ExtUtils::MakeMaker

PL_FILES

MakeMaker can run programs to generate files for you at build time. By default any file named *.PL (except Makefile.PL and Build.PL) in the top level directory will be assumed to be a Perl program and run passing its own basename in as an argument. For example...

PM

Hashref of .pm files and *.pl files to be installed. e.g. 

      {'name_of_file.pm' => '$(INST_LIBDIR)/install_as.pm'}

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By default this will include *.pm and *.pl and the files found in the PMLIBDIRS directories. Defining PM in the Makefile.PL will override PMLIBDIRS. PMLIBDIRS

Ref to array of subdirectories containing library files. Defaults to [ 'lib', $(BASEEXT) ]. The directories will be scanned and any files they contain will be installed in the corresponding location in the library. A libscan() method can be used to alter the behaviour. Defining PM in the Makefile.PL will override PMLIBDIRS. 

    (Where BASEEXT is the last component of NAME.)

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Also, before perl had modules (*.pm), libraries were *.pl files, so *.pl files are assumed to be perl4 style compatibility modules

In reply to Re^2: Why Makefile.PL is called Makefile.PL with capitalized .PL ? by Anonymous Monk
in thread Why Makefile.PL is called Makefile.PL with capitalized .PL ? by cosimo

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