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ExtUtils::Mksymlists(3User Contributed Perl DocumentatiExtUtils::Mksymlists(3)
NAME
ExtUtils::Mksymlists - write linker options files for dynamic extension
SYNOPSIS
use ExtUtils::Mksymlists;
Mksymlists({ NAME => $name ,
DL_VARS => [ $var1, $var2, $var3 ],
DL_FUNCS => { $pkg1 => [ $func1, $func2 ],
$pkg2 => [ $func3 ] });
DESCRIPTION
"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:
DLBASE
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.
DL_FUNCS
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 func-
tion for the extension specified in NAME.
DL_VARS
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.
FILE
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").
FUNCLIST
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 hash:
Mksymlists({ NAME => $name ,
FUNCLIST => [ $func1, $func2 ],
DL_FUNCS => { $pkg => [] } });
IMPORTS
This attribute is used to specify names to be imported into the extension. It
is currently only used by OS/2 and Win32.
NAME
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.
AUTHOR
Charles Bailey <bailey AT newman.edu>
REVISION
Last revised 14-Feb-1996, for Perl 5.002.
perl v5.8.6 2007-02-21 ExtUtils::Mksymlists(3)
Generated by $Id: phpMan.php,v 4.55 2007/09/05 04:42:51 chedong Exp $ Author: Che Dong
On Apache/1.3.41 (Unix) PHP/5.2.5 mod_perl/1.30 mod_gzip/1.3.26.1a
Under GNU General Public License
2009-01-10 06:44 @38.103.63.58 CrawledBy CCBot/1.0 (+http://www.commoncrawl.org/bot.html)