building MesaLib for sparc and sparc64 fails

[Kurt Schreiner <ks%ub.uni-mainz.de@localhost>]

Hi,

trying build.sh ... distribution (on amd64) for sparc or sparc64 fails
while building MesaLib in external/mit/xorg/lib/dri/mach64:

dependall ===> external/mit/xorg/lib/dri/mach64
     create  mach64/mach64_screen.d
In file included from 
/usr/xsrc/external/mit/MesaLib/dist/src/mesa/drivers/dri/mach64/mach64_screen.c:32:
/usr/xsrc/external/mit/MesaLib/dist/src/mesa/drivers/dri/mach64/mach64_context.h:299:22:
 error: byteswap.h: No such file or directory
nbmkdep: compile failed.

*** Failed target:  mach64_screen.d
*** Failed command: CC=/u/NetBSD/arch/sparc/TOOLS/bin/sparc--netbsdelf-gcc 
/u/NetBSD/arch/sparc/TOOLS/bin/nbmkdep -f mach64_screen.d -- 
-I/usr/xsrc/external/mit/MesaLib/dist/src/mesa/main 
-I/usr/xsrc/external/mit/MesaLib/dist/src/mesa/glapi 
-I/usr/xsrc/external/mit/MesaLib/dist/src/mesa/shader 
-I/usr/xsrc/external/mit/MesaLib/dist/src/mesa/drivers/dri/common 
-I/usr/xsrc/external/mit/MesaLib/dist/src/mesa/drivers/dri/mach64/server 
-I/usr/xsrc/external/mit/MesaLib/dist/src/mesa 
-I/usr/xsrc/external/mit/MesaLib/dist/include 
-I/u/NetBSD/arch/sparc/dest/usr/X11R7/include/X11/drm 
-I/u/NetBSD/arch/sparc/dest/usr/X11R7/include/X11 -D_NETBSD_SOURCE -DPTHREADS 
-DUSE_EXTERNAL_DXTN_LIB=1 -DIN_DRI_DRIVER -DGLX_DIRECT_RENDERING 
-DGLX_INDIRECT_RENDERING -DHAVE_ALIAS -DHAVE_POSIX_MEMALIGN -DCSRG_BASED 
-DFUNCPROTO=15 -DNARROWPROTO -I/u/NetBSD/arch/sparc/dest/usr/X11R7/include 
-nostdinc -isystem /u/NetBSD/arch/sparc/dest/usr/include 
/usr/xsrc/external/mit/MesaLib/dist/src/mesa/drivers/dri/mach64/mach64_screen.c
*** Error code 1

Stop.
nbmake: stopped in /u/NetBSD/src/external/mit/xorg/lib/dri/mach64

*** Failed target:  dependall-mach64

Kurt