manually building Dosbox CVS in 32-bit

[Ryan Schmidt]

On Oct 9, 2009, at 17:16, Dominik Reichardt wrote:

> I'm wondering how to build Dosbox CVS in 32-bit. If I edit the port  
> file of dosbox by adding
>
> if {$build_arch == "x86_64"} {
>    configure.build_arch i386
> } elseif {$build_arch == "ppc64"} {
>    configure.build_arch ppc
> }
> if {[variant_isset universal] && [string match *64*  
> $universal_archs]} {
>    pre-fetch {
>        return -code error "$name $version cannot be built for 64-bit  
> architectures"
>    }
> }
>
>
> and commenting out
>
> #platform darwin {
> #    configure.args-append --build=${build_arch}-apple-darwin$ 
> {os.major}
> #}
>
> stopping the port install process in configuring and then  
> overwriting the 0.73 release source with the CVS and then starting  
> port install dosbox again, I am able to build a 32-bit Dosbox CVS  
> that is stable and doesn't crash when switching to dynamic core  
> (like the 64-bit version properly built by MacPorts does).
>
> So that is working by tricking MacPort but I'm wondering how to do  
> that manually.
>
> I've tried with configuring dosbox with
> ./configure -build=i386-apple-darwin10.0.0 --target=i386-apple- 
> darwin10 --prefix=/opt/local --disable-sdltest --disable-alsatest
> but that didn't work and has the same compile errors that the  
> MacPorts port had before the last patch. So I'm obviously missing  
> something that MacPorts does right when I use the above trick to  
> build Dosbox in 32-bit.
> What is it? Can anyone help me?

You're probably missing the "-arch i386" flags MacPorts adds to  
various environment variables. Use "sudo port -d configure dosbox" and  
examine the line beginning with "DEBUG: Environment:" to see all the  
environment variables MacPorts sets for you.

> P.S.: Dosbox CVS still needs the midi_coreaudio.h patch that  
> MacPorts does and in src/hardware/serialport/libserial.cpp you need  
> to exchange #include <malloc.h> with #include <stdlib.h> (line 260)  
> - just as an help to anyone trying their hand on the cvs as well.  
> I've reported both issues to the Dosbox developers.