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"make bubblestrap" weirdness


Hi,

  In recent CVS checkouts of GCC mainline, I have noticed a
weird bootstrapping issue. The steps are:

  1. make bootstrap
  2. touch $GCC_SRC_DIR/gcc/java/check-init.c
  3. make bubblestrap
  4. touch $GCC_SRC_DIR/gcc/java/check-init.c
  5. make bubblestrap

In step #3, I see "genattrab" and other "gen*" programs
running once again, while in #5 (and subsequent such
iterations) they don't. I have seen this on two separate
x86-Linux boxen.

Insights?

Thanks,
Ranjit.

-- 
Ranjit Mathew      Email: rmathew AT gmail DOT com

Bangalore, INDIA.    Web: http://ranjitmathew.hostingzero.com/


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