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Added to project. Currently incomplete but will update weekly.

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WineLib HOWTO
Version 04-Jun-2000
AUTHOR:
Wilbur Dale
Lumin Software BV
Zandheuvel 52 B
4901 HW Oosterhout (NB)
The Netherlands
wilbur.dale@lumin.nl
WARNING: This HOWTO is incomplete. I expect to add to it on a weekly
basis until it is complete.
=====================================================================
Table of Contents
I. Introduction: Wine vs. WineLib
II. Legal Issues
III. How Much Work?
IV. Compiling A Simple Win32 Program
V. Compiling A Win32 Program With Resources
VI. DLLs
A. Native DLL.
B. so DLL.
C. elfdll.
VII. How to use MFC
A. Using a native MFC dll
B. Compiling MFC
VIII. Trademarks
Windows 3.x, Windows 95, Windows 98, Windows NT are trademarks of
Microsoft Corporation.
Unix is a trademark of ???? FIXME: who has the trademark this week?
CrypKey is a trademark of Kenonic Controls Ltd.
All other trademarks are the property of their respective owners.
=====================================================================
I. Introduction: Wine vs. WineLib
Wine/Winelib provides the Win32/Win16 API's to a non-Microsoft
operating system. The wine/winelib Win32/Win16 functions use X11
functions to perform the actual drawing on the screen. Wine and
winelib are based on the same set of functions that implement the
Win32/Win16 API. The difference between wine and winelib is the type
of executable that is loaded into memory and executed. If an
executable and any associated DLLs were compiled for x86 hardware
running the Windows 3.x, 95, 98, or Windows NT (TM) operating systems,
then Wine can use a special binary loader to load the program and the
libraries into memory and execute it. Winelib on the other hand allows
you to take the source for such a program and DLLs and compile it into
the native format of a x86 Unix or Linux operating system. Winelib
also allows you to partially compile the program and DLLs into the
native format. For example, if you use a DLL from a vendor to provide
some functions to your program and the vendor does not give you
source, then you can use the Windows version of the DLL to provide the
functions and compile the rest of your program in the native form for
your system.
Windows compilers assume a different structure than standard
compilers. For example, standard compilers assume that the function
main() exists and is the entry point of the program. On the other
hand, windows compilers create a main() that issues an error message
that states that windows is required for executing the program and the
real entry point is the function WinMain(). As a result, winelib
provides certain aids to generate code so that your program can be
compiled and run as written for windows. For example, winelib
generates a main() to initialize the windows API, to load any
necessary DLLs and then call your WinMain(). Therefore you need to
learn four basic operations to compile a windows program using
winelib: compiling a simple program, compiling resources, compiling
libraries, and compiling MFC. These skills are operations are
explained in later sections of this HOWTO.
Before you start porting your windows code to winelib, you need to
consider whether you are allowed to port your program to winelib. As
you compile your program using winelib, you will be combining software
from several sources and you need to ensure that the licenses for the
components is compatible. Hence in the next section, we will examine
several legal issues.
II. Legal Issues
Disclaimer! I am not a lawyer. The purpose of this section is to make
you aware of potential legal problems. Be sure to read your licenses
and to consult your attorney.
During the compilation of your program, you will be combining code
from several sources: your code, winelib code, code from your vendor's
DLLs (if any), and Microsoft MFC code (if used). As a result, you must
ensure that the licenses of all code sources are obeyed. What you are
allowed and not allowed to do can vary depending on how you compile
your program and if you will be distributing it. For example, if you
are releasing your code under the GPL, you cannot link your code to
MFC code because the GPL requires that you provide ALL sources to your
users. The MFC license forbids you from distributing the MFC source so
you can not comply with the GPL license except by not distributing you
program. On the other hand, if your code is released under the LGPL,
you cannot statically link your program to MFC and distribute it, but
you can dynamically link your LGPL code and MFC code and distribute
it.
