On Sonntag, 30. Oktober 2016 17:33:15 CET Tim Rühsen wrote: > Hi, > > currently, some GNU people are developing ideas and code to speed up the GNU > toolchain (autotools, make). > > A simple ./configure for wget calls 'cat' ~2000 times, same with 'rm'. > This sums up to a roughly 5-10% of the overall time used in ./configure. > > Since cat and rm implementations are pretty small in code size, I wonder if > you (the maintainers) would accept patches to make these commands builtin > commands. > > To keep backward compatibility for sure, these builtins could be disabled by > default. A following small change in autotools could enable these. > > My current plan is to use the builtin code for 'cat' only when no options > are given. If options are given, fall back to fork/exec. > > With 'rm' I would use builtin code for no options, for -r and for -f (and > -r/- f combined), else fall back to fork/exec. > > WDYT ?
Sorry, me again =) Just found examples/loadables... If ./configure detects bash, it could load custom shared objects of course. Less invasive, just project-related, but more control outside of bash (e.g. one could enable the loadables from config.site file). Tim
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