configure

mediastreamer2是开源的网络传输媒体流的库

##### VxWorks for various targets
"vxworks-ppc405","ccppc:-g -msoft-float -mlongcall -DCPU=PPC405 -I\$(WIND_BASE)/target/h:::VXWORKS:-r:::::",
"vxworks-ppc750","ccppc:-ansi -nostdinc -DPPC750 -D_REENTRANT -fvolatile -fno-builtin -fno-for-scope -fsigned-char -Wall -msoft-float -mlongcall -DCPU=PPC604 -I\$(WIND_BASE)/target/h \$(DEBUG_FLAG):::VXWORKS:-r:::::",
"vxworks-ppc750-debug","ccppc:-ansi -nostdinc -DPPC750 -D_REENTRANT -fvolatile -fno-builtin -fno-for-scope -fsigned-char -Wall -msoft-float -mlongcall -DCPU=PPC604 -I\$(WIND_BASE)/target/h -DBN_DEBUG -DREF_CHECK -DCONF_DEBUG -DCRYPTO_MDEBUG -DPEDANTIC -DDEBUG_SAFESTACK -DDEBUG -g:::VXWORKS:-r:::::",
"vxworks-ppc860","ccppc:-nostdinc -msoft-float -DCPU=PPC860 -DNO_STRINGS_H -I\$(WIND_BASE)/target/h:::VXWORKS:-r:::::",
"vxworks-mipsle","ccmips:-B\$(WIND_BASE)/host/\$(WIND_HOST_TYPE)/lib/gcc-lib/ -DL_ENDIAN -EL -Wl,-EL -mips2 -mno-branch-likely -G 0 -fno-builtin -msoft-float -DCPU=MIPS32 -DMIPSEL -DNO_STRINGS_H -I\$(WIND_BASE)/target/h:::VXWORKS:-r::${no_asm}::::::ranlibmips:",

##### Compaq Non-Stop Kernel (Tandem)
"tandem-c89","c89:-Ww -D__TANDEM -D_XOPEN_SOURCE -D_XOPEN_SOURCE_EXTENDED=1 -D_TANDEM_SOURCE -DB_ENDIAN::(unknown):::THIRTY_TWO_BIT:::",

);

my @MK1MF_Builds=qw(VC-WIN64I VC-WIN64A
		    VC-NT VC-CE VC-WIN32
		    BC-32 OS2-EMX netware-clib netware-libc netware-libc-bsdsock);

my $idx = 0;
my $idx_cc = $idx++;
my $idx_cflags = $idx++;
my $idx_unistd = $idx++;
my $idx_thread_cflag = $idx++;
my $idx_sys_id = $idx++;
my $idx_lflags = $idx++;
my $idx_bn_ops = $idx++;
my $idx_cpuid_obj = $idx++;
my $idx_bn_obj = $idx++;
my $idx_des_obj = $idx++;
my $idx_aes_obj = $idx++;
my $idx_bf_obj = $idx++;
my $idx_md5_obj = $idx++;
my $idx_sha1_obj = $idx++;
my $idx_cast_obj = $idx++;
my $idx_rc4_obj = $idx++;
my $idx_rmd160_obj = $idx++;
my $idx_rc5_obj = $idx++;
my $idx_dso_scheme = $idx++;
my $idx_shared_target = $idx++;
my $idx_shared_cflag = $idx++;
my $idx_shared_ldflag = $idx++;
my $idx_shared_extension = $idx++;
my $idx_ranlib = $idx++;
my $idx_arflags = $idx++;

my $prefix="";
my $openssldir="";
my $exe_ext="";
my $install_prefix="";
my $no_threads=0;
my $threads=0;
my $no_shared=0; # but "no-shared" is default
my $zlib=1;      # but "no-zlib" is default
my $no_krb5=0;   # but "no-krb5" is implied unless "--with-krb5-..." is used
my $no_asm=0;
my $no_dso=0;
my $no_gmp=0;
my @skip=();
my $Makefile="Makefile";
my $des_locl="crypto/des/des_locl.h";
my $des	="crypto/des/des.h";
my $bn	="crypto/bn/bn.h";
my $md2	="crypto/md2/md2.h";
my $rc4	="crypto/rc4/rc4.h";
my $rc4_locl="crypto/rc4/rc4_locl.h";
my $idea	="crypto/idea/idea.h";
my $rc2	="crypto/rc2/rc2.h";
my $bf	="crypto/bf/bf_locl.h";
my $bn_asm	="bn_asm.o";
my $des_enc="des_enc.o fcrypt_b.o";
my $aes_enc="aes_core.o aes_cbc.o";
my $bf_enc	="bf_enc.o";
my $cast_enc="c_enc.o";
my $rc4_enc="rc4_enc.o";
my $rc5_enc="rc5_enc.o";
my $md5_obj="";
my $sha1_obj="";
my $rmd160_obj="";
my $processor="";
my $default_ranlib;
my $perl;


# All of the following is disabled by default (RC5 was enabled before 0.9.8):

my %disabled = ( # "what"         => "comment"
		 "gmp"		  => "default",
                 "mdc2"           => "default",
                 "rc5"            => "default",
                 "shared"         => "default",
                 "zlib"           => "default",
                 "zlib-dynamic"   => "default"
               );

# Additional "no-..." options will be collected in %disabled.
# To remove something from %disabled, use e.g. "enable-rc5".
# For symmetry, "disable-..." is a synonym for "no-...".

