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ExtUtils::MM_Any.3pm
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.\" Automatically generated by Pod::Man 2.27 (Pod::Simple 3.28) .\" .\" Standard preamble: .\" ======================================================================== .de Sp \" Vertical space (when we can't use .PP) .if t .sp .5v .if n .sp .. .de Vb \" Begin verbatim text .ft CW .nf .ne \\$1 .. .de Ve \" End verbatim text .ft R .fi .. .\" Set up some character translations and predefined strings. \*(-- will .\" give an unbreakable dash, \*(PI will give pi, \*(L" will give a left .\" double quote, and \*(R" will give a right double quote. \*(C+ will .\" give a nicer C++. Capital omega is used to do unbreakable dashes and .\" therefore won't be available. \*(C` and \*(C' expand to `' in nroff, .\" nothing in troff, for use with C<>. .tr \(*W- .ds C+ C\v'-.1v'\h'-1p'\s-2+\h'-1p'+\s0\v'.1v'\h'-1p' .ie n \{\ . ds -- \(*W- . ds PI pi . if (\n(.H=4u)&(1m=24u) .ds -- \(*W\h'-12u'\(*W\h'-12u'-\" diablo 10 pitch . if (\n(.H=4u)&(1m=20u) .ds -- \(*W\h'-12u'\(*W\h'-8u'-\" diablo 12 pitch . ds L" "" . ds R" "" . ds C` "" . ds C' "" 'br\} .el\{\ . ds -- \|\(em\| . ds PI \(*p . ds L" `` . ds R" '' . ds C` . ds C' 'br\} .\" .\" Escape single quotes in literal strings from groff's Unicode transform. .ie \n(.g .ds Aq \(aq .el .ds Aq ' .\" .\" If the F register is turned on, we'll generate index entries on stderr for .\" titles (.TH), headers (.SH), subsections (.SS), items (.Ip), and index .\" entries marked with X<> in POD. Of course, you'll have to process the .\" output yourself in some meaningful fashion. .\" .\" Avoid warning from groff about undefined register 'F'. .de IX .. .nr rF 0 .if \n(.g .if rF .nr rF 1 .if (\n(rF:(\n(.g==0)) \{ . if \nF \{ . de IX . tm Index:\\$1\t\\n%\t"\\$2" .. . if !\nF==2 \{ . nr % 0 . nr F 2 . \} . \} .\} .rr rF .\" ======================================================================== .\" .IX Title "ExtUtils::MM_Any 3" .TH ExtUtils::MM_Any 3 "2020-01-14" "perl v5.16.3" "User Contributed Perl Documentation" .\" For nroff, turn off justification. Always turn off hyphenation; it makes .\" way too many mistakes in technical documents. .if n .ad l .nh .SH "NAME" ExtUtils::MM_Any \- Platform\-agnostic MM methods .SH "SYNOPSIS" .IX Header "SYNOPSIS" .Vb 1 \& FOR INTERNAL USE ONLY! \& \& package ExtUtils::MM_SomeOS; \& \& # Temporarily, you have to subclass both. Put MM_Any first. \& require ExtUtils::MM_Any; \& require ExtUtils::MM_Unix; \& @ISA = qw(ExtUtils::MM_Any ExtUtils::Unix); .Ve .SH "DESCRIPTION" .IX Header "DESCRIPTION" \&\fB\s-1FOR INTERNAL USE ONLY\s0!\fR .PP ExtUtils::MM_Any is a superclass for the ExtUtils::MM_* set of modules. It contains methods which are either inherently cross-platform or are written in a cross-platform manner. .PP Subclass off of ExtUtils::MM_Any \fIand\fR ExtUtils::MM_Unix. This is a temporary solution. .PP \&\fB\s-1THIS MAY BE TEMPORARY\s0!\fR .SH "METHODS" .IX Header "METHODS" Any methods marked \fIAbstract\fR must be implemented by subclasses. .SS "Cross-platform helper methods" .IX Subsection "Cross-platform helper methods" These are methods which help writing cross-platform code. .PP \fIos_flavor \fIAbstract\fI\fR .IX Subsection "os_flavor Abstract" .PP .Vb 1 \& my @os_flavor = $mm\->os_flavor; .Ve .PP \&\f(CW@os_flavor\fR is the style of operating system this is, usually corresponding to the MM_*.pm file we're using. .PP The first element of \f(CW@os_flavor\fR is the major family (ie. Unix, Windows, \s-1VMS, OS/2,\s0 etc...) and the rest are sub families. .PP Some examples: .PP .Vb 6 \& Cygwin98 (\*(AqUnix\*(Aq, \*(AqCygwin\*(Aq, \*(AqCygwin9x\*(Aq) \& Windows (\*(AqWin32\*(Aq) \& Win98 (\*(AqWin32\*(Aq, \*(AqWin9x\*(Aq) \& Linux (\*(AqUnix\*(Aq, \*(AqLinux\*(Aq) \& MacOS X (\*(AqUnix\*(Aq, \*(AqDarwin\*(Aq, \*(AqMacOS\*(Aq, \*(AqMacOS X\*(Aq) \& OS/2 (\*(AqOS/2\*(Aq) .Ve .PP This is used to write code for styles of operating system. See \fIos_flavor_is()\fR for use. .PP \fIos_flavor_is\fR .IX Subsection "os_flavor_is" .PP .Vb 2 \& my $is_this_flavor = $mm\->os_flavor_is($this_flavor); \& my $is_this_flavor = $mm\->os_flavor_is(@one_of_these_flavors); .Ve .PP Checks to see if the current operating system is one of the given flavors. .PP This is useful for code like: .PP .Vb 6 \& if( $mm\->os_flavor_is(\*(AqUnix\*(Aq) ) { \& $out = \`foo 2>&1\`; \& } \& else { \& $out = \`foo\`; \& } .Ve .PP \fIcan_load_xs\fR .IX Subsection "can_load_xs" .PP .Vb 1 \& my $can_load_xs = $self\->can_load_xs; .Ve .PP Returns true if we have the ability to load \s-1XS.\s0 .PP This is important because miniperl, used to build \s-1XS\s0 modules in the core, can not load \s-1XS.\s0 .PP \fIcan_run\fR .IX Subsection "can_run" .PP .Vb 2 \& use ExtUtils::MM; \& my $runnable = MM\->can_run($Config{make}); .Ve .PP If called in a scalar context it will return the full path to the binary you asked for if it was found, or \f(CW\*(C`undef\*(C'\fR if it was not. .PP If called in a list context, it will return a list of the full paths to instances of the binary where found in \f(CW\*(C`PATH\*(C'\fR, or an empty list if it was not found. .PP Copied from IPC::Cmd, but modified into a method (and removed \f(CW$INSTANCES\fR capability). .PP \fIcan_redirect_error\fR .IX Subsection "can_redirect_error" .PP .Vb 1 \& $useredirect = MM\->can_redirect_error; .Ve .PP True if on an \s-1OS\s0 where qx operator (or backticks) can redirect \f(CW\*(C`STDERR\*(C'\fR onto \f(CW\*(C`STDOUT\*(C'\fR. .PP \fIis_make_type\fR .IX Subsection "is_make_type" .PP .Vb 1 \& my $is_dmake = $self\->is_make_type(\*(Aqdmake\*(Aq); .Ve .PP Returns true if \f(CW\*(C`$self\->make\*(C'\fR is the given type; possibilities are: .PP .Vb 4 \& gmake GNU make \& dmake \& nmake \& bsdmake BSD pmake\-derived .Ve .PP \fIcan_dep_space\fR .IX Subsection "can_dep_space" .PP .Vb 1 \& my $can_dep_space = $self\->can_dep_space; .Ve .PP Returns true if \f(CW\*(C`make\*(C'\fR can handle (probably by quoting) dependencies that contain a space. Currently known true for \s-1GNU\s0 make, false for \s-1BSD\s0 pmake derivative. .PP \fIquote_dep\fR .IX Subsection "quote_dep" .PP .Vb 1 \& $text = $mm\->quote_dep($text); .Ve .PP Method that protects Makefile single-value constants (mainly filenames), so that make will still treat them as single values even if they inconveniently have spaces in. If the make program being used cannot achieve such protection and the given text would need it, throws an exception. .PP \fIsplit_command\fR .IX Subsection "split_command" .PP .Vb 1 \& my @cmds = $MM\->split_command($cmd, @args); .Ve .PP Most \s-1OS\s0 have a maximum command length they can execute at once. Large modules can easily generate commands well past that limit. Its necessary to split long commands up into a series of shorter commands. .PP \&\f(CW\*(C`split_command\*(C'\fR will return a series of \f(CW@cmds\fR each processing part of the args. Collectively they will process all the arguments. Each individual line in \f(CW@cmds\fR will not be longer than the \&\f(CW$self\fR\->max_exec_len being careful to take into account macro expansion. .PP \&\f(CW$cmd\fR should include any switches and repeated initial arguments. .PP If no \f(CW@args\fR are given, no \f(CW@cmds\fR will be returned. .PP Pairs of arguments will always be preserved in a single command, this is a heuristic for things like pm_to_blib and pod2man which work on pairs of arguments. This makes things like this safe: .PP .Vb 1 \& $self\->split_command($cmd, %pod2man); .Ve .PP \fImake_type\fR .IX Subsection "make_type" .PP Returns a suitable string describing the type of makefile being written. .PP \fIstashmeta\fR .IX Subsection "stashmeta" .PP .Vb 1 \& my @recipelines = $MM\->stashmeta($text, $file); .Ve .PP Generates a set of \f(CW@recipelines\fR which will result in the literal \&\f(CW$text\fR ending up in literal \f(CW$file\fR when the recipe is executed. Call it once, with all the text you want in \f(CW$file\fR. Make macros will not be expanded, so the locations will be fixed at configure-time, not at build-time. .PP \fIecho\fR .IX Subsection "echo" .PP .Vb 3 \& my @commands = $MM\->echo($text); \& my @commands = $MM\->echo($text, $file); \& my @commands = $MM\->echo($text, $file, \e%opts); .Ve .PP Generates a set of \f(CW@commands\fR which print the \f(CW$text\fR to a \f(CW$file\fR. .PP If \f(CW$file\fR is not given, output goes to \s-1STDOUT.\s0 .PP If \f(CW$opts\fR{append} is true the \f(CW$file\fR will be appended to rather than overwritten. Default is to overwrite. .PP If \f(CW$opts\fR{allow_variables} is true, make variables of the form \&\f(CW\*(C`$(...)\*(C'\fR will not be escaped. Other \f(CW\*(C`$\*(C'\fR will. Default is to escape all \f(CW\*(C`$\*(C'\fR. .PP Example of use: .PP .Vb 1 \& my $make = join \*(Aq\*(Aq, map "\et$_\en", $MM\->echo($text, $file); .Ve .PP \fIwraplist\fR .IX Subsection "wraplist" .PP .Vb 1 \& my $args = $mm\->wraplist(@list); .Ve .PP Takes an array of items and turns them into a well-formatted list of arguments. In most cases this is simply something like: .PP .Vb 3 \& FOO \e \& BAR \e \& BAZ .Ve .PP \fImaketext_filter\fR .IX Subsection "maketext_filter" .PP .Vb 1 \& my $filter_make_text = $mm\->maketext_filter($make_text); .Ve .PP The text of the Makefile is run through this method before writing to disk. It allows systems a chance to make portability fixes to the Makefile. .PP By default it does nothing. .PP This method is protected and not intended to be called outside of MakeMaker. .PP \fIcd \fIAbstract\fI\fR .IX Subsection "cd Abstract" .PP .Vb 1 \& my $subdir_cmd = $MM\->cd($subdir, @cmds); .Ve .PP This will generate a make fragment which runs the \f(CW@cmds\fR in the given \&\f(CW$dir\fR. The rough equivalent to this, except cross platform. .PP .Vb 1 \& cd $subdir && $cmd .Ve .PP Currently \f(CW$dir\fR can only go down one level. \*(L"foo\*(R" is fine. \*(L"foo/bar\*(R" is not. \*(L"../foo\*(R" is right out. .PP The resulting \f(CW$subdir_cmd\fR has no leading tab nor trailing newline. This makes it easier to embed in a make string. For example. .PP .Vb 6 \& my $make = sprintf <<\*(AqCODE\*(Aq, $subdir_cmd; \& foo : \& $(ECHO) what \& %s \& $(ECHO) mouche \& CODE .Ve .PP \fIoneliner \fIAbstract\fI\fR .IX Subsection "oneliner Abstract" .PP .Vb 2 \& my $oneliner = $MM\->oneliner($perl_code); \& my $oneliner = $MM\->oneliner($perl_code, \e@switches); .Ve .PP This will generate a perl one-liner safe for the particular platform you're on based on the given \f(CW$perl_code\fR and \f(CW@switches\fR (a \-e is assumed) suitable for using in a make target. It will use the proper shell quoting and escapes. .PP $(\s-1PERLRUN\s0) will be used as perl. .PP Any newlines in \f(CW$perl_code\fR will be escaped. Leading and trailing newlines will be stripped. Makes this idiom much easier: .PP .Vb 4 \& my $code = $MM\->oneliner(<<\*(AqCODE\*(Aq, [...switches...]); \&some code here \&another line here \&CODE .Ve .PP Usage might be something like: .PP .Vb 3 \& # an echo emulation \& $oneliner = $MM\->oneliner(\*(Aqprint "Foo\en"\*(Aq); \& $make = \*(Aq$oneliner > somefile\*(Aq; .Ve .PP Dollar signs in the \f(CW$perl_code\fR will be protected from make using the \&\f(CW\*(C`quote_literal\*(C'\fR method, unless they are recognised as being a make variable, \f(CW\*(C`$(varname)\*(C'\fR, in which case they will be left for make to expand. Remember to quote make macros else it might be used as a bareword. For example: .PP .Vb 2 \& # Assign