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+			VMS Installation instructions
+			written by Richard Levitte
+			<richard@levitte.org>
+
+
+Intro:
+======
+
+This file is divided in the following parts:
+
+  Requirements			- Mandatory reading.
+  Checking the distribution	- Mandatory reading.
+  Compilation			- Mandatory reading.
+  Logical names			- Mandatory reading.
+  Test				- Mandatory reading.
+  Installation			- Mandatory reading.
+  Backward portability		- Read if it's an issue.
+  Possible bugs or quirks	- A few warnings on things that
+				  may go wrong or may surprise you.
+  TODO				- Things that are to come.
+
+
+Requirements:
+=============
+
+To build and install OpenSSL, you will need:
+
+ * DEC C or some other ANSI C compiler.  VAX C is *not* supported.
+   [Note: OpenSSL has only been tested with DEC C.  Compiling with 
+    a different ANSI C compiler may require some work]
+
+Checking the distribution:
+==========================
+
+There have been reports of places where the distribution didn't quite get
+through, for example if you've copied the tree from a NFS-mounted Unix
+mount point.
+
+The easiest way to check if everything got through as it should is to check
+for one of the following files:
+
+	[.CRYPTO]OPENSSLCONF.H_IN
+	[.CRYPTO]OPENSSLCONF_H.IN
+
+They should never exist both at once, but one of them should (preferably
+the first variant).  If you can't find any of those two, something went
+wrong.
+
+The best way to get a correct distribution is to download the gzipped tar
+file from ftp://ftp.openssl.org/source/, use GUNZIP to uncompress it and
+use VMSTAR to unpack the resulting tar file.
+
+GUNZIP is available in many places on the net.  One of the distribution
+points is the WKU software archive, ftp://ftp.wku.edu/vms/fileserv/ .
+
+VMSTAR is also available in many places on the net.  The recommended place
+to find information about it is http://www.free.lp.se/vmstar/ .
+
+
+Compilation:
+============
+
+I've used the very good command procedures written by Robert Byer
+<byer@mail.all-net.net>, and just slightly modified them, making
+them slightly more general and easier to maintain.
+
+You can actually compile in almost any directory separately.  Look
+for a command procedure name xxx-LIB.COM (in the library directories)
+or MAKExxx.COM (in the program directories) and read the comments at
+the top to understand how to use them.  However, if you want to
+compile all you can get, the simplest is to use MAKEVMS.COM in the top
+directory.  The syntax is the following:
+
+  @MAKEVMS <option> <bits> <debug-p> [<compiler>]
+
+<option> must be one of the following:
+
+      ALL       Just build "everything".
+      CONFIG    Just build the "[.CRYPTO]OPENSSLCONF.H" file.
+      BUILDINF  Just build the "[.INCLUDE]BUILDINF.H" file.
+      SOFTLINKS Just copies some files, to simulate Unix soft links.
+      BUILDALL  Same as ALL, except CONFIG, BUILDINF and SOFTLINKS aren't done.
+      RSAREF    Just build the "[.xxx.EXE.RSAREF]LIBRSAGLUE.OLB" library.
+      CRYPTO    Just build the "[.xxx.EXE.CRYPTO]LIBCRYPTO.OLB" library.
+      SSL       Just build the "[.xxx.EXE.SSL]LIBSSL.OLB" library.
+      SSL_TASK  Just build the "[.xxx.EXE.SSL]SSL_TASK.EXE" program.
+      TEST      Just build the "[.xxx.EXE.TEST]" test programs for OpenSSL.
+      APPS      Just build the "[.xxx.EXE.APPS]" application programs for OpenSSL.
+
+<bits> must be one of the following:
+
+      ""        compile using default pointer size
+      32        compile using 32 bit pointer size
+      64        compile using 64 bit pointer size
+
+<debug-p> must be one of the following:
+
+      DEBUG     compile with debugging info (will not optimize)
+      NODEBUG   compile without debugging info (will optimize)
+
+<compiler> must be one of the following:
+
+      DECC      For DEC C.
+      GNUC      For GNU C.
+
+
+You will find the crypto library in [.xxx.EXE.CRYPTO] (where xxx is VAX,
+ALPHA or IA64), called SSL_LIBCRYPTO32.OLB or SSL_LIBCRYPTO.OLB depending
+on how it was built.  You will find the SSL library in [.xxx.EXE.SSL],
+named SSL_LIBSSL32.OLB or SSL_LIBSSL.OLB, and you will find a bunch of
+useful programs in [.xxx.EXE.APPS].  However, these shouldn't be used
+right off unless it's just to test them.  For production use, make sure
+you install first, see Installation below.
+
+Note 1: Some programs in this package require a TCP/IP library.
+
+Note 2: if you want to compile the crypto library only, please make sure
+        you have at least done a @MAKEVMS CONFIG, a @MAKEVMS BUILDINF and
+        a @MAKEVMS SOFTLINKS.  A lot of things will break if you don't.
+
+
+Logical names:
+==============
+
+There are a few things that can't currently be given through the command
+line.  Instead, logical names are used.
+
+Currently, the logical names supported are:
+
+      OPENSSL_NO_ASM    with value YES, the assembler parts of OpenSSL will
+                        not be used.  Instead, plain C implementations are
+                        used.  This is good to try if something doesn't work.
+      OPENSSL_NO_'alg'  with value YES, the corresponding crypto algorithm
+                        will not be implemented.  Supported algorithms to
+                        do this with are: RSA, DSA, DH, MD2, MD4, MD5, RIPEMD,
+                        SHA, DES, MDC2, CR2, RC4, RC5, IDEA, BF, CAST, HMAC,
+                        SSL2.  So, for example, having the logical name
+                        OPENSSL_NO_RSA with the value YES means that the
+                        LIBCRYPTO.OLB library will not contain an RSA
+                        implementation.
+
+
+Test:
+=====
+
+Testing is very simple, just do the following:
+
+  @[.TEST]TESTS
+
+If a test fails, try with defining the logical name OPENSSL_NO_ASM (yes,
+it's an ugly hack!) and rebuild. Please send a bug report to
+<openssl-bugs@openssl.org>, including the output of "openssl version -a"
+and of the failed test.
+
+
+Installation:
+=============
+
+Installation is easy, just do the following:
+
+  @INSTALL <root> <bits>
+
+<root> is the directory in which everything will be installed,
+subdirectories, libraries, header files, programs and startup command
+procedures.
+
+<bits> works the same way as for MAKEVMS.COM
+
+N.B.: INSTALL.COM builds a new directory structure, different from
+the directory tree where you have now build OpenSSL.
+
+In the [.VMS] subdirectory of the installation, you will find the
+following command procedures:
+
+  OPENSSL_STARTUP.COM
+
+        defines all needed logical names.  Takes one argument that
+        tells it in what logical name table to insert the logical
+        names.  If you insert if it SYS$MANAGER:SYSTARTUP_VMS.COM, the
+        call should look like this: 
+
+          @openssldev:[openssldir.VMS]OPENSSL_STARTUP "/SYSTEM"
+
+  OPENSSL_UTILS.COM
+
+        sets up the symbols to the applications.  Should be called
+        from for example SYS$MANAGER:SYLOGIN.COM 
+
+  OPENSSL_UNDO.COM
+
+	deassigns the logical names created with OPENSSL_STARTUP.COM.
+
+The logical names that are set up are the following:
+
+  SSLROOT       a dotted concealed logical name pointing at the
+                root directory.
+
+  SSLCERTS      Initially an empty directory, this is the default
+		location for certificate files.
+  SSLPRIVATE	Initially an empty directory, this is the default
+		location for private key files.
+
+  SSLEXE        Contains the openssl binary and a few other utility
+		programs.
+  SSLINCLUDE    Contains the header files needed if you want to
+		compile programs with libcrypto or libssl.
+  SSLLIB        Contains the OpenSSL library files themselves:
+  		- SSL_LIBCRYPTO32.OLB and SSL_LIBSSL32.OLB or
+		- SSL_LIBCRYPTO.OLB and SSL_LIBSSL.OLB
+
+  OPENSSL	Same as SSLINCLUDE.  This is because the standard
+		way to include OpenSSL header files from version
+		0.9.3 and on is:
+
+			#include <openssl/header.h>
+
+		For more info on this issue, see the INSTALL. file
+		(the NOTE in section 4 of "Installation in Detail").
+		You don't need to "deleting old header files"!!!
+
+
+Backward portability:
+=====================
+
+One great problem when you build a library is making sure it will work
+on as many versions of VMS as possible.  Especially, code compiled on
+OpenVMS version 7.x and above tend to be unusable in version 6.x or
+lower, because some C library routines have changed names internally
+(the C programmer won't usually see it, because the old name is
+maintained through C macros).  One obvious solution is to make sure
+you have a development machine with an old enough version of OpenVMS.
+However, if you are stuck with a bunch of Alphas running OpenVMS version
+7.1, you seem to be out of luck.  Fortunately, the DEC C header files
+are cluttered with conditionals that make some declarations and definitions
+dependent on the OpenVMS version or the C library version, *and* you
+can use those macros to simulate older OpenVMS or C library versions,
+by defining the macros _VMS_V6_SOURCE, __VMS_VER and __CTRL_VER with
+correct values.  In the compilation scripts, I've provided the possibility
+for the user to influence the creation of such macros, through a bunch of
+symbols, all having names starting with USER_.  Here's the list of them:
+
+  USER_CCFLAGS		 - Used to give additional qualifiers to the
+			   compiler.  It can't be used to define macros
+			   since the scripts will do such things as well.
+			   To do such things, use USER_CCDEFS.
+  USER_CCDEFS		 - Used to define macros on the command line.  The
+			   value of this symbol will be inserted inside a
+			   /DEFINE=(...).
+  USER_CCDISABLEWARNINGS - Used to disable some warnings.  The value is
+			   inserted inside a /DISABLE=WARNING=(...).
+
+So, to maintain backward compatibility with older VMS versions, do the
+following before you start compiling:
+
+  $ USER_CCDEFS := _VMS_V6_SOURCE=1,__VMS_VER=60000000,__CRTL_VER=60000000
+  $ USER_CCDISABLEWARNINGS := PREOPTW
+
+The USER_CCDISABLEWARNINGS is there because otherwise, DEC C will complain
+that those macros have been changed.
+
+Note: Currently, this is only useful for library compilation.  The
+      programs will still be linked with the current version of the
+      C library shareable image, and will thus complain if they are
+      faced with an older version of the same C library shareable image.
+      This will probably be fixed in a future revision of OpenSSL.
+
+
+Possible bugs or quirks:
+========================
+
+I'm not perfectly sure all the programs will use the SSLCERTS:
+directory by default, it may very well be that you have to give them
+extra arguments.  Please experiment.
+
+
+TODO:
+=====
+
+There are a few things that need to be worked out in the VMS version of
+OpenSSL, still:
+
+- Description files. ("Makefile's" :-))
+- Script code to link an already compiled build tree.
+- A VMSINSTALlable version (way in the future, unless someone else hacks).
+- shareable images (DLL for you Windows folks).
+
+There may be other things that I have missed and that may be desirable.
+Please send mail to <openssl-users@openssl.org> or to me directly if you
+have any ideas.
+
+--
+Richard Levitte <richard@levitte.org>
+2000-02-27, 2011-03-18