Building PCRE-OCaml on Win32

Building PCRE-OCaml on Win32

[Roger Levy]

I'm having difficulty installing PCRE-OCaml in my Cygwin OCaml 
installation.  I have the packages OCaml 3.08.1-1, libpcre 6.3-1, and 
pcre 6.3-1 all from a default recent Cygwin installation, so it seems to 
me that I should be able to install PCRE-OCaml (I'm getting the most 
recent version, 5.10.1) straight away.  Here is what I get, though:

=====

/tmp/pcre-ocaml-5.10.1 $ make
[everything succeeds, though there is one warning:
pcre_stubs.c:1: warning: -fPIC ignored for target (all code is position 
independent)
]

/tmp/pcre-ocaml-5.10.1 $ make install
make[1]: Entering directory `/tmp/pcre-ocaml-5.10.1/lib'

Installing library with ocamlfind
ocamlfind install  pcre META pcre.mli pcre.cmi pcre.cma pcre.cmxa pcre.a 
libpcre_stubs.a dllpcre_stubs.so
ocamlfind: Package pcre is already installed; please remove it first - 
(directory /usr/lib/ocaml/site-lib/pcre already exists)
make[1]: *** [libinstall] Error 2
make[1]: Leaving directory `/tmp/pcre-ocaml-5.10.1/lib'
make: *** [install] Error 2

=====

If I try to uninstall, however, I get the following problem:

=====

/tmp/pcre-ocaml-5.10.1 $ make uninstall
make[1]: Entering directory `/tmp/pcre-ocaml-5.10.1/lib'

Uninstalling library with ocamlfind
ocamlfind remove  pcre
ocamlfind: Package `pcre' not found
make[1]: *** [libuninstall] Error 2
make[1]: Leaving directory `/tmp/pcre-ocaml-5.10.1/lib'
make: *** [uninstall] Error 2

=====

Now, the directory /usr/lib/ocaml/site-lib/pcre is actually empty; if I 
delete it and try to install, the following happens:

=====

$ make install
make[1]: Entering directory `/tmp/pcre-ocaml-5.10.1/lib'

Installing library with ocamlfind
ocamlfind install  pcre META pcre.mli pcre.cmi pcre.cma pcre.cmxa pcre.a 
libpcre_stubs.a dllpcre_stubs.so
ocamlfind: dllpcre_stubs.so: No such file or directory
make[1]: *** [libinstall] Error 2
make[1]: Leaving directory `/tmp/pcre-ocaml-5.10.1/lib'
make: *** [install] Error 2

=====

Any suggestions? I really hate using the str library for regular 
expressions, since it has global state.

I notice that Brian Donovan asked the same thing (though he was trying 
to install it using the MSVC and Win32 makefiles, both of which failed) 
about 18 months ago, and didn't seem to get a satisfactory reply!

http://caml.inria.fr/pub/ml-archives/caml-list/2004/05/55a1a6ea9c641248fdc4da86e52f58b9.en.html

Many thanks in advance for any help!

Best,

Roger

Re: [Caml-list] Building PCRE-OCaml on Win32

[Gerd Stolpmann]

Also look into /usr/lib/ocaml/site-lib/stublibs and delete the
PCRE-related DLL files.

Gerd

Am Donnerstag, den 27.10.2005, 20:54 +0100 schrieb Roger Levy:
> I'm having difficulty installing PCRE-OCaml in my Cygwin OCaml 
> installation.  I have the packages OCaml 3.08.1-1, libpcre 6.3-1, and 
> pcre 6.3-1 all from a default recent Cygwin installation, so it seems to 
> me that I should be able to install PCRE-OCaml (I'm getting the most 
> recent version, 5.10.1) straight away.  Here is what I get, though:
> 
> =====
> 
> /tmp/pcre-ocaml-5.10.1 $ make
> [everything succeeds, though there is one warning:
> pcre_stubs.c:1: warning: -fPIC ignored for target (all code is position 
> independent)
> ]
> 
> /tmp/pcre-ocaml-5.10.1 $ make install
> make[1]: Entering directory `/tmp/pcre-ocaml-5.10.1/lib'
> 
> Installing library with ocamlfind
> ocamlfind install  pcre META pcre.mli pcre.cmi pcre.cma pcre.cmxa pcre.a 
> libpcre_stubs.a dllpcre_stubs.so
> ocamlfind: Package pcre is already installed; please remove it first - 
> (directory /usr/lib/ocaml/site-lib/pcre already exists)
> make[1]: *** [libinstall] Error 2
> make[1]: Leaving directory `/tmp/pcre-ocaml-5.10.1/lib'
> make: *** [install] Error 2
> 
> =====
> 
> If I try to uninstall, however, I get the following problem:
> 
> =====
> 
> /tmp/pcre-ocaml-5.10.1 $ make uninstall
> make[1]: Entering directory `/tmp/pcre-ocaml-5.10.1/lib'
> 
> Uninstalling library with ocamlfind
> ocamlfind remove  pcre
> ocamlfind: Package `pcre' not found
> make[1]: *** [libuninstall] Error 2
> make[1]: Leaving directory `/tmp/pcre-ocaml-5.10.1/lib'
> make: *** [uninstall] Error 2
> 
> =====
> 
> Now, the directory /usr/lib/ocaml/site-lib/pcre is actually empty; if I 
> delete it and try to install, the following happens:
> 
> =====
> 
> $ make install
> make[1]: Entering directory `/tmp/pcre-ocaml-5.10.1/lib'
> 
> Installing library with ocamlfind
> ocamlfind install  pcre META pcre.mli pcre.cmi pcre.cma pcre.cmxa pcre.a 
> libpcre_stubs.a dllpcre_stubs.so
> ocamlfind: dllpcre_stubs.so: No such file or directory
> make[1]: *** [libinstall] Error 2
> make[1]: Leaving directory `/tmp/pcre-ocaml-5.10.1/lib'
> make: *** [install] Error 2
> 
> =====
> 
> Any suggestions? I really hate using the str library for regular 
> expressions, since it has global state.
> 
> I notice that Brian Donovan asked the same thing (though he was trying 
> to install it using the MSVC and Win32 makefiles, both of which failed) 
> about 18 months ago, and didn't seem to get a satisfactory reply!
> 
> http://caml.inria.fr/pub/ml-archives/caml-list/2004/05/55a1a6ea9c641248fdc4da86e52f58b9.en.html
> 
> Many thanks in advance for any help!
> 
> Best,
> 
> Roger
> 
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-- 
------------------------------------------------------------
Gerd Stolpmann * Viktoriastr. 45 * 64293 Darmstadt * Germany 
gerd@gerd-stolpmann.de          http://www.gerd-stolpmann.de
Telefon: 06151/153855                  Telefax: 06151/997714
------------------------------------------------------------