the value of the $(VERSION_FROM) make macro to $vf. \& $oneliner = $MM\->oneliner(\*(Aq$vf = "$(VERSION_FROM)"\*(Aq); .Ve .PP Its currently very simple and may be expanded sometime in the figure to include more flexible code and switches. .PP \fIquote_literal \fIAbstract\fI\fR .IX Subsection "quote_literal Abstract" .PP .Vb 2 \& my $safe_text = $MM\->quote_literal($text); \& my $safe_text = $MM\->quote_literal($text, \e%options); .Ve .PP This will quote \f(CW$text\fR so it is interpreted literally in the shell. .PP For example, on Unix this would escape any single-quotes in \f(CW$text\fR and put single-quotes around the whole thing. .PP If \f(CW$options\fR{allow_variables} is true it will leave \f(CW\*(Aq$(FOO)\*(Aq\fR make variables untouched. If false they will be escaped like any other \&\f(CW\*(C`$\*(C'\fR. Defaults to true. .PP \fIescape_dollarsigns\fR .IX Subsection "escape_dollarsigns" .PP .Vb 1 \& my $escaped_text = $MM\->escape_dollarsigns($text); .Ve .PP Escapes stray \f(CW\*(C`$\*(C'\fR so they are not interpreted as make variables. .PP It lets by \f(CW\*(C`$(...)\*(C'\fR. .PP \fIescape_all_dollarsigns\fR .IX Subsection "escape_all_dollarsigns" .PP .Vb 1 \& my $escaped_text = $MM\->escape_all_dollarsigns($text); .Ve .PP Escapes all \f(CW\*(C`$\*(C'\fR so they are not interpreted as make variables. .PP \fIescape_newlines \fIAbstract\fI\fR .IX Subsection "escape_newlines Abstract" .PP .Vb 1 \& my $escaped_text = $MM\->escape_newlines($text); .Ve .PP Shell escapes newlines in \f(CW$text\fR. .PP \fImax_exec_len \fIAbstract\fI\fR .IX Subsection "max_exec_len Abstract" .PP .Vb 1 \& my $max_exec_len = $MM\->max_exec_len; .Ve .PP Calculates the maximum command size the \s-1OS\s0 can exec. Effectively, this is the max size of a shell command line. .PP \fImake\fR .IX Subsection "make" .PP .Vb 1 \& my $make = $MM\->make; .Ve .PP Returns the make variant we're generating the Makefile for. This attempts to do some normalization on the information from \f(CW%Config\fR or the user. .SS "Targets" .IX Subsection "Targets" These are methods which produce make targets. .PP \fIall_target\fR .IX Subsection "all_target" .PP Generate the default target 'all'. .PP \fIblibdirs_target\fR .IX Subsection "blibdirs_target" .PP .Vb 1 \& my $make_frag = $mm\->blibdirs_target; .Ve .PP Creates the blibdirs target which creates all the directories we use in blib/. .PP The blibdirs.ts target is deprecated. Depend on blibdirs instead. .PP \fIclean (o)\fR .IX Subsection "clean (o)" .PP Defines the clean target. .PP \fIclean_subdirs_target\fR .IX Subsection "clean_subdirs_target" .PP .Vb 1 \& my $make_frag = $MM\->clean_subdirs_target; .Ve .PP Returns the clean_subdirs target. This is used by the clean target to call clean on any subdirectories which contain Makefiles. .PP \fIdir_target\fR .IX Subsection "dir_target" .PP .Vb 1 \& my $make_frag = $mm\->dir_target(@directories); .Ve .PP Generates targets to create the specified directories and set its permission to \s-1PERM_DIR.\s0 .PP Because depending on a directory to just ensure it exists doesn't work too well (the modified time changes too often) \fIdir_target()\fR creates a \&.exists file in the created directory. It is this you should depend on. For portability purposes you should use the $(\s-1DIRFILESEP\s0) macro rather than a '/' to separate the directory from the file. .PP .Vb 1 \& yourdirectory$(DIRFILESEP).exists .Ve .PP \fIdistdir\fR .IX Subsection "distdir" .PP Defines the scratch directory target that will hold the distribution before tar-ing (or shar-ing). .PP \fIdist_test\fR .IX Subsection "dist_test" .PP Defines a target that produces the distribution in the scratch directory, and runs 'perl Makefile.PL; make ;make test' in that subdirectory. .PP \fIxs_dlsyms_arg\fR .IX Subsection "xs_dlsyms_arg" .PP Returns command-line arg(s) to linker for file listing dlsyms to export. Defaults to returning empty string, can be overridden by e.g. \s-1AIX.