From mboxrd@z Thu Jan  1 00:00:00 1970
From: Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
Subject: Re: sparse (cgcc) vs lintool
Date: Fri, 6 Jun 2008 14:49:55 +0200
Message-ID: <20080606124955.GE600@ins.uni-bonn.de>
References: <20080606123434.GA23323@lst.de>
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To: Christoph Hellwig <hch@lst.de>
Cc: linux-sparse@vger.kernel.org

Hello Christoph,

* Christoph Hellwig wrote on Fri, Jun 06, 2008 at 02:34:34PM CEST:
> 
> /usr/bin/libtool --mode=compile /home/hch/bin/cgcc -I. -g -O2 -DNDEBUG
> -DVERSION=\"2.9.8\" -DLOCALEDIR=\"/usr/local/share/locale\"
> -DPACKAGE=\"xfsprogs\" -I../include -D_GNU_SOURCE -D_FILE_OFFSET_BITS=64
> -funsigned-char -fno-strict-aliasing -Wall   -c bit.c
> libtool: compile: unable to infer tagged configuration
> libtool: compile: specify a tag with `--tag'
> make[1]: *** [bit.lo] Error 1
> make: *** [default] Error 2
> 
> Any idea what's up with sparse and libtool?

If --tag=CC is not passed to libtool before /home/hch/bin/cgcc, then it
tries to infer the set of compiler settings to use (CC, CXX, F77, ...)
from the compiler name passed.

I don't know the sources in question, but typically you can append
--tag=CC to some $(LIBTOOL) variable or set $(LIBTOOLFLAGS) or so.

Hope that helps.

Cheers,
Ralf