Wine/Winelib is distributed under an X11-like license. It places few
restrictions on the use and distribution of Wine/Winelib code. I doubt
the Wine license will cause you any problems. On the other hand MFC is
distributed under a very restrictive license and the restrictions vary
from version to version and between service packs.
If you plan on using MFC, there are three hurdles to legally using
MFC. The first hurdle is how to legally get MFC source code on your
computer. MFC source code comes as a part of Visual Studio. The
license for Visual Studio implies it is a single product that can not
be broken up into its components. The cleanest way to get MFC on you
system is to use a dual boot Linux box with the windows partition
visible to the Linux OS. Boot into windows and install Visual
Studio. Since Visual Studio is installed on the computer, you have not
broken it into its components. There may be other solutions, but I
think this is the easiest.
The second hurdle for MFC is the legality of compiling MFC on a
non-Microsoft operating system. This varies with the version of MFC.
MFC license from Visual Studio 6.0:
1.1 General License Grant. Microsoft grants to you as an
individual, a personal, nonexclusive license to make and use
copies of the SOFTWARE PRODUCT for the sole purposes of designing,
developing, and testing your software product(s) that are designed
to operate in conjunction with any Microsoft operating system
product. [Other unrelated stuff deleted.]
So it appears you cannot compile MFC for Winelib using this
license. On the other hand, Visual Studio 6.0 service pack 3 (Visual
Studio 5.0 is similar):
1.1 General License Grant. Microsoft grants to you as an
individual, a personal, nonexclusive license to make and use
copies of the SOFTWARE PRODUCT for the purpose of designing,
developing, and testing your software product(s). [Other unrelated
stuff deleted]
So it appears you can compile MFC for Winelib using this license.
The third hurdle is your legal right to distribute an MFC
library. Check the relevant section of the license on redistributables
and your redistribution rights. As I read the license, you only have
the right to distribute binaries of the MFC library if it has no debug
information and if you distribute it with an application that provides
significant added functionality to the MFC library.
Once you have examined the licenses for all of the sources used in
compiling your program and have decided you can legally compile you
program using winelib, you should probably experiment with your
program running under wine to determine how much work will be involved
in the port. The next section will give advice on estimating the
amount of work required for porting your program to winelib.
III. How Much Work?
Wine and winelib use the same functions to implement the windows API;
hence, if your program correctly runs under wine, it should run under
winelib. However, wine/winelib is incomplete. You may have trouble
running your program under wine. Many people have successfully run many
programs under wine, so there is a good chance you will have no
trouble.
Wine executes the binary program that was compiled for a windows
operating system. There are differences between the windows operating
system and Unix/Linux operating systems. For example, in Windows 3.x,
Windows 95, and Windows 98, the program has direct access to the
hardware. A copy protection program that you purchased for your
windows executable may use direct hardware access to write data to the
disk. Hence, you may need to disable the copy protection in order to
test your executable under wine.
As a specific example, CrypKey is a copy protection program we use at
Lumin Software. Our program does not execute under wine with the copy
protection enabled. We disabled the copy protection, recompiled the
windows executable, and our program works fine. CrypKey also works for
Windows NT where it creates a service. Using wine with the --winver
nt40 option "almost" gets the our program working with copy
protection. At a later date, we intend to either implement the system
calls in wine that are missing for CrypKey or to use another copy
protection program that does work under Linux.
During the execution of your program, wine prints error messages to
standard error. These error messages include "stubs", which are
windows API functions that have not been completely
implemented. Depending on the the system call, these could be harmless
or crash your program. Most of the common windows API functions have
already been implemented, so you should have no missing API functions
or only a few missing functions. If you intend to continue with the
port to winelib, you will need to implement these API
functions. After running your program for a while, you should have a
good feel for the number of windows API functions that you need to
implement.
