Re: [PATCH] Use expr where possible

[Akim Demaille]

>>> "Paul" == Paul Eggert <address@hidden> writes:

 > +ac_save_IFS=$IFS; IFS='-'
 > +set x $ac_cv_$1
 > +shift
 > +IFS=$ac_save_IFS
 > +$1_cpu=$[1]
 > +$1_vendor=$[2]
 > +$1_os=$[3]
 > +
 > +case $[#] in
 > +0|1|2) ;;
 > +*)
 > +  shift; shift; shift
 > +  for ac_arg
 > +  do $1_os=$1_os-$ac_arg
 > +  done;;
 > +esac
 > +
 > +AC_SUBST([$1_cpu])dnl
 > +AC_SUBST([$1_vendor])dnl
 > +AC_SUBST([$1_os])dnl

AC_SUBST can be used this way:

 > +AC_SUBST([$1_cpu], $[1])
 > +AC_SUBST([$1_vendor], $[2])dnl
 > +AC_SUBST([$1_os], $[3])dnl