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ExtUtils::MM_VMS(3)					   ExtUtils::MM_VMS(3)

NAME    [Toc]    [Back]

     ExtUtils::MM_VMS -	methods	to override UN*X behaviour in

SYNOPSIS    [Toc]    [Back]

      use ExtUtils::MM_VMS; # Done internally by ExtUtils::MakeMaker if	needed

DESCRIPTION    [Toc]    [Back]

     See ExtUtils::MM_Unix for a documentation of the methods provided there.
     This package overrides the	implementation of these	methods, not the

     Methods always loaded    [Toc]    [Back]

	  Expands MM[KS]/Make macros in	a text string, using the contents of
	  identically named elements of	%$self,	and returns the	result as a
	  file specification in	Unix syntax.

	  Catchall routine to clean up problem MM[SK]/Make macros.  Expands
	  macros in any	directory specification, in order to avoid juxtaposing
	  two VMS-syntax directories when MM[SK] is run.  Also expands
	  expressions which are	all macro, so that we can tell how long	the
	  expansion is,	and avoid overrunning DCL's command buffer when	MM[KS]
	  is running.

	  If optional second argument has a TRUE value,	then the return	string
	  is a VMS-syntax directory specification, otherwise it	is a
	  VMS-syntax file specification.

	  Concatenates a list of file specifications, and returns the result
	  as a VMS-syntax directory specification.

	  Concatenates a list of file specifications, and returns the result
	  as a VMS-syntax directory specification.

	  Converts a list into a string	wrapped	at approximately 80 columns.

     curdir (override)
	  Returns a string representing	of the current directory.

     rootdir (override)
	  Returns a string representing	of the root directory.

     updir (override)
	  Returns a string representing	of the parent directory.

									Page 1

ExtUtils::MM_VMS(3)					   ExtUtils::MM_VMS(3)

     SelfLoaded	methods

     Those methods which override default MM_Unix methods are marked
     "(override)", while methods unique	to MM_VMS are marked "(specific)".
     For overridden methods, documentation is limited to an explanation	of why
     this method overrides the MM_Unix method; see the ExtUtils::MM_Unix
     documentation for more details.

     guess_name	(override)
	  Try to determine name	of extension being built.  We begin with the
	  name of the current directory.  Since	VMS filenames are caseinsensitive,
 however,	we look	for a .pm file whose name matches that
	  of the current directory (presumably the 'main' .pm file for this
	  extension), and try to find a	package	statement from which to	obtain
	  the Mixed::Case package name.

     find_perl (override)
	  Use VMS file specification syntax and	CLI commands to	find and
	  invoke Perl images.

     path (override)
	  Translate logical name DCL$PATH as a searchlist, rather than trying
	  to split string value	of $ENV{'PATH'}.

     maybe_command (override)
	  Follows VMS naming conventions for executable	files.	If the name
	  passed in doesn't exactly match an executable	file, appends .Exe (or
	  equivalent) to check for executable image, and .Com to check for DCL
	  procedure.  If this fails, checks directories	in DCL$PATH and
	  finally Sys$System: for an executable	file having the	name
	  specified, with or without the .Exe-equivalent suffix.

     maybe_command_in_dirs (override)
	  Uses DCL argument quoting on test command line.

     perl_script (override)
	  If name passed in doesn't specify a readable file, appends .com or
	  .pl and tries	again, since it's customary to have file types on all
	  files	under VMS.

     file_name_is_absolute (override)
	  Checks for VMS directory spec	as well	as Unix	separators.

	  Use as separator a character which is	legal in a VMS-syntax file

     init_others (override)
	  Provide VMS-specific forms of	various	utility	commands, then hand
	  off to the default MM_Unix method.

									Page 2

ExtUtils::MM_VMS(3)					   ExtUtils::MM_VMS(3)

     constants (override)
	  Fixes	up numerous file and directory macros to insure	VMS syntax
	  regardless of	input syntax.  Also adds a few VMS-specific macros and
	  makes	lists of files comma-separated.

     cflags (override)
	  Bypass shell script and produce qualifiers for CC directly (but warn
	  user if a shell script for this extension exists).  Fold multiple
	  /Defines into	one, since some	C compilers pay	attention to only one
	  instance of this qualifier on	the command line.

     const_cccmd (override)
	  Adds directives to point C preprocessor to the right place when
	  handling #include <sys/foo.h>	directives.  Also constructs CC
	  command line a bit differently than MM_Unix method.

