昨日までご機嫌の良かったdoctorさんが、今日（2014.9.26）になって突然次のWarningを吐き出した．
Warning: Unbrewed header files were found in /usr/local/include.
If you didn't put them there on purpose they could cause problems when
building Homebrew formulae, and may need to be deleted.
Unexpected header files:
/usr/local/include/aspell.h
/usr/local/include/fakemysql.h
/usr/local/include/fakepq.h
/usr/local/include/fakesql.h
/usr/local/include/itcl.h
/usr/local/include/itcl2TclOO.h
/usr/local/include/itclDecls.h
/usr/local/include/itclInt.h
/usr/local/include/itclIntDecls.h
/usr/local/include/itclMigrate2TclCore.h
/usr/local/include/itclTclIntStubsFcn.h
/usr/local/include/mysqlStubs.h
/usr/local/include/odbcStubs.h
/usr/local/include/osxfuse/fuse/fuse.h
/usr/local/include/osxfuse/fuse/fuse_common.h
/usr/local/include/osxfuse/fuse/fuse_common_compat.h
/usr/local/include/osxfuse/fuse/fuse_compat.h
/usr/local/include/osxfuse/fuse/fuse_darwin.h
/usr/local/include/osxfuse/fuse/fuse_lowlevel.h
/usr/local/include/osxfuse/fuse/fuse_lowlevel_compat.h
/usr/local/include/osxfuse/fuse/fuse_opt.h
/usr/local/include/pqStubs.h
/usr/local/include/pspell/pspell.h
/usr/local/include/tcl.h
/usr/local/include/tclDecls.h
/usr/local/include/tclOO.h
/usr/local/include/tclOODecls.h
/usr/local/include/tclPlatDecls.h
/usr/local/include/tclThread.h
/usr/local/include/tclTomMath.h
/usr/local/include/tclTomMathDecls.h
/usr/local/include/tdbc.h
/usr/local/include/tdbcDecls.h
/usr/local/include/tdbcInt.h
/usr/local/include/tk.h
/usr/local/include/tkDecls.h
/usr/local/include/tkPlatDecls.h
調べてみると、https://github.com/Homebrew/homebrew/issues/32655 に同じWarningが．どうやら昨日追加されたチェック項目だそうなので、ほんとに困るまでは無視 or 適当に引っこ抜いておくでよさそう．