\s0 .PP \fIxs_dlsyms_ext\fR .IX Subsection "xs_dlsyms_ext" .PP Returns file-extension for \f(CW\*(C`xs_make_dlsyms\*(C'\fR method's output file, including any \*(L".\*(R" character. .PP \fIxs_dlsyms_extra\fR .IX Subsection "xs_dlsyms_extra" .PP Returns any extra text to be prepended to the \f(CW$extra\fR argument of \&\f(CW\*(C`xs_make_dlsyms\*(C'\fR. .PP \fIxs_dlsyms_iterator\fR .IX Subsection "xs_dlsyms_iterator" .PP Iterates over necessary shared objects, calling \f(CW\*(C`xs_make_dlsyms\*(C'\fR method for each with appropriate arguments. .PP \fIxs_make_dlsyms\fR .IX Subsection "xs_make_dlsyms" .PP .Vb 12 \& $self\->xs_make_dlsyms( \& \e%attribs, # hashref from %attribs in caller \& "$self\->{BASEEXT}.def", # output file for Makefile target \& \*(AqMakefile.PL\*(Aq, # dependency \& $self\->{NAME}, # shared object\*(Aqs "name" \& $self\->{DLBASE}, # last ::\-separated part of name \& $attribs{DL_FUNCS} || $self\->{DL_FUNCS} || {}, # various params \& $attribs{FUNCLIST} || $self\->{FUNCLIST} || [], \& $attribs{IMPORTS} || $self\->{IMPORTS} || {}, \& $attribs{DL_VARS} || $self\->{DL_VARS} || [], \& # optional extra param that will be added as param to Mksymlists \& ); .Ve .PP Utility method that returns Makefile snippet to call \f(CW\*(C`Mksymlists\*(C'\fR. .PP \fIdynamic (o)\fR .IX Subsection "dynamic (o)" .PP Defines the dynamic target. .PP \fImakemakerdflt_target\fR .IX Subsection "makemakerdflt_target" .PP .Vb 1 \& my $make_frag = $mm\->makemakerdflt_target .Ve .PP Returns a make fragment with the makemakerdeflt_target specified. This target is the first target in the Makefile, is the default target and simply points off to 'all' just in case any make variant gets confused or something gets snuck in before the real 'all' target. .PP \fImanifypods_target\fR .IX Subsection "manifypods_target" .PP .Vb 1 \& my $manifypods_target = $self\->manifypods_target; .Ve .PP Generates the manifypods target. This target generates man pages from all \s-1POD\s0 files in \s-1MAN1PODS\s0 and \s-1MAN3PODS.\s0 .PP \fImetafile_target\fR .IX Subsection "metafile_target" .PP .Vb 1 \& my $target = $mm\->metafile_target; .Ve .PP Generate the metafile target. .PP Writes the file \s-1META\s0.yml (\s-1YAML\s0 encoded meta-data) and \s-1META\s0.json (\s-1JSON\s0 encoded meta-data) about the module in the distdir. The format follows Module::Build's as closely as possible. .PP \fImetafile_data\fR .IX Subsection "metafile_data" .PP .Vb 1 \& my $metadata_hashref = $mm\->metafile_data(\e%meta_add, \e%meta_merge); .Ve .PP Returns the data which MakeMaker turns into the \s-1META\s0.yml file and the \s-1META\s0.json file. It is always in version 2.0 of the format. .PP Values of \f(CW%meta_add\fR will overwrite any existing metadata in those keys. \f(CW%meta_merge\fR will be merged with them. .PP \fImetafile_file\fR .IX Subsection "metafile_file" .PP .Vb 1 \& my $meta_yml = $mm\->metafile_file(@metadata_pairs); .Ve .PP Turns the \f(CW@metadata_pairs\fR into \s-1YAML.\s0 .PP This method does not implement a complete \s-1YAML\s0 dumper, being limited to dump a hash with values which are strings, undef's or nested hashes and arrays of strings. No quoting/escaping is done. .PP \fIdistmeta_target\fR .IX Subsection "distmeta_target" .PP .Vb 1 \& my $make_frag = $mm\->distmeta_target; .Ve .PP Generates the distmeta target to add \s-1META\s0.yml and \s-1META\s0.json to the \s-1MANIFEST\s0 in the distdir. .PP \fImymeta\fR .IX Subsection "mymeta" .PP .Vb 1 \& my $mymeta = $mm\->mymeta; .Ve .PP Generate \s-1MYMETA\s0 information as a hash either from an existing \s-1CPAN\s0 Meta file (\s-1META\s0.json or \s-1META\s0.yml) or from internal data. .PP \fIwrite_mymeta\fR .IX Subsection "write_mymeta" .PP .Vb 1 \& $self\->write_mymeta( $mymeta ); .Ve .PP Write \s-1MYMETA\s0 information to \s-1MYMETA\s0.json and \s-1MYMETA\s0.yml. .PP \fIrealclean (o)\fR .IX Subsection "realclean (o)" .PP Defines the realclean target. .PP \fIrealclean_subdirs_target\fR .IX Subsection "realclean_subdirs_target" .PP .Vb 1 \& my $make_frag = $MM\->realclean_subdirs_target; .Ve .PP Returns the realclean_subdirs target. This is used by the realclean target to call realclean on any subdirectories which contain Makefiles. .PP \fIsignature_target\fR .IX Subsection "signature_target" .PP .Vb 1 \& my $target = $mm\->signature_target; .Ve .PP Generate the signature target. .PP Writes the file \s-1SIGNATURE\s0 with \*(L"cpansign \-s\*(R". .PP \fIdistsignature_target\fR .IX Subsection "distsignature_target" .PP .Vb 1 \& my $make_frag = $mm\->distsignature_target; .Ve .PP Generates the distsignature target to add \s-1SIGNATURE\s0 to the \s-1MANIFEST\s0 in the distdir. .PP \fIspecial_targets\fR .IX Subsection "special_targets" .PP .Vb 1 \& my $make_frag = $mm\->special_targets .Ve .PP Returns a make fragment containing any targets which have special meaning to make. For example, .SUFFIXES and .PHONY. .SS "Init methods" .IX Subsection "Init methods" Methods which help initialize the MakeMaker object and macros. .PP \fIinit_ABSTRACT\fR .IX Subsection "init_ABSTRACT" .PP .Vb 1 \& $mm\->init_ABSTRACT .Ve .PP \fIinit_INST\fR .IX Subsection "init_INST" .PP .Vb 1 \& $mm\->init_INST; .Ve .PP Called by init_main. Sets up all INST_* variables except those related to \s-1XS\s0 code. Those are handled in init_xs. .PP \fIinit_INSTALL\fR .IX Subsection "init_INSTALL" .PP .Vb 1 \& $mm\->init_INSTALL; .Ve .PP Called by init_main. Sets up all INSTALL_* variables (except \&\s-1INSTALLDIRS\s0) and *PREFIX. .PP \fIinit_INSTALL_from_PREFIX\fR .IX Subsection "init_INSTALL_from_PREFIX" .PP .Vb 1 \& $mm\->init_INSTALL_from_PREFIX; .Ve .PP \fIinit_from_INSTALL_BASE\fR .IX Subsection "init_from_INSTALL_BASE" .PP .Vb 1 \& $mm\->init_from_INSTALL_BASE .Ve .PP \fIinit_VERSION \fIAbstract\fI\fR .IX Subsection "init_VERSION Abstract" .PP .Vb 1 \& $mm\->init_VERSION .Ve .PP Initialize macros representing versions of MakeMaker and other tools .PP \&\s-1MAKEMAKER:\s0 path to the MakeMaker module. .PP \&\s-1MM_VERSION:\s0 ExtUtils::MakeMaker Version .PP \&\s-1MM_REVISION:\s0 ExtUtils::MakeMaker version control revision (for backwards compat) .PP \&\s-1VERSION:\s0 version of your module .PP \&\s-1VERSION_MACRO:\s0 which macro represents the version (usually '\s-1VERSION\s0') .PP \&\s-1VERSION_SYM:\s0 like version but safe for use as an \s-1RCS\s0 revision number .PP \&\s-1DEFINE_VERSION: \-D\s0 line to set the module version when compiling .PP \&\s-1XS_VERSION:\s0 version in your .xs file. Defaults to $(\s-1VERSION\s0) .PP \&\s-1XS_VERSION_MACRO:\s0 which macro represents the \s-1XS\s0 version. .PP \&\s-1XS_DEFINE_VERSION: \-D\s0 line to set the xs version when compiling. .PP Called by init_main. .PP \fIinit_tools\fR .IX Subsection "init_tools" .PP .Vb 1 \& $MM\->init_tools(); .Ve .PP Initializes the simple macro definitions used by \fItools_other()\fR and places them in the \f(CW$MM\fR object. These use conservative cross platform versions and should be overridden with platform specific versions for performance. .PP Defines at least these macros. .PP .Vb 1 \& Macro Description \& \& NOOP Do nothing \& NOECHO Tell make not to display the command itself \& \& SHELL Program used to run shell commands \& \& ECHO Print text adding a newline on the end \& RM_F Remove a file \& RM_RF Remove a directory \& TOUCH Update a file\*(Aqs timestamp \& TEST_F Test for a file\*(Aqs existence \& TEST_S Test the size of a file \& CP Copy a file \& CP_NONEMPTY Copy a file if it is not empty \& MV Move a file \& CHMOD Change permissions on a file \& FALSE