# This is what $depflags will look like with the above default:
my $default_depflags = "-DOPENSSL_NO_GMP -DOPENSSL_NO_MDC2 -DOPENSSL_NO_RC5 ";


my $no_sse2=0;

&usage if ($#ARGV < 0);

my $flags;
my $depflags;
my $openssl_algorithm_defines;
my $openssl_thread_defines;
my $openssl_sys_defines="";
my $openssl_other_defines;
my $libs;
my $libkrb5="";
my $target;
my $options;
my $symlink;
my $make_depend=0;
my %withargs=();

my @argvcopy=@ARGV;
my $argvstring="";
my $argv_unprocessed=1;

while($argv_unprocessed)
	{
	$flags="";
	$depflags="";
	$openssl_algorithm_defines="";
	$openssl_thread_defines="";
	$openssl_sys_defines="";
	$openssl_other_defines="";
	$libs="";
	$target="";
	$options="";
	$symlink=1;

	$argv_unprocessed=0;
	$argvstring=join(' ',@argvcopy);

PROCESS_ARGS:
	foreach (@argvcopy)
		{
		s /^-no-/no-/; # some people just can't read the instructions

		# rewrite some options in "enable-..." form
		s /^-?-?shared$/enable-shared/;
		s /^threads$/enable-threads/;
		s /^zlib$/enable-zlib/;
		s /^zlib-dynamic$/enable-zlib-dynamic/;

		if (/^no-(.+)$/ || /^disable-(.+)$/)
			{
			if ($1 eq "ssl")
				{
				$disabled{"ssl2"} = "option(ssl)";
				$disabled{"ssl3"} = "option(ssl)";
				}
			elsif ($1 eq "tls")
				{
				$disabled{"tls1"} = "option(tls)"
				}
			else
				{
				$disabled{$1} = "option";
				}
			}			
		elsif (/^enable-(.+)$/)
			{
			delete $disabled{$1};

			$threads = 1 if ($1 eq "threads");
			}
		elsif (/^--test-sanity$/)
			{
			exit(&test_sanity());
			}
		elsif (/^reconfigure/ || /^reconf/)
			{
			if (open(IN,"<$Makefile"))
				{
				while (<IN>)
					{
					chop;
					if (/^CONFIGURE_ARGS=(.*)/)
						{
						$argvstring=$1;
						@argvcopy=split(' ',$argvstring);
						die "Incorrect data to reconfigure, please do a normal configuration\n"
							if (grep(/^reconf/,@argvcopy));
						print "Reconfiguring with: $argvstring\n";
						$argv_unprocessed=1;
						close(IN);
						last PROCESS_ARGS;
						}
					}
				close(IN);
				}
			die "Insufficient data to reconfigure, please do a normal configuration\n";
			}
		elsif (/^386$/)
			{ $processor=386; }
		elsif (/^rsaref$/)
			{
			# No RSAref support any more since it's not needed.
			# The check for the option is there so scripts aren't
			# broken
			}
		elsif (/^[-+]/)
			{
			if (/^-[lL](.*)$/)
				{
				$libs.=$_." ";
				}
			elsif (/^-[^-]/ or /^\+/)
				{
				$flags.=$_." ";
				}
			elsif (/^--prefix=(.*)$/)
				{
				$prefix=$1;
				}
			elsif (/^--openssldir=(.*)$/)
				{
				$openssldir=$1;
				}
			elsif (/^--install.prefix=(.*)$/)
				{
				$install_prefix=$1;
				}
			elsif (/^--with-krb5-(dir|lib|include|flavor)=(.*)$/)
				{
				$withargs{"krb5-".$1}=$2;
				}
			else
				{
				print STDERR $usage;
				exit(1);
				}
			}
		elsif ($_ =~ /^([^:]+):(.+)$/)
			{
			eval "\$table{\$1} = \"$2\""; # allow $xxx constructs in the string
			$target=$1;
			}
		else
			{
			die "target already defined - $target (offending arg: $_)\n" if ($target ne "");
			$target=$_;
			}

		unless ($_ eq $target || /^no-/ || /^disable-/)
			{
			# "no-..." follows later after implied disactivations
			# have been derived.  (Don't take this too seroiusly,
			# we really only write OPTIONS to the Makefile out of
			# nostalgia.)

			if ($options eq "")