[automake-commit] branch master updated: automake: set test delays to am_cv_filesystem_timestamp_resolution.

[Karl Berry]

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karl pushed a commit to branch master
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View the commit online:
https://git.savannah.gnu.org/gitweb/?p=automake.git;a=commitdiff;h=683400c39e8be392eff54515260706c08eb931d2

The following commit(s) were added to refs/heads/master by this push:
     new 683400c39 automake: set test delays to 
am_cv_filesystem_timestamp_resolution.
683400c39 is described below

commit 683400c39e8be392eff54515260706c08eb931d2
Author: Mike Frysinger <vapier@gentoo.org>
AuthorDate: Fri Jul 14 08:50:51 2023 -0700

    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%.
---
 configure.ac | 10 +---------
 1 file changed, 1 insertion(+), 9 deletions(-)

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])
 
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