55-aclocal-m4-in-configure-am.patch

[Akim Demaille]

Index: ChangeLog
from  Akim Demaille  <address@hidden>

        * automake.in (&handle_aclocal_m4): Rename as...
        (&scan_aclocal_m4): this.
        Return the list of aclocal.m4 dependencies.
        (&handle_configure): Invoke it, and use it when loading...
        * configure.am: Template the rules to recreate aclocal.m4.

Index: Makefile.in
--- Makefile.in Sun, 11 Mar 2001 20:39:39 +0100 akim (am/h/16_Makefile.i 1.48 
644)
+++ Makefile.in Sun, 11 Mar 2001 20:53:32 +0100 akim (am/h/16_Makefile.i 1.48 
644)
@@ -156,8 +156,9 @@
        $(SHELL) ./config.status --recheck
 $(srcdir)/configure:  $(srcdir)/configure.in $(ACLOCAL_M4) 
$(CONFIGURE_DEPENDENCIES)
        cd $(srcdir) && $(AUTOCONF)
-$(ACLOCAL_M4): configure.in
-       cd $(srcdir) && $(ACLOCAL)
+
+$(ACLOCAL_M4):  configure.in
+       cd $(srcdir) && $(ACLOCAL) $(ACLOCAL_AMFLAGS)
 automake: $(top_builddir)/config.status automake.in
        cd $(top_builddir) && CONFIG_FILES=$@ CONFIG_HEADERS= CONFIG_LINKS= 
$(SHELL) ./config.status
 aclocal: $(top_builddir)/config.status aclocal.in
Index: automake.in
--- automake.in Sun, 11 Mar 2001 20:39:39 +0100 akim (am/f/39_automake.i 1.174 
755)
+++ automake.in Sun, 11 Mar 2001 20:53:04 +0100 akim (am/f/39_automake.i 1.174 
755)
@@ -3246,8 +3246,12 @@ sub handle_subdirs
     $output_rules .= &file_contents ('subdirs');
 }

-# Handle aclocal.m4.
-sub handle_aclocal_m4
+
+# @DEPENDENCIES
+# &scan_aclocal_m4
+# ----------------
+# If aclocal.m4 creation is automated, return the list of its dependencies.
+sub scan_aclocal_m4
 {
     my $regen_aclocal = 0;
     if (-f 'aclocal.m4')
@@ -3275,55 +3279,46 @@ sub handle_aclocal_m4
        $acinclude = 1;
     }

+    return ()
+      unless $regen_aclocal;
+
     # Note that it might be possible that aclocal.m4 doesn't exist but
     # should be auto-generated.  This case probably isn't very
     # important.
-    if ($regen_aclocal)
-    {
-       my @ac_deps = (($seen_maint_mode ? "address@hidden@": "") ,
-                      $configure_ac,
-                      ($acinclude ? ' acinclude.m4' : ''));
+    my @ac_deps = ($acinclude ? ' acinclude.m4' : '');

