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ExtUtils::Mksymlists(3pPerl Programmers Reference GuiExtUtils::Mksymlists(3pm)

       ExtUtils::Mksymlists - write linker options files for dynamic extension

           use ExtUtils::Mksymlists;
           Mksymlists({ NAME     => $name ,
                        DL_VARS  => [ $var1, $var2, $var3 ],
                        DL_FUNCS => { $pkg1 => [ $func1, $func2 ],
                                      $pkg2 => [ $func3 ] });

       "ExtUtils::Mksymlists" produces files used by the linker under some OSs
       during the creation of shared libraries for dynamic extensions.  It is
       normally called from a MakeMaker-generated Makefile when the extension
       is built.  The linker option file is generated by calling the function
       "Mksymlists", which is exported by default from "ExtUtils::Mksymlists".
       It takes one argument, a list of key-value pairs, in which the
       following keys are recognized:

           This item specifies the name by which the linker knows the
           extension, which may be different from the name of the extension
           itself (for instance, some linkers add an '_' to the name of the
           extension).  If it is not specified, it is derived from the NAME
           attribute.  It is presently used only by OS2 and Win32.

           This is identical to the DL_FUNCS attribute available via
           MakeMaker, from which it is usually taken.  Its value is a
           reference to an associative array, in which each key is the name of
           a package, and each value is an a reference to an array of function
           names which should be exported by the extension.  For instance, one
           might say "DL_FUNCS => { Homer::Iliad => [ qw(trojans greeks) ],
           Homer::Odyssey => [ qw(travellers family suitors) ] }".  The
           function names should be identical to those in the XSUB code;
           "Mksymlists" will alter the names written to the linker option file
           to match the changes made by xsubpp.  In addition, if none of the
           functions in a list begin with the string boot_, "Mksymlists" will
           add a bootstrap function for that package, just as xsubpp does.
           (If a boot_<pkg> function is present in the list, it is passed
           through unchanged.)  If DL_FUNCS is not specified, it defaults to
           the bootstrap function for the extension specified in NAME.

           This is identical to the DL_VARS attribute available via MakeMaker,
           and, like DL_FUNCS, it is usually specified via MakeMaker.  Its
           value is a reference to an array of variable names which should be
           exported by the extension.

           This key can be used to specify the name of the linker option file
           (minus the OS-specific extension), if for some reason you do not
           want to use the default value, which is the last word of the NAME
           attribute (e.g. for "Tk::Canvas", FILE defaults to "Canvas").

           This provides an alternate means to specify function names to be
           exported from the extension.  Its value is a reference to an array
           of function names to be exported by the extension.  These names are
           passed through unaltered to the linker options file.  Specifying a
           value for the FUNCLIST attribute suppresses automatic generation of
           the bootstrap function for the package. To still create the
           bootstrap name you have to specify the package name in the DL_FUNCS

               Mksymlists({ NAME     => $name ,
                            FUNCLIST => [ $func1, $func2 ],
                            DL_FUNCS => { $pkg => [] } });

           This attribute is used to specify names to be imported into the
           extension. It is currently only used by OS/2 and Win32.

           This gives the name of the extension (e.g. "Tk::Canvas") for which
           the linker option file will be produced.

       When calling "Mksymlists", one should always specify the NAME
       attribute.  In most cases, this is all that's necessary.  In the case
       of unusual extensions, however, the other attributes can be used to
       provide additional information to the linker.

       Charles Bailey <bailey@newman.upenn.edu>

       Last revised 14-Feb-1996, for Perl 5.002.

perl v5.12.1                      2010-04-26         ExtUtils::Mksymlists(3pm)

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