GNU bug report logs - #60808
[PATCH 2/2] tests: reuse am_cv_filesystem_timestamp_resolution

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From: Karl Berry <karl <at> freefriends.org>
To: vapier <at> gentoo.org
Cc: 60808 <at> debbugs.gnu.org
Subject: [bug#60808] [PATCH 2/2] tests: reuse am_cv_filesystem_timestamp_resolution
Date: Fri, 14 Jul 2023 09:52:41 -0600

Hi Mike,

    +MODIFICATION_DELAY=$am_cv_filesystem_timestamp_resolution

I belatedly installed this patch. (I thought you already had.)
Thanks!

2023-07-14  Mike Frysinger  <vapier <at> gentoo.org>

automake: set test delays to am_cv_filesystem_timestamp_resolution.

This patch is from https://bugs.gnu.org/60808.

* configure.ac: Set test delays to
am_cv_filesystem_timestamp_resolution, instead of hardwiring
5sec on DJGPP and 2sec elsewhere. This speeds up test runs
significantly, informally as much 30%.
diff --git a/configure.ac b/configure.ac
index f78ec5153..23a9f97f5 100644
--- a/configure.ac
+++ b/configure.ac
@@ -177,15 +177,7 @@ result=no
 test "x$am_cv_prog_ln" = xln && result=yes
 AC_MSG_RESULT([$result])

-# The amount we should wait after modifying files depends on the platform.
-# On Windows '95, '98 and ME, files modifications have 2-seconds
-# granularity and can be up to 3 seconds in the future w.r.t. the
-# system clock.  When it is important to ensure one file is older
-# than another we wait at least 5 seconds between creations.
-case $build in
-  *-pc-msdosdjgpp) MODIFICATION_DELAY=5;;
-  *)               MODIFICATION_DELAY=2;;
-esac
+MODIFICATION_DELAY=$am_cv_filesystem_timestamp_resolution
 AC_SUBST([MODIFICATION_DELAY])

 ## ------------------------------------------- ##

compile finished at Fri Jul 14 08:45:18 2023

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