Re: [Caml-list] Building PCRE-OCaml on Win32

[Roger Levy]

Gerd Stolpmann wrote:
> Also look into /usr/lib/ocaml/site-lib/stublibs and delete the
> PCRE-related DLL files.

Hmm...I don't even have a /usr/lib/ocaml/site-lib/stublibs directory!

Do you mean /usr/lib/ocaml/stublibs?  That directory is empty; removing 
it doesn't change the error messages that I get with make install.

Thanks though...

Roger

Re: [Caml-list] Building PCRE-OCaml on Win32

[Peter Jolly]

Roger Levy wrote:
> Installing library with ocamlfind
> ocamlfind install  pcre META pcre.mli pcre.cmi pcre.cma pcre.cmxa pcre.a 
> libpcre_stubs.a dllpcre_stubs.so
> ocamlfind: dllpcre_stubs.so: No such file or directory

This is your problem.  It is attempting to install a .so file, which
_cannot_ exist, since (a) Cygwin uses .dll for shared libraries rather
than .so, and (b) the Cygwin port of OCaml does not support shared
libraries in any case.

Rebuild PCRE for static linking only, and it should install happily.

Re: [Caml-list] Building PCRE-OCaml on Win32

[Roger Levy]

Peter Jolly wrote:
> Roger Levy wrote:
> 
>>Installing library with ocamlfind
>>ocamlfind install  pcre META pcre.mli pcre.cmi pcre.cma pcre.cmxa pcre.a 
>>libpcre_stubs.a dllpcre_stubs.so
>>ocamlfind: dllpcre_stubs.so: No such file or directory
> 
> 
> This is your problem.  It is attempting to install a .so file, which
> _cannot_ exist, since (a) Cygwin uses .dll for shared libraries rather
> than .so, and (b) the Cygwin port of OCaml does not support shared
> libraries in any case.
> 
> Rebuild PCRE for static linking only, and it should install happily.

Thank you!  This worked.  (FWIW: I did this by uncommenting the line

export STATIC = yes

in the top-level Makefile.conf)

I don't understand how to refer to the pcre module with ocamlc or the
toplevel, but I suspect this is more of a newbie question so I'm moving
it into the caml-beginnners list.

Many thanks.

Roger

Re: [Caml-list] Building PCRE-OCaml on Win32

[Igor Pechtchanski]

On Thu, 27 Oct 2005, Peter Jolly wrote:

> Roger Levy wrote:
> > Installing library with ocamlfind
> > ocamlfind install  pcre META pcre.mli pcre.cmi pcre.cma pcre.cmxa pcre.a
> > libpcre_stubs.a dllpcre_stubs.so
> > ocamlfind: dllpcre_stubs.so: No such file or directory
>
> This is your problem.  It is attempting to install a .so file, which
> _cannot_ exist, since (a) Cygwin uses .dll for shared libraries rather
> than .so, and (b) the Cygwin port of OCaml does not support shared
> libraries in any case.
>
> Rebuild PCRE for static linking only, and it should install happily.

FWIW, the experimental 3.08.1-2 version of ocaml on Cygwin does support
shared libraries (at least to the extent of allowing loading them from the
top-level).  I'm slowly working towards adding full shared library support
so that all tools do the right thing when building packages.

Igor Pechtchanski
Volunteer O'Caml maintainer for Cygwin
-- 
				http://cs.nyu.edu/~pechtcha/
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