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Date: Wed, 09 Dec 2009 11:08:43 -0500
From: Ken Brown <kbrown AT cornell DOT edu>
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Subject: Re: Need help building emacs with system malloc
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On 12/9/2009 10:52 AM, Ken Brown wrote:
> Emacs by default uses its own malloc, but the emacs developers have 
> suggested that I try to build it so that it uses Cygwin's malloc.  (See 
> http://lists.gnu.org/archive/html/emacs-devel/2009-12/threads.html#00369 
> for the context if you're curious.)  When I try to do this, the build 
> fails as follows:
> 
> gcc    -o temacs ecrt0.o dispnew.o frame.o scroll.o xdisp.o menu.o 
> window.o charset.o coding.o category.o ccl.o character.o chartab.o cm.o 
> term.o terminal.o xfaces.o    emacs.o keyboard.o macros.o keymap.o 
> sysdep.o buffer.o filelock.o insdel.o marker.o minibuf.o fileio.o 
> dired.o filemode.o cmds.o casetab.o casefiddle.o indent.o search.o 
> regex.o undo.o alloc.o data.o doc.o editfns.o callint.o eval.o 
> floatfns.o fns.o font.o print.o lread.o syntax.o unexcw.o bytecode.o 
> process.o callproc.o region-cache.o sound.o atimer.o doprnt.o strftime.o 
> intervals.o textprop.o composite.o md5.o   sheap.o  terminfo.o 
> lastfile.o vm-limit.o  getloadavg.o       -lcurses -lg   `gcc 
> -print-libgcc-file-name` -lm -lc `gcc -print-libgcc-file-name`
> vm-limit.o:vm-limit.c:(.text+0x17): undefined reference to 
> `___after_morecore_hook'
> vm-limit.o:vm-limit.c:(.text+0x6c): undefined reference to `___morecore'
> 
> Is this one of those situations where the libraries are listed in the 
> wrong order in the gcc command?  Or is there something else going on? 
> I'm attaching my .cygport and .src.patch files in case it's more subtle 
> and someone else wants to give it a try.

There's no need to answer right away unless the problem is obvious.  I 
think something is going wrong in the configuration so that Cygwin's 
malloc.h never gets included.

Ken

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