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<TITLE>ExtUtils::MM_VMS - methods to override UN*X behaviour in ExtUtils::MakeMaker</TITLE>
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<STRONG><P CLASS=block> ExtUtils::MM_VMS - methods to override UN*X behaviour in ExtUtils::MakeMaker</P></STRONG>
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<UL>
<LI><A HREF="#name">NAME</A></LI><LI><A HREF="#supportedplatforms">SUPPORTED PLATFORMS</A></LI>
<LI><A HREF="#synopsis">SYNOPSIS</A></LI>
<LI><A HREF="#description">DESCRIPTION</A></LI>
<UL>
<LI><A HREF="#methods always loaded">Methods always loaded</A></LI>
<LI><A HREF="#selfloaded methods">SelfLoaded methods</A></LI>
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<P>
<H1><A NAME="name">NAME</A></H1>
<P>ExtUtils::MM_VMS - methods to override UN*X behaviour in ExtUtils::MakeMaker</P>
<P>
<HR>
<H1><A NAME="supportedplatforms">SUPPORTED PLATFORMS</A></H1>
<UL>
<LI>Linux</LI>
<LI>Solaris</LI>
<LI>Windows</LI>
</UL>
<HR>
<H1><A NAME="synopsis">SYNOPSIS</A></H1>
<PRE>
use ExtUtils::MM_VMS; # Done internally by ExtUtils::MakeMaker if needed</PRE>
<P>
<HR>
<H1><A NAME="description">DESCRIPTION</A></H1>
<P>See ExtUtils::MM_Unix for a documentation of the methods provided
there. This package overrides the implementation of these methods, not
the semantics.</P>
<P>
<H2><A NAME="methods always loaded">Methods always loaded</A></H2>
<DL>
<DT><STRONG><A NAME="item_wraplist">wraplist</A></STRONG><BR>
<DD>
Converts a list into a string wrapped at approximately 80 columns.
<P></P>
<DT><STRONG><A NAME="item_rootdir">rootdir (override)</A></STRONG><BR>
<DD>
Returns a string representing of the root directory.
<P></P></DL>
<P>
<H2><A NAME="selfloaded methods">SelfLoaded methods</A></H2>
<P>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.</P>
<DL>
<DT><STRONG><A NAME="item_guess_name">guess_name (override)</A></STRONG><BR>
<DD>
Try to determine name of extension being built. We begin with the name
of the current directory. Since VMS filenames are case-insensitive,
however, we look for a <EM>.pm</EM> file whose name matches that of the current
directory (presumably the 'main' <EM>.pm</EM> file for this extension), and try
to find a <A HREF="../../lib/Pod/perlfunc.html#item_package"><CODE>package</CODE></A> statement from which to obtain the Mixed::Case
package name.
<P></P>
<DT><STRONG><A NAME="item_find_perl">find_perl (override)</A></STRONG><BR>
<DD>
Use VMS file specification syntax and CLI commands to find and
invoke Perl images.
<P></P>
<DT><STRONG><A NAME="item_path">path (override)</A></STRONG><BR>
<DD>
Translate logical name DCL$PATH as a searchlist, rather than trying
to <A HREF="../../lib/Pod/perlfunc.html#item_split"><CODE>split</CODE></A> string value of <CODE>$ENV{'PATH'}</CODE>.
<P></P>
<DT><STRONG><A NAME="item_maybe_command">maybe_command (override)</A></STRONG><BR>
<DD>
Follows VMS naming conventions for executable files.
If the name passed in doesn't exactly match an executable file,
appends <EM>.Exe</EM> (or equivalent) to check for executable image, and <EM>.Com</EM>
to check for DCL procedure. If this fails, checks directories in DCL$PATH
and finally <EM>Sys$System:</EM> for an executable file having the name specified,
with or without the <EM>.Exe</EM>-equivalent suffix.
<P></P>
<DT><STRONG><A NAME="item_maybe_command_in_dirs">maybe_command_in_dirs (override)</A></STRONG><BR>
<DD>
Uses DCL argument quoting on test command line.
