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nixpkgs/pkgs/development/tools/misc/autoconf/2.71-fix-race.patch
Sergei Trofimovich 70f8d78dcc autoconf: pull upstream fix for autoreconf race
Before this change `xfce.garcon` did not always compile successfully:

    $ c=1; while nix build --rebuild -f. xfce.garcon --cores 1; do (( c+=1 )); echo again with $c; done
    ...
    again with 4
    garcon-gtk/Makefile.am: installing './depcomp'
    .../am/depend2.am: error: am__fastdepCC does not appear in AM_CONDITIONAL
    .../am/depend2.am:   The usual way to define 'am__fastdepCC' is to add 'AC_PROG_CC'

This happens due to an autoconf bug when m4 is called within 1 second:
    Upstream report and fix: https://savannah.gnu.org/support/index.php?110521

The change allows `xfce.garcon` to rebuild 60 times in a row without failures.
2021-11-09 18:02:06 +00:00

37 lines
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Diff

https://savannah.gnu.org/support/index.php?110521
https://git.savannah.gnu.org/cgit/autoconf.git/patch/?id=3a9802d60156809c139e9b4620bf04917e143ee2
--- a/lib/Autom4te/FileUtils.pm
+++ b/lib/Autom4te/FileUtils.pm
@@ -34,12 +34,12 @@ This perl module provides various general purpose file handling functions.
=cut
-use 5.006;
+use 5.008;
use strict;
use warnings FATAL => 'all';
use Exporter;
-use File::stat;
+use Time::HiRes qw(stat);
use IO::File;
use Autom4te::Channels;
@@ -115,10 +115,11 @@ sub mtime ($)
return 0
if $file eq '-' || ! -f $file;
- my $stat = stat ($file)
+ my ($dev,$ino,$mode,$nlink,$uid,$gid,$rdev,$size,
+ $atime,$mtime,$ctime,$blksize,$blocks) = stat ($file)
or fatal "cannot stat $file: $!";
- return $stat->mtime;
+ return $mtime;
}
--
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