-       if (&variable_defined ('ACLOCAL_M4_SOURCES'))
-       {
-           push (@ac_deps, "\$(ACLOCAL_M4_SOURCES)");
-       }
-       elsif (&variable_defined ('ACLOCAL_AMFLAGS'))
+    if (&variable_defined ('ACLOCAL_M4_SOURCES'))
+    {
+       push (@ac_deps, '$(ACLOCAL_M4_SOURCES)');
+    }
+    elsif (&variable_defined ('ACLOCAL_AMFLAGS'))
+    {
+       # Scan all -I directories for m4 files.  These are our
+       # dependencies.
+       my $examine_next = 0;
+       foreach my $amdir (&variable_value_as_list ('ACLOCAL_AMFLAGS', ''))
        {
-           # Scan all -I directories for m4 files.  These are our
-           # dependencies.
-           my $examine_next = 0;
-           foreach my $amdir (&variable_value_as_list ('ACLOCAL_AMFLAGS', ''))
+           if ($examine_next)
            {
-               if ($examine_next)
+               $examine_next = 0;
+               if ($amdir !~ /^\// && -d $amdir)
                {
-                   $examine_next = 0;
-                   if ($amdir !~ /^\// && -d $amdir)
+                   foreach my $ac_dep (&my_glob ($amdir . '/*.m4'))
                    {
-                       foreach my $ac_dep (&my_glob ($amdir . '/*.m4'))
-                       {
-                           $ac_dep =~ s/^\.\/+//;
-                           push (@ac_deps, $ac_dep)
-                               unless $ac_dep eq "aclocal.m4"
-                                   || $ac_dep eq "acinclude.m4";
-                       }
+                       $ac_dep =~ s/^\.\/+//;
+                       push (@ac_deps, $ac_dep)
+                         unless $ac_dep eq "aclocal.m4"
+                           || $ac_dep eq "acinclude.m4";
                    }
                }
-               elsif ($amdir eq '-I')
-               {
-                   $examine_next = 1;
-               }
+           }
+           elsif ($amdir eq '-I')
+           {
+               $examine_next = 1;
            }
        }
-
-       &pretty_print_rule ("\$(ACLOCAL_M4):", "\t\t", @ac_deps);
-
-       $output_rules .=  ("\t"
-                          . 'cd $(srcdir) && $(ACLOCAL)'
-                          . (&variable_defined ('ACLOCAL_AMFLAGS')
-                             ? ' $(ACLOCAL_AMFLAGS)' : '')
-                          . "\n");
     }
+    return @ac_deps;
 }

 # Rewrite a list of input files into a form suitable to put on a
@@ -3380,6 +3375,15 @@ sub handle_configure

     my @rewritten = &rewrite_inputs_into_dependencies (1, @secondary_inputs);

+    my @aclocal_m4_deps;
+    if ($relative_dir eq '.')
+    {
+        @aclocal_m4_deps = &scan_aclocal_m4 ();
+       &examine_variable ('CONFIG_STATUS_DEPENDENCIES');
+       &examine_variable ('CONFIGURE_DEPENDENCIES');
+    }
+
+
     $output_rules .=
       &file_contents ('configure',
                      ('MAKEFILE'
@@ -3400,11 +3404,12 @@ sub handle_configure
                       'USE-DEPS'
                       => $cmdline_use_dependencies ? '' : ' --ignore-deps',
                       'MAKEFILE-AM-SOURCES'
-                      =>  "$input$colon_infile"));
+                      =>  "$input$colon_infile",
+                      'ACLOCAL_M4_DEPS'
+                      => join (' ', @aclocal_m4_deps)));

     if ($relative_dir eq '.')
     {
-       &handle_aclocal_m4;
        &examine_variable ('CONFIG_STATUS_DEPENDENCIES');
        &examine_variable ('CONFIGURE_DEPENDENCIES');

Index: configure.am
--- configure.am Sun, 11 Mar 2001 20:39:39 +0100 akim (am/h/32_configure. 1.5 
644)
+++ configure.am Sun, 11 Mar 2001 20:53:47 +0100 akim (am/h/32_configure. 1.5 
644)
@@ -34,9 +34,9 @@



-## ----------------------- ##
-## Bulding config.status.  ##
-## ----------------------- ##
+## --------------- ##
+## config.status.  ##
+## --------------- ##

 if %?TOPDIR_P%
 ## Explicitly look in srcdir for benefit of non-GNU makes.
@@ -45,4 +45,15 @@
 ## Explicitly look in srcdir for benefit of non-GNU makes.
 $(srcdir)/configure: %MAINTAINER-MODE% $(srcdir)/%CONFIGURE-AC% $(ACLOCAL_M4) 
$(CONFIGURE_DEPENDENCIES)
        cd $(srcdir) && $(AUTOCONF)
+endif %?TOPDIR_P%
+
+
+
+## ------------ ##
+## aclocal.m4.  ##
+## ------------ ##
+
+if %?TOPDIR_P%
+$(ACLOCAL_M4): %MAINTAINER-MODE% %CONFIGURE-AC% %ACLOCAL_M4_DEPS%
+       cd $(srcdir) && $(ACLOCAL) $(ACLOCAL_AMFLAGS)
 endif %?TOPDIR_P%