<P></P>
<DT><STRONG><A NAME="item_perl_script">perl_script (override)</A></STRONG><BR>
<DD>
If name passed in doesn't specify a readable file, appends <EM>.com</EM> or
<EM>.pl</EM> and tries again, since it's customary to have file types on all files
under VMS.
<P></P>
<DT><STRONG><A NAME="item_file_name_is_absolute">file_name_is_absolute (override)</A></STRONG><BR>
<DD>
Checks for VMS directory spec as well as Unix separators.
<P></P>
<DT><STRONG><A NAME="item_replace_manpage_separator">replace_manpage_separator</A></STRONG><BR>
<DD>
Use as separator a character which is legal in a VMS-syntax file name.
<P></P>
<DT><STRONG><A NAME="item_init_others">init_others (override)</A></STRONG><BR>
<DD>
Provide VMS-specific forms of various utility commands, then hand
off to the default MM_Unix method.
<P></P>
<DT><STRONG><A NAME="item_constants">constants (override)</A></STRONG><BR>
<DD>
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.
<P></P>
<DT><STRONG><A NAME="item_cflags">cflags (override)</A></STRONG><BR>
<DD>
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.
<P></P>
<DT><STRONG><A NAME="item_const_cccmd">const_cccmd (override)</A></STRONG><BR>
<DD>
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.
<P></P>
<DT><STRONG><A NAME="item_pm_to_blib">pm_to_blib (override)</A></STRONG><BR>
<DD>
DCL <EM>still</EM> 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 args.
<P></P>
<DT><STRONG><A NAME="item_tool_autosplit">tool_autosplit (override)</A></STRONG><BR>
<DD>
Use VMS-style quoting on command line.
<P></P>
<DT><STRONG><A NAME="item_tool_sxubpp">tool_sxubpp (override)</A></STRONG><BR>
<DD>
Use VMS-style quoting on xsubpp command line.
<P></P>
<DT><STRONG><A NAME="item_xsubpp_version">xsubpp_version (override)</A></STRONG><BR>
<DD>
Test xsubpp exit status according to VMS rules ($sts & 1 ==> good)
rather than Unix rules ($sts == 0 ==> good).
<P></P>
<DT><STRONG><A NAME="item_tools_other">tools_other (override)</A></STRONG><BR>
<DD>
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.
<P></P>
<DT><STRONG><A NAME="item_dist">dist (override)</A></STRONG><BR>
<DD>
Provide VMSish defaults for some values, then hand off to
default MM_Unix method.
<P></P>
<DT><STRONG><A NAME="item_c_o">c_o (override)</A></STRONG><BR>
<DD>
Use VMS syntax on command line. In particular, $(DEFINE) and
$(PERL_INC) have been pulled into $(CCCMD). Also use MM[SK] macros.
<P></P>
<DT><STRONG><A NAME="item_xs_c">xs_c (override)</A></STRONG><BR>
<DD>
Use MM[SK] macros.
<P></P>
<DT><STRONG><A NAME="item_xs_o">xs_o (override)</A></STRONG><BR>
<DD>
Use MM[SK] macros, and VMS command line for C compiler.
<P></P>
<DT><STRONG><A NAME="item_top_targets">top_targets (override)</A></STRONG><BR>
<DD>
Use VMS quoting on command line for Version_check.
<P></P>
<DT><STRONG><A NAME="item_dlsyms">dlsyms (override)</A></STRONG><BR>
<DD>
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.
<P></P>
<DT><STRONG><A NAME="item_dynamic_lib">dynamic_lib (override)</A></STRONG><BR>
<DD>
Use VMS Link command.
<P></P>
<DT><STRONG><A NAME="item_dynamic_bs">dynamic_bs (override)</A></STRONG><BR>
<DD>
Use VMS-style quoting on Mkbootstrap command line.
<P></P>
<DT><STRONG><A NAME="item_static_lib">static_lib (override)</A></STRONG><BR>
<DD>
Use VMS commands to manipulate object library.
