configure

mediastreamer2是开源的网络传输媒体流的库

				{ $options = $_; }
			else
				{ $options .= " ".$_; }
			}
		}
	}



if ($processor eq "386")
	{
	$disabled{"sse2"} = "forced";
	}

if (!defined($withargs{"krb5-flavor"}) || $withargs{"krb5-flavor"} eq "")
	{
	$disabled{"krb5"} = "krb5-flavor not specified";
	}

if (!defined($disabled{"zlib-dynamic"}))
	{
	# "zlib-dynamic" was specifically enabled, so enable "zlib"
	delete $disabled{"zlib"};
	}

if (defined($disabled{"rijndael"}))
	{
	$disabled{"aes"} = "forced";
	}
if (defined($disabled{"des"}))
	{
	$disabled{"mdc2"} = "forced";
	}
if (defined($disabled{"ec"}))
	{
	$disabled{"ecdsa"} = "forced";
	$disabled{"ecdh"} = "forced";
	}

# SSL 2.0 requires MD5 and RSA
if (defined($disabled{"md5"}) || defined($disabled{"rsa"}))
	{
	$disabled{"ssl2"} = "forced";
	}

# SSL 3.0 and TLS requires MD5 and SHA and either RSA or DSA+DH
if (defined($disabled{"md5"}) || defined($disabled{"sha"})
    || (defined($disabled{"rsa"})
        && (defined($disabled{"dsa"}) || defined($disabled{"dh"}))))
	{
	$disabled{"ssl3"} = "forced";
	$disabled{"tls1"} = "forced";
	}


if ($target eq "TABLE") {
	foreach $target (sort keys %table) {
		print_table_entry($target);
	}
	exit 0;
}

if ($target eq "LIST") {
	foreach (sort keys %table) {
		print;
		print "\n";
	}
	exit 0;
}

if ($target =~ m/^CygWin32(-.*)$/) {
	$target = "Cygwin".$1;
}

print "Configuring for $target\n";

&usage if (!defined($table{$target}));


foreach (sort (keys %disabled))
	{
	$options .= " no-$_";

	printf "    no-%-12s %-10s", $_, "[$disabled{$_}]";

	if (/^dso$/)
		{ $no_dso = 1; }
	elsif (/^threads$/)
		{ $no_threads = 1; }
	elsif (/^shared$/)
		{ $no_shared = 1; }
	elsif (/^zlib$/)
		{ $zlib = 0; }
	elsif (/^zlib-dynamic$/)
		{ }
	elsif (/^symlinks$/)
		{ $symlink = 0; }
	elsif (/^sse2$/)
		{ $no_sse2 = 1; }
	else
		{
		my ($ALGO, $algo);
		($ALGO = $algo = $_) =~ tr/[a-z]/[A-Z]/;

		if (/^asm$/ || /^err$/ || /^hw$/ || /^hw-/)
			{
			$openssl_other_defines .= "#define OPENSSL_NO_$ALGO\n";
			print " OPENSSL_NO_$ALGO";
		
			if (/^err$/)	{ $flags .= "-DOPENSSL_NO_ERR "; }
			elsif (/^asm$/)	{ $no_asm = 1; }
			}
		else
			{
			$openssl_algorithm_defines .= "#define OPENSSL_NO_$ALGO\n";
			print " OPENSSL_NO_$ALGO";

			if (/^krb5$/)
				{ $no_krb5 = 1; }
			else
				{
				push @skip, $algo;
				print " (skip dir)";

				$depflags .="-DOPENSSL_NO_$ALGO ";
				}
			}
		}

	print "\n";
	}


my $IsMK1MF=scalar grep /^$target$/,@MK1MF_Builds;

$IsMK1MF=1 if ($target eq "mingw" && $^O ne "cygwin");

$exe_ext=".exe" if ($target eq "Cygwin" || $target eq "DJGPP" || $target eq "mingw");
$exe_ext=".pm"  if ($target =~ /vos/);
$openssldir="/usr/local/ssl" if ($openssldir eq "" and $prefix eq "");
$prefix=$openssldir if $prefix eq "";

$default_ranlib= &which("ranlib") or $default_ranlib="true";
$perl=$ENV{'PERL'} or $perl=&which("perl5") or $perl=&which("perl")
  or $perl="perl";

chop $openssldir if $openssldir =~ /\/$/;
chop $prefix if $prefix =~ /\/$/;

