X-Git-Url: http://git.chise.org/gitweb/?a=blobdiff_plain;f=configure.usage;h=4dce260d618a8a91337e38b49a0ebdd90d4ebeb2;hb=26bca51575368600d34ea6dcc8cf190488584e8d;hp=2b1e1a80ac6d848cbba0f3d7b5754fceb8a48da4;hpb=87a78812f83f1a2cee5c5e390a2e6b2d6eca871d;p=chise%2Fxemacs-chise.git-

diff --git a/configure.usage b/configure.usage
index 2b1e1a8..4dce260 100644
--- a/configure.usage
+++ b/configure.usage
@@ -252,7 +252,9 @@ Debugging options:
                         `byte-code', `extents', `gc', `glyphs', `malloc', and
                         `typecheck'.  The default value is `none'.
 --use-union-type        (Bool) Define Lisp_Object as a union, not an int.
-                        Provides stricter type-checking.  System-dependent.
+                        Use for strict _static_ type-checking.  Implicated in
+                        system-dependent, hard-to-debug crashes.  See PROBLEMS.
+                        Do NOT use in production builds.
 --no-doc-file           (Bool) Don't rebuild the DOC file unless it's missing.
                         Only use during development.
 --quick-build           (Bool) Don't GC when dumping.  Implies `--no-doc-file'.