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# ARG_WITH_SUBST(option, default, help)
# -----------------------------------
# Create a --with-$1 option with helptext, AC_SUBST($1) to $withval/default
AC_DEFUN([ARG_WITH_SUBST],
[AC_ARG_WITH(
[$1],
AS_HELP_STRING([--with-$1=arg], [$3 (default: $2).]),
[AC_SUBST(patsubst([$1], [-], [_]), ["$withval"])],
[AC_SUBST(patsubst([$1], [-], [_]), ["$2"])]
)]
)
# ARG_WITH_SET(option, default, help)
# -----------------------------------
# Create a --with-$1 option with helptext, set a variable $1 to $withval/default
AC_DEFUN([ARG_WITH_SET],
[AC_ARG_WITH(
[$1],
AS_HELP_STRING([--with-$1=arg], [$3 (default: $2).]),
patsubst([$1], [-], [_])="$withval",
patsubst([$1], [-], [_])=$2
)]
)
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