Configure

if($IsWindows) {
	open (OUT,">crypto/buildinf.h") || die "Can't open buildinf.h";
	printf OUT <<EOF;
#ifndef MK1MF_BUILD
  /* auto-generated by Configure for crypto/cversion.c:
   * for Unix builds, crypto/Makefile.ssl generates functional definitions;
   * Windows builds (and other mk1mf builds) compile cversion.c with
   * -DMK1MF_BUILD and use definitions added to this file by util/mk1mf.pl. */
  #error "Windows builds (PLATFORM=$target) use mk1mf.pl-created Makefiles"
#endif
EOF
	close(OUT);
} else {
	(system "make -f Makefile.ssl PERL=\'$perl\' links") == 0 or exit $?
		if $symlink;
	### (system 'make depend') == 0 or exit $? if $depflags ne "";
	# Run "make depend" manually if you want to be able to delete
	# the source code files of ciphers you left out.
	if ( $perl =~ m@^/@) {
	    &dofile("tools/c_rehash",$perl,'^#!/', '#!%s','^my \$dir;$', 'my $dir = "' . $openssldir . '";');
	    &dofile("apps/der_chop",$perl,'^#!/', '#!%s');
	    &dofile("apps/CA.pl",$perl,'^#!/', '#!%s');
	} else {
	    # No path for Perl known ...
	    &dofile("tools/c_rehash",'/usr/local/bin/perl','^#!/', '#!%s','^my \$dir;$', 'my $dir = "' . $openssldir . '";');
	    &dofile("apps/der_chop",'/usr/local/bin/perl','^#!/', '#!%s');
	    &dofile("apps/CA.pl",'/usr/local/bin/perl','^#!/', '#!%s');
	}	    
}

print <<EOF;

Configured for $target.
EOF

print <<\EOF if (!$no_threads && !$threads);

The library could not be configured for supporting multi-threaded
applications as the compiler options required on this system are not known.
See file INSTALL for details if you need multi-threading.
EOF

exit(0);

sub usage
	{
	print STDERR $usage;
	print STDERR "\npick os/compiler from:\n";
	my $j=0;
	my $i;
        my $k=0;
	foreach $i (sort keys %table)
		{
		next if $i =~ /^debug/;
		$k += length($i) + 1;
		if ($k > 78)
			{
			print STDERR "\n";
			$k=length($i);
			}
		print STDERR $i . " ";
		}
	foreach $i (sort keys %table)
		{
		next if $i !~ /^debug/;
		$k += length($i) + 1;
		if ($k > 78)
			{
			print STDERR "\n";
			$k=length($i);
			}
		print STDERR $i . " ";
		}
	print STDERR "\n\nNOTE: If in doubt, on Unix-ish systems use './config'.\n";
	exit(1);
	}

sub which
	{
	my($name)=@_;
	my $path;
	foreach $path (split /:/, $ENV{PATH})
		{
		if (-f "$path/$name" and -x _)
			{
			return "$path/$name" unless ($name eq "perl" and
			 system("$path/$name -e " . '\'exit($]<5.0);\''));
			}
		}
	}

sub dofile
	{
	my $f; my $p; my %m; my @a; my $k; my $ff;
	($f,$p,%m)=@_;

	open(IN,"<$f.in") || open(IN,"<$f") || die "unable to open $f:$!\n";
	@a=<IN>;
	close(IN);
	foreach $k (keys %m)
		{
		grep(/$k/ && ($_=sprintf($m{$k}."\n",$p)),@a);
		}
	open(OUT,">$f.new") || die "unable to open $f.new:$!\n";
	print OUT @a;
	close(OUT);
	rename($f,"$f.bak") || die "unable to rename $f\n" if -e $f;
	rename("$f.new",$f) || die "unable to rename $f.new\n";
	}

sub print_table_entry
	{
	my $target = shift;

	(my $cc,my $cflags,my $unistd,my $thread_cflag,my $lflags,my $bn_ops,
	my $bn_obj,my $des_obj,my $bf_obj,
	my $md5_obj,my $sha1_obj,my $cast_obj,my $rc4_obj,my $rmd160_obj,
	my $rc5_obj,my $dso_scheme,my $shared_target,my $shared_cflag)=
	split(/\s*:\s*/,$table{$target} . ":" x 22 , -1);
			
	print <<EOF

*** $target
\$cc           = $cc
\$cflags       = $cflags
\$unistd       = $unistd
\$thread_cflag = $thread_cflag
\$lflags       = $lflags
\$bn_ops       = $bn_ops
\$bn_obj       = $bn_obj
\$des_obj      = $des_obj
\$bf_obj       = $bf_obj
\$md5_obj      = $md5_obj
\$sha1_obj     = $sha1_obj
\$cast_obj     = $cast_obj
\$rc4_obj      = $rc4_obj
\$rmd160_obj   = $rmd160_obj
\$rc5_obj      = $rc5_obj
\$dso_scheme   = $dso_scheme
\$shared_target= $shared_target
\$shared_cflag = $shared_cflag
EOF
	}