[Mesa-users] Cross-building Mesa 9.2.x

[warpme]

Hi,
I wan to update Mesa in my project (Minimyth derivative).
I'm currently on 9.0.3 and want upgrade to 9.2.x.
Major motivation is getting support for H.264/MPEG2 hardware decode on ATM/ATI Radeon hardware.
Unfortunately I have problem with 9.2.3 Mesa compilation:
autoreconf: Entering directory `.'
autoreconf: configure.ac: not using Gettext
autoreconf: running: aclocal -I //home/piotro/minimyth-dev/images/build/usr/share/aclocal --force -I m4
configure.ac:47: error: undefine: undefined macro: AC_PROVIDE_AC_PROG_CPP
/home/piotro/minimyth-dev/images/build/usr/share/aclocal/ax_prog_cc_for_build.m4:38: AX_PROG_CC_FOR_BUILD is expanded from...
configure.ac:47: the top level
autom4te: //home/piotro/minimyth-dev/images/build/usr/bin/m4 failed with exit status: 1
aclocal: error: echo failed with exit status: 1
autoreconf: aclocal failed with exit status: 1
make[2]: *** [pre-configure] Error 1
make[2]: Leaving directory `/home/piotro/minimyth-dev/script/xorg/Mesa'
Unfortunatellly I can't find much info about AC_PROVIDE_AC_PROG_CPP macro.
Isn't above error telling me that my autoconf is too old?
If so - what version is needed ?
Also - if I want to get HWaccel in AMD/ATI - is LLVM required for this?
(I want to minimize OS image size - so now my 9.0.3 is compiled without LLVM).
I have pretty good performance on Intel hw - but AMD/ATI GL apps are slooow. Is this because lack of LLVM?
If so - is LLVM only option to have good GL on AMD/ATI?
Thx in advance for help!
     
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