Makefile.common: Rework gendep mechanism

Fix the FIXME to also automatically print
gettext dependencies. Do this by moving the
detection code from inline shell to a separate
gendep.pl perl script which allows for easier
pattern matching.

Also update the output of gendep in Makefile.common.
Apparently it was quite old.

CVS version numbers

Makefile.common: 1.109 -> 1.110 
gendep.pl: INITIAL -> 1.1

1 files changed, 26 insertions, 0 deletions

diff --git a/gendep.pl b/gendep.pl
new file mode 100755
index 00000000000..83c4f695208
--- /dev/null
+++ b/gendep.pl
@@ -0,0 +1,26 @@
+#!/usr/bin/perl
+use strict;
+use warnings;
+
+my $file = $ARGV[0];
+
+open my $fh, '<', $file or die "couldn't open file $file: $!\n";
+my @templates;
+my @locales;
+while( my $line = <$fh> ){
+    if( $line =~ /^#use wml::debian::(\S+)/ ){
+	next if $1 eq 'openrecode';
+	push @templates, $1;
+    }elsif( $line =~ /bind-gettext-domain\s+domain="(\S+)"/ ){
+	push @locales, $1;
+    }
+}
+close $fh or warn "couldn't close file $file: $!\n";
+
+if( @templates || @locales ){
+    print "X$file: ";
+    print join(' ', map{ s|::|/|g; '$(TEMPLDIR)/'.$_.'.wml' } @templates) if @templates;
+    print ' ' if @templates && @locales;
+    print join(' ', map{ '$(callXlocale,'.$_.')' } @locales) if @locales;
+    print "\n";
+}