* Require Perl 5.8.0 or newer. I mean, it *is* more than four years

old...
This commit is contained in:
Eelco Dolstra 2006-10-19 19:20:18 +00:00
parent 7a4497d98c
commit 1d694eef4c

View file

@ -123,6 +123,14 @@ NEED_PROG(perl, perl)
NEED_PROG(tar, tar) NEED_PROG(tar, tar)
AC_PATH_PROG(dot, dot) AC_PATH_PROG(dot, dot)
# Test that Perl has the open/fork feature (Perl 5.8.0 and beyond).
AC_MSG_CHECKING([whether Perl is recent enough])
if ! $perl -e 'open(FOO, "-|", "true"); while (<FOO>) { print; }; close FOO or die;'; then
AC_MSG_RESULT(no)
AC_MSG_ERROR([Your Perl version is too old. Nix requires Perl 5.8.0 or newer.])
fi
AC_MSG_RESULT(yes)
NEED_PROG(cat, cat) NEED_PROG(cat, cat)
AC_ARG_WITH(coreutils-bin, AC_HELP_STRING([--with-coreutils-bin=PATH], AC_ARG_WITH(coreutils-bin, AC_HELP_STRING([--with-coreutils-bin=PATH],
[path of cat, mkdir, etc.]), [path of cat, mkdir, etc.]),