speed up package prereq check (only run make on those directories that actually conta...

[openwrt-10.03/.git] / scripts / gen_deps.pl

diff --git a/scripts/gen_deps.pl b/scripts/gen_deps.pl
index de8572c762bedc58121ad7d66331a09645afabee..e7daf18866be50384a5b8cbf516eabdf3d627349 100755 (executable)
--- a/scripts/gen_deps.pl
+++ b/scripts/gen_deps.pl
@@ -1,11 +1,27 @@
 #!/usr/bin/perl
+# 
+# Copyright (C) 2006 OpenWrt.org
+#
+# This is free software, licensed under the GNU General Public License v2.
+# See /LICENSE for more information.
+#
+
 use strict;
 
 my $name;
 my $src;
 my $makefile;
+my %conf;
 my %pkg;
+my %prereq;
+my $prereq;
 my %dep;
+my %options;
+my $opt;
+
+while ($opt = shift @ARGV) {
+       $opt =~ /^-s/ and $options{SDK} = 1;
+}
 
 my $line;
 while ($line = <>) {
@@ -19,6 +35,10 @@ while ($line = <>) {
                defined $pkg{$name} or $pkg{$name} = {};
                $pkg{$name}->{src} = $src;
        };
+       $line =~ /^Prereq-Check:/ and !defined $prereq{$src} and do {
+               $prereq{$src} = 1;
+               $prereq .= "package-prereq += $src\n";
+       };
        $line =~ /^(Build-)?Depends: \s*(.+)\s*$/ and do {
                $pkg{$name}->{depends} ||= [];
                foreach my $v (split /\s+/, $2) {
@@ -32,7 +52,12 @@ while ($line = <>) {
 $line="";
 
 foreach $name (sort {uc($a) cmp uc($b)} keys %pkg) {
-       print "package-\$(CONFIG_PACKAGE_$name) += $pkg{$name}->{src}\n";
+       if ($options{SDK}) {
+               $conf{$pkg{$name}->{src}} or print "package-m += $pkg{$name}->{src}\n";
+               $conf{$pkg{$name}->{src}} = 1;
+       } else {
+               print "package-\$(CONFIG_PACKAGE_$name) += $pkg{$name}->{src}\n";
+       }
 
        my $hasdeps = 0;
        my $depline = "";
@@ -40,9 +65,10 @@ foreach $name (sort {uc($a) cmp uc($b)} keys %pkg) {
                my $idx;
                if (defined $pkg{$dep}->{src}) {
                        ($pkg{$name}->{src} ne $pkg{$dep}->{src}) and $idx = $pkg{$dep}->{src};
-               } elsif (defined $pkg{$dep}) {
+               } elsif (defined($pkg{$dep}) && !$options{SDK}) {
                        $idx = $dep;
                }
+               undef $idx if $idx =~ /^(kernel)|(base-files)$/;
                if ($idx) {
                        next if $dep{$pkg{$name}->{src}."->".$idx};
                        $depline .= " $idx\-compile";
@@ -55,5 +81,5 @@ foreach $name (sort {uc($a) cmp uc($b)} keys %pkg) {
 }
 
 if ($line ne "") {
-       print "\n$line";
+       print "\n$line\n$prereq";
 }