forked from KolibriOS/kolibrios
146 lines
6.6 KiB
Plaintext
146 lines
6.6 KiB
Plaintext
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VMS (OpenVMS):
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On VMS, two build methods are provided: a command procedure, and
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description files for MMS or MMK. Both methods must be run from
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the main directory, not the [.VMS] subdirectory.
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A simple build using the command procedure looks like this:
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@ [.VMS]BUILD_UNZIP.COM
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A simple build using MMS or MMK looks like this:
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MMS /DESCRIP = [.VMS]DESCRIP.MMS ! Or, with MMK, ...
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MMK /DESCRIP = [.VMS]DESCRIP.MMS
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Various options for each build method are explained in comments in
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the main builder file, either BUILD_UNZIP.COM or DESCRIP.MMS.
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Here are some more complex build examples:
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o Build with the large-file option enabled (non-VAX only):
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@ [.VMS]BUILD_UNZIP LARGE
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or:
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MMS /DESC = [.VMS] /MACRO = LARGE=1
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o Re-link the executables (small-file and large-file):
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@ [.VMS]BUILD_UNZIP LINK
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@ [.VMS]BUILD_UNZIP LARGE LINK
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or
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MMK /DESC = [.VMS] CLEAN_EXE ! Deletes existing executables.
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MMK /DESC = [.VMS] ! Builds new executables.
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MMK /DESC = [.VMS] /MACRO = LARGE=1 CLEAN_EXE
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MMK /DESC = [.VMS] /MACRO = LARGE=1
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o Build a large-file product from scratch, for debug, getting
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compiler listings and link maps:
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MMS /DESC = [.VMS] CLEAN
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MMS /DESC = [.VMS] /MACRO = (DBG=1, LARGE=1. LIST=1)
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On VAX, the builders attempt to cope with the various available C
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compilers, DEC/Compaq/HP C, VAX C, or GNU C. If DEC/Compaq/HP C is
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not available or not desired, comments in the relevant builder file
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explain the command-line options used to select a different
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compiler.
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By default, Zip uses (and UnZip supports) the "deflate" compression
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method. To add support for the optional "bzip2" compression method,
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first obtain and build the bzip2 software (http://www.bzip.org/ or,
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for a more VMS-friendly kit, http://antinode.info/dec/sw/bzip2.html).
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Then, define the macro IZ_BZIP2 on the BUILD_UNZIP.COM or MMS/MMK
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command line to specify the directory where the bzip2 files may be
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found. For example:
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@ [.VMS]BUILD_UNZIP LARGE -
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IZ_BZIP2=SYS$SYSDEVICE:[UTILITY.SOURCE.BZIP2.BZIP2-1_0_4B_VMS]
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or:
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MMS /DESC = [.VMS] /MACRO = (LARGE=1, -
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IZ_BZIP2=SYS$SYSDEVICE:[UTILITY.SOURCE.BZIP2.BZIP2-1_0_4B_VMS])
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Note that historically, UnZip has been built with the default
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compiler option, /NAMES = UPPERCASE, while bzip2 is normally built
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with /NAMES = AS_IS, to avoid name collisions. With modern
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compilers, the "#pragma names" directives in [.VMS]BZLIB.H will
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handle these differences without user intervention. An old
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compiler (for example, DEC C V4.0-000) will emit complaints
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%CC-I-UNKNOWNPRAGMA, and will mishandle the bzip2 library function
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names, which will cause the link to fail. To solve this problem,
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either build the bzip2 BZ_NO_STDIO object library with /NAMES =
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UPPERCASE, or else build UnZip with /NAMES = AS_IS. For example:
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@ [.VMS]BUILD_UNZIP LARGE "CCOPTS=/NAMES=AS_IS" -
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IZ_BZIP2=SYS$SYSDEVICE:[UTILITY.SOURCE.BZIP2.BZIP2-1_0_4B_VMS]
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or:
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MMS /DESC = [.VMS] /MACRO = (LARGE=1, "CCOPTS=/NAMES=AS_IS", -
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IZ_BZIP2=SYS$SYSDEVICE:[UTILITY.SOURCE.BZIP2.BZIP2-1_0_4B_VMS])
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System-architecture-specific files (like objects and executables)
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are placed in separate directories, such as [.ALPHA], [.IA64], or
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[.VAX]. Large-file products get their own directories, [.ALPHAL]
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or [.IA64L]. On VAX, VAX C products are placed in [.VAXV], GNU C
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products in [.VAXG]. Each product builder announces what the
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destination directory will be when it is run.
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Common files, such as the help libraries (UNZIP.HLP for the default
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UNIX-like command-line interface, UNZIP_CLI.HLP for the VMS-like
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command-line interface), are placed in the main directory. With a
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mixed-architecture VMS cluster, the same main directory on a shared
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disk may may be used by all system types. (Using the NOHELP option
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with BUILD_UNZIP.COM can keep it from making the same help files
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repeatedly.) Building the help files is detailed below.
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Completing installation:
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To complete the installation, the executables may be left in place,
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or moved (or copied) to a convenient place. While other methods
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(like DCL$PATH) exist, most users define symbols to make the UnZip
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executables available as foreign commands. These symbol definitions
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may be placed in a user's SYS$LOGIN:LOGIN.COM, or in a more central
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location, like SYS$MANAGER:SYLOGIN.COM. Typical symbol definitions
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might look like these:
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UNZIP :== $ dev:[dir]UNZIP.EXE ! UNIX-like command line.
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or:
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UNZIP :== $ dev:[dir]UNZIP_CLI.EXE ! VMS-like command line.
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On a non-VAX system, different symbols could be defined for the
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small-file and large-file programs. For example:
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UNZIPS :== $ dev:[dir.ALPHA]UNZIP.EXE ! UNZIPS = small-file UnZip.
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UNZIP*L :== $ dev:[dir.ALPHAL]UNZIP.EXE !UNZIP[L] = large-file UnZip.
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The builders create help text files, UNZIP.HLP and UNZIP_CLI.HLP.
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These may be incorporated into an existing help library, or a separate
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UnZip help library may be created using commands like these, using
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either UNZIP.HLP (as shown) or UNZIP_CLI.HLP:
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LIBRARY /HELP dev:[dir]existing_library.HLB UNZIP.HLP
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LIBRARY /CREATE /HELP UNZIP.HLB UNZIP.HLP
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UnZip help may then be accessed from a separate UnZip help library
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using a command like:
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HELP /LIBRARY = device:[directory]UNZIP.HLB
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For greater ease, the user (or system manager) may define a
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HLP$LIBRARY logical name to allow the HELP utility to find the UnZip
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help library automatically. See HELP HELP /USERLIBRARY for more
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details. The command procedure HLP_LIB_NEXT.COM may be used to
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determine the next available HLP$LIBRARY logical name, and could be
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adapted to define a HLP$LIBRARY logical name for a UnZip help library.
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The builders also create VMS message files, UNZIP_MSG.EXE, in the
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destination directory with the program executables. A user may
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gain DCL access to the UnZip error messages using a command like:
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SET MESSAGE device:[directory]UNZIP_MSG.EXE
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For system-wide access, the system manager may move or copy this
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file to SYS$MESSAGE, although this could cause some confusion if
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multiple versions of UnZip are used on the system, and their error
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message source files differ.
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