It is not necessary for you to implement the entire documented
behavior of an API function in order to get your program to work. For
example, many API functions have pointer parameters that are NULL in
the common cases. If you always call the function with a NULL pointer
for the default behavior, you can save yourself some effort by
implementing a function that only works for the NULL pointer
parameter. If you do this, make sure you test if the parameter is
non-null and issue a warning for the non-null case. Also document in
the source that the API function is incomplete.
Once you have implemented an API function, submit the change back to
the wine project so the next person to need the same function does not
need to repeat your work. Remember, someone else wrote all of the
other API functions that you are using, so you are benefiting from
their work. Let other people benefit from your work as well. If you
work for a company, you may need your company's permission to "give
away" your work.
IV. Compiling A Simple Win32 Program
Wine and Winelib are written in C as is the MS Win32/16 API; thus, if
have a program that calls only the Win32 API directly, you can compile
the program using a C compiler and link it with some of the
wine/winelib libraries. For examples of how to do this, see the
directory libtest/ in the wine source tree.
FIXME: to be continued.
Describe spec file.
Go through hello world example 1 and 2.
V. Compiling A Win32 Program With Resources
FIXME: to be continued.
Describe wrc.
Go through hello world example 3.
VI. DLLs
A. Native DLL.
B. so DLL.
C. elfdll.
FIXME: to be continued.
QUESTION: what are so DLL and elfdll. I think I have been doing so
DLL.
Go over an example similar to edrlib in Petzold.
VII. How to use MFC
A. Using a native MFC dll
B. Compiling MFC
FIXME: to be continued.
=====================================================================
The information included here is from various wine-devel posting and
private e-mails. I am including them so that any one starting on MFC
will have some documentation. Glean what you can and good luck.
Before I write more detailed info on compiling MFC I have three
questions. The info I have mentions three problems:
1. wine header files---what is the status of this? Do changes need
to be made in the headers and if so, do I submit the changes back
into wine cvs? Do the changes need #ifdef for C vs. C++
compilation?
2. DOS format files <CR/LF> and no case distinction in
filenames. Do the extensions Corel made to gcc 2.95 handle this?
If so, how?
3. Microsoft extensions to the C++ syntax. Do the extensions Corel
made to gcc 2.95 handle this? If so, how?
If you have info that needs to be added, send me email at
<wilbur.dale@lumin.nl> and I will add it.
=====================================================================
THANKS
Most of the information in this file came from postings on
<wine-devel@winehq.com> and from private e-mails. The following people
contributed information for this document and I thank them for their
time and effort in answering my questions. I also want to thank them
for encouraging me to attack the MFC problem.
CONTRIBUTERS:
Damyan Ognyanoff <Damyan@rocketmail.com>
Gavriel State <gav@magmacom.com>
Ian Schmidt <ischmidt@cfl.rr.com>
Jeremy White <jwhite@codeweavers.com>
From: Ian Schmidt <ischmidt@cfl.rr.com>
Subject: Re: WineLib and MFC
"Wilbur N. Dale" wrote:
> What is the status of MFC under winelib?
I don't know precisely. Corel has done more MFC work than anyone (all
of their applications which they are porting are MFC-based), and
reportedly they have MFC itself compiled. I was just trying to get a
moderately simple MFC-using app to compile, with moderate success
(there are still some problems with MFC's headers after my patch, but
at least they don't appear to be Wine's fault :) I did not try to
compile MFC itself.
> Which versions of MFC, if any?
I have no idea what version Corel uses. As noted in my patch, I was
fiddling with the headers for MFC 6 (from Visual C++ 6.0 Service Pack
3). Most of the stuff my patch addressed was for newer IE 5-related
features, so I'd guess MFC 5 (VC++ 5.0) is likely what they used.
> Is there any documentation on how to compile MFC for winelib? If so
> where?
Not that I know of.
> I have started to compile programs using winelib (hello.c last
> Sunday) and expect to be ready to start compiling MFC in a couple of
> weeks. If documentation is not available on compiling MFC, I am
> willing to write it.
