automake: sort hash keys needed for reproducible output.

This change fixes https://bugs.gnu.org/46744.

* bin/automake.in: sort keys, in: handle_LIBOBJS, handle_clean,
 handle_factored_dependencies, scan_autoconf_traces,
 lang_vala_finish.
* NEWS: mention this.

1 files changed, 6 insertions, 6 deletions

diff --git a/bin/automake.in b/bin/automake.in
index 8edd0c7a3..19ea9538f 100644
--- a/bin/automake.in
+++ b/bin/automake.in
@@ -2393,7 +2393,7 @@ sub handle_LIBOBJS
   $var->requires_variables ("\@${lt}LIBOBJS\@ used", $lt . 'LIBOBJS')
     if ! keys %libsources;
 
-  foreach my $iter (keys %libsources)
+  foreach my $iter (sort keys %libsources)
     {
       my $dir = '';
       if ($iter =~ /^(.*)(\.[cly])$/)
@@ -4697,7 +4697,7 @@ sub handle_clean
 	     DIST_CLEAN, [],
 	     MAINTAINER_CLEAN, []);
 
-  foreach my $file (keys %clean_files)
+  foreach my $file (sort keys %clean_files)
     {
       my $when = $clean_files{$file};
       prog_error 'invalid entry in %clean_files'
@@ -4767,7 +4767,7 @@ sub handle_factored_dependencies ()
 	       . "not 'install-hook'");
 
   # Install the -local hooks.
-  foreach (keys %dependencies)
+  foreach (sort keys %dependencies)
     {
       # Hooks are installed on the -am targets.
       s/-am$// or next;
@@ -4789,7 +4789,7 @@ sub handle_factored_dependencies ()
     }
 
   # All the required targets are phony.
-  depend ('.PHONY', keys %required_targets);
+  depend ('.PHONY', sort keys %required_targets);
 
   # Actually output gathered targets.
   foreach (sort target_cmp keys %dependencies)
@@ -5265,7 +5265,7 @@ sub scan_autoconf_traces
   # has a precise meaning for AC_CONFIG_FILES and so on.
   $traces .= join (' ',
 		   map { "--trace=$_" . ':\$f:\$l::\$d::\$n::\${::}%' }
-		   (keys %traced));
+		   (sort keys %traced));
 
   verb "running WARNINGS=$ENV{WARNINGS} $traces";
   my $tracefh = new Automake::XFile ("$traces $filename |");
@@ -5842,7 +5842,7 @@ sub lang_vala_finish ()
 {
   my ($self) = @_;
 
-  foreach my $prog (keys %known_programs)
+  foreach my $prog (sort keys %known_programs)
     {
       lang_vala_finish_target ($self, $prog);
     }