[vbox-dev] x86_64-unknown-linux-gnu-g++.exe not found on x64 machine

Ben Zhu bzhu at ironkey.com
Sun Apr 25 18:18:25 GMT 2010

Hi Michael,


Thanks a lot for your advice.

Can you double check if the following is what I need to do?


1. on A 32-bit Windows XP, download a Fedora 12 image and install it into a
Virtual Box.

2. find out and download glinc-devel packages in the Fedora 12.

   Not sure which package I should download for either x86_64 or i686. 

   Can you advise which version I should download?

      1. glibc-devel-2.11.1-4.x86_64.rpm  -- for Fedora 12 updates for

      2. glibc-devel-2.11.1-6.x86_64.rpm  -- for Fedora 12 testing updates
for x86_64,

      3. glibc-devel-2.11.1-4.i686.rpm    -- for Fedora 12 updates for
x86_64, or

      4. glibc-devel-2.11.1-6.i686.rpm    -- for Fedora 12 testing updates
for x86_64


3. download and install the latest MinGW development environment.

   There is an x64 version MinGW for download, but based on your suggestion,

   I should download 32-bit MinGW. Does this mean we will build a 32-bit
version of VB for x64 Windows?

   Can you tell the reason? 


4. install MinGW development environment in terms of the prerequisites of

   Should I install it on a 32-bit Windows XP or an x64 Windows 7?


Thanks a lot,





-----Original Message-----
From: vbox-dev-bounces at virtualbox.org
[mailto:vbox-dev-bounces at virtualbox.org] On Behalf Of Michael Martin
Sent: Friday, April 23, 2010 5:02 PM
To: vbox-dev at virtualbox.org
Subject: Re: [vbox-dev] x86_64-unknown-linux-gnu-g++.exe not found on x64


Ben Zhu wrote,

>I am building the VBox on x64 Windows and got an error that tells  cannot
find the x86_64-unknown-linux-gnu-g++.exe.

>Can someone tell where I can find and download the


As far as I can tell, you'll need to build it yourself; you need to

install a MinGW development environment anyway, and then you can use

it to build a recent gcc cross-compiler targeting



Doing this properly will also require you to build a sysroot that has

a version of glibc installed in it; the easiest way to get one of

those is to take the glibc-devel packages from Fedora or Debian or

whatnot and extract them into the directory you set as --with-sysroot.

http://gcc.gnu.org/install/ will also discuss the prerequisites.


You'll still need the 32-bit MinGW to build VirtualBox; both are

needed at different points in the install.



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