Documentation would be a Good Thing, as WineLib in general is grossly
underdocumented right now. Here's a few tips I discovered to get you
started:
- First off, run all the MFC headers (and source too if you try it)
through a utility to strip out the DOS carriage returns. They cause
havoc with GCC when it sees one after a line that ends with a \ (and
MFC has many macros in it's headers that meet that description). If
you don't have one, do a Google search on "fromdos" and you should
locate some source (or it's fairly easy to make your own).
- Use GCC 2.95.2, and the -fpermissive flag to make it less picky.
2.95.2 has some VC++-compatibility features that Corel paid for, and I
believe more are forthcoming in future GCCs.
- Use -I to add whereever you have the MFC headers at to your include
path, as MFC apps typically use #include <> to access them rather than
"".
- Be prepared to have to rename and/or symlink headers, unless you
compile on a case-insensitive filesystem :)
- When you make install Wine it seems not to include all it's headers
in /usr/local/include/wine. To have any chance at getting MFC going
you'll want to use -I to add the include/ directory from the Wine
source tarball to the path so it can grab everything.
Sorry I can't help you more, but good luck!
-Ian Schmidt
ischmidt@cfl.rr.com
From: Jeremy White <jwhite@codeweavers.com>
Subject: Re: RFC: Wine 1.0
"Wilbur N. Dale" wrote:
> > Further, we have successfully built MFC after making only
> > a modest set of changes to it, even with older
> > versions of g++.
>
> Lumin Software is about to use winelib to port a window program to linux. A
> couple of years ago we thought we had to make a modification to MFC for one
> of our projects and we had problems getting MFC to compile under MS Visual C++.
> After much wailing and gnashing of teeth, we gave up and did things another
> way. After this bad experience, we were wondering --- approximately how many
> man-hours did you spend compiling and changing MFC ?
Urk. I misspoke. None of the developers here that I thought
had working versions of MFC with Wine have working versions any
longer. So, it may be a bit trickier than I led you to believe.
We have it working pretty reliably with Twine, but not
quite so cleanly (yet) with Wine. However, it really shouldn't
be too difficult, and this is what I can remember of the process:
1. If you use a very modern version of gcc (2.95.2 or higher),
I believe you will need to add the -relaxed flag to
have any hope of compiling.
2. If you use an earlier version of gcc, you will need to
adjust the many anonymous structs/unions that MFC supplies.
We prefer this approach, because requiring very
modern gcc implementations seems harsh to us.
3. You will need to adjust for the many type differences
between MFC intrinsic types and the types supplied by Wine.
For example, I believe that MFC expects a HANDLE to
be compatible with certain scalar types, (and it is
under Windows/VC, but is not with Wine/gcc).
4. The key procedure: add many -DNO_XXX flags to the
makefile. If you start with Microsofts make file
for MFC, convert it into a Wine makefile, and then turn
on many of the flags they list there (of the form -DNO_XXX),
your life will get much easier. Once you get it working
with a few -DNO_XXX flags, you can go back and add them
back in.
5. The best resource: you need someone who knows C++ very,
very well. You occassionaly run into very obscure C++
problems where MS has extended the C++ standard and
gcc has not. It really helps to have a guru on hand
when you hit those.
I hope this helps. Sorry for the earlier deceptive post.
Jeremy
From: Gavriel State <gav@magmacom.com>
Subject: Re: MFC questions
"Wilbur N. Dale" wrote:
> 1. Compile MFC. Several years ago we (Lumin Software) tried to
> compile MFC. The attempt failed and we found another way to do what
> we wanted. MS documentation states that compiling MFC was
> deliberately made difficult. Considering my experience with stuff
> they call "easy" I am not looking forward to compiling MFC. We are
> currently using Visual Studio 5 for windows development.