Exit with non\-zero \& TRUE Exit with zero \& \& UMASK_NULL Nullify umask \& DEV_NULL Suppress all command output .Ve .PP \fIinit_others\fR .IX Subsection "init_others" .PP .Vb 1 \& $MM\->init_others(); .Ve .PP Initializes the macro definitions having to do with compiling and linking used by \fItools_other()\fR and places them in the \f(CW$MM\fR object. .PP If there is no description, its the same as the parameter to \&\fIWriteMakefile()\fR documented in ExtUtils::MakeMaker. .PP \fItools_other\fR .IX Subsection "tools_other" .PP .Vb 1 \& my $make_frag = $MM\->tools_other; .Ve .PP Returns a make fragment containing definitions for the macros \fIinit_others()\fR initializes. .PP \fIinit_DIRFILESEP \fIAbstract\fI\fR .IX Subsection "init_DIRFILESEP Abstract" .PP .Vb 2 \& $MM\->init_DIRFILESEP; \& my $dirfilesep = $MM\->{DIRFILESEP}; .Ve .PP Initializes the \s-1DIRFILESEP\s0 macro which is the separator between the directory and filename in a filepath. ie. / on Unix, \e on Win32 and nothing on \s-1VMS.\s0 .PP For example: .PP .Vb 2 \& # instead of $(INST_ARCHAUTODIR)/extralibs.ld \& $(INST_ARCHAUTODIR)$(DIRFILESEP)extralibs.ld .Ve .PP Something of a hack but it prevents a lot of code duplication between MM_* variants. .PP Do not use this as a separator between directories. Some operating systems use different separators between subdirectories as between directories and filenames (for example: VOLUME:[dir1.dir2]file on \s-1VMS\s0). .PP \fIinit_linker \fIAbstract\fI\fR .IX Subsection "init_linker Abstract" .PP .Vb 1 \& $mm\->init_linker; .Ve .PP Initialize macros which have to do with linking. .PP \&\s-1PERL_ARCHIVE:\s0 path to libperl.a equivalent to be linked to dynamic extensions. .PP \&\s-1PERL_ARCHIVE_AFTER:\s0 path to a library which should be put on the linker command line \fIafter\fR the external libraries to be linked to dynamic extensions. This may be needed if the linker is one-pass, and Perl includes some overrides for C \s-1RTL\s0 functions, such as \fImalloc()\fR. .PP \&\s-1EXPORT_LIST:\s0 name of a file that is passed to linker to define symbols to be exported. .PP Some OSes do not need these in which case leave it blank. .PP \fIinit_platform\fR .IX Subsection "init_platform" .PP .Vb 1 \& $mm\->init_platform .Ve .PP Initialize any macros which are for platform specific use only. .PP A typical one is the version number of your \s-1OS\s0 specific module. (ie. MM_Unix_VERSION or \s-1MM_VMS_VERSION\s0). .PP \fIinit_MAKE\fR .IX Subsection "init_MAKE" .PP .Vb 1 \& $mm\->init_MAKE .Ve .PP Initialize \s-1MAKE\s0 from either a \s-1MAKE\s0 environment variable or \f(CW$Config\fR{make}. .SS "Tools" .IX Subsection "Tools" A grab bag of methods to generate specific macros and commands. .PP \fImanifypods\fR .IX Subsection "manifypods" .PP Defines targets and routines to translate the pods into manpages and put them into the INST_* directories. .PP \fIPOD2MAN_macro\fR .IX Subsection "POD2MAN_macro" .PP .Vb 1 \& my $pod2man_macro = $self\->POD2MAN_macro .Ve .PP Returns a definition for the \s-1POD2MAN\s0 macro. This is a program which emulates the pod2man utility. You can add more switches to the command by simply appending them on the macro. .PP Typical usage: .PP .Vb 1 \& $(POD2MAN) \-\-section=3 \-\-perm_rw=$(PERM_RW) podfile1 man_page1 ... .Ve .PP \fItest_via_harness\fR .IX Subsection "test_via_harness" .PP .Vb 1 \& my $command = $mm\->test_via_harness($perl, $tests); .Ve .PP Returns a \f(CW$command\fR line which runs the given set of \f(CW$tests\fR with Test::Harness and the given \f(CW$perl\fR. .PP Used on the t/*.t files. .PP \fItest_via_script\fR .IX Subsection "test_via_script" .PP .Vb 1 \& my $command = $mm\->test_via_script($perl, $script); .Ve .PP Returns a \f(CW$command\fR line which just runs a single test without Test::Harness. No checks are done on the results, they're