Re: [xml] Patches for Win32/MSCC build

["Nilo S. Mismetti" <nilo newpos com>]

Hi there,

The process to implement the Win32 DLL linkage is correct but the generated
DLL cannot be used by other compilers (like the Borland C++ Builder).

The reason is that all functions are exported according the MS name
convention.

One solution could be the usage of the  APIENTRY macro like the example:

BOOL APIENTRY xmlWriteDoc(xmlDocPtr doc,LPSTR FileName,int CompressLevel);

Comments?

Nilo

----- Original Message -----
From: "Igor Zlatkovic" <izlatkovic daenet de>
To: <xml gnome org>
Sent: sábado, 14 de abril de 2001 13:00
Subject: [xml] Patches for Win32/MSCC build


> Hi there.
>
> Here are few things regarding the Win32/MSCC build of libxml2. The patches
> are made against libxml2-2.3.6.
>
> 1. MSVC project files are updated to contain newly made source files. The
> project files are in the tarball named 'dspfiles.tar.gz', compressed in
> order to avoid CRLF->LF conversion. These files must be in CRLF format,
> because the Microsoft's IDE does not like it otherwise. All .dsp files
from
> the tarball belong under win32/libxml2.
>
> 2. The file 'libxml2.def.src' is a pseudo-source file used to generate the
> .DEF for the MS linker. The above project files assume it is there and
> handle it properly without further intervention. It belongs under
> win32/libxml2 as well. With this, we can finally make a usable shared
> library under Win32/MSCC platform. The library exports 736 symbols and if
> that isn't enough... I would like to thank everyone for ideas and thoughts
> regarding this issue.
>
> 3. I made small change to include/libxml/xmlversion.h. Namely, this file
is
> included by the above 'libxml2.def.src' and then preprocessed. After
> preprocessing, a small piece of code remains in the generated .DEF file
and
> MS linker feels slightly offended by that. The piece of code in question
is
> a simple function prototype:
>
>     extern void xmlCheckVersion(int version);
>
> A small modification makes it conditional:
>
>     #ifndef LIBXML2_COMPILING_MSCCDEF
>     extern void xmlCheckVersion(int version);
>     #endif /* LIBXML2_COMPILING_MSCCDEF */
>
> This 'LIBXML2_COMPILING_MSCCDEF' macro is defined in 'libxml2.def.src'.
> Under all other platform/compiler combinations, it is always undefined.
The
> patch can be found in xmlversion.diff
>
> 4. include/win32config.h now has the mappings for snprintf and vsnprintf,
> which are present in Microsoft's C runtime under different names. The
patch
> is in win32config.diff
>
> 5. xmllint.c received a small modification which makes it compile and work
> under Win32/MSCC correctly, with disabled timings. The patch is in
> xmllint.diff
>
> I wish you all a nice weekend
> Igor