Index: build_tools/make_build_h
===================================================================
--- build_tools/make_build_h	(revision 11588)
+++ build_tools/make_build_h	(working copy)
@@ -3,7 +3,7 @@
 KERNEL=`uname -r`
 MACHINE=`uname -m`
 OS=`uname -s`
-USER=`whoami`
+USER=`who am i | cut -d' ' -f 1`  # Solaris doesn't have whoami
 DATE=`date -u "+%Y-%m-%d %H:%M:%S"`
 cat << END
 /*