Bug#757703: fix mesa build on x32

[Matthias Klose <doko@debian.org>]

Am 11.08.2014 um 15:13 schrieb Julien Cristau:
> Control: tags -1 moreinfo
> 
> On Sun, Aug 10, 2014 at 19:36:30 +0200, Matthias Klose wrote:
> 
>> --- mesa-10.2.4.orig/debian/patches/x32-updates.diff
>> +++ mesa-10.2.4/debian/patches/x32-updates.diff
>> @@ -0,0 +1,12 @@
>> +Index: b/configure.ac
>> +===================================================================
>> +--- a/configure.ac
>> ++++ b/configure.ac
>> +@@ -1757,6 +1757,7 @@ gallium_check_st() {
>> + 
>> + gallium_require_llvm() {
>> +     if test "x$MESA_LLVM" = x0; then
>> ++        case "$host" in *gnux32) return;; esac
>> +         case "$host_cpu" in
>> +         i*86|x86_64|amd64) AC_MSG_ERROR([LLVM is required to build $1 on x86 and x86_64]);;
>> +         esac
> 
> Why shouldn't this apply to x32 the same way it does to x86 and x86_64?

because there is no llvm build on x32. afaics you build the gallium and noveau
drivers for any architecture except s390 and s390x. why?
why are s390 and s390x handled this way? maybe add m68k too, so that the package
builds there too?

  Matthias