+if ($generate_depends) {
+
+ my $tmpfilename = "${generate_depends}.tmp";
+ my $outfh = IO::File->new($tmpfilename, "w") ||
+ die "unable to open temporary file '$tmpfilename'\n";
+
+ my $depends = {};
+ foreach my $e (@$start_env) {
+ my $env_data = $fileinfo->{include}->{$e};
+ foreach my $fn (keys %$env_data) {
+ foreach my $dep (keys %{$env_data->{$fn}}) {
+ $depends->{$fn}->{$dep} = 1;
+ }
+ }
+ }
+
+ my $res = '';
+
+ my $depend_varname_hash = {};
+
+ foreach my $fn (sort keys %$depends) {
+ my $basename = uc($fn);
+ $basename =~s/\.adoc$//i;
+ $basename =~s/[^A-Za-z0-9]/_/g;
+
+ my $var1text = "${basename}_ADOCSOURCES =";
+ my $var2text = "${basename}_ADOCDEPENDS = \$\{${basename}_ADOCSOURCES\}";
+ $depend_varname_hash->{$fn} = "${basename}_ADOCDEPENDS";
+
+ foreach my $dep (sort keys %{$depends->{$fn}}) {
+ if ($dep =~ m/-(opts|synopsis).adoc$/) {
+ $var2text .= " \\\n\t$dep";
+ } else {
+ $var1text .= " \\\n\t$dep";
+ }
+ }
+ $res .= "$var1text\n\n";
+ $res .= "$var2text\n\n";
+ }
+
+ my $man_sources_hash = {};
+ foreach my $e (@$start_env) {
+ my $filelist = $fileinfo->{outfile}->{$e};
+ foreach my $sourcefile (sort keys %$filelist) {
+ my $varname = $depend_varname_hash->{$sourcefile};
+ my $target = $filelist->{$sourcefile};
+ $res .= "$target: \$\{$varname\}\n\n";
+
+ if ($e eq 'manvolnum') {
+ $man_sources_hash->{$sourcefile} = 1;
+
+ $res .= "$target.html: \$\{$varname\}\n\n";
+ $res .= "$target-plain.html: \$\{$varname\}\n\n";
+ }
+ }
+ }
+
+ my $varname = "MANUAL_SOURCES";
+ $res .= "$varname =";
+ foreach my $sourcefile (sort keys %$man_sources_hash) {
+ $res .= " \\\n\t$sourcefile";
+ }
+ $res .= "\n\n";
+
+ $varname = "CHAPTER_LIST";
+ $res .= "$varname =";
+ my $filelist = $fileinfo->{outfile}->{default};
+ foreach my $sourcefile (sort keys %$filelist) {
+ my $target = $filelist->{$sourcefile};
+ $res .= " \\\n\t$target";
+ }
+ $res .= "\n\n";
+
+ $varname = "MANUAL_PAGES";
+ $res .= "$varname =";
+ $filelist = $fileinfo->{outfile}->{manvolnum};
+ foreach my $manpage (sort keys %$filelist) {
+ my $target = $filelist->{$manpage};
+ $res .= " \\\n\t$target";
+ }
+ $res .= "\n\n";
+
+ $varname = "WIKI_IMPORTS";
+ $res .= "$varname =";
+ $filelist = $fileinfo->{outfile}->{wiki};
+ foreach my $sourcefile (sort keys %$filelist) {
+ my $target = $filelist->{$sourcefile};
+ $res .= " \\\n\t$target";
+ }
+ $res .= "\n\n";
+
+ print $outfh $res;
+ close($outfh);
+
+ rename($tmpfilename, $generate_depends) ||
+ die "rename failed - $!";
+}