extutils::mm_unix.3

视频监控网络部分的协议ddns,的模块的实现代码,请大家大胆指正.

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.\" ========================================================================
.\"
.IX Title "ExtUtils::MM_Unix 3"
.TH ExtUtils::MM_Unix 3 "2007-12-18" "perl v5.10.0" "Perl Programmers Reference Guide"
.\" 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_Unix \- methods used by ExtUtils::MakeMaker
.SH "SYNOPSIS"
.IX Header "SYNOPSIS"
\&\f(CW\*(C`require ExtUtils::MM_Unix;\*(C'\fR
.SH "DESCRIPTION"
.IX Header "DESCRIPTION"
The methods provided by this package are designed to be used in
conjunction with ExtUtils::MakeMaker. When MakeMaker writes a
Makefile, it creates one or more objects that inherit their methods
from a package \f(CW\*(C`MM\*(C'\fR. \s-1MM\s0 itself doesn't provide any methods, but it
\&\s-1ISA\s0 ExtUtils::MM_Unix class. The inheritance tree of \s-1MM\s0 lets operating
specific packages take the responsibility for all the methods provided
by MM_Unix. We are trying to reduce the number of the necessary
overrides by defining rather primitive operations within
ExtUtils::MM_Unix.
.PP
If you are going to write a platform specific \s-1MM\s0 package, please try
to limit the necessary overrides to primitive methods, and if it is not
possible to do so, let's work out how to achieve that gain.
.PP
If you are overriding any of these methods in your Makefile.PL (in the
\&\s-1MY\s0 class), please report that to the makemaker mailing list. We are
trying to minimize the necessary method overrides and switch to data
driven Makefile.PLs wherever possible. In the long run less methods
will be overridable via the \s-1MY\s0 class.
.SH "METHODS"
.IX Header "METHODS"
The following description of methods is still under
development. Please refer to the code for not suitably documented
sections and complain loudly to the [e-mail] mailing list.
Better yet, provide a patch.
.PP
Not all of the methods below are overridable in a
Makefile.PL. Overridable methods are marked as (o). All methods are
overridable by a platform specific MM_*.pm file.
.PP
Cross-platform methods are being moved into MM_Any.  If you can't find
something that used to be in here, look in MM_Any.
.Sh "Methods"
.IX Subsection "Methods"
.IP "os_flavor" 4
.IX Item "os_flavor"
Simply says that we're Unix.
.IP "c_o (o)" 4
.IX Item "c_o (o)"
Defines the suffix rules to compile different flavors of C files to
object files.
.IP "cflags (o)" 4
.IX Item "cflags (o)"
Does very much the same as the cflags script in the perl
distribution. It doesn't return the whole compiler command line, but
initializes all of its parts. The const_cccmd method then actually
returns the definition of the \s-1CCCMD\s0 macro which uses these parts.
.IP "const_cccmd (o)" 4
.IX Item "const_cccmd (o)"
Returns the full compiler call for C programs and stores the
definition in \s-1CONST_CCCMD\s0.
.IP "const_config (o)" 4
.IX Item "const_config (o)"
Defines a couple of constants in the Makefile that are imported from
\&\f(CW%Config\fR.
.IP "const_loadlibs (o)" 4
.IX Item "const_loadlibs (o)"
Defines \s-1EXTRALIBS\s0, \s-1LDLOADLIBS\s0, \s-1BSLOADLIBS\s0, \s-1LD_RUN_PATH\s0. See
ExtUtils::Liblist for details.
.IP "constants (o)" 4
.IX Item "constants (o)"
.Vb 1
\&  my $make_frag = $mm\->constants;
.Ve
.Sp
Prints out macros for lots of constants.
.IP "depend (o)" 4
.IX Item "depend (o)"
Same as macro for the depend attribute.
.IP "init_DEST" 4
.IX Item "init_DEST"
.Vb 1
\&  $mm\->init_DEST
.Ve
.Sp
Defines the \s-1DESTDIR\s0 and DEST* variables paralleling the INSTALL*.
.IP "init_dist" 4
.IX Item "init_dist"
.Vb 1
\&  $mm\->init_dist;
.Ve
.Sp
Defines a lot of macros for distribution support.
