Mesa (master): docs: document the GALLIUM_LOG_FILE env var

[Brian Paul]

Module: Mesa
Branch: master
Commit: 75e62024c32b6a670da767536b756e2247d1880c
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=75e62024c32b6a670da767536b756e2247d1880c

Author: Brian Paul <brianp at vmware.com>
Date:   Mon Jun 25 11:44:44 2012 -0600

docs: document the GALLIUM_LOG_FILE env var

---

 docs/envvars.html |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)

diff --git a/docs/envvars.html b/docs/envvars.html
index 102ea28..89f7173 100644
--- a/docs/envvars.html
+++ b/docs/envvars.html
@@ -121,6 +121,8 @@ Mesa EGL supports different sets of environment variables.  See the
 <h2>Gallium environment variables</h2>
 
 <ul>
+<li>GALLIUM_LOG_FILE - specifies a file for logging all errors, warnings, etc.
+    rather than stderr.
 <li>GALLIUM_PRINT_OPTIONS - if non-zero, print all the Gallium environment
     variables which are used, and their current values.
 <li>GALLIUM_NOSSE - if non-zero, do not use SSE runtime code generation for