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Re: [Gcl-devel] GNU make bug

From: Camm Maguire
Subject: Re: [Gcl-devel] GNU make bug
Date: 15 Jun 2005 13:00:50 -0400
User-agent: Gnus/5.09 (Gnus v5.9.0) Emacs/21.2

Greetings, and thanks Vadim!  This is now committed.

You asked earlier about a 2.7.0 roadmap.  I'll try to put together a
comprehensive list soon, but obviously the top is ansi compliance.
I'm wondering if I can solicit you help in proposing some patches to
close some of our ansi test suite failures.  If so, do you have an
area with which you feel most comfortable?  I'd really appreciate
someone concentrating on the formatter/printer if possible.  The idea
of course is to preserve the spirit of the code in place.

Take care,

"Vadim V. Zhytnikov" <address@hidden> writes:

> Hi!
> Some time ago I wrote about GCL build
> problem with recent GNU make.  The trouble is
> due to some obscure make bug.  I'm not sure that
> this is important since troublesome make version is cvs
> beta but since bug is a bit hard to detect I decides to
> post it's description and workaround.  Maybe it will
> be useful to somebody.
> The problem manifests itself for GCL ANSI build for any
> GCL version.  The nasty thing about the problem is that
> formally GCL build seems to be perfectly OK - no any warnings
> or errors but resulting ANSI GCL image is broken.
> 1.  It does not display banner text upon start
> 2.  It segfaults on any lisp error, e.g. unbound
>      lisp variable
> The trouble is with makefile in clcs directory.
> It defines the following pattern rule for .o files:
> %.o: %.c %.h %.data
>       $(CC) $(CFLAGS) -c $< -o $@
>       ../xbin/append $*.data $@
> Troublesome make ignores it and uses default built-in
> rule for making .o from .c .h instead.  So formally
> target is built and makes is happy.  But .data files
> remain unappended to .o.
> This is clear make bug which is recognized by make
> developers (no fix yet).  Workaround is to replace target
> all: $(addsuffix .c,$(FILES)) $(addsuffix .o,$(FILES))
> by
> all: $(addsuffix .o,$(FILES))
> in clcs/makefile.  This modification seems to be
> safe since .c are intermediate temporary files
> and it makes our special rule for .o work
> once again.
> Best wishes,
> Vadim
> -- 
>       Vadim V. Zhytnikov
>        <address@hidden>
>       <address@hidden>
> _______________________________________________
> Gcl-devel mailing list
> address@hidden
> http://lists.gnu.org/mailman/listinfo/gcl-devel

Camm Maguire                                            address@hidden
"The earth is but one country, and mankind its citizens."  --  Baha'u'llah

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