[Bug 22756] New: Wine64 will not build on GCC 4.4.4

http://bugs.winehq.org/show_bug.cgi?id=22756

Summary: Wine64 will not build on GCC 4.4.4
           Product: Wine
           Version: 1.1.44
          Platform: x86
        OS/Version: Linux
            Status: NEW
          Keywords: download, source, win64
          Severity: blocker
          Priority: P1
         Component: build-env
        AssignedTo: [e-mail]
        ReportedBy: [e-mail]

Trying to compile Wine64 on an i386 system, I'm scuppered at the first hurdle.

../configure --enable-win64 --build=amd64

checking whether gcc supports __builtin_ms_va_list... no
configure: error: You need gcc >= 4.4 to build Wine as 64-bit.

$ gcc --version
gcc (GCC) 4.4.4

Is it a case that __builtin_ms_va_list never made it into 4.4.4?  I can't find
any information about this in the changelogs.