use CPPFLAGS at configure time

[Alexandre Oliva]

On Apr  4, 2003, Alexandre Oliva <aoliva@redhat.com> wrote:

> I'll just resort to using CFLAGS instead of CPPFLAGS, which is
> indeed the right thing to do, but will require me to assume that
> CFLAGS would be set to -g -O2 by AC_PROG_CC, if not previously set.
> I.e., I'd do:

> 		  CFLAGS=${CFLAGS-"-g -O2"}" -mabi=$mips_config_abi"

This is what this patch implements.  I thought I'd submitted it a long
time ago, but apparently I didn't.  Ok?

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-- 
Alexandre Oliva   Enjoy Guarana', see http://www.ic.unicamp.br/~oliva/
Red Hat GCC Developer                 aoliva@{redhat.com, gcc.gnu.org}
CS PhD student at IC-Unicamp        oliva@{lsd.ic.unicamp.br, gnu.org}
Free Software Evangelist                Professional serial bug killer