.Sp
.Vb 1
\&  macro         description                     default
\&
\&  TAR           tar command to use              tar
\&  TARFLAGS      flags to pass to TAR            cvf
\&
\&  ZIP           zip command to use              zip
\&  ZIPFLAGS      flags to pass to ZIP            \-r
\&
\&  COMPRESS      compression command to          gzip \-\-best
\&                use for tarfiles
\&  SUFFIX        suffix to put on                .gz 
\&                compressed files
\&
\&  SHAR          shar command to use             shar
\&
\&  PREOP         extra commands to run before
\&                making the archive 
\&  POSTOP        extra commands to run after
\&                making the archive
\&
\&  TO_UNIX       a command to convert linefeeds
\&                to Unix style in your archive 
\&
\&  CI            command to checkin your         ci \-u
\&                sources to version control
\&  RCS_LABEL     command to label your sources   rcs \-Nv$(VERSION_SYM): \-q
\&                just after CI is run
\&
\&  DIST_CP       $how argument to manicopy()     best
\&                when the distdir is created
\&
\&  DIST_DEFAULT  default target to use to        tardist
\&                create a distribution
\&
\&  DISTVNAME     name of the resulting archive   $(DISTNAME)\-$(VERSION)
\&                (minus suffixes)
.Ve
.IP "dist (o)" 4
.IX Item "dist (o)"
.Vb 1
\&  my $dist_macros = $mm\->dist(%overrides);
.Ve
.Sp
Generates a make fragment defining all the macros initialized in
init_dist.
.Sp
\&\f(CW%overrides\fR can be used to override any of the above.
.IP "dist_basics (o)" 4
.IX Item "dist_basics (o)"
Defines the targets distclean, distcheck, skipcheck, manifest, veryclean.
.IP "dist_ci (o)" 4
.IX Item "dist_ci (o)"
Defines a check in target for \s-1RCS\s0.
.IP "dist_core (o)" 4
.IX Item "dist_core (o)"
.Vb 1
\&  my $dist_make_fragment = $MM\->dist_core;
.Ve
.Sp
Puts the targets necessary for 'make dist' together into one make
fragment.
.IP "\fBdist_target\fR" 4
.IX Item "dist_target"
.Vb 1
\&  my $make_frag = $MM\->dist_target;
.Ve
.Sp
Returns the 'dist' target to make an archive for distribution.  This
target simply checks to make sure the Makefile is up-to-date and
depends on $(\s-1DIST_DEFAULT\s0).
.IP "\fBtardist_target\fR" 4
.IX Item "tardist_target"
.Vb 1
\&  my $make_frag = $MM\->tardist_target;
.Ve
.Sp
Returns the 'tardist' target which is simply so 'make tardist' works.
The real work is done by the dynamically named \fItardistfile_target()\fR
method, tardist should have that as a dependency.
.IP "\fBzipdist_target\fR" 4
.IX Item "zipdist_target"
.Vb 1
\&  my $make_frag = $MM\->zipdist_target;
.Ve
.Sp
Returns the 'zipdist' target which is simply so 'make zipdist' works.
The real work is done by the dynamically named \fIzipdistfile_target()\fR
method, zipdist should have that as a dependency.
.IP "\fBtarfile_target\fR" 4
.IX Item "tarfile_target"
.Vb 1
\&  my $make_frag = $MM\->tarfile_target;
.Ve
.Sp
The name of this target is the name of the tarball generated by
tardist.  This target does the actual work of turning the distdir into
a tarball.
.IP "zipfile_target" 4
.IX Item "zipfile_target"
.Vb 1
\&  my $make_frag = $MM\->zipfile_target;
.Ve
.Sp
The name of this target is the name of the zip file generated by
zipdist.  This target does the actual work of turning the distdir into
a zip file.
.IP "uutardist_target" 4
.IX Item "uutardist_target"
.Vb 1
\&  my $make_frag = $MM\->uutardist_target;
.Ve
.Sp
Converts the tarfile into a uuencoded file
.IP "shdist_target" 4
.IX Item "shdist_target"