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.IX Title "ExtUtils::Command::MM 3"
.TH ExtUtils::Command::MM 3 2026-01-17 "perl v5.42.0" "User Contributed Perl Documentation"
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.nh
.SH NAME
ExtUtils::Command::MM \- Commands for the MM\*(Aqs to use in Makefiles
.SH SYNOPSIS
.IX Header "SYNOPSIS"
.Vb 1
\&  perl "\-MExtUtils::Command::MM" \-e "function" "\-\-" arguments...
.Ve
.SH DESCRIPTION
.IX Header "DESCRIPTION"
\&\fBFOR INTERNAL USE ONLY!\fR  The interface is not stable.
.PP
ExtUtils::Command::MM encapsulates code which would otherwise have to
be done with large "one" liners.
.PP
Any $(FOO) used in the examples are make variables, not Perl.
.IP \fBtest_harness\fR 4
.IX Item "test_harness"
.Vb 1
\&  test_harness($verbose, @test_libs);
.Ve
.Sp
Runs the tests on \f(CW@ARGV\fR via Test::Harness passing through the \f(CW$verbose\fR
flag.  Any \f(CW@test_libs\fR will be unshifted onto the test\*(Aqs \f(CW@INC\fR.
.Sp
\&\f(CW@test_libs\fR are run in alphabetical order.
.IP \fBpod2man\fR 4
.IX Item "pod2man"
.Vb 5
\&  pod2man( \*(Aq\-\-option=value\*(Aq,
\&           $podfile1 => $manpage1,
\&           $podfile2 => $manpage2,
\&           ...
\&         );
\&
\&  # or args on @ARGV
.Ve
.Sp
\&\fBpod2man()\fR is a function performing most of the duties of the pod2man
program.  Its arguments are exactly the same as pod2man as of 5.8.0
with the addition of:
.Sp
.Vb 1
\&    \-\-perm_rw   octal permission to set the resulting manpage to
.Ve
.Sp
And the removal of:
.Sp
.Vb 2
\&    \-\-verbose/\-v
\&    \-\-help/\-h
.Ve
.Sp
If no arguments are given to pod2man it will read from \f(CW@ARGV\fR.
.Sp
If Pod::Man is unavailable, this function will warn and return undef.
.IP \fBwarn_if_old_packlist\fR 4
.IX Item "warn_if_old_packlist"
.Vb 1
\&  perl "\-MExtUtils::Command::MM" \-e warn_if_old_packlist <somefile>
.Ve
.Sp
Displays a warning that an old packlist file was found.  Reads the
filename from \f(CW@ARGV\fR.
.IP \fBperllocal_install\fR 4
.IX Item "perllocal_install"
.Vb 2
\&    perl "\-MExtUtils::Command::MM" \-e perllocal_install
\&        <type> <module name> <key> <value> ...
\&
\&    # VMS only, key|value pairs come on STDIN
\&    perl "\-MExtUtils::Command::MM" \-e perllocal_install
\&        <type> <module name> < <key>|<value> ...
.Ve
.Sp
Prints a fragment of POD suitable for appending to perllocal.pod.
Arguments are read from \f(CW@ARGV\fR.
.Sp
\&\*(Aqtype\*(Aq is the type of what you\*(Aqre installing.  Usually \*(AqModule\*(Aq.
.Sp
\&\*(Aqmodule name\*(Aq is simply the name of your module.  (Foo::Bar)
.Sp
Key/value pairs are extra information about the module.  Fields include:
.Sp
.Vb 5
\&    installed into      which directory your module was out into
\&    LINKTYPE            dynamic or static linking
\&    VERSION             module version number
\&    EXE_FILES           any executables installed in a space separated
\&                        list
.Ve
.IP \fBuninstall\fR 4
.IX Item "uninstall"
.Vb 1
\&    perl "\-MExtUtils::Command::MM" \-e uninstall <packlist>
.Ve
.Sp
A wrapper around \fBExtUtils::Install::uninstall()\fR.  Warns that
uninstallation is deprecated and doesn\*(Aqt actually perform the
uninstallation.
.IP \fBtest_s\fR 4
.IX Item "test_s"
.Vb 1
\&   perl "\-MExtUtils::Command::MM" \-e test_s <file>
.Ve
.Sp
Tests if a file exists and is not empty (size > 0).
\&\fIExits\fR with 0 if it does, 1 if it does not.
.IP \fBcp_nonempty\fR 4
.IX Item "cp_nonempty"
.Vb 1
\&  perl "\-MExtUtils::Command::MM" \-e cp_nonempty <srcfile> <dstfile> <perm>
.Ve
.Sp
Tests if the source file exists and is not empty (size > 0). If it is not empty
it copies it to the given destination with the given permissions.
