Re: [wxlua-users] MSVC 6 LNK4098 - use /NODEFAULTLIB:library

[Francesco M. <f18...@ya...>]

John Labenski ha scritto:
> If you try to compile for debug multilib you get the warning below,
> which means that the program will crash trying to free() anything
> that's malloced since we've mixed debug and non-debug libs.
> 
> Linker Tools Warning LNK4098
> defaultlib "library" conflicts with use of other libs; use /NODEFAULTLIB:library
> 
> We can solve this by adding this
> 
> /NODEFAULTLIB:msvcrt.lib
...
> 
> I would guess that the reason why we need to do this (wxWidgets
> samples do not) is that modules_mod_lua.dsp generates a non-debug
> lua5.1.lib for the "debug" setting and MSVC gets confused and ignores
> the fact that we've set "Use_Debug_Libraries 1" and links to the
> non-debug msvcrt lib? When I change the lua5.1.lib to be debug by hand
> I no longer get the 4098 warning and the program doesn't crash, so I
> think my theory is correct.
Great, thanks for testing/debugging this!

> Francesco, what do you think about this and which way makes more
> sense, add NODEFAULTLIB or change lua5.1.lib to be debug as well?
I really think NODEFAULTLIB is a sort of hack. If user selected 
BUILD=debug, then we need to build lua in DEBUG mode as well.

I should have fixed it now (see also my other mail "Big build system 
changes").

Francesco