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#! perl -w
use strict ;
require 5.006 ;
use lib '.';
use private::MakeUtil;
use ExtUtils::MakeMaker 5.16 ;
use ExtUtils::Install (); # only needed to check for version
use Config;
my $ZLIB_LIB ;
my $ZLIB_INCLUDE ;
my $BUILD_ZLIB = 0 ;
my $OLD_ZLIB = '' ;
my $WALL = '' ;
my $GZIP_OS_CODE = -1 ;
my $USE_PPPORT_H = ($ENV{PERL_CORE}) ? '' : '-DUSE_PPPORT_H';
my $OPTIMIZE = $Config{'optimize'};
if ($Config{'gccversion'} and $OPTIMIZE =~ /-g (gdb)? 3/x) {
$OPTIMIZE =~ s/-g(gdb)?3/-g/g; # [88936] out of memory with -g3 since 2.062
}
# Windows uses a different name for the zlib library
my $ZLIB_LIBRARY_NAME = $^O eq 'MSWin32' ? 'zlib' : 'z' ;
#$WALL = ' -pedantic ' if $Config{'cc'} =~ /gcc/ ;
#$WALL = ' -Wall -Wno-comment ' if $Config{'cc'} =~ /gcc/ ;
# Ticket #18986 says that ExtUtils::Install 1.39 fixes the in-use issue
# on win32/cygwin, so make the code below conditional on the version of
# ExtUtils::Install.
# Don't ask if MM_USE_DEFAULT is set -- enables perl core building on cygwin
if ($^O =~ /cygwin/i and $ExtUtils::Install::VERSION < 1.39
and not ($ENV{PERL_MM_USE_DEFAULT} or $ENV{PERL_CORE}))
{
print <<EOM ;
I see you are running Cygwin.
Please note that this module cannot be installed on Cygwin using the CPAN
shell. The CPAN Shell uses Compress::Raw::Zlib internally and it is not
possible to delete an active DLL.
If you are running the CPAN shell, please exit it and install this module
by hand by running 'make install' under the directory
~/.cpan/build/Compress-Raw-Zlib-VERSION
EOM
print "Do you want to continue? [Y/N]: " ;
my $answer = <STDIN> ;
if ($answer =~ /^yes|y/i)
{
print "continuing...\n"
}
else
{
print "exiting...\n" ;
exit 1 ;
}
}
ParseCONFIG() ;
UpDowngrade(getPerlFiles('MANIFEST'))
unless $ENV{PERL_CORE};
WriteMakefile(
NAME => 'Compress::Raw::Zlib',
VERSION_FROM => 'lib/Compress/Raw/Zlib.pm',
INC => "-I$ZLIB_INCLUDE" ,
DEFINE => "-DNO_VIZ -DZ_SOLO $OLD_ZLIB $WALL -DGZIP_OS_CODE=$GZIP_OS_CODE $USE_PPPORT_H" ,
XS => { 'Zlib.xs' => 'Zlib.c'},
'depend' => { 'Makefile' => 'config.in' },
'clean' => { FILES => '*.c constants.h constants.xs' },
'dist' => { COMPRESS => 'gzip',
TARFLAGS => '-chvf',
SUFFIX => 'gz',
DIST_DEFAULT => 'MyTrebleCheck tardist',
},
(
$BUILD_ZLIB
? zlib_files($ZLIB_LIB)
: (LIBS => [ "-L$ZLIB_LIB -l$ZLIB_LIBRARY_NAME " ])
),
OPTIMIZE => $OPTIMIZE,
INSTALLDIRS => ($] >= 5.009 && $] < 5.011 ? 'perl' : 'site'),
META_MERGE => {
no_index => {
directory => [ 't', 'private' ],
},
},
((ExtUtils::MakeMaker->VERSION() gt '6.30') ?
