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Message-ID: <46DEFBAB.8070109 at wanadoo.fr>
Date: Wed, 05 Sep 2007 21:55:39 +0300
From: Arnold Guillaumot <arnold.guillaumot at snef.ro>
MIME-Version: 1.0
To: Dawid Toton <d0 at wp.pl>
Subject: Re: [Lablgtk] Compiling with Cygwin/MinGW
References: <fbi9an$nsc$1 at sea.gmane.org>
In-Reply-To: <fbi9an$nsc$1 at sea.gmane.org>
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Cc: lablgtk at math.nagoya-u.ac.jp
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Hi,

I succeeded in the past to build ocaml and lablgtk with MinGW/MSYS
(without Cygwin), together with ocamlmklib.
In the ocaml tree, change the following files:

1) ocamlmklib

The 'trick' is to copy the Makefile part of ocamlmklib in the Makefile.nt

edit tools/Makefile.nt and change the Line 26
     all: ocamldep ocamlprof ocamlcp.exe ocamlmktop.exe primreq
     in
     all: ocamldep ocamlprof ocamlcp.exe ocamlmktop.exe primreq
ocamlmklib.exe

append the following lines after the ocamlmktop part:

# To help building mixed-mode libraries (Caml + C)

ocamlmklib.exe: myocamlbuild_config.cmo ocamlmklib.cmo
    $(CAMLC) $(LINKFLAGS) -o ocamlmklib.exe myocamlbuild_config.cmo
ocamlmklib.cmo

ocamlmklib.cmo: myocamlbuild_config.cmi
myocamlbuild_config.ml: ../config/Makefile
    ../build/mkmyocamlbuild_config.sh
    cp ../myocamlbuild_config.ml .

install::
    cp ocamlmklib.exe $(BINDIR)/ocamlmklib.exe

clean::
    rm -f ocamlmklib.exe

ocamlmklib.ml: ocamlmklib.mlp ../config/Makefile
    echo '(* THIS FILE IS GENERATED FROM ocamlmklib.mlp *)' >ocamlmklib.ml
    sed -e "s|%%BINDIR%%|$(BINDIR)|" \
            -e
"s|%%SUPPORTS_SHARED_LIBRARIES%%|$(SUPPORTS_SHARED_LIBRARIES)|" \
            -e "s|%%MKSHAREDLIB%%|$(MKSHAREDLIB)|" \
            -e "s|%%BYTECCRPATH%%|$(BYTECCRPATH)|" \
            -e "s|%%NATIVECCRPATH%%|$(NATIVECCRPATH)|" \
            -e "s|%%MKSHAREDLIBRPATH%%|$(MKSHAREDLIBRPATH)|" \
            -e "s|%%RANLIB%%|$(RANLIB)|" \
          ocamlmklib.mlp >> ocamlmklib.ml

beforedepend:: ocamlmklib.ml

clean::
    rm -f ocamlmklib.ml


2) Windows limitations on command-line length
You would also need to change utils/ccomp.ml as follows to build ocaml
with MinGW/MSYS, because MinGW does not like @responsefile:

   let s =
     String.concat " "
       (List.map (fun f -> if f = "" then f else Filename.quote f) lst) in
-  if Sys.os_type = "Win32" && String.length s >= 256
-  then build_diversion lst
-  else s
+  s

I hope that can help you
The rest is in the README.win32 file.
regards,


Dawid Toton wrote:
> I'm trying to compile LablGTK (current version from SVN) on Cygwin +
> MinGW. But I have no ocamlmklib (it's only with pure Cygwin port).
> Do I have to write new makefile, which would mimic behaviour of
> ocamlmklib?
> Did anybody manage to compile LablGTK with MinGW tools?
> Is it possible to stole ocamlmklib from Cygwin port and force it to do
> things correctly?
>
> Dawid Toton
>
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