PATCH: Use libm_machine_dir in libm/configure

[J. Johnston]

Patch checked in, thanks.  I regenerated configure and Makefile.in
after applying the configure.in change.

-- Jeff J.

Ian Lance Taylor wrote:
> newlib/configure.host sets libm_machine_dir for processors which have
> code in libm/machine (currently just i386).  However, libm/configure
> checks the generic machine_dir, rather than libm_machine_dir.  The
> effect is that LIBM_MACHINE_LIB in libm/Makefile gets set even if
> there is no machine specific libm, this gets into SUBLIBS, and thus
> this loop building libm.a in libm/Makefile applies to machine/lib.a
> even if that file does not exist.
> 
> 	cd tmp; \
> 	  for i in $(SUBLIBS); do \
> 	    $(AR) x ../$$i; \
> 	done; \
> 
> The ar fails, which introduces a meaningless but odd error message
> into the log, and also breaks the build when running with sh -e.
> 
> The patch is fairly obvious.  I tested this for i386-elf and
> xscale-elf.
> 
> I'm not on the newlib list, so please CC me on any replies.  Thanks.
> 
> Ian
> 
> 
> 2003-09-28  Ian Lance Taylor  <ian@wasabisystems.com>
> 
> 	* libm/configure.in: Check libm_machine_dir, not machine_dir.
> 	* libm/configure: Regenerate.
> 
> 
> Index: libm/configure.in
> ===================================================================
> RCS file: /cvs/src/src/newlib/libm/configure.in,v
> retrieving revision 1.2
> diff -u -r1.2 configure.in
> --- libm/configure.in	13 Dec 2001 23:50:10 -0000	1.2
> +++ libm/configure.in	29 Sep 2003 02:30:19 -0000
> @@ -28,10 +28,10 @@
>  fi
>  
>  LIBM_MACHINE_LIB=
> -if test -n "${machine_dir}"; then
> +if test -n "${libm_machine_dir}"; then
>    AC_CONFIG_SUBDIRS(machine)
>    if test "${use_libtool}" = "yes"; then
> -    LIBM_MACHINE_LIB=machine/${machine_dir}/lib${machine_dir}.${aext}
> +    LIBM_MACHINE_LIB=machine/${libm_machine_dir}/lib${libm_machine_dir}.${aext}
>    else
>      LIBM_MACHINE_LIB=machine/lib.${aext}
>    fi
> Index: libm/configure
> ===================================================================
> RCS file: /cvs/src/src/newlib/libm/configure,v
> retrieving revision 1.13
> diff -u -r1.13 configure
> --- libm/configure	8 Feb 2003 04:30:22 -0000	1.13
> +++ libm/configure	29 Sep 2003 02:30:19 -0000
> @@ -3021,11 +3021,11 @@
>  fi
>  
>  LIBM_MACHINE_LIB=
> -if test -n "${machine_dir}"; then
> +if test -n "${libm_machine_dir}"; then
>    subdirs="machine"
>  
>    if test "${use_libtool}" = "yes"; then
> -    LIBM_MACHINE_LIB=machine/${machine_dir}/lib${machine_dir}.${aext}
> +    LIBM_MACHINE_LIB=machine/${libm_machine_dir}/lib${libm_machine_dir}.${aext}
>    else
>      LIBM_MACHINE_LIB=machine/lib.${aext}
>    fi