From 4f1def688947e5272574bd2123cfd77e695911fe Mon Sep 17 00:00:00 2001 From: Warner Losh Date: Sat, 20 Apr 2013 01:12:23 +0000 Subject: [PATCH] Add note about fagility of the clang upgrade process. --- UPDATING | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/UPDATING b/UPDATING index 9210394bcbc1..fd9b143e5d64 100644 --- a/UPDATING +++ b/UPDATING @@ -11,6 +11,11 @@ handbook: Items affecting the ports and packages system can be found in /usr/ports/UPDATING. Please read that file before running portupgrade. +NOTE: FreeBSD has switched from gcc to clang. If you have trouble bootstrapping +from older versions of FreeBSD, try WITHOUT_CLANG and WITHOUT_CLANG_IS_CC to +bootstrap to tip of head, and then rebuild without those options. The bootstrap +process from older version of current is a bit fragile. + NOTE TO PEOPLE WHO THINK THAT FreeBSD 10.x IS SLOW: FreeBSD 10.x has many debugging features turned on, in both the kernel and userland. These features attempt to detect incorrect use of