X-Git-Url: https://diplodocus.org/git/nmh/blobdiff_plain/2e08fdfc0ef872c968c2e42b7ee0ede42aee14aa..f1920d78123667716f2321d37ce37628603b2700:/m4/locking.m4

diff --git a/m4/locking.m4 b/m4/locking.m4
index b70f225f..e5b143b5 100644
--- a/m4/locking.m4
+++ b/m4/locking.m4
@@ -11,7 +11,7 @@ AC_DEFUN([NMH_LOCKING],
 AS_CASE(["$host_os"],
   [aix*|cygwin*|linux*],
     [default_locktype="fcntl"],
-  [freebsd*|openbsd*|darwin*], [default_locktype="flock"],
+  [freebsd*|*netbsd*|openbsd*|darwin*], [default_locktype="flock"],
   [default_locktype="dot"])
 
 AC_MSG_CHECKING([default locking method for the mail spool])
@@ -35,9 +35,17 @@ AS_CASE([$with_locking],
 
 AC_DEFINE_UNQUOTED([DEFAULT_LOCKING], ["$with_locking"],
   [The default lock type for the mail spool file])
+AC_SUBST([default_locking], [$with_locking])
 
 AC_MSG_RESULT([$with_locking])
 
+supported_locks="fcntl dot"
+AS_IF([test x"$ac_cv_func_flock" = x"yes"],
+  [supported_locks="$supported_locks flock"])
+AS_IF([test x"$ac_cv_func_lockf" = x"yes"],
+  [supported_locks="$supported_locks lockf"])
+AC_SUBST([supported_locks])
+
 dnl Should we use a locking directory?
 AC_ARG_ENABLE([lockdir],
   [AS_HELP_STRING([--enable-lockdir=dir], [Store dot-lock files in "dir"])], [