diff --git a/ChangeLog b/ChangeLog
index ba126252..037fa5ba 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+2005-04-01  Mike Stump  <mrs@apple.com>
+
+	* m4/libtool.m4 (LT_CMD_MAX_LEN) [ netbsd, freebsd, openbsd,
+	darwin, dragonfly]: Use 3/4 of argmax, instead of 1/4.
+
 2005-03-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
 
 	* m4/libtool.m4 (_LT_LANG_GCJ_CONFIG, _LT_LANG_RC_CONFIG):
diff --git a/m4/libtool.m4 b/m4/libtool.m4
index cb13e9a6..6c322b0b 100644
--- a/m4/libtool.m4
+++ b/m4/libtool.m4
@@ -1167,6 +1167,7 @@ AC_CACHE_VAL([lt_cv_sys_max_cmd_len], [dnl
     fi
     # And add a safety zone
     lt_cv_sys_max_cmd_len=`expr $lt_cv_sys_max_cmd_len \/ 4`
+    lt_cv_sys_max_cmd_len=`expr $lt_cv_sys_max_cmd_len \* 3`
     ;;
   osf*)
     # Dr. Hans Ekkehard Plesser reports seeing a kernel panic running configure