just printed. .PP Used for test.pl, since they don't always follow Test::Harness formatting. .PP \fItool_autosplit\fR .IX Subsection "tool_autosplit" .PP Defines a simple perl call that runs autosplit. May be deprecated by pm_to_blib soon. .PP \fIarch_check\fR .IX Subsection "arch_check" .PP .Vb 4 \& my $arch_ok = $mm\->arch_check( \& $INC{"Config.pm"}, \& File::Spec\->catfile($Config{archlibexp}, "Config.pm") \& ); .Ve .PP A sanity check that what Perl thinks the architecture is and what Config thinks the architecture is are the same. If they're not it will return false and show a diagnostic message. .PP When building Perl it will always return true, as nothing is installed yet. .PP The interface is a bit odd because this is the result of a quick refactoring. Don't rely on it. .SS "File::Spec wrappers" .IX Subsection "File::Spec wrappers" ExtUtils::MM_Any is a subclass of File::Spec. The methods noted here override File::Spec. .PP \fIcatfile\fR .IX Subsection "catfile" .PP File::Spec <= 0.83 has a bug where the file part of catfile is not canonicalized. This override fixes that bug. .SS "Misc" .IX Subsection "Misc" Methods I can't really figure out where they should go yet. .PP \fIfind_tests\fR .IX Subsection "find_tests" .PP .Vb 1 \& my $test = $mm\->find_tests; .Ve .PP Returns a string suitable for feeding to the shell to return all tests in t/*.t. .PP \fIfind_tests_recursive\fR .IX Subsection "find_tests_recursive" .PP .Vb 1 \& my $tests = $mm\->find_tests_recursive; .Ve .PP Returns a string suitable for feeding to the shell to return all tests in t/ but recursively. Equivalent to .PP .Vb 1 \& my $tests = $mm\->find_tests_recursive_in(\*(Aqt\*(Aq); .Ve .PP \fIfind_tests_recursive_in\fR .IX Subsection "find_tests_recursive_in" .PP .Vb 1 \& my $tests = $mm\->find_tests_recursive_in($dir); .Ve .PP Returns a string suitable for feeding to the shell to return all tests in \f(CW$dir\fR recursively. .PP \fIextra_clean_files\fR .IX Subsection "extra_clean_files" .PP .Vb 1 \& my @files_to_clean = $MM\->extra_clean_files; .Ve .PP Returns a list of \s-1OS\s0 specific files to be removed in the clean target in addition to the usual set. .PP \fIinstallvars\fR .IX Subsection "installvars" .PP .Vb 1 \& my @installvars = $mm\->installvars; .Ve .PP A list of all the INSTALL* variables without the \s-1INSTALL\s0 prefix. Useful for iteration or building related variable sets. .PP \fIlibscan\fR .IX Subsection "libscan" .PP .Vb 1 \& my $wanted = $self\->libscan($path); .Ve .PP Takes a path to a file or dir and returns an empty string if we don't want to include this file in the library. Otherwise it returns the the \f(CW$path\fR unchanged. .PP Mainly used to exclude version control administrative directories and base-level \fI\s-1README\s0.pod\fR from installation. .PP \fIplatform_constants\fR .IX Subsection "platform_constants" .PP .Vb 1 \& my $make_frag = $mm\->platform_constants .Ve .PP Returns a make fragment defining all the macros initialized in \&\fIinit_platform()\fR rather than put them in \fIconstants()\fR. .PP \fIpost_constants (o)\fR .IX Subsection "post_constants (o)" .PP Returns an empty string per default. Dedicated to overrides from within Makefile.PL after all constants have been defined. .PP \fIpost_initialize (o)\fR .IX Subsection "post_initialize (o)" .PP Returns an empty string per default. Used in Makefile.PLs to add some chunk of text to the Makefile after the object is initialized. .PP \fIpostamble (o)\fR .IX Subsection "postamble (o)" .PP Returns an empty string. Can be used in Makefile.PLs to write some text to the Makefile at the end. .SH "AUTHOR" .IX Header "AUTHOR" Michael G Schwern <schwern@pobox.com> and the denizens of makemaker@perl.org with code from ExtUtils::MM_Unix and ExtUtils::MM_Win32.
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