-dnl What method of locking to use?
-AS_CASE(["$host_os"],
- [aix*|cygwin*|linux*],
- [default_locktype="fcntl"; default_locking=FCNTL_LOCKING],
- [freebsd*|openbsd*|darwin*], [default_locktype="flock"; default_locking=FLOCK_LOCKING],
- [default_locktype="dot"; default_locking=DOT_LOCKING])
-
-AC_ARG_WITH([locking],
- AS_HELP_STRING([--with-locking=@<:@dot|fcntl|flock|lockf@:>@],
- [specify the file locking method]))
-
-AS_IF([test x"$with_locking" = x"dot"],
- [LOCKTYPE="dot"
- AC_DEFINE([DOT_LOCKING], [1], [Define to use dot based file locking.])],
- [test x"$with_locking" = x"flock"],
- [LOCKTYPE="flock"
- AC_DEFINE([FLOCK_LOCKING], [1], [Define to use flock() based locking.])],
- [test x"$with_locking" = x"lockf"],
- [LOCKTYPE="lockf"
- AC_DEFINE([LOCKF_LOCKING], [1], [Define to use lockf() based locking.])],
- [test x"$with_locking" = x"fcntl"],
- [LOCKTYPE="fcntl"
- AC_DEFINE([FCNTL_LOCKING], [1], [Define to use fnctl() based locking.])],
- [LOCKTYPE="$default_locktype"
- AC_DEFINE_UNQUOTED([$default_locking], [1])])
-
-dnl Should we use a locking directory?
-AC_ARG_ENABLE([lockdir],
- [AS_HELP_STRING([--enable-lockdir=dir], [Store dot-lock files in "dir"])], [
- AS_IF([test "x$enableval" = xyes],[
- AC_MSG_ERROR([--enable-lockdir requires an argument])])
- AS_IF([test "x$LOCKTYPE" != xdot],[
- AC_MSG_ERROR([Can only use --enable-lockdir with dot locking])])
- AC_DEFINE_UNQUOTED([LOCKDIR], ["$enableval"],
- [Directory to store dot-locking lock files])
-])
-