[vbox-dev] Building VirtualBox for windows amd64

[vbox]

> 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.

Thanks in advance.

Best regards
Jakob Simon-Faarde