On Sat, 7 Jan 2006, Greg Schafer wrote:

I've just managed to reproduce this in a DIY build by dropping M4, Bison
and Flex from the temptools phase. Hmmmmmm, this is a bizarre one... check
out the following..

By retaining the finished Bison build dirs from each iteration and diffing
them, I was able to establish the problematic object file:

 src/parse-gram.o

Thanks for the analysis, Greg. Looks like saving the build directories is a worthwhile thing to do when comparing builds.


Ok, the cause of the difference is now known. Luckily, it looks like a
fairly minor issue. Nevertheless, it should be fixed in order to attain
clean ICA results. It also proves that dropping packages from Ch 5 should
not be done lightly..

Equally, just because we're giving dependencies a thorough going over at the moment doesn't mean that they're set in stone - the hardcoded /tools/bin/grep seems to be new with libtool-1.5.22 (or more accurately, the 1.5.18 on this box doesn't have it). I suppose the price of purity will be eternal vigilance.

Ken
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