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Re: [RFA]: Top-level configure patch to build Cygwin native newlib


On Wed, 16 Jun 2004, Corinna Vinschen wrote:

> On Jun 16 12:23, jjohnstn wrote:
> > Hi Corinna,
> > 
> >   I have no problem with the patch, but would it be possible to add 
> > to the patch to issue a warning message to the user to tell them that 
> > winsup is missing?
> 
> No, that shouldn't be a problem.  In that case the
> 
>   test -d winsup && skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
> 
> would become a
> 
>   if test -d winsup
>   then
>     skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
>   else
>     echo "Warning: winsup is missing so newlib can't be build."
>   fi
>

Thanks, just change "build" to "built".
  
> 
> If that's fine with everyone...
> 
> Erm... btw., should I Cc the gcc-patches list, perhaps?
>

It would be a good idea.  IIRC, most of the top-level files are 
copied by sources from gcc.  Did I get that correct, Chris?
 
> 
> Corinna
> 
> 
> 
> > 
> > -- Jeff J.
> > 
> > On Wed, 16 Jun 2004, Corinna Vinschen wrote:
> > 
> > > Hi,
> > > 
> > > perhaps I could just apply the patch but I would like to ask people first
> > > if there something is in the way of applying the below patch.
> > > 
> > > The idea is the following:  If you have a source tree containing the newlib
> > > subdir but the source tree does not contain the winsup subdir, then it's
> > > impossible to build a native Cygwin newlib.  The reason is, that building a
> > > Cygwin native newlib requires a bunch of header files from the winsup/cygwin
> > > directory.  If the winsup directory is missing, the build will break when
> > > trying to build newlib.
> > > 
> > > For that reason, the below patch to configure.in checks if the winsup
> > > directory is available and removes newlib from the target_configdirs
> > > if winsup is missing.
> > > 
> > > Is that ok to apply?
> > > 
> > > 
> > > Corinna
> > > 
> > > 
> > > 	* configure.in: Don't build Cygwin native newlib if winsup
> > > 	directory is missing.
> > > 	* configure: Regenerate.
> > > 
> > > 
> > > Index: configure.in
> > > ===================================================================
> > > RCS file: /cvs/cvsfiles/gnupro/configure.in,v
> > > retrieving revision 1.32
> > > diff -p -u -r1.32 configure.in
> > > --- configure.in        9 Jun 2004 17:31:01 -0000       1.32
> > > +++ configure.in        16 Jun 2004 15:19:40 -0000
> > > @@ -548,8 +548,8 @@ case "${target}" in
> > >    *-*-cygwin*)
> > >      target_configdirs="$target_configdirs target-libtermcap target-winsup"
> > >      noconfigdirs="$noconfigdirs target-gperf target-libgloss ${libgcj}"
> > > -    # always build newlib.
> > > -    skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
> > > +    # always build newlib if winsup directory is present.
> > > +    test -d winsup && skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
> > >  
> > >      # Can't build gdb for Cygwin if not native.
> > >      case "${host}" in
> > > 
> > > 
> > > 
> 
> 


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