On Wed, Jun 22, 2022 at 11:32 AM Jeff Shimoda [Marbles504]
<jshimoda@gmail.com> wrote:
>
> On Wed, Jun 22, 2022 at 1:11 AM Paul Eggert <eggert@cs.ucla.edu> wrote:
> > Don't you also need to remove conftest.obj? Or is it conftest.$ac_objext
> > and require _AC_COMPILER_OBJEXT? Or the latter may be a bridge too far.
>
> Hi Paul, I assumed we don't need to remove conftest.obj because it's
> not produced by most compilers when the "-o foo" option is used,
> although I suppose it can't hurt to remove it as well.  It also seems
> we can't use $ac_objext here because this macro AC_COMPILER_EXEEXT
> must be run before the macro AC_COMPILER_OBJEXT which defines
> $ac_objext, so I think we must simply hardcode conftest.o.