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From: | Paul Eggert |
Subject: | Re: builds are getting slower? |
Date: | Mon, 14 Dec 2015 15:40:33 -0800 |
User-agent: | Mozilla/5.0 (X11; Linux x86_64; rv:38.0) Gecko/20100101 Thunderbird/38.4.0 |
John Wiegley wrote:
Which part of this is "make", and which "make check"? Are you doing a bootstrap build, or a "clean" build?
When I reproduced the small part of the performance regression on Fedora x86-64 (the part that's been fixed since then, on emacs-25), I did this:
./autogen.sh ./configure CFLAGS='-g3 -O0' make -j5 time make bootstrap So there's no 'make check', just a 'make bootstrap'.'make check' is so slow that I normally don't run it these days. We should do what coreutils does, and run the expensive tests only if RUN_EXPENSIVE_TESTS=yes is in the environment. coreutils has three categories of expensiveness, but Emacs could probably get by with two for now.
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