At Corel, we had MFC compiled and running sample apps in WineLib in
late 1998. It's mostly a question of the Wine headers, which weren't
originally up to snuff. We did quite a bit of work on them, and most
of those changes have been contributed back to WineHQ, so it should be
pretty easy now. The other thing that was a big deal was getting the
startup code working properly - since MFC needs to initialize static
data *after* WineLib gets initialized. I believe that that issue has
been addressed now on the WineHQ side with some of the work done on
the .spec file tools recently.
-Gav
--
Gavriel State
CEO
TransGaming Technologies Inc.
gav@transgaming.com
From: Jeremy White <jwhite@codeweavers.com>
Subject: Re: MFC questions
"Wilbur N. Dale" wrote:
[snip]
> 1. Compile MFC. Several years ago we (Lumin Software) tried to
> compile MFC. The attempt failed and we found another way to do what
> we wanted. MS documentation states that compiling MFC was
> deliberately made difficult. Considering my experience with stuff
> they call "easy" I am not looking forward to compiling MFC. We are
> currently using Visual Studio 5 for windows development.
Wilbur, I personally think that this is the 'right' approach, although
approach #2 may prove faster.
Despite your previous experience, and despite my earlier incorrect
statements, I think that this is simpler than you fear. It's one of
those tasks that's darkest before the storm - you spend all of your
energy getting all the include files to work. Once you have *one*
object file, the rest go much more quickly (alright, getting it to
link is also a hairball of a job, but it's tractable <g>).
If you're not in a hurry, getting MFC to compile, and having a
documented procedure for compiling it is on our agenda for the
relatively near future (see the Wine 1.0 task list).
Jer
p.s. Stick with Visi C++ 5. IMHO its MFC license is cleaner than that
of VC 6.
From: Gavriel State <gav@magmacom.com>
Subject: The MSVC++ 6.0 license
Jeremy White wrote:
> p.s. Stick with Visi C++ 5. IMHO its MFC license is cleaner than that
> of VC 6.
Actually, I just picked up a copy of MSVC 6.0 and it appears that they
changed the license between the original release and the Service Pack
3 release - they removed the bit in section 1.1 about requiring that
you be developing your software product only for use with a Microsoft
OS. In any case, even the original license explicitly says that the
MFC redistribution rights are *in addition* to the usage rights in
section 1.1.
The relevant portion of the original EULA:
1.1 General License Grant. Microsoft grants to you as an individual, a
personal, nonexclusive license to make and use copies of the SOFTWARE
PRODUCT for the sole purposes of designing, developing, and testing your
software product(s) that are designed to operate in conjunction with
any Microsoft operating system product. [Other unrelated stuff deleted]
>From the SP3 EULA:
3. Section 1.1 of the EULA is deleted in its entirety and replaced
with the following:
1.1 General License Grant. Microsoft grants to you as an individual, a
personal, nonexclusive license to make and use copies of the SOFTWARE
PRODUCT for the purpose of designing, developing, and testing your
software product(s). [Other unrelated stuff deleted]
Disclaimer - I am not a lawyer, but I've spent lots of time with them
investigating software licenses.
-Gav
--
Gavriel State
CEO
TransGaming Technologies Inc.
gav@transgaming.com
From: Damyan Ognyanoff <Damyan@rocketmail.com>
Subject: Need a hint
Hi,
I manage to build mfc42 as .so library and a application using it (as
a .so library too). I execute it using simple loader which is linked
to wine and I load my application in it's WinMain routine. The
problem is how clearly to unload mfc and my application (to invoke
mfc's destructors before loader is terminated) All is fine except that
there is a "zombi" reference to code in shared library which is
invoked in wine code and generate GPF. debugger stops somewhere in
aplication's InitInstance !!! - and the stack is broken so I can't
catch where exactly the problem is. Any hints are welcome. I'm using
wine-2000517 shapshot downloaded form wine.datapary.no
TNX.
Damyan
p.s.
If any of You is interested in details I can share my
experience.
