configure

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	elsif ($dso_scheme eq "DLFCN_NO_H")
		{
		$dso_cflags = "-DDSO_DLFCN";
		}
	else
		{
		$dso_cflags = "-DDSO_$dso_scheme";
		}
	$cflags = "$dso_cflags $cflags";
	}

my $thread_cflags;
my $thread_defines;
if ($thread_cflag ne "(unknown)" && !$no_threads)
	{
	# If we know how to do it, support threads by default.
	$threads = 1;
	}
if ($thread_cflag eq "(unknown)" && $threads)
	{
	# If the user asked for "threads", [s]he is also expected to
	# provide any system-dependent compiler options that are
	# necessary.
	if ($no_user_cflags)
		{
		print "You asked for multi-threading support, but didn't\n";
		print "provide any system-specific compiler options\n";
		exit(1);
		}
	$thread_cflags="-DOPENSSL_THREADS $cflags" ;
	$thread_defines .= "#define OPENSSL_THREADS\n";
	}
else
	{
	$thread_cflags="-DOPENSSL_THREADS $thread_cflag $cflags";
	$thread_defines .= "#define OPENSSL_THREADS\n";
#	my $def;
#	foreach $def (split ' ',$thread_cflag)
#		{
#		if ($def =~ s/^-D// && $def !~ /^_/)
#			{
#			$thread_defines .= "#define $def\n";
#			}
#		}
	}	

$lflags="$libs$lflags" if ($libs ne "");

if ($no_asm)
	{
	$cpuid_obj=$bn_obj=$des_obj=$aes_obj=$bf_obj=$cast_obj=$rc4_obj=$rc5_obj="";
	$sha1_obj=$md5_obj=$rmd160_obj="";
	}

if (!$no_shared)
	{
	$cast_obj="";	# CAST assembler is not PIC
	}

if ($threads)
	{
	$cflags=$thread_cflags;
	$openssl_thread_defines .= $thread_defines;
	}

if ($zlib)
	{
	$cflags = "-DZLIB $cflags";
	if (defined($disabled{"zlib-dynamic"}))
		{
		$lflags = "$lflags -lz";
		}
	else
		{
		$cflags = "-DZLIB_SHARED $cflags";
		}
	}

# You will find shlib_mark1 and shlib_mark2 explained in Makefile.org
my $shared_mark = "";
if ($shared_target eq "")
	{
	$no_shared_warn = 1 if !$no_shared;
	$no_shared = 1;
	}
if (!$no_shared)
	{
	if ($shared_cflag ne "")
		{
		$cflags = "$shared_cflag -DOPENSSL_PIC $cflags";
		}
	}

if ($no_shared)
	{
	$openssl_other_defines.="#define OPENSSL_NO_DYNAMIC_ENGINE\n";
	}
else
	{
	$openssl_other_defines.="#define OPENSSL_NO_STATIC_ENGINE\n";
	}

$cpuid_obj.=" uplink.o uplink-cof.o" if ($cflags =~ /\-DOPENSSL_USE_APPLINK/);
# Compiler fix-ups
if ($target =~ /icc$/)
	{
	my($iccver)=`$cc -V 2>&1`;
	if ($iccver =~ /Version ([0-9]+)\./)	{ $iccver=$1; }
	else					{ $iccver=0;  }
	if ($iccver>=8)
		{
		# Eliminate unnecessary dependency from libirc.a. This is
		# essential for shared library support, as otherwise
		# apps/openssl can end up in endless loop upon startup...
		$cflags.=" -Dmemcpy=__builtin_memcpy -Dmemset=__builtin_memset";
		}
	}

if ($sys_id ne "")
	{
	#$cflags="-DOPENSSL_SYSNAME_$sys_id $cflags";
	$openssl_sys_defines="#define OPENSSL_SYSNAME_$sys_id\n";
	}

if ($ranlib eq "")
	{
	$ranlib = $default_ranlib;
	}

#my ($bn1)=split(/\s+/,$bn_obj);
#$bn1 = "" unless defined $bn1;
#$bn1=$bn_asm unless ($bn1 =~ /\.o$/);
#$bn_obj="$bn1";

$cpuid_obj="" if ($processor eq "386");

$bn_obj = $bn_asm unless $bn_obj ne "";
# bn86* is the only one implementing bn_*_part_words
$cflags.=" -DOPENSSL_BN_ASM_PART_WORDS" if ($bn_obj =~ /bn86/);
$cflags.=" -DOPENSSL_IA32_SSE2" if (!$no_sse2 && $bn_obj =~ /bn86/);

