1ae4c07e50
It turns out that /DSF didn't do any good for our purposes. Instead, remove the CALL_DEBUG flag from any image we link. This ensures that we can have debugging information in the image files, but don't automatically end up in a debugging session upon image activation. Unfortunately, this means the CALL_DEBUG must be turned on when there is a need to run with the debugger activated, and to turn it off when done. This has been documented in NOTES.VMS. Reviewed-by: Rich Salz <rsalz@openssl.org> (Merged from https://github.com/openssl/openssl/pull/2957)
101 lines
3.4 KiB
Text
101 lines
3.4 KiB
Text
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NOTES FOR THE OPENVMS PLATFORM
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==============================
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Requirement details
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-------------------
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In addition to the requirements and instructions listed in INSTALL,
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this are required as well:
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* At least ODS-5 disk organization for source and build.
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Installation can be done on any existing disk organization.
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About ANSI C compiler
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---------------------
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An ANSI C compiled is needed among other things. This means that
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VAX C is not and will not be supported.
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We have only tested with DEC C (a.k.a HP VMS C / VSI C) and require
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version 7.1 or later. Compiling with a different ANSI C compiler may
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require some work.
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Please avoid using C RTL feature logical names DECC$* when building
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and testing OpenSSL. Most of all, they can be disruptive when
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running the tests, as they affect the Perl interpreter.
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About ODS-5 directory names and Perl
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------------------------------------
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It seems that the perl function canonpath() in the File::Spec module
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doesn't treat file specifications where the last directory name
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contains periods very well. Unfortunately, some versions of VMS tar
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will keep the periods in the OpenSSL source directory instead of
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converting them to underscore, thereby leaving your source in
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something like [.openssl-1^.1^.0]. This will lead to issues when
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configuring and building OpenSSL.
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We have no replacement for Perl's canonpath(), so the best workaround
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for now is to rename the OpenSSL source directory, as follows (please
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adjust for the actual source directory name you have):
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$ rename openssl-1^.1^.0.DIR openssl-1_1_0.DIR
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About MMS and DCL
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-----------------
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MMS has certain limitations when it comes to line length, and DCL has
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certain limitations when it comes to total command length. We do
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what we can to mitigate, but there is the possibility that it's not
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enough. Should you run into issues, a very simple solution is to set
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yourself up a few logical names for the directory trees you're going
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to use.
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About debugging
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---------------
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If you build for debugging, the default on VMS is that image
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activation starts the debugger automatically, giving you a debug
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prompt. Unfortunately, this disrupts all other uses, such as running
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test programs in the test framework.
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As a compromise, we're turning off the flag that makes the debugger
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start automatically. If there is a program that you need to debug,
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you need to turn that flag back on first, for example:
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$ set image /flag=call_debug [.test]evp_test.exe
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Then just run it and you will find yourself in a debuggin session.
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When done, we recomment that you turn that flag back off:
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$ set image /flag=nocall_debug [.test]evp_test.exe
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Checking the distribution
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-------------------------
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There have been reports of places where the distribution didn't quite
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get through, for example if you've copied the tree from a NFS-mounted
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Unix mount point.
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The easiest way to check if everything got through as it should is to
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check for one of the following files:
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[.crypto]opensslconf^.h.in
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The best way to get a correct distribution is to download the gzipped
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tar file from ftp://ftp.openssl.org/source/, use GZIP -d to uncompress
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it and VMSTAR to unpack the resulting tar file.
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Gzip and VMSTAR are available here:
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http://antinode.info/dec/index.html#Software
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Should you need it, you can find UnZip for VMS here:
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http://www.info-zip.org/UnZip.html
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