Visual C++

What works

Mostly everything

What does not

If I create a project with appwizard, I can't complie it, only after restarting wine. Wine says '... Ignoring share mode'.

The onlne help viewer is broken. I can't see anything from .chm files, in general.

Compiling floating-point code needs 'atodbl', which isn't implemented in wine, so that doesn't work, too. I've implemented that function myself, recompiled the msvcrt.dll from wine, and it woked.

Workarounds

What was not tested

The intall procedure. MFC features.

Hardware tested

Graphics:

• GPU:
• Driver:

Additional Comments

wine installed from source. Please impement 'atodbl' from msvcrt.

Native alternatives for non-windows platforms:
- Anjuta

Make sure you operate on a clean WINEPREFIX (~/.wine)!

Prerequisite installation by using 'winetricks' script

­Winetricks will take care of needed installation prerequisites and work around s­ome installer problems.

$ wget http://kegel.com/wine/winetricks­

­$ sh winetricks -q vcrun6 mfc40

Install steps to work around some bugs

After winetricks step start "winecfg" tool and select "Windows 98" from Windows Version Listbox. Press "Apply" button. Press "Ok" button.

Now you may run the installer. The installer might crash when trying to install the required 'virtual machine for java' (bug 18097). Ignore this and upon "reboot" when asked to install DCOM98, uncheck the box and let the installer proceed.

After the installation is finished, change the Windows version back to default (Windows XP).

­Because bug 5322 will proba­bly stand a long time, I present another method.

1.) Save the following snippet to a text file, for example "vc6-installer-fix":

set $x=0x410000
set $end=0x420000
while(*++$x != 0x07B0B18B && $x < $end)
end
if $x != $end
set *(int*) $x = 0x5BC0335E
set *(int*)($x+4) = 0x900004C2
end
handle SIGSEGV pass nostop noprint
handle SIGTRAP nopass nostop noprint
cont

2.) run the following command, assuming you saved the snippet to "vc6-installer-fix":

$ winedbg --gdb setup.exe < vc6-installer-fix

NOTE: If the installer spawns a sub-installer that crashes due to this bug, you must first run the main installer and then attach to sub-installer with debugger.

This can be done in automated way (assuming the main installer has already started sub-installer):

­$ winedbg --gdb $(( 16#$(winedbg --command "info proc" | grep your-sub-installer-process-name | cut -f 2 -d " ") )) < vc6-installer-fix­

It tells winedbg to query process ids, filters out the target process, converts the PID to decimal and then starts winedbg in gdb proxy mode, attaching to target process and executing patch script.

This should work for all VC6 installers and even Embedded Visual C++ 4.x ones.

Basically it starts the installer under control of a debugger and the works around bug 5322 by in-memory patching execution flow.

NOTE: This method is not recommended for the average user!