$openssldir=$prefix . "/ssl" if $openssldir eq "";
$openssldir=$prefix . "/" . $openssldir if $openssldir !~ /(^\/|^[a-zA-Z]:[\\\/])/;


print "IsMK1MF=$IsMK1MF\n";

my @fields = split(/\s*:\s*/,$table{$target} . ":" x 30 , -1);
my $cc = $fields[$idx_cc];
my $cflags = $fields[$idx_cflags];
my $unistd = $fields[$idx_unistd];
my $thread_cflag = $fields[$idx_thread_cflag];
my $sys_id = $fields[$idx_sys_id];
my $lflags = $fields[$idx_lflags];
my $bn_ops = $fields[$idx_bn_ops];
my $cpuid_obj = $fields[$idx_cpuid_obj];
my $bn_obj = $fields[$idx_bn_obj];
my $des_obj = $fields[$idx_des_obj];
my $aes_obj = $fields[$idx_aes_obj];
my $bf_obj = $fields[$idx_bf_obj];
my $md5_obj = $fields[$idx_md5_obj];
my $sha1_obj = $fields[$idx_sha1_obj];
my $cast_obj = $fields[$idx_cast_obj];
my $rc4_obj = $fields[$idx_rc4_obj];
my $rmd160_obj = $fields[$idx_rmd160_obj];
my $rc5_obj = $fields[$idx_rc5_obj];
my $dso_scheme = $fields[$idx_dso_scheme];
my $shared_target = $fields[$idx_shared_target];
my $shared_cflag = $fields[$idx_shared_cflag];
my $shared_ldflag = $fields[$idx_shared_ldflag];
my $shared_extension = $fields[$idx_shared_extension];
my $ranlib = $fields[$idx_ranlib];
my $arflags = $fields[$idx_arflags];

my $no_shared_warn=0;
my $no_user_cflags=0;

if ($flags ne "")	{ $cflags="$flags$cflags"; }
else			{ $no_user_cflags=1;       }

# Kerberos settings.  The flavor must be provided from outside, either through
# the script "config" or manually.
if (!$no_krb5)
	{
	my ($lresolv, $lpath, $lext);
	if ($withargs{"krb5-flavor"} =~ /^[Hh]eimdal$/)
		{
		die "Sorry, Heimdal is currently not supported\n";
		}
	##### HACK to force use of Heimdal.
	##### WARNING: Since we don't really have adequate support for Heimdal,
	#####          using this will break the build.  You'll have to make
	#####          changes to the source, and if you do, please send
	#####          patches to [e-mail]
	if ($withargs{"krb5-flavor"} =~ /^force-[Hh]eimdal$/)
		{
		warn "Heimdal isn't really supported.  Your build WILL break\n";
		warn "If you fix the problems, please send a patch to openssl-dev\@openssl.org\n";
		$withargs{"krb5-dir"} = "/usr/heimdal"
			if $withargs{"krb5-dir"} eq "";
		$withargs{"krb5-lib"} = "-L".$withargs{"krb5-dir"}.
			"/lib -lgssapi -lkrb5 -lcom_err"
			if $withargs{"krb5-lib"} eq "" && !$IsMK1MF;
		$cflags="-DKRB5_HEIMDAL $cflags";
		}
	if ($withargs{"krb5-flavor"} =~ /^[Mm][Ii][Tt]/)
		{
		$withargs{"krb5-dir"} = "/usr/kerberos"
			if $withargs{"krb5-dir"} eq "";
		$withargs{"krb5-lib"} = "-L".$withargs{"krb5-dir"}.
			"/lib -lgssapi_krb5 -lkrb5 -lcom_err -lk5crypto"
			if $withargs{"krb5-lib"} eq "" && !$IsMK1MF;
		$cflags="-DKRB5_MIT $cflags";
		$withargs{"krb5-flavor"} =~ s/^[Mm][Ii][Tt][._-]*//;
		if ($withargs{"krb5-flavor"} =~ /^1[._-]*[01]/)
			{
			$cflags="-DKRB5_MIT_OLD11 $cflags";
			}
		}
	LRESOLV:
	foreach $lpath ("/lib", "/usr/lib")
		{
		foreach $lext ("a", "so")
			{
			$lresolv = "$lpath/libresolv.$lext";
			last LRESOLV	if (-r "$lresolv");
			$lresolv = "";
			}
		}
	$withargs{"krb5-lib"} .= " -lresolv"
		if ("$lresolv" ne "");
	$withargs{"krb5-include"} = "-I".$withargs{"krb5-dir"}."/include"
		if $withargs{"krb5-include"} eq "" &&
		   $withargs{"krb5-dir"} ne "";
	}

# The DSO code currently always implements all functions so that no
# applications will have to worry about that from a compilation point
# of view. However, the "method"s may return zero unless that platform
# has support compiled in for them. Currently each method is enabled
# by a define "DSO_<name>" ... we translate the "dso_scheme" config
# string entry into using the following logic;
my $dso_cflags;
if (!$no_dso && $dso_scheme ne "")
	{
	$dso_scheme =~ tr/[a-z]/[A-Z]/;
	if ($dso_scheme eq "DLFCN")
		{
		$dso_cflags = "-DDSO_DLFCN -DHAVE_DLFCN_H";
		}