Re: GCC dependencies (attn David Billinghurst)

[Corinna Vinschen <corinna-cygwin at cygwin dot com>]

On Aug 14 23:03, Yaakov (Cygwin/X) wrote:
> On Sun, 2011-08-14 at 14:29 -0500, Yaakov (Cygwin/X) wrote:
> > On Sat, 2011-08-13 at 16:11 +0200, Corinna Vinschen wrote:
> > > > BTW, for those interested, I'm already working on updating the Fedora
> > > > Cygwin toolchain to match the recent binutils/gdb releases and add the
> > > > --large-address-aware patch, along with restoring cygwin-gcc-java for
> > > > F15.
> > 
> > FYI, this has been pushed to the servers now.
> > 
> > > There's a small glitch in the cross toolchain:
> > > 
> > >   $ i686-pc-cygwin-gcc foo.c -o foo
> > >   $ ls foo*
> > >   foo  foo.c
> > 
> > Confirmed, and now I see that the same happens with Fedora's
> > mingw32-gcc.
> > 
> > > Since foo is a Cygwin executable, shouldn't gcc append .exe?
> > 
> > This would make sense.  Since mingw32-gcc does the same thing, I'll
> > guess that the .exe magic was only implemented for a native compiler.
> > 
> > Looking at the code, the .exe handling is added in gcc/gcc.c.  There are
> > two macros: HOST_EXECUTABLE_SUFFIX (which adds .exe to the commands it
> > calls (cc1/as/collect2/ld), and TARGET_EXECUTABLE_SUFFIX, which is used
> > only for and in convert_filename() to change the output filename.  But
> > the latter is only used if:
> > 
> > /* By default there is no special suffix for target executables.  */
> > /* FIXME: when autoconf is fixed, remove the host check - dj */
> > #if defined(TARGET_EXECUTABLE_SUFFIX) && defined(HOST_EXECUTABLE_SUFFIX)
> > #define HAVE_TARGET_EXECUTABLE_SUFFIX
> > #endif
> > 
> > I may be new to the GCC code, but that just looks bogus.  On Linux,
> > HOST_EXECUTABLE_SUFFIX is obviously empty, but why should that control
> > HAVE_TARGET_EXECUTABLE_SUFFIX?
> > 
> > I've made a patch to change that, and am rebuilding cygwin-gcc with that
> > now.  If it works (and I don't see why it won't), I'll go ahead and
> > respin releases with the patch.
> 
> cygwin-gcc 4.5.3-4 is now available for both releases on both arches.  I
> still need to test my patch (for trunk, attached) in other
> configurations, but AFAICS it fixes the issue you reported.

WJFFM, thank you!


Corinna

-- 
Corinna Vinschen                  Please, send mails regarding Cygwin to
Cygwin Project Co-Leader          cygwin AT cygwin DOT com
Red Hat