$des_obj=$des_enc	unless ($des_obj =~ /\.o$/);
$bf_obj=$bf_enc		unless ($bf_obj =~ /\.o$/);
$cast_obj=$cast_enc	unless ($cast_obj =~ /\.o$/);
$rc4_obj=$rc4_enc	unless ($rc4_obj =~ /\.o$/);
$rc5_obj=$rc5_enc	unless ($rc5_obj =~ /\.o$/);
if ($sha1_obj =~ /\.o$/)
	{
#	$sha1_obj=$sha1_enc;
	$cflags.=" -DSHA1_ASM"   if ($sha1_obj =~ /sx86/ || $sha1_obj =~ /sha1/);
	$cflags.=" -DSHA256_ASM" if ($sha1_obj =~ /sha256/);
	$cflags.=" -DSHA512_ASM" if ($sha1_obj =~ /sha512/);
	if ($sha1_obj =~ /x86/)
	    {	if ($no_sse2)
		{   $sha1_obj =~ s/\S*sse2\S+//;        }
		elsif ($cflags !~ /OPENSSL_IA32_SSE2/)
		{   $cflags.=" -DOPENSSL_IA32_SSE2";    }
	    }
	}
if ($md5_obj =~ /\.o$/)
	{
#	$md5_obj=$md5_enc;
	$cflags.=" -DMD5_ASM";
	}
if ($rmd160_obj =~ /\.o$/)
	{
#	$rmd160_obj=$rmd160_enc;
	$cflags.=" -DRMD160_ASM";
	}
if ($aes_obj =~ /\.o$/)
	{
	$cflags.=" -DAES_ASM";
	}
else	{
	$aes_obj=$aes_enc;
	}

# "Stringify" the C flags string.  This permits it to be made part of a string
# and works as well on command lines.
$cflags =~ s/([\\\"])/\\\1/g;

my $version = "unknown";
my $version_num = "unknown";
my $major = "unknown";
my $minor = "unknown";
my $shlib_version_number = "unknown";
my $shlib_version_history = "unknown";
my $shlib_major = "unknown";
my $shlib_minor = "unknown";

open(IN,'<crypto/opensslv.h') || die "unable to read opensslv.h:$!\n";
while (<IN>)
	{
	$version=$1 if /OPENSSL.VERSION.TEXT.*OpenSSL (\S+) /;
	$version_num=$1 if /OPENSSL.VERSION.NUMBER.*0x(\S+)/;
	$shlib_version_number=$1 if /SHLIB_VERSION_NUMBER *"([^"]+)"/;
	$shlib_version_history=$1 if /SHLIB_VERSION_HISTORY *"([^"]*)"/;
	}
close(IN);
if ($shlib_version_history ne "") { $shlib_version_history .= ":"; }

if ($version =~ /(^[0-9]*)\.([0-9\.]*)/)
	{
	$major=$1;
	$minor=$2;
	}

if ($shlib_version_number =~ /(^[0-9]*)\.([0-9\.]*)/)
	{
	$shlib_major=$1;
	$shlib_minor=$2;
	}

open(IN,'<Makefile.org') || die "unable to read Makefile.org:$!\n";
unlink("$Makefile.new") || die "unable to remove old $Makefile.new:$!\n" if -e "$Makefile.new";
open(OUT,">$Makefile.new") || die "unable to create $Makefile.new:$!\n";
print OUT "### Generated automatically from Makefile.org by Configure.\n\n";
my $sdirs=0;
while (<IN>)
	{
	chop;
	$sdirs = 1 if /^SDIRS=/;
	if ($sdirs) {
		my $dir;
		foreach $dir (@skip) {
			s/([ 	])$dir /\1/;
			}
		}
	$sdirs = 0 unless /\\$/;
	s/^VERSION=.*/VERSION=$version/;
	s/^MAJOR=.*/MAJOR=$major/;
	s/^MINOR=.*/MINOR=$minor/;
	s/^SHLIB_VERSION_NUMBER=.*/SHLIB_VERSION_NUMBER=$shlib_version_number/;
	s/^SHLIB_VERSION_HISTORY=.*/SHLIB_VERSION_HISTORY=$shlib_version_history/;
	s/^SHLIB_MAJOR=.*/SHLIB_MAJOR=$shlib_major/;
	s/^SHLIB_MINOR=.*/SHLIB_MINOR=$shlib_minor/;
	s/^SHLIB_EXT=.*/SHLIB_EXT=$shared_extension/;
	s/^INSTALLTOP=.*$/INSTALLTOP=$prefix/;
	s/^OPENSSLDIR=.*$/OPENSSLDIR=$openssldir/;
	s/^INSTALL_PREFIX=.*$/INSTALL_PREFIX=$install_prefix/;
	s/^PLATFORM=.*$/PLATFORM=$target/;
	s/^OPTIONS=.*$/OPTIONS=$options/;
	s/^CONFIGURE_ARGS=.*$/CONFIGURE_ARGS=$argvstring/;
	s/^CC=.*$/CC= $cc/;
	s/^MAKEDEPPROG=.*$/MAKEDEPPROG= $cc/ if $cc eq "gcc";
	s/^CFLAG=.*$/CFLAG= $cflags/;
	s/^DEPFLAG=.*$/DEPFLAG= $depflags/;
	s/^EX_LIBS=.*$/EX_LIBS= $lflags/;
	s/^EXE_EXT=.*$/EXE_EXT= $exe_ext/;
	s/^CPUID_OBJ=.*$/CPUID_OBJ= $cpuid_obj/;
	s/^BN_ASM=.*$/BN_ASM= $bn_obj/;
	s/^DES_ENC=.*$/DES_ENC= $des_obj/;
	s/^AES_ASM_OBJ=.*$/AES_ASM_OBJ= $aes_obj/;
	s/^BF_ENC=.*$/BF_ENC= $bf_obj/;
	s/^CAST_ENC=.*$/CAST_ENC= $cast_obj/;
	s/^RC4_ENC=.*$/RC4_ENC= $rc4_obj/;
	s/^RC5_ENC=.*$/RC5_ENC= $rc5_obj/;
	s/^MD5_ASM_OBJ=.*$/MD5_ASM_OBJ= $md5_ob