<P></P>
<DT><STRONG><A NAME="item_manifypods">manifypods (override)</A></STRONG><BR>
<DD>
Use VMS-style quoting on command line, and VMS logical name
to specify fallback location at build time if we can't find pod2man.
<P></P>
<DT><STRONG><A NAME="item_processPL">processPL (override)</A></STRONG><BR>
<DD>
Use VMS-style quoting on command line.
<P></P>
<DT><STRONG><A NAME="item_installbin">installbin (override)</A></STRONG><BR>
<DD>
Stay under DCL's 255 character command line limit once again by
splitting potentially long list of files across multiple lines
in <A HREF="#item_realclean"><CODE>realclean</CODE></A> target.
<P></P>
<DT><STRONG><A NAME="item_subdir_x">subdir_x (override)</A></STRONG><BR>
<DD>
Use VMS commands to change default directory.
<P></P>
<DT><STRONG><A NAME="item_clean">clean (override)</A></STRONG><BR>
<DD>
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.
<P></P>
<DT><STRONG><A NAME="item_realclean">realclean (override)</A></STRONG><BR>
<DD>
Guess what we're working around? Also, use MM[SK] for subdirectories.
<P></P>
<DT><STRONG><A NAME="item_dist_basics">dist_basics (override)</A></STRONG><BR>
<DD>
Use VMS-style quoting on command line.
<P></P>
<DT><STRONG><A NAME="item_dist_core">dist_core (override)</A></STRONG><BR>
<DD>
Syntax for invoking <EM>VMS_Share</EM> differs from that for Unix <EM>shar</EM>,
so <CODE>shdist</CODE> target actions are VMS-specific.
<P></P>
<DT><STRONG><A NAME="item_dist_dir">dist_dir (override)</A></STRONG><BR>
<DD>
Use VMS-style quoting on command line.
<P></P>
<DT><STRONG><A NAME="item_dist_test">dist_test (override)</A></STRONG><BR>
<DD>
Use VMS commands to change default directory, and use VMS-style
quoting on command line.
<P></P>
<DT><STRONG><A NAME="item_install">install (override)</A></STRONG><BR>
<DD>
Work around DCL's 255 character limit several times,and use
VMS-style command line quoting in a few cases.
<P></P>
<DT><STRONG><A NAME="item_perldepend">perldepend (override)</A></STRONG><BR>
<DD>
Use VMS-style syntax for files; it's cheaper to just do it directly here
than to have the MM_Unix method call <CODE>catfile</CODE> repeatedly. Also, if
we have to rebuild Config.pm, use MM[SK] to do it.
<P></P>
<DT><STRONG><A NAME="item_makefile">makefile (override)</A></STRONG><BR>
<DD>
Use VMS commands and quoting.
<P></P>
<DT><STRONG><A NAME="item_test">test (override)</A></STRONG><BR>
<DD>
Use VMS commands for handling subdirectories.
<P></P>
<DT><STRONG><A NAME="item_test_via_harness">test_via_harness (override)</A></STRONG><BR>
<DD>
Use VMS-style quoting on command line.
<P></P>
<DT><STRONG><A NAME="item_test_via_script">test_via_script (override)</A></STRONG><BR>
<DD>
Use VMS-style quoting on command line.
<P></P>
<DT><STRONG><A NAME="item_makeaperl">makeaperl (override)</A></STRONG><BR>
<DD>
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.
<P></P>
<DT><STRONG><A NAME="item_nicetext">nicetext (override)</A></STRONG><BR>
<DD>
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.
<P></P></DL>
<TABLE BORDER=0 CELLPADDING=0 CELLSPACING=0 WIDTH=100%>
<TR><TD CLASS=block VALIGN=MIDDLE WIDTH=100% BGCOLOR="#cccccc">
<STRONG><P CLASS=block> ExtUtils::MM_VMS - methods to override UN*X behaviour in ExtUtils::MakeMaker</P></STRONG>
</TD></TR>
</TABLE>
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