add support for bsd md5 as a md5sum replacement

git-svn-id: svn://svn.openwrt.org/openwrt/branches/buildroot-ng/openwrt@5016 3c298f89-4303-0410-b956-a3cf2f4a3e73

diff --git a/scripts/download.pl b/scripts/download.pl
index bf463ef..009ed3b 100755 (executable)
--- a/scripts/download.pl
+++ b/scripts/download.pl
@@ -18,12 +18,16 @@ my $ok;
 
 @ARGV > 0 or die "Syntax: $0 <target dir> <filename> <md5sum> <mirror> [<mirror> ...]\n";
 
+my $md5cmd = `which md5sum`;
+$md5cmd =~ /not found/ and $md5cmd = `which md5`;
+$md5cmd =~ /not found/ and die 'no md5 checksum program found, please install md5 or md5sum';
+
 sub download
 {
        my $mirror = shift;
-       
+
        open WGET, "wget -t1 --timeout=20 -O- \"$mirror/$filename\" |" or die "Cannot launch wget.\n";
-       open MD5SUM, "| md5sum > \"$target/$filename.md5sum\"" or die "Cannot launch md5sum.\n";
+       open MD5SUM, "| $md5cmd > \"$target/$filename.md5sum\"" or die "Cannot launch md5sum.\n";
        open OUTPUT, "> $target/$filename.dl" or die "Cannot create file $target/$filename.dl: $!\n";
        my $buffer;
        while (read WGET, $buffer, 1048576) {