From: Damyan Ognyanoff <Damyan@rocketmail.com>
Subject: Re: Wine MFC info request
hi,
my MFC is from VC6.0 with SP3
MFC Bulid: (form afxbld_.h)
#define _MFC_BUILD 8447
#define _MFC_USER_BUILD "8447"
#define _MFC_RBLD 0
mfcdll.rc
FILEVERSION 6,0,_MFC_BUILD,_MFC_RBLD
PRODUCTVERSION 6,0,0,0
Hints:
1. wine include files
In some of them you will find error about '__attribute__' all kinds of
similar errors can be fixed using proper typedefs first example :
typedef BOOL (CALLBACK *DLGPROC)(HWND,UINT,WPARAM,LPARAM);
must be converted to
typedef BOOL CALLBACK (*DLGPROC)(HWND,UINT,WPARAM,LPARAM);
and the second kind is something like
TYPE* WINAPI SomeFunction(HWND param1,UINT param2);
The problem here is a TYPE* or TYPE& (in some of mfc files) the
workaround is to declare a type before:
typedef TYPE* TYPEPtr;
or
typedef TYPE& TYPERef;
and declaration will look like:
TYPEPtr WINAPI SomeFunction(HWND param1,UINT param2);
note: don't miss a 'struct' when you define struct type pointers. I
miss it and get a lot of problems compiling MFC:
>>
struct _TEB;
typedef !!!struct!!! _TEB* P_TEB;
extern inline P_TEB WINAPI NtCurrentTeb(void);
<<
Those conversions are semanticaly the same as above but g++ compile
them and generate proper code to invoke __stdcall kind of functions
in some of wine/obj_XXX.h files: wine/obj_base.h - there are a lot of
defines's that are used to declare a COM interfaces
#define ICOM_METHOD(ret,xfn) \
public: virtual ret (CALLBACK xfn)(void) = 0;
will be (for all of them that are related to C++ (watch #ifdef's
carefully)):
#define ICOM_METHOD(ret,xfn) \
public: virtual ret CALLBACK (xfn)(void) = 0;
and the second tip is an error when compiler stops on line like:
ICOM_DEFINE(ISomeInterfase,IUnknown)
watch method declarations above to find something like:
ICOM_METHOD1(TYPE*,MethodName, DWORD,dwParam)
and replace TYPE* with proper TYPEPtr type. In many cases You will see
void* which can be replaced simply by LPVOID.
qthere are several errors related to anonymous structs and unions but
they can be avoided with proper - #ifdef __cplusplus
This is all about wine headers I think. If you find something that I
miss type a line of mail to me.
2. MFC
The rules are the same with some new issues:
virtual BOOL Method1(int param1, BOOL (CALLBACK *param2)
(HWND,UINT,WPARAM,LPARAM));
don't compile. I remove a function pointer declaration
outside method:
typedef BOOL CALLBACK
(*param2Type)(HWND,UINT,WPARAM,LPARAM);
virtual BOOL Method1(int param1, param2Type param2);
I didn't apply this technique to a operator new
definitions:
void* AFXAPI operator new(size_t nSize);
so i remove AFXAPI from these declarations:
I got some missed #defines from commctrl.h and I added
them form VC6.0 include.
