m4/macros/with.m4

   1
   2 # ARG_WITH_SUBST(option, default, help)
   3 # -----------------------------------
   4 # Create a --with-$1 option with helptext, AC_SUBST($1) to $withval/default
   5 AC_DEFUN([ARG_WITH_SUBST],
   6         [AC_ARG_WITH(
   7                 [$1],
   8                 AS_HELP_STRING([--with-$1=arg], [$3 (default: $2).]),
   9                 [AC_SUBST(patsubst([$1], [-], [_]), ["$withval"])],
  10                 [AC_SUBST(patsubst([$1], [-], [_]), ["$2"])]
  11         )]
  12 )
  13
  14 # ARG_WITH_SET(option, default, help)
  15 # -----------------------------------
  16 # Create a --with-$1 option with helptext, set a variable $1 to $withval/default
  17 AC_DEFUN([ARG_WITH_SET],
  18         [AC_ARG_WITH(
  19                 [$1],
  20                 AS_HELP_STRING([--with-$1=arg], [$3 (default: $2).]),
  21                 patsubst([$1], [-], [_])="$withval",
  22                 patsubst([$1], [-], [_])=$2
  23         )]
  24 )