1 files changed, 147 insertions, 0 deletions
diff --git a/openssl/util/src-dep.pl b/openssl/util/src-dep.pl
new file mode 100644
index 000000000..ad997e474
--- /dev/null
+++ b/openssl/util/src-dep.pl
@@ -0,0 +1,147 @@
+#!/usr/local/bin/perl
+
+# we make up an array of
+# $file{function_name}=filename;
+# $unres{filename}="func1 func2 ...."
+$debug=1;
+#$nm_func="parse_linux";
+$nm_func="parse_solaris";
+
+foreach (@ARGV)
+	{
+	&$nm_func($_);
+	}
+
+foreach $file (sort keys %unres)
+	{
+	@a=split(/\s+/,$unres{$file});
+	%ff=();
+	foreach $func (@a)
+		{
+		$f=$file{$func};
+		$ff{$f}=1 if $f ne "";
+		}
+
+	foreach $a (keys %ff)
+		{ $we_need{$file}.="$a "; }
+	}
+
+foreach $file (sort keys %we_need)
+	{
+#	print "	$file $we_need{$file}\n";
+	foreach $bit (split(/\s+/,$we_need{$file}))
+		{ push(@final,&walk($bit)); }
+
+	foreach (@final) { $fin{$_}=1; }
+	@final="";
+	foreach (sort keys %fin)
+		{ push(@final,$_); }
+
+	print "$file: @final\n";
+	}
+
+sub walk
+	{
+	local($f)=@_;
+	local(@a,%seen,@ret,$r);
+
+	@ret="";
+	$f =~ s/^\s+//;
+	$f =~ s/\s+$//;
+	return "" if ($f =~ "^\s*$");
+
+	return(split(/\s/,$done{$f})) if defined ($done{$f});
+
+	return if $in{$f} > 0;
+	$in{$f}++;
+	push(@ret,$f);
+	foreach $r (split(/\s+/,$we_need{$f}))
+		{
+		push(@ret,&walk($r));
+		}
+	$in{$f}--;
+	$done{$f}=join(" ",@ret);
+	return(@ret);
+	}
+
+sub parse_linux
+	{
+	local($name)=@_;
+
+	open(IN,"nm $name|") || die "unable to run 'nn $name':$!\n";
+	while (<IN>)
+		{
+		chop;
+		next if /^\s*$/;
+		if (/^[^[](.*):$/)
+			{
+			$file=$1;
+			$file="$1.c" if /\[(.*).o\]/;
+			print STDERR "$file\n";
+			$we_need{$file}=" ";
+			next;
+			}
+
+		@a=split(/\s*\|\s*/);
+		next unless $#a == 7;
+		next unless $a[4] eq "GLOB";
+		if ($a[6] eq "UNDEF")
+			{
+			$unres{$file}.=$a[7]." ";
+			}
+		else
+			{
+			if ($file{$a[7]} ne "")
+				{
+				print STDERR "duplicate definition of $a[7],\n$file{$a[7]} and $file \n";
+				}
+			else
+				{
+				$file{$a[7]}=$file;
+				}
+			}
+		}
+	close(IN);
+	}
+
+sub parse_solaris
+	{
+	local($name)=@_;
+
+	open(IN,"nm $name|") || die "unable to run 'nn $name':$!\n";
+	while (<IN>)
+		{
+		chop;
+		next if /^\s*$/;
+		if (/^(\S+):$/)
+			{
+			$file=$1;
+			#$file="$1.c" if $file =~ /^(.*).o$/;
+			print STDERR "$file\n";
+			$we_need{$file}=" ";
+			next;
+			}
+		@a=split(/\s*\|\s*/);
+		next unless $#a == 7;
+		next unless $a[4] eq "GLOB";
+		if ($a[6] eq "UNDEF")
+			{
+			$unres{$file}.=$a[7]." ";
+			print STDERR "$file needs $a[7]\n" if $debug;
+			}
+		else
+			{
+			if ($file{$a[7]} ne "")
+				{
+				print STDERR "duplicate definition of $a[7],\n$file{$a[7]} and $file \n";
+				}
+			else
+				{
+				$file{$a[7]}=$file;
+				print STDERR "$file has $a[7]\n" if $debug;
+				}
+			}
+		}
+	close(IN);
+	}
+