these are my defines form Makefile which I used to
compile MFC
-DTWINE_NO_CMONIKER \ -- this is related to exclude
CMonikerFile
-D__urlmon_h__ \ -- wine didn't have URL interfaces
-D_AFX_NO_OLEDB_SUPPORT \
-D_WIN32 \
-DNOWIN98 \ -- this is used to exclude all
unimplemented classes from commctrl
-D_AFX_PACKING \
-D_AFX_NO_DHTML_SUPPORT \
-D_AFX_NO_SOCKET_SUPPORT \
-D_AFX_NO_SYNC_SUPPORT \
-D_AFX_NO_OCX_SUPPORT \
-D_AFX_PORTABLE \
-D_AFX_OLD_EXCEPTIONS \
-D_AFX_NO_SOCKET_SUPPORT \
-D_AFX_NO_DEBUG_CRT \
-D_AFX_NO_DAO_SUPPORT \
-D_AFX_NO_OCC_SUPPORT \
-D_AFX_NO_INET_SUPPORT \
-D_AFX_NO_RICHEDIT_SUPPORT \
-D_X86_ \
-DLONGHANDLES
may be you will try to enable some of features of mfc I tested only
-D_AFX_NO_OCC_SUPPORT but got missing interfaces from wine
in file afxcom_.h
- _CIP<_Interface, _IID>::~_CIP<_Interface, _IID>()
+ _CIP<_Interface, _IID>::~_CIP()
in file afxtempl.h
- BOOL Lookup(BASE_CLASS::BASE_ARG_KEY key,
VALUE& rValue) const
- { return BASE_CLASS::Lookup(key,
(BASE_CLASS::BASE_VALUE&)rValue); }
+ BOOL Lookup(typename BASE_CLASS::BASE_ARG_KEY
key, VALUE& rValue) const
+ { return BASE_CLASS::Lookup(key,
(typename BASE_CLASS::BASE_VALUE&)rValue); }
and all releated errors can be fixed in this way.
3. spec file
name mfc42
type win32
rsrc mfc42
10 stdcall WinMain(long long ptr long) WinMain
4. linking
use -rdynamic wnen link libmfc.so to get ARGV and
ARGC from loader
5. I didn'n build a extention dll with wine but I suspect that there
will be some problems releated to a chaining Runtime classes form MFC
to a new dll
6. build your app as a MODULE too.
7. make a loader and in it's _WinMain:
... includes are here
iint PASCAL (*winMain)(HINSTANCE,HINSTANCE,LPSTR,int) =
0;
my app uses these to manage filenames
VOID __cdecl (*_splitpath1)(LPCSTR path, LPSTR drive,
LPSTR directory, LPSTR filename, LPSTR extension ) =
NULL;
VOID __cdecl _splitpath(LPCSTR path, LPSTR drive,
LPSTR directory, LPSTR filename, LPSTR extension )
{
if (_splitpath1)
_splitpath1(path, drive, directory, filename,
extension );
}
VOID __cdecl (*_makepath1)(LPSTR path, LPCSTR drive,
LPCSTR directory, LPCSTR filename, LPCSTR extension )
= NULL;
VOID __cdecl _makepath(LPSTR path, LPCSTR drive,
LPCSTR directory, LPCSTR filename, LPCSTR extension )
{
if (_makepath1)
_makepath1(path, drive, directory, filename,
extension);
}
int PASCAL _WinMain(HINSTANCE h,HINSTANCE h1,LPSTR
lpszCmdParam,int c)
{
HINSTANCE hInstance,hins,hlib,htst,hform,himag,hexe;
int retv;
hins = LoadLibrary("CRTDLL.DLL");
_splitpath1 = GetProcAddress(hins,
"_splitpath");
_makepath1 = GetProcAddress(hins,
"_makepath");
hins = LoadLibrary("COMCTL32.DLL");
hins = LoadLibrary("COMDLG32.DLL");
hins = dlopen("libmfc42.so",2);
hlib = LoadLibrary("mfc42");
himag = dlopen("libmxformatslib.so",2);
hform = LoadLibrary("mxformatslib");
hexe = dlopen("libmxpaint.so",2);
htst = LoadLibrary("mxpaint");
winMain = GetProcAddress(hlib, "WinMain");
if (winMain)
{
retv = winMain (htst, // note the > htst
< HERE
0,
lpszCmdParam,
SW_NORMAL);
}
FreeLibrary(htst);
FreeLibrary(hform);
FreeLibrary(hlib);
dlclose(hexe);
dlclose(himag);
dlclose(hins);
return retv;
}
the spec for loader is:
name c10
mode guiexe
type win32
init _WinMain
please find attached a Makefile which i use to build
MFC
Regards
Damyan.
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