('LICENSE' => 'perl') : ()),
) ;
sub version_Macro
{
my $ver = shift ;
return [ "#if ZLIB_VERNUM >= 0x$ver\n", "#endif\n" ];
}
my @names = qw(
DEF_WBITS
MAX_MEM_LEVEL
MAX_WBITS
OS_CODE
Z_ASCII
Z_BEST_COMPRESSION
Z_BEST_SPEED
Z_BINARY
Z_BLOCK
Z_BUF_ERROR
Z_DATA_ERROR
Z_DEFAULT_COMPRESSION
Z_DEFAULT_STRATEGY
Z_DEFLATED
Z_ERRNO
Z_FILTERED
Z_FINISH
Z_FIXED
Z_FULL_FLUSH
Z_HUFFMAN_ONLY
Z_MEM_ERROR
Z_NEED_DICT
Z_NO_COMPRESSION
Z_NO_FLUSH
Z_NULL
Z_OK
Z_PARTIAL_FLUSH
Z_RLE
Z_STREAM_END
Z_STREAM_ERROR
Z_SYNC_FLUSH
Z_UNKNOWN
Z_VERSION_ERROR
);
#ZLIB_VERNUM
my %verSpecificNames = (
Z_TREES => '1240',
);
if (eval {require ExtUtils::Constant; 1}) {
# Check the constants above all appear in @EXPORT in Zlib.pm
my %names = %verSpecificNames, map { $_, 1} @names, 'ZLIB_VERSION';
open F, "<lib/Compress/Raw/Zlib.pm" or die "Cannot open Zlib.pm: $!\n";
while (<F>)
{
last if /^\s*\@EXPORT\s+=\s+qw\(/ ;
}
while (<F>)
{
last if /^\s*\)/ ;
/(\S+)/ ;
delete $names{$1} if defined $1 ;
}
close F ;
if ( keys %names )
{
my $missing = join ("\n\t", sort keys %names) ;
die "The following names are missing from \@EXPORT in Zlib.pm\n" .
"\t$missing\n" ;
}
push @names, { name => 'ZLIB_VERSION', type => 'PV' };
push @names, map { { name => $_,
macro => version_Macro $verSpecificNames{$_}
}
}
keys %verSpecificNames ;
ExtUtils::Constant::WriteConstants(
NAME => 'Zlib',
NAMES => \@names,
C_FILE => 'constants.h',
XS_FILE => 'constants.xs',
);
}
else {
foreach my $name (qw( constants.h constants.xs ))
{
my $from = catfile('fallback', $name);
copy ($from, $name)
or die "Can't copy $from to $name: $!";
}
}
sub ParseCONFIG
{
my ($k, $v) ;
my @badkey = () ;
my %Info = () ;
my @Options = qw( INCLUDE LIB BUILD_ZLIB OLD_ZLIB GZIP_OS_CODE ) ;
my %ValidOption = map {$_, 1} @Options ;
my %Parsed = %ValidOption ;
my $CONFIG = 'config.in' ;
print "Parsing $CONFIG...\n" ;
open(F, "<$CONFIG") or die "Cannot open file $CONFIG: $!\n" ;
while (<F>) {
s/^\s*|\s*$//g ;
next if /^\s*$/ or /^\s*#/ ;
s/\s*#\s*$// ;
($k, $v) = split(/\s+=\s+/, $_, 2) ;
$k = uc $k ;
if ($ValidOption{$k}) {
delete $Parsed{$k} ;
$Info{$k} = $v ;
}
else {
push(@badkey, $k) ;
}
}
close F ;
print "Unknown keys in $CONFIG ignored [@badkey]\n"
if @badkey ;
# check parsed values
my @missing = () ;
die "The following keys are missing from $CONFIG [@missing]\n"
if @missing = keys %Parsed ;
$ZLIB_INCLUDE = defined $ENV{'ZLIB_INCLUDE'}
? $ENV{'ZLIB_INCLUDE'}
: $Info{'INCLUDE'} ;
$ZLIB_LIB = defined $ENV{'ZLIB_LIB'}
?$ENV{'ZLIB_LIB'}
: $Info{'LIB'} ;
if ($^O eq 'VMS') {
$ZLIB_INCLUDE = VMS::Filespec::vmspath($ZLIB_INCLUDE);
$ZLIB_LIB = VMS::Filespec::vmspath($ZLIB_LIB);
}
my $y = defined $ENV{'OLD_ZLIB'}
? $ENV{'OLD_ZLIB'}
: $Info{'OLD_ZLIB'} ;
$OLD_ZLIB = '-DOLD_ZLIB' if $y and $y =~ /^yes|on|true|1$/i;
my $x = defined $ENV{'BUILD_ZLIB'}
? $ENV{'BUILD_ZLIB'}
: $Info{'BUILD_ZLIB'} ;
if ($x and $x =~ /^yes|on|true|1$/i ) {
$BUILD_ZLIB = 1 ;
# ZLIB_LIB & ZLIB_INCLUDE must point to the same place when
# BUILD_ZLIB is specified.
die "INCLUDE & LIB must be the same when BUILD_ZLIB is True\n"
if $ZLIB_LIB ne $ZLIB_INCLUDE ;
# Check the zlib source directory exists
die "LIB/INCLUDE directory '$ZLIB_LIB' does not exits\n"
unless -d $ZLIB_LIB ;
# check for a well known file
die "LIB/INCLUDE directory, '$ZLIB_LIB', doesn't seem to have the zlib source files\n"
unless -e catfile($ZLIB_LIB, 'zlib.h') ;
# write the Makefile
print "Building Zlib enabled\n" ;
}
$GZIP_OS_CODE = defined $ENV{'GZIP_OS_CODE'}
? $ENV{'GZIP_OS_CODE'}
: $Info{'GZIP_OS_CODE'} ;
die "GZIP_OS_CODE not 'AUTO_DETECT' or a number between 0 and 255\n"
unless uc $GZIP_OS_CODE eq 'AUTO_DETECT'
|| ( $GZIP_OS_CODE =~ /^(\d+)$/ && $1 >= 0 && $1 <= 255) ;
if (uc $GZIP_OS_CODE eq 'AUTO_DETECT')
{
print "Auto Detect Gzip OS Code..\n" ;
$GZIP_OS_CODE = getOSCode() ;
}
my $name = getOSname($GZIP_OS_CODE);
print "Setting Gzip OS Code to $GZIP_OS_CODE [$name]\n" ;
print <<EOM if 0 ;
INCLUDE [$ZLIB_INCLUDE]
LIB [$ZLIB_LIB]
GZIP_OS_CODE [$GZIP_OS_CODE]
OLD_ZLIB [$OLD_ZLIB]
BUILD_ZLIB [$BUILD_ZLIB]
EOM
print "Looks Good.\n" ;
}
sub zlib_files
{
my $dir = shift ;
my @h_files = ();
my @c_files = ();
if (-f catfile($dir, "infback.c")) {
# zlib 1.2.0 or greater
#
@h_files = qw(crc32.h inffast.h inflate.h trees.h zconf.in.h
zutil.h deflate.h inffixed.h inftrees.h zconf.h
zlib.h
);
@c_files = qw(adler32 crc32 infback inflate uncompr
compress deflate inffast inftrees
trees zutil
);
}
else {
# zlib 1.1.x
@h_files = qw(deflate.h infcodes.h inftrees.h zconf.h zutil.h
infblock.h inffast.h infutil.h zlib.h
);
@c_files = qw(adler32 compress crc32 uncompr
deflate trees zutil inflate infblock
inftrees infcodes infutil inffast
);
}
@h_files = map { catfile($dir, $_) } @h_files ;
my @o_files = map { "$_\$(OBJ_EXT)" } 'Zlib', @c_files;
@c_files = map { "$_.c" } 'Zlib', @c_files ;
foreach my $file (@c_files)
{ copy(catfile($dir, $file), '.') }
return (
#'H' => [ @h_files ],
'C' => [ @c_files ] ,
#'OBJECT' => qq[ @o_files ],
'OBJECT' => q[ $(O_FILES) ],
) ;
}
use vars qw ( @GZIP_OS_Names %OSnames) ;
BEGIN
{
@GZIP_OS_Names = (
[ '' => 0, 'MS-DOS' ],
[ 'amigaos' => 1, 'Amiga' ],
[ 'VMS' => 2, 'VMS' ],
[ '' => 3, 'Unix/Default' ],
[ '' => 4, 'VM/CMS' ],
[ '' => 5, 'Atari TOS' ],
[ 'os2' => 6, 'HPFS (OS/2, NT)' ],
[ 'