mm_unix.pm

ARM上的如果你对底层感兴趣

=cut

sub const_cccmd {
    my($self,$libperl)=@_;
    return $self->{CONST_CCCMD} if $self->{CONST_CCCMD};
    return '' unless $self->needs_linking();
    return $self->{CONST_CCCMD} =
	q{CCCMD = $(CC) -c $(INC) $(CCFLAGS) $(OPTIMIZE) \\
	$(PERLTYPE) $(LARGE) $(SPLIT) $(DEFINE_VERSION) \\
	$(XS_DEFINE_VERSION)};
}

=item const_config (o)

Defines a couple of constants in the Makefile that are imported from
%Config.

=cut

sub const_config {
# --- Constants Sections ---

    my($self) = shift;
    my(@m,$m);
    push(@m,"\n# These definitions are from config.sh (via $INC{'Config.pm'})\n");
    push(@m,"\n# They may have been overridden via Makefile.PL or on the command line\n");
    my(%once_only);
    foreach $m (@{$self->{CONFIG}}){
	# SITE*EXP macros are defined in &constants; avoid duplicates here
	next if $once_only{$m} or $m eq 'sitelibexp' or $m eq 'sitearchexp';
	push @m, "\U$m\E = ".$self->{uc $m}."\n";
	$once_only{$m} = 1;
    }
    join('', @m);
}

=item const_loadlibs (o)

Defines EXTRALIBS, LDLOADLIBS, BSLOADLIBS, LD_RUN_PATH. See
L<ExtUtils::Liblist> for details.

=cut

sub const_loadlibs {
    my($self) = shift;
    return "" unless $self->needs_linking;
    my @m;
    push @m, qq{
# $self->{NAME} might depend on some other libraries:
# See ExtUtils::Liblist for details
#
};
    my($tmp);
    for $tmp (qw/
	 EXTRALIBS LDLOADLIBS BSLOADLIBS LD_RUN_PATH
	 /) {
	next unless defined $self->{$tmp};
	push @m, "$tmp = $self->{$tmp}\n";
    }
    return join "", @m;
}

=item constants (o)

Initializes lots of constants and .SUFFIXES and .PHONY

=cut

sub constants {
    my($self) = @_;
    my(@m,$tmp);

    for $tmp (qw/

	      AR_STATIC_ARGS NAME DISTNAME NAME_SYM VERSION
	      VERSION_SYM XS_VERSION INST_BIN INST_EXE INST_LIB
	      INST_ARCHLIB INST_SCRIPT PREFIX  INSTALLDIRS
	      INSTALLPRIVLIB INSTALLARCHLIB INSTALLSITELIB
	      INSTALLSITEARCH INSTALLBIN INSTALLSCRIPT PERL_LIB
	      PERL_ARCHLIB SITELIBEXP SITEARCHEXP LIBPERL_A MYEXTLIB
	      FIRST_MAKEFILE MAKE_APERL_FILE PERLMAINCC PERL_SRC
	      PERL_INC PERL FULLPERL

	      / ) {
	next unless defined $self->{$tmp};
	push @m, "$tmp = $self->{$tmp}\n";
    }

    push @m, qq{
VERSION_MACRO = VERSION
DEFINE_VERSION = -D\$(VERSION_MACRO)=\\\"\$(VERSION)\\\"
XS_VERSION_MACRO = XS_VERSION
XS_DEFINE_VERSION = -D\$(XS_VERSION_MACRO)=\\\"\$(XS_VERSION)\\\"
};

    push @m, qq{
MAKEMAKER = $INC{'ExtUtils/MakeMaker.pm'}
MM_VERSION = $ExtUtils::MakeMaker::VERSION
};

    push @m, q{
# FULLEXT = Pathname for extension directory (eg Foo/Bar/Oracle).
# BASEEXT = Basename part of FULLEXT. May be just equal FULLEXT. (eg Oracle)
# ROOTEXT = Directory part of FULLEXT with leading slash (eg /DBD)  !!! Deprecated from MM 5.32  !!!
# PARENT_NAME = NAME without BASEEXT and no trailing :: (eg Foo::Bar)
# DLBASE  = Basename part of dynamic library. May be just equal BASEEXT.
};

    for $tmp (qw/
	      FULLEXT BASEEXT PARENT_NAME DLBASE VERSION_FROM INC DEFINE OBJECT
	      LDFROM LINKTYPE
	      /	) {
	next unless defined $self->{$tmp};
	push @m, "$tmp = $self->{$tmp}\n";
    }

    push @m, "
# Handy lists of source code files:
XS_FILES= ".join(" \\\n\t", sort keys %{$self->{XS}})."
C_FILES = ".join(" \\\n\t", @{$self->{C}})."
O_FILES = ".join(" \\\n\t", @{$self->{O_FILES}})."
H_FILES = ".join(" \\\n\t", @{$self->{H}})."
MAN1PODS = ".join(" \\\n\t", sort keys %{$self->{MAN1PODS}})."
MAN3PODS = ".join(" \\\n\t", sort keys %{$self->{MAN3PODS}})."
";

    for $tmp (qw/
	      INST_MAN1DIR INSTALLMAN1DIR MAN1EXT INST_MAN3DIR INSTALLMAN3DIR MAN3EXT
	      /) {
	next unless defined $self->{$tmp};
	push @m, "$tmp = $self->{$tmp}\n";
    }

    for $tmp (qw(
		PERM_RW PERM_RWX
		)
	     ) {
        my $method = lc($tmp);
	# warn "self[$self] method[$method]";
        push @m, "$tmp = ", $self->$method(), "\n";
    }

    push @m, q{
.NO_CONFIG_REC: Makefile
} if $ENV{CLEARCASE_ROOT};

    # why not q{} ? -- emacs
    push @m, qq{
# work around a famous dec-osf make(1) feature(?):
makemakerdflt: all

.SUFFIXES: .xs .c .C .cpp .cxx .cc \$(OBJ_EXT)

# Nick wanted to get rid of .PRECIOUS. I don't remember why. I seem to recall, that
# some make implementations will delete the Makefile when we rebuild it. Because
# we call false(1) when we rebuild it. So make(1) is not completely wrong when it
# does so. Our milage may vary.
# .PRECIOUS: Makefile    # seems to be not necessary anymore

.PHONY: all config static dynamic test linkext manifest

# Where is the Config information that we are using/depend on
CONFIGDEP = \$(PERL_ARCHLIB)/Config.pm \$(PERL_INC)/config.h
};

    my @parentdir = split(/::/, $self->{PARENT_NAME});
    push @m, q{
# Where to put things:
INST_LIBDIR      = }. $self->catdir('$(INST_LIB)',@parentdir)        .q{
INST_ARCHLIBDIR  = }. $self->catdir('$(INST_ARCHLIB)',@parentdir)    .q{

INST_AUTODIR     = }. $self->catdir('$(INST_LIB)','auto','$(FULLEXT)')       .q{
INST_ARCHAUTODIR = }. $self->catdir('$(INST_ARCHLIB)','auto','$(FULLEXT)')   .q{
};

    if ($self->has_link_code()) {
	push @m, '
INST_STATIC  = $(INST_ARCHAUTODIR)/$(BASEEXT)$(LIB_EXT)
INST_DYNAMIC = $(INST_ARCHAUTODIR)/$(DLBASE).$(DLEXT)
INST_BOOT    = $(INST_ARCHAUTODIR)/$(BASEEXT).bs
';
    } else {
	push @m, '
INST_STATIC  =
INST_DYNAMIC =
INST_BOOT    =
';
    }

    $tmp = $self->export_list;
    push @m, "
EXPORT_LIST = $tmp
";
    $tmp = $self->perl_archive;
    push @m, "
PERL_ARCHIVE = $tmp
";

#    push @m, q{
#INST_PM = }.join(" \\\n\t", sort values %{$self->{PM}}).q{
#
#PM_TO_BLIB = }.join(" \\\n\t", %{$self->{PM}}).q{
#};

    push @m, q{
TO_INST_PM = }.join(" \\\n\t", sort keys %{$self->{PM}}).q{

PM_TO_BLIB = }.join(" \\\n\t", %{$self->{PM}}).q{
};

    join('',@m);
}

=item depend (o)

Same as macro for the depend attribute.

=cut

sub depend {
    my($self,%attribs) = @_;
    my(@m,$key,$val);
    while (($key,$val) = each %attribs){
	last unless defined $key;
	push @m, "$key: $val\n";
    }
    join "", @m;
}

=item dir_target (o)

Takes an array of directories that need to exist and returns a
Makefile entry for a .exists file in these directories. Returns
nothing, if the entry has already been processed. We're helpless
though, if the same directory comes as $(FOO) _and_ as "bar". Both of
them get an entry, that's why we use "::".

=cut

sub dir_target {
# --- Make-Directories section (internal method) ---
# dir_target(@array) returns a Makefile entry for the file .exists in each
# named directory. Returns nothing, if the entry has already been processed.
# We're helpless though, if the same directory comes as $(FOO) _and_ as "bar".
# Both of them get an entry, that's why we use "::". I chose '$(PERL)' as the
# prerequisite, because there has to be one, something that doesn't change
# too often :)

    my($self,@dirs) = @_;
    my(@m,$dir,$targdir);
    foreach $dir (@dirs) {
	my($src) = $self->catfile($self->{PERL_INC},'perl.h');
	my($targ) = $self->catfile($dir,'.exists');
	# catfile may have adapted syntax of $dir to target OS, so...
	if ($Is_VMS) { # Just remove file name; dirspec is often in macro
	    ($targdir = $targ) =~ s:/?\.exists$::;
	}
	else { # while elsewhere we expect to see the dir separator in $targ
	    $targdir = dirname($targ);
	}
	next if $self->{DIR_TARGET}{$self}{$targdir}++;
	push @m, qq{
$targ :: $src
	$self->{NOECHO}\$(MKPATH) $targdir
	$self->{NOECHO}\$(EQUALIZE_TIMESTAMP) $src $targ
};
	push(@m, qq{
	-$self->{NOECHO}\$(CHMOD) \$(PERM_RWX) $targdir
}) unless $Is_VMS;
    }
    join "", @m;
}

=item dist (o)

Defines a lot of macros for distribution support.

=cut

sub dist {
    my($self, %attribs) = @_;

    my(@m);
    # VERSION should be sanitised before use as a file name
    my($version)  = $attribs{VERSION}  || '$(VERSION)';
    my($name)     = $attribs{NAME}     || '$(DISTNAME)';
    my($tar)      = $attribs{TAR}      || 'tar';        # eg /usr/bin/gnutar
    my($tarflags) = $attribs{TARFLAGS} || 'cvf';
    my($zip)      = $attribs{ZIP}      || 'zip';        # eg pkzip Yuck!
    my($zipflags) = $attribs{ZIPFLAGS} || '-r';
    my($compress) = $attribs{COMPRESS} || 'gzip --best';
    my($suffix)   = $attribs{SUFFIX}   || '.gz';          # eg .gz
    my($shar)     = $attribs{SHAR}     || 'shar';       # eg "shar --gzip"
    my($preop)    = $attribs{PREOP}    || "$self->{NOECHO}\$(NOOP)"; # eg update MANIFEST
    my($postop)   = $attribs{POSTOP}   || "$self->{NOECHO}\$(NOOP)"; # eg remove the distdir

    my($to_unix)  = $attribs{TO_UNIX} || ($Is_OS2
					  ? "$self->{NOECHO}"
					  . '$(TEST_F) tmp.zip && $(RM) tmp.zip;'
					  . ' $(ZIP) -ll -mr tmp.zip $(DISTVNAME) && unzip -o tmp.zip && $(RM) tmp.zip'
					  : "$self->{NOECHO}\$(NOOP)");

    my($ci)       = $attribs{CI}       || 'ci -u';
    my($rcs_label)= $attribs{RCS_LABEL}|| 'rcs -Nv$(VERSION_SYM): -q';
    my($dist_cp)  = $attribs{DIST_CP}  || 'best';
    my($dist_default) = $attribs{DIST_DEFAULT} || 'tardist';

    push @m, "
DISTVNAME = ${name}-$version
TAR  = $tar
TARFLAGS = $tarflags
ZIP  = $zip
ZIPFLAGS = $zipflags
COMPRESS = $compress
SUFFIX = $suffix
SHAR = $shar
PREOP = $preop
POSTOP = $postop
TO_UNIX = $to_unix
CI = $ci
RCS_LABEL = $rcs_label
DIST_CP = $dist_cp
DIST_DEFAULT = $dist_default
";
    join "", @m;
}

=item dist_basics (o)

Defines the targets distclean, distcheck, skipcheck, manifest.

=cut

sub dist_basics {
    my($self) = shift;
    my @m;
    push @m, q{
distclean :: realclean distcheck
};

    push @m, q{
distcheck :
	$(PERL) -I$(PERL_ARCHLIB) -I$(PERL_LIB) -MExtUtils::Manifest=fullcheck \\
		-e fullcheck
};

    push @m, q{
skipcheck :
	$(PERL) -I$(PERL_ARCHLIB) -I$(PERL_LIB) -MExtUtils::Manifest=skipcheck \\
		-e skipcheck
};

    push @m, q{
manifest :
	$(PERL) -I$(PERL_ARCHLIB) -I$(PERL_LIB) -MExtUtils::Manifest=mkmanifest \\
		-e mkmanifest
};
    join "", @m;
}

=item dist_ci (o)

Defines a check in target for RCS.

=cut

sub dist_ci {
    my($self) = shift;
    my @m;
    push @m, q{
ci :
	$(PERL) -I$(PERL_ARCHLIB) -I$(PERL_LIB) -MExtUtils::Manifest=maniread \\
		-e "@all = keys %{ maniread() };" \\
		-e 'print("Executing $(CI) @all\n"); system("$(CI) @all");' \\
		-e 'print("Executing $(RCS_LABEL) ...\n"); system("$(RCS_LABEL) @all");'
};
    join "", @m;
}

=item dist_core (o)

Defeines the targets dist, tardist, zipdist, uutardist, shdist

=cut

sub dist_core {
    my($self) = shift;
    my @m;
    push @m, q{
dist : $(DIST_DEFAULT)
	}.$self->{NOECHO}.q{$(PERL) -le 'print "Warning: Makefile possibly out of date with $$vf" if ' \
	    -e '-e ($$vf="$(VERSION_FROM)") and -M $$vf < -M "}.$self->{MAKEFILE}.q{";'

tardist : $(DISTVNAME).tar$(SUFFIX)

zipdist : $(DISTVNAME).zip

$(DISTVNAME).tar$(SUFFIX) : distdir
	$(PREOP)
	$(TO_UNIX)
	$(TAR) $(TARFLAGS) $(DISTVNAME).tar $(DISTVNAME)
	$(RM_RF) $(DISTVNAME)
	$(COMPRESS) $(DISTVNAME).tar
	$(POSTOP)

$(DISTVNAME).zip : distdir
	$(PREOP)
	$(ZIP) $(ZIPFLAGS) $(DISTVNAME).zip $(DISTVNAME)
	$(RM_RF) $(DISTVNAME)
	$(POSTOP)

uutardist : $(DISTVNAME).tar$(SUFFIX)
	uuencode $(DISTVNAME).tar$(SUFFIX) \\
		$(DISTVNAME).tar$(SUFFIX) > \\
		$(DISTVNAME).tar$(SUFFIX)_uu

shdist : distdir
	$(PREOP)
	$(SHAR) $(DISTVNAME) > $(DISTVNAME).shar
	$(RM_RF) $(DISTVNAME)
	$(POSTOP)
};
    join "", @m;
}

=item dist_dir (o)

Defines the scratch directory target that will hold the distribution
before tar-ing (or shar-ing).

=cut

sub dist_dir {
    my($self) = shift;
    my @m;
    push @m, q{
distdir :
	$(RM_RF) $(DISTVNAME)
	$(PERL) -I$(PERL_ARCHLIB) -I$(PERL_LIB) -MExtUtils::Manifest=manicopy,maniread \\