2.6.19 build hangs while running git for no reason...

[Rob Landley]

Right at the start of the build:

scripts/kconfig/conf -s arch/arm/Kconfig
  CHK     include/linux/version.h
  SYMLINK include/asm-arm/arch -> include/asm-arm/arch-integrator
  Generating include/asm-arm/mach-types.h

  CHK     include/linux/utsrelease.h
  UPD     include/linux/utsrelease.h

Where there's a one line gap the build hangs for five minutes (eating no CPU, 
blocked one something).  I hit "enter" and it resumes again.  It does this 
reproducibly for me.

It seems to be blocked running:
   6983 pts/3    S+     0:00 /bin/sh /usr/bin/git rev-parse --verify HEAD

Which is odd because this is the release version and hasn't got .git stuff in 
it.  I did an "rm /usr/bin/git" (I don't use it, I dunno why ubuntu decided 
to install it) and the hang went away.  Why is the build even _calling_ git 
on a release version?

The invocation was:
  make ARCH="${KARCH}" CROSS_COMPILE="${CROSS_TARGET}"- &&

Where KARCH=arm and CROSS_TARGET is a cross compile toolchain that built a 
working copy of uClibc.

Rob
-- 
"Perfection is reached, not when there is no longer anything to add, but
when there is no longer anything to take away." - Antoine de Saint-Exupery
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