NAME¶
ExtUtils::MM_VMS - methods to override UN*X behaviour in ExtUtils::MakeMaker
SYNOPSIS¶
Do not use this directly.
Instead, use ExtUtils::MM and it will figure out which MM_*
class to use for you.
DESCRIPTION¶
See ExtUtils::MM_Unix for a documentation of the methods provided there. This
package overrides the implementation of these methods, not the semantics.
Methods always loaded¶
- wraplist
- Converts a list into a string wrapped at approximately 80
columns.
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
case-insensitive, 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.
- _fixin_replace_shebang (override)
- Helper routine for MM->fixin(), overridden
because there's no such thing as an actual shebang line that will be
intepreted by the shell, so we just prepend $Config{startperl} and
preserve the shebang line argument for any switches it may contain.
- maybe_command (override)
- Follows VMS naming conventions for executable files. If the
name passed in doesn't exactly match an executable file, appends
.Exe (or equivalent) to check for executable image, and .Com
to check for DCL procedure. If this fails, checks directories in DCL$PATH
and finally Sys$System: for an executable file having the name
specified, with or without the .Exe-equivalent suffix.
- pasthru (override)
- VMS has $(MMSQUALIFIERS) which is a listing of all the
original command line options. This is used in every invocation of make in
the VMS Makefile so PASTHRU should not be necessary. Using PASTHRU tends
to blow commands past the 256 character limit.
- pm_to_blib (override)
- VMS wants a dot in every file so we can't have one called
'pm_to_blib', it becomes 'pm_to_blib.' and MMS/K isn't smart enough to
know that when you have a target called 'pm_to_blib' it should look for
'pm_to_blib.'.
So in VMS its pm_to_blib.ts.
- 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.
- replace_manpage_separator
- Use as separator a character which is legal in a VMS-syntax
file name.
- init_DEST
- (override) Because of the difficulty concatenating VMS
filepaths we must pre-expand the DEST* variables.
- init_DIRFILESEP
- No seperator between a directory path and a filename on
VMS.
- init_main (override)
- init_others (override)
- Provide VMS-specific forms of various utility commands,
then hand off to the default MM_Unix method.
DEV_NULL should probably be overriden with something.
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.
- init_platform (override)
- Add PERL_VMS, MM_VMS_REVISION and MM_VMS_VERSION.
MM_VMS_REVISION is for backwards compatibility before MM_VMS had a
$VERSION.
- platform_constants
- init_VERSION (override)
- Override the *DEFINE_VERSION macros with VMS semantics.
Translate the MAKEMAKER filepath to VMS style.
- constants (override)
- Fixes up numerous file and directory macros to insure VMS
syntax regardless of input syntax. Also makes lists of files
comma-separated.
- special_targets
- Clear the default .SUFFIXES and put in our own list.
- 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.
- tools_other (override)
- Throw in some dubious extra macros for Makefile args.
Also keep around the old $(SAY) macro in case somebody's using it.
- init_dist (override)
- VMSish defaults for some values.
macro description default
ZIPFLAGS flags to pass to ZIP -Vu
COMPRESS compression command to gzip
use for tarfiles
SUFFIX suffix to put on -gz
compressed files
SHAR shar command to use vms_share
DIST_DEFAULT default target to use to tardist
create a distribution
DISTVNAME Use VERSION_SYM instead of $(DISTNAME)-$(VERSION_SYM)
VERSION for the name
- 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.
- xs_o (override)
- Use MM[SK] macros, and VMS command line for C
compiler.
- 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.
- static_lib (override)
- Use VMS commands to manipulate object library.
- extra_clean_files
- Clean up some OS specific files. Plus the temp file used to
shorten a lot of commands. And the name mangler database.
- zipfile_target
- tarfile_target
- shdist_target
- Syntax for invoking shar, tar and zip differs from that for
Unix.
- 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, if we have to rebuild Config.pm, use MM[SK] to do
it.
- 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.
- maketext_filter (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.
- prefixify (override)
- prefixifying on VMS is simple. Each should simply be:
perl_root:[some.dir]
which can just be converted to:
volume:[your.prefix.some.dir]
otherwise you get the default layout.
In effect, your search prefix is ignored and $Config{vms_prefix} is used
instead.
- cd
- oneliner
- echo
- perl trips up on "<foo>" thinking it's an
input redirect. So we use the native Write command instead. Besides, its
faster.
- quote_literal
- escape_newlines
- max_exec_len
- 256 characters.
- init_linker
- catdir (override)
- catfile (override)
- Eliminate the macros in the output to the MMS/MMK file.
(File::Spec::VMS used to do this for us, but it's being removed)
- eliminate_macros
- Expands MM[KS]/Make macros in a text string, using the
contents of identically named elements of %$self, and returns the result
as a file specification in Unix syntax.
NOTE: This is the canonical version of the method. The version in
File::Spec::VMS is deprecated.
- fixpath
-
my $path = $mm->fixpath($path);
my $path = $mm->fixpath($path, $is_dir);
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.
fixpath() checks to see whether the result matches the name of a
directory in the current default directory and returns a directory or file
specification accordingly. $is_dir can be set to true to force
fixpath() to consider the path to be a directory or false to force
it to be a file.
NOTE: This is the canonical version of the method. The version in
File::Spec::VMS is deprecated.
- os_flavor
- VMS is VMS.
AUTHOR¶
Original author Charles Bailey
bailey@newman.upenn.edu
Maintained by Michael G Schwern
schwern@pobox.com
See ExtUtils::MakeMaker for patching and contact information.