     pm_to_blib	(override)
	  DCL still accepts a maximum of 255 characters	on a command line, so
	  we write the (potentially) long list of file names to	a temp file,
	  then persuade	Perl to	read it	instead	of the command line to find

     tool_autosplit (override)
	  Use VMS-style	quoting	on command line.

     tool_sxubpp (override)
	  Use VMS-style	quoting	on xsubpp command line.

     xsubpp_version (override)
	  Test xsubpp exit status according to VMS rules ($sts & 1 ==> good)
	  rather than Unix rules ($sts == 0 ==>	good).

     tools_other (override)
	  Adds a few MM[SK] macros, and	shortens some the installatin
	  commands, in order to	stay under DCL's 255-character limit.  Also
	  changes EQUALIZE_TIMESTAMP to	set revision date of target file to
	  one second later than	source file, since MMK interprets precisely
	  equal	revision dates for a source and	target file as a sign that the
	  target needs to be updated.

     dist (override)
	  Provide VMSish defaults for some values, then	hand off to default
	  MM_Unix method.

     c_o (override)
	  Use VMS syntax on command line.  In particular, $(DEFINE) and
	  $(PERL_INC) have been	pulled into $(CCCMD).  Also use	MM[SK] macros.

     xs_c (override)
	  Use MM[SK] macros.

									Page 3

ExtUtils::MM_VMS(3)					   ExtUtils::MM_VMS(3)

     xs_o (override)
	  Use MM[SK] macros, and VMS command line for C	compiler.

     top_targets (override)
	  Use VMS quoting on command line for Version_check.

     dlsyms (override)
	  Create VMS linker options files specifying universal symbols for
	  this extension's shareable image, and	listing	other shareable	images
	  or libraries to which	it should be linked.

     dynamic_lib (override)
	  Use VMS Link command.

     dynamic_bs	(override)
	  Use VMS-style	quoting	on Mkbootstrap command line.

     static_lib	(override)
	  Use VMS commands to manipulate object	library.

     manifypods	(override)
	  Use VMS-style	quoting	on command line, and VMS logical name to
	  specify fallback location at build time if we	can't find pod2man.

     processPL (override)
	  Use VMS-style	quoting	on command line.

     installbin	(override)
	  Stay under DCL's 255 character command line limit once again by
	  splitting potentially	long list of files across multiple lines in
	  realclean target.

     subdir_x (override)
	  Use VMS commands to change default directory.

     clean (override)
	  Split	potentially long list of files across multiple commands	(in
	  order	to stay	under the magic	command	line limit).  Also use MM[SK]
	  commands for handling	subdirectories.

     realclean (override)
	  Guess	what we're working around?  Also, use MM[SK] for

     dist_basics (override)
	  Use VMS-style	quoting	on command line.

     dist_core (override)
	  Syntax for invoking VMS_Share	differs	from that for Unix shar, so
	  shdist target	actions	are VMS-specific.

									Page 4

ExtUtils::MM_VMS(3)					   ExtUtils::MM_VMS(3)

     dist_dir (override)
	  Use VMS-style	quoting	on command line.

     dist_test (override)
	  Use VMS commands to change default directory,	and use	VMS-style
	  quoting on command line.

     install (override)
	  Work around DCL's 255	character limit	several	times,and use
	  VMS-style command line quoting in a few cases.

     perldepend	(override)
	  Use VMS-style	syntax for files; it's cheaper to just do it directly
	  here than to have the	MM_Unix	method call catfile repeatedly.	 Also
	  use config.vms as source of original config data if the Perl
	  distribution is available; config.sh is an ancillary file under VMS.
	  Finally, if we have to rebuild Config.pm, use	MM[SK] to do it.

     makefile (override)
	  Use VMS commands and quoting.

     test (override)
	  Use VMS commands for handling	subdirectories.

     test_via_harness (override)
	  Use VMS-style	quoting	on command line.

     test_via_script (override)
	  Use VMS-style	quoting	on command line.

     makeaperl (override)
	  Undertake to build a new set of Perl images using VMS	commands.
	  Since	VMS does dynamic loading, it's not necessary to	statically
	  link each extension into the Perl image, so this isn't the normal
	  build	path.  Consequently, it	hasn't really been tested, and may
	  well be incomplete.

     nicetext (override)
	  Insure that colons marking targets are preceded by space, in order
	  to distinguish the target delimiter from a colon appearing as	part
	  of a filespec.

									Page 5

ExtUtils::MM_VMS(3)					   ExtUtils::MM_VMS(3)

									PPPPaaaaggggeeee 6666
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