On Wed, Dec 09, 2009 at 10:52:02AM -0500, 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.
No, it's one of those situations where cygwin doesn't provide something that linux does. It's possible that you may be able to work around the problem by using a -D__morecore=sbrk (or maybe one more underscore is needed) on the compile line for vm-limit.c. cgf -- Problem reports: http://cygwin.com/problems.html FAQ: http://cygwin.com/faq/ Documentation: http://cygwin.com/docs.html Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple
