[vbox-dev] Building VirtualBox for windows amd64

[Jakob Simon-Gaarde]

Klaus Espenlaub skrev:
> vbox wrote:
>   
>>> I have been struggling a week on and off to build VirtualBox OSE for
>>> amd64/Windows. I have fixed configure.vbs so it handles libxml2, libxslt
>>> and qt4. For gcc compiling I have used the mingw_x86_64 build invironment
>>> that provides a toolchain that targets x86_64-pc-mingw32. This actually
>>> seems to work fine all the way to the recompiler subdir.
>>> I can see the toolchain used by VirtualBox developers to build the
>>> amd64/windows version is called x86_64-unknown-linux-gnu-<tool>.exe. And
>>> is
>>> a gcc version 3.4.6. I have been trying to build this exact version and
>>> target all weekend but with no luck (I can build binutils and half of
>>>       
>> gcc,
>>     
>>> then it fails).
>>>
>>> VirtualBox developers: Please, could you be so kind as to expose the
>>> x86_64-unknown-linux-gnu toolchain you are using, that would really ease
>>> the build process. An idea could be to add it to the svn repository under
>>> the tools directory - it would still be nessecary to download the mingw
>>> environment besides.
>>>
>>> Here is where my virtualbox build ends:
>>>
>>> kBuild: Installing VBoxREM =>
>>> C:/dev/vbox/out/win.amd64/release/bin/VBoxREM.dll
>>> kBuild: Pass - Programs
>>> kBuild: Compiling VBoxREM2 - C:/dev/vbox/src/recompiler/VBoxRecompiler.c
>>> In file included from C:/dev/vbox/src/recompiler/VBoxRecompiler.c:28:
>>> C:/dev/vbox/src/recompiler/exec-all.h: In function 'tb_add_jump':
>>> C:/dev/vbox/src/recompiler/exec-all.h:308: warning: cast from pointer to
>>> integer of different size
>>> C:/dev/vbox/src/recompiler/exec-all.h:312: warning: cast from pointer to
>>> integer of different size
>>> C:/dev/vbox/src/recompiler/exec-all.h:312: warning: cast to pointer from
>>> integer of different size
>>>    .
>>>    .
>>>    .
>>> C:/dev/vbox/src/recompiler/target-i386/ops_sse.h: In function
>>> 'op_punpckhwd_xmm':
>>> C:/dev/vbox/src/recompiler/target-i386/ops_sse.h:1400: warning: cast from
>>> pointer to integer of different size
>>> C:/dev/vbox/src/recompiler/target-i386/ops_sse.h:1400: warning: cast from
>>> pointer to integer of different size
>>> C:/dev/vbox/src/recompiler/target-i386/ops_sse.h: In function
>>> 'op_punpckhdq_xmm':
>>> C:/dev/vbox/src/recompiler/target-i386/ops_sse.h:1400: warning: cast from
>>> pointer to integer of different size
>>> C:/dev/vbox/src/recompiler/target-i386/ops_sse.h:1400: warning: cast from
>>> pointer to integer of different size
>>> C:/dev/vbox/src/recompiler/target-i386/ops_sse.h: In function
>>> 'op_punpckhqdq_xmm':
>>> C:/dev/vbox/src/recompiler/target-i386/ops_sse.h:1400: warning: cast from
>>> pointer to integer of different size
>>> C:/dev/vbox/src/recompiler/target-i386/ops_sse.h:1400: warning: cast from
>>> pointer to integer of different size
>>> kBuild: dyngen VBoxREM -
>>> C:/dev/vbox/out/win.amd64/release/obj/VBoxREM2/target-i386/op.o
>>> dyngen: bad ELF header
>>> kmk: *** [C:/dev/vbox/out/win.amd64/release/obj/VBoxREM2/op.h] Error 1
>>> kmk: *** Deleting file
>>> `C:/dev/vbox/out/win.amd64/release/obj/VBoxREM2/op.h'
>>>
>>> The command that fails:
>>> @C:/dev/mingw_x86_64_20080724/bin/gcc.exe -c -g -O2 -nostdinc
>>> -fno-strict-aliasing -fno-math-errno -Wall -O2 -fno-strict-aliasing -m64
>>> -mcmodel=medium -fno-common -O2 -IC:/dev/vbox/src/recompiler/Sun
>>> -IC:/dev/vbox/src/recompiler/Sun/crt
>>> -IC:/dev/vbox/src/recompiler/target-i386 -IC:/dev/vbox/src/recompiler/fpu
>>> -IC:/dev/vbox/out/win.amd64/release/obj/VBoxREM2
>>> -IC:/dev/vbox/src/VBox/VMM
>>> -IC:/dev/vbox/src/recompiler -IC:/dev/vbox/include/iprt/nocrt
>>> -IC:/dev/vbox/include -IC:/dev/vbox/out/win.amd64/release -DVBOX
>>> -DVBOX_OSE
>>> -DVBOX_WITH_64_BITS_GUESTS -DVBOX_WITH_INTERNAL_NETWORKING
>>>       
>> -DRT_OS_WINDOWS
>>     
>>> -D__WIN__ -DRT_ARCH_AMD64 -D__AMD64__ -D__WIN64__ -DIN_RING3
>>>       
>> -DIPRT_NO_CRT
>>     
>>> -DHC_ARCH_BITS=64 -DGC_ARCH_BITS=64 -DIN_REM_R3 -DREM_INCLUDE_CPU_H
>>> -DREM_PHYS_ADDR_IN_TLB -DLOG_USE_C99 -DHC_ARCH_BITS=64 -DGC_ARCH_BITS=64
>>>
>>>       
>> -Wp,-MD,C:/dev/vbox/out/win.amd64/release/obj/VBoxREM2/VBoxRecompiler.o.dep
>>     
>>> -Wp,-MT,C:/dev/vbox/out/win.amd64/release/obj/VBoxREM2/VBoxRecompiler.o
>>> -Wp,-MP -o
>>>       
>> C:/dev/vbox/out/win.amd64/release/obj/VBoxREM2/VBoxRecompiler.o
>>     
>>> The gcc toolchain I'm using targets x86_64-pc-mingw32 which is probably
>>> part of the problem since it seems like dyngen expects ELF, also it is
>>>       
>> gcc
>>     
>>> 4.4.0 and I can see in a comment at the top of the Makefile inside the
>>> recompiler directory that versions >4 are not supported:
>>>
>>> C:\dev\vbox\src\recompiler>C:/dev/mingw_x86_64_20080724/bin/gcc.exe -v
>>> Using built-in specs.
>>> Target: x86_64-pc-mingw32
>>> Configured with: ../gcc/configure --prefix=/var/tmp/win64
>>> --with-sysroot=/var/tmp/win64 --target=x86_64-pc-mingw32 --host=x86_64-p
>>> c-mingw32 -q --silent
>>> Thread model: win32
>>> gcc version 4.4.0 20080724 (experimental) (GCC)
>>>       
>> Anyone?
>>
>> Maybe just a short explaination on how you build the toolchain
>> x86_64-unknown-linux-gnu for windows so I can do it myself.
>>     
>
> It's a gcc+binutils toolchain configured for cross-compilation. Host 
> platform is 32bit mingw, target platform is 64bit linux. The "linux" 
> part of it is just partially relevant, what matters is that the object 
> format is elf (building of the recompiler assumes that elf format). We 
> used gcc 3.4.6 sources for this, simply because its known working with 
> the recompiler sources. The normal patch for adapting gcc sources for 
> building with mingw32 should do.
>   
All this I know all this - I just havn't been successful in building the 
cross-compiler. That's why I was wondering if you could either put a 
binary package containing the toolchain or tell me some more about how 
you built it. I have tried building it in Cygwin and on a linux host 
following this tutorial: http://rmathew.com/articles/gcj/bldgcj.html

/ Jakob