1use 5.7.2;
2use strict;
3use ExtUtils::MakeMaker;
4
5my $name = 'EBCDIC';
6my %tables = (
7          ebcdic_t  =>
8          ['posix-bc.ucm',
9           qw(cp037.ucm cp1026.ucm cp1047.ucm cp500.ucm cp875.ucm),
10           ],
11          );
12
13WriteMakefile(
14              INC		=> "-I../Encode",
15          NAME		=> 'Encode::'.$name,
16          VERSION_FROM	=> "$name.pm",
17          OBJECT		=> '$(O_FILES)',
18          'dist'		=> {
19          COMPRESS	=> 'gzip -9f',
20          SUFFIX	=> 'gz',
21          DIST_DEFAULT => 'all tardist',
22          },
23          MAN3PODS	=> {},
24          # OS 390 winges about line numbers > 64K ???
25          XSOPT => '-nolinenumbers',
26          );
27
28package MY;
29
30sub post_initialize
31{
32    my ($self) = @_;
33    my %o;
34    my $x = $self->{'OBJ_EXT'};
35    # Add the table O_FILES
36    foreach my $e (keys %tables)
37    {
38    $o{$e.$x} = 1;
39    }
40    $o{"$name$x"} = 1;
41    $self->{'O_FILES'} = [sort keys %o];
42    my @files = ("$name.xs");
43    $self->{'C'} = ["$name.c"];
44    $self->{SOURCE} .= " $name.c"
45        if $^O eq 'MacOS' && $self->{SOURCE} !~ /\b$name\.c\b/;
46    $self->{'H'} = [$self->catfile($self->updir,'Encode', 'encode.h')];
47    my %xs;
48    foreach my $table (sort keys %tables) {
49    push (@{$self->{'C'}},"$table.c");
50    # Do NOT add $table.h etc. to H_FILES unless we own up as to how they
51    # get built.
52    foreach my $ext (qw($(OBJ_EXT) .c .h .exh .fnm)) {
53        push (@files,$table.$ext);
54    }
55    $self->{SOURCE} .= " $table.c"
56        if $^O eq 'MacOS' && $self->{SOURCE} !~ /\b$table\.c\b/;
57    }
58    $self->{'XS'} = { "$name.xs" => "$name.c" };
59    $self->{'clean'}{'FILES'} .= join(' ',@files);
60    open(XS,">$name.xs") || die "Cannot open $name.xs:$!";
61    print XS <<'END';
62#define PERL_NO_GET_CONTEXT
63#include <EXTERN.h>
64#include <perl.h>
65#include <XSUB.h>
66#include "encode.h"
67END
68    foreach my $table (sort keys %tables) {
69    print XS qq[#include "${table}.h"\n];
70    }
71    print XS <<"END";
72
73static void
74Encode_XSEncoding(pTHX_ encode_t *enc)
75{
76 dSP;
77 HV *stash = gv_stashpv("Encode::XS", TRUE);
78 SV *iv    = newSViv(PTR2IV(enc));
79 SV *sv    = sv_bless(newRV_noinc(iv),stash);
80 int i = 0;
81 /* with the SvLEN() == 0 hack, PVX won't be freed. We cast away name's
82 constness, in the hope that perl won't mess with it. */
83 assert(SvTYPE(iv) >= SVt_PV); assert(SvLEN(iv) == 0);
84 SvFLAGS(iv) |= SVp_POK;
85 SvPVX(iv) = (char*) enc->name[0];
86 PUSHMARK(sp);
87 XPUSHs(sv);
88 while (enc->name[i])
89  {
90   const char *name = enc->name[i++];
91   XPUSHs(sv_2mortal(newSVpvn(name,strlen(name))));
92  }
93 PUTBACK;
94 call_pv("Encode::define_encoding",G_DISCARD);
95 SvREFCNT_dec(sv);
96}
97
98MODULE = Encode::$name	PACKAGE = Encode::$name
99PROTOTYPES: DISABLE
100BOOT:
101{
102END
103    foreach my $table (sort keys %tables) {
104    print XS qq[#include "${table}.exh"\n];
105    }
106    print XS "}\n";
107    close(XS);
108    return "# Built $name.xs\n\n";
109}
110
111sub postamble
112{
113    my $self = shift;
114    my $dir  = $self->catdir($self->updir,'ucm');
115    my $str  = "# $name\$(OBJ_EXT) depends on .h and .exh files not .c files - but all written by enc2xs\n";
116    $str    .= "$name.c : $name.xs ";
117    foreach my $table (sort keys %tables)
118    {
119    $str .= " $table.c";
120    }
121    $str .= "\n\n";
122    $str .= "$name\$(OBJ_EXT) : $name.c\n\n";
123
124    my $enc2xs = $self->catfile($self->updir,'bin', 'enc2xs');
125    foreach my $table (sort keys %tables)
126    {
127    my $numlines = 1;
128    my $lengthsofar = length($str);
129    my $continuator = '';
130    $str .= "$table.c : $enc2xs Makefile.PL";
131    foreach my $file (@{$tables{$table}})
132    {
133        $str .= $continuator.' '.$self->catfile($dir,$file);
134        if ( length($str)-$lengthsofar > 128*$numlines )
135        {
136        $continuator .= " \\\n\t";
137        $numlines++;
138        } else {
139        $continuator = '';
140        }
141    }
142    my $plib   = $self->{PERL_CORE} ? '"-I$(PERL_LIB)"' : '';
143    $plib .= " -MCross=$::Cross::platform" if defined $::Cross::platform;
144    my $ucopts = '-"Q" -"O"';
145    $str .=
146        qq{\n\t\$(PERL) $plib $enc2xs $ucopts -o \$\@ -f $table.fnm\n\n};
147    open (FILELIST, ">$table.fnm")
148        || die "Could not open $table.fnm: $!";
149    foreach my $file (@{$tables{$table}})
150    {
151        print FILELIST $self->catfile($dir,$file) . "\n";
152    }
153    close(FILELIST);
154    }
155    return $str;
156}
157
158