NVIDIA's glx.h file uses glx_h as the header barrier. This causes issues like http://crbug.com/41039 if the NVIDIA drivers have been installed.
Proposed change is to add
around line 15 of glew/auto/src/glxew_head.h
--- auto/src/glew_head.h (revision 595)
+++ auto/src/glew_head.h (working copy)
@@ -119,7 +119,12 @@
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Fixed in svn as of revision 596.
Resolved in GLEW 1.5.4 release.
Thanks for the report.