[U-Boot] Treat warnings different from errors in buildman?

[Tom Rini]

Hey,

So as I migrate scripts over to buildman, one issue I have is that
today warning and errors are treated the same:
u-boot (master)$ ./tools/buildman/buildman -b master -c 1 -ve -T 1 -j 9 'arc|blackfin|microblaze|m68k|nds32|sparc|x86|aarch64|sandbox|mips' -s
Summary of 1 commit for 128 boards (1 thread, 9 jobs per thread)
01: git-mailrc: add patman and buildman alias
      mips: +   pb1000 dbau1550_el qemu_mipsel maltael
     sparc: +   grsim_leon2 gr_cpci_ax2000 gr_ep2s60 grsim gr_xc3s_1500
       arc: +   tb100 arcangel4-be axs101 arcangel4
   sandbox: +   sandbox

mips is the mipsel libgcc thing, I need to see if eldk5.5 behaves
better than 5.2.1 in that regard and passing or setting
CONFIG_USE_PRIVATE_LIBGCC=yes.  sparc is however all warnings (old gcc
warning when it should not).

Also, is there any way to note which boards/arches an error comes from?
+/home/trini/work/u-boot/master/.bm-work/00/disk/part.c: In function
`get_device':
+/home/trini/work/u-boot/master/.bm-work/00/disk/part.c:453: warning:
'hwpart' might be used uninitialized in this function

Is confusing if you hadn't done a sparc solo build before and seen that.

Thanks!

-- 
Tom
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