Hi Michael, Hi all, On Mon, 04 Apr 2011 15:07:32 +0100 Michael Meeks <michael.me...@novell.com> wrote:
> stats file > 1428 /data/opt/libreoffice/bootstrap/clone/writer/sw/inc/swdllapi.h Hmmm: find solver/300/unxlngx6.pro/workdir/Dep/CxxObject/sw|xargs grep swdllapi.h|wc -l 1425 Thats too close to be a accidental. It seems like GNU make restats every target everytime it gets named as a dependency without any caching (or expecting the OS to do the caching). Another thing I came across: find solver/300/unxlngx6.pro/workdir/Dep/CxxObject/sw|xargs grep swdllapi.h|sort|uniq|wc -l 748 It seems that the dep files generated by gcc have duplicates. This could: a) be fixed in gcc itself. b) be fixed by sorting out duplicates when generating the dep file. This could be done in the solenv/gbuild/processdeps.awk(*) script and would then likely result in a 100% speedup. Best, Bjoern (*) Currently only used on Windows as it mainly normalizes some cygwin paths. But as it also makes absolute paths relative to the $(SRCDIR), $(WORKDIR), $(OUTDIR), $(REPODIR) roots, you do not have to generate all dep files because of absolute paths when moving your tree in the filesystem, which is nice to have on all platforms IMHO. -- https://launchpad.net/~bjoern-michaelsen
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