1			VMS Installation instructions
2			written by Richard Levitte
3			<richard@levitte.org>
4
5
6Intro:
7======
8
9This file is divided in the following parts:
10
11  Requirements			- Mandatory reading.
12  Checking the distribution	- Mandatory reading.
13  Compilation			- Mandatory reading.
14  Logical names			- Mandatory reading.
15  Test				- Mandatory reading.
16  Installation			- Mandatory reading.
17  Backward portability		- Read if it's an issue.
18  Possible bugs or quirks	- A few warnings on things that
19				  may go wrong or may surprise you.
20  TODO				- Things that are to come.
21
22
23Requirements:
24=============
25
26To build and install OpenSSL, you will need:
27
28 * DEC C or some other ANSI C compiler.  VAX C is *not* supported.
29   [Note: OpenSSL has only been tested with DEC C.  Compiling with
30    a different ANSI C compiler may require some work]
31
32Checking the distribution:
33==========================
34
35There have been reports of places where the distribution didn't quite get
36through, for example if you've copied the tree from a NFS-mounted Unix
37mount point.
38
39The easiest way to check if everything got through as it should is to check
40for one of the following files:
41
42	[.CRYPTO]OPENSSLCONF.H_IN
43	[.CRYPTO]OPENSSLCONF_H.IN
44
45They should never exist both at once, but one of them should (preferably
46the first variant).  If you can't find any of those two, something went
47wrong.
48
49The best way to get a correct distribution is to download the gzipped tar
50file from ftp://ftp.openssl.org/source/, use GUNZIP to uncompress it and
51use VMSTAR to unpack the resulting tar file.
52
53GUNZIP is available in many places on the net.  One of the distribution
54points is the WKU software archive, ftp://ftp.wku.edu/vms/fileserv/ .
55
56VMSTAR is also available in many places on the net.  The recommended place
57to find information about it is http://www.free.lp.se/vmstar/ .
58
59
60Compilation:
61============
62
63I've used the very good command procedures written by Robert Byer
64<byer@mail.all-net.net>, and just slightly modified them, making
65them slightly more general and easier to maintain.
66
67You can actually compile in almost any directory separately.  Look
68for a command procedure name xxx-LIB.COM (in the library directories)
69or MAKExxx.COM (in the program directories) and read the comments at
70the top to understand how to use them.  However, if you want to
71compile all you can get, the simplest is to use MAKEVMS.COM in the top
72directory.  The syntax is the following:
73
74  @MAKEVMS <option> <bits> <debug-p> [<compiler>]
75
76<option> must be one of the following:
77
78      ALL       Just build "everything".
79      CONFIG    Just build the "[.CRYPTO]OPENSSLCONF.H" file.
80      BUILDINF  Just build the "[.INCLUDE]BUILDINF.H" file.
81      SOFTLINKS Just copies some files, to simulate Unix soft links.
82      BUILDALL  Same as ALL, except CONFIG, BUILDINF and SOFTLINKS aren't done.
83      RSAREF    Just build the "[.xxx.EXE.RSAREF]LIBRSAGLUE.OLB" library.
84      CRYPTO    Just build the "[.xxx.EXE.CRYPTO]LIBCRYPTO.OLB" library.
85      SSL       Just build the "[.xxx.EXE.SSL]LIBSSL.OLB" library.
86      SSL_TASK  Just build the "[.xxx.EXE.SSL]SSL_TASK.EXE" program.
87      TEST      Just build the "[.xxx.EXE.TEST]" test programs for OpenSSL.
88      APPS      Just build the "[.xxx.EXE.APPS]" application programs for OpenSSL.
89
90<bits> must be one of the following:
91
92      ""        compile using default pointer size
93      32        compile using 32 bit pointer size
94      64        compile using 64 bit pointer size
95
96<debug-p> must be one of the following:
97
98      DEBUG     compile with debugging info (will not optimize)
99      NODEBUG   compile without debugging info (will optimize)
100
101<compiler> must be one of the following:
102
103      DECC      For DEC C.
104      GNUC      For GNU C.
105
106
107You will find the crypto library in [.xxx.EXE.CRYPTO] (where xxx is VAX,
108ALPHA or IA64), called SSL_LIBCRYPTO32.OLB or SSL_LIBCRYPTO.OLB depending
109on how it was built.  You will find the SSL library in [.xxx.EXE.SSL],
110named SSL_LIBSSL32.OLB or SSL_LIBSSL.OLB, and you will find a bunch of
111useful programs in [.xxx.EXE.APPS].  However, these shouldn't be used
112right off unless it's just to test them.  For production use, make sure
113you install first, see Installation below.
114
115Note 1: Some programs in this package require a TCP/IP library.
116
117Note 2: if you want to compile the crypto library only, please make sure
118        you have at least done a @MAKEVMS CONFIG, a @MAKEVMS BUILDINF and
119        a @MAKEVMS SOFTLINKS.  A lot of things will break if you don't.
120
121
122Logical names:
123==============
124
125There are a few things that can't currently be given through the command
126line.  Instead, logical names are used.
127
128Currently, the logical names supported are:
129
130      OPENSSL_NO_ASM    with value YES, the assembler parts of OpenSSL will
131                        not be used.  Instead, plain C implementations are
132                        used.  This is good to try if something doesn't work.
133      OPENSSL_NO_'alg'  with value YES, the corresponding crypto algorithm
134                        will not be implemented.  Supported algorithms to
135                        do this with are: RSA, DSA, DH, MD2, MD4, MD5, RIPEMD,
136                        SHA, DES, MDC2, CR2, RC4, RC5, IDEA, BF, CAST, HMAC,
137                        SSL2.  So, for example, having the logical name
138                        OPENSSL_NO_RSA with the value YES means that the
139                        LIBCRYPTO.OLB library will not contain an RSA
140                        implementation.
141
142
143Test:
144=====
145
146Testing is very simple, just do the following:
147
148  @[.TEST]TESTS
149
150If a test fails, try with defining the logical name OPENSSL_NO_ASM (yes,
151it's an ugly hack!) and rebuild. Please send a bug report to
152<openssl-bugs@openssl.org>, including the output of "openssl version -a"
153and of the failed test.
154
155
156Installation:
157=============
158
159Installation is easy, just do the following:
160
161  @INSTALL <root> <bits>
162
163<root> is the directory in which everything will be installed,
164subdirectories, libraries, header files, programs and startup command
165procedures.
166
167<bits> works the same way as for MAKEVMS.COM
168
169N.B.: INSTALL.COM builds a new directory structure, different from
170the directory tree where you have now build OpenSSL.
171
172In the [.VMS] subdirectory of the installation, you will find the
173following command procedures:
174
175  OPENSSL_STARTUP.COM
176
177        defines all needed logical names.  Takes one argument that
178        tells it in what logical name table to insert the logical
179        names.  If you insert if it SYS$MANAGER:SYSTARTUP_VMS.COM, the
180        call should look like this:
181
182          @openssldev:[openssldir.VMS]OPENSSL_STARTUP "/SYSTEM"
183
184  OPENSSL_UTILS.COM
185
186        sets up the symbols to the applications.  Should be called
187        from for example SYS$MANAGER:SYLOGIN.COM
188
189  OPENSSL_UNDO.COM
190
191	deassigns the logical names created with OPENSSL_STARTUP.COM.
192
193The logical names that are set up are the following:
194
195  SSLROOT       a dotted concealed logical name pointing at the
196                root directory.
197
198  SSLCERTS      Initially an empty directory, this is the default
199		location for certificate files.
200  SSLPRIVATE	Initially an empty directory, this is the default
201		location for private key files.
202
203  SSLEXE        Contains the openssl binary and a few other utility
204		programs.
205  SSLINCLUDE    Contains the header files needed if you want to
206		compile programs with libcrypto or libssl.
207  SSLLIB        Contains the OpenSSL library files themselves:
208  		- SSL_LIBCRYPTO32.OLB and SSL_LIBSSL32.OLB or
209		- SSL_LIBCRYPTO.OLB and SSL_LIBSSL.OLB
210
211  OPENSSL	Same as SSLINCLUDE.  This is because the standard
212		way to include OpenSSL header files from version
213		0.9.3 and on is:
214
215			#include <openssl/header.h>
216
217		For more info on this issue, see the INSTALL. file
218		(the NOTE in section 4 of "Installation in Detail").
219		You don't need to "deleting old header files"!!!
220
221
222Backward portability:
223=====================
224
225One great problem when you build a library is making sure it will work
226on as many versions of VMS as possible.  Especially, code compiled on
227OpenVMS version 7.x and above tend to be unusable in version 6.x or
228lower, because some C library routines have changed names internally
229(the C programmer won't usually see it, because the old name is
230maintained through C macros).  One obvious solution is to make sure
231you have a development machine with an old enough version of OpenVMS.
232However, if you are stuck with a bunch of Alphas running OpenVMS version
2337.1, you seem to be out of luck.  Fortunately, the DEC C header files
234are cluttered with conditionals that make some declarations and definitions
235dependent on the OpenVMS version or the C library version, *and* you
236can use those macros to simulate older OpenVMS or C library versions,
237by defining the macros _VMS_V6_SOURCE, __VMS_VER and __CTRL_VER with
238correct values.  In the compilation scripts, I've provided the possibility
239for the user to influence the creation of such macros, through a bunch of
240symbols, all having names starting with USER_.  Here's the list of them:
241
242  USER_CCFLAGS		 - Used to give additional qualifiers to the
243			   compiler.  It can't be used to define macros
244			   since the scripts will do such things as well.
245			   To do such things, use USER_CCDEFS.
246  USER_CCDEFS		 - Used to define macros on the command line.  The
247			   value of this symbol will be inserted inside a
248			   /DEFINE=(...).
249  USER_CCDISABLEWARNINGS - Used to disable some warnings.  The value is
250			   inserted inside a /DISABLE=WARNING=(...).
251
252So, to maintain backward compatibility with older VMS versions, do the
253following before you start compiling:
254
255  $ USER_CCDEFS := _VMS_V6_SOURCE=1,__VMS_VER=60000000,__CRTL_VER=60000000
256  $ USER_CCDISABLEWARNINGS := PREOPTW
257
258The USER_CCDISABLEWARNINGS is there because otherwise, DEC C will complain
259that those macros have been changed.
260
261Note: Currently, this is only useful for library compilation.  The
262      programs will still be linked with the current version of the
263      C library shareable image, and will thus complain if they are
264      faced with an older version of the same C library shareable image.
265      This will probably be fixed in a future revision of OpenSSL.
266
267
268Possible bugs or quirks:
269========================
270
271I'm not perfectly sure all the programs will use the SSLCERTS:
272directory by default, it may very well be that you have to give them
273extra arguments.  Please experiment.
274
275
276TODO:
277=====
278
279There are a few things that need to be worked out in the VMS version of
280OpenSSL, still:
281
282- Description files. ("Makefile's" :-))
283- Script code to link an already compiled build tree.
284- A VMSINSTALlable version (way in the future, unless someone else hacks).
285- shareable images (DLL for you Windows folks).
286
287There may be other things that I have missed and that may be desirable.
288Please send mail to <openssl-users@openssl.org> or to me directly if you
289have any ideas.
290
291--
292Richard Levitte <richard@levitte.org>
2932000-02-27, 2011-03-18
294