[Caml-list] problems linking with ocamlopt 4.00.1

Corinna Vinschen corinna-cygwin@cygwin.com
Tue Jun 11 15:28:00 GMT 2013

On Jun 11 17:18, Damien Doligez wrote:
> Hi,
> On 2013-06-09, at 17:49, Per Larsson wrote:
> > I get the following error message when trying to link with the native compiler:
> > 
> > ocamlopt -o mlok2hll-1 -warn-error +A -annot str.cmxa util.cmx error.cmx id.cmx mlok.cmx parse.cmx lex.cmx hll.cmx compile.cmx main.cmx
> > ** Cannot resolve symbols for /usr/lib/ocaml/libasmrun.a(freelist.o):
> > ___chkstk_ms
> > ** Cannot resolve symbols for /usr/lib/ocaml/libasmrun.a(md5.o):
> > ___chkstk_ms
> > ** Cannot resolve symbols for /usr/lib/ocaml/libasmrun.a(sys.o):
> > ___chkstk_ms
> > File "caml_startup", line 1:
> > Error: Error during linking
> > 
> > There is nothing special with the inputs above, I get the same error with other tested ocaml projects. I've used the ocaml package from the cygwin package loader. Maybe I'm doing something wrong? Is there some new library with must be loaded from version 4.0
> This ___chkstk_ms business is inserted by gcc and should be part of the C runtime library. Which version of gcc do you have? On cygwin, OCaml needs gcc version 4.7.2 because of an unknown problem with the gcc-4.5.3-3 package.

Ouch!  As long as gcc 4.7.2 is not the defualt compiler, that's kind
of borderline since you force people to install the test release of gcc.

Granted, it's time we get a 4.7 or 4.8 based gcc ASAP...


Corinna Vinschen                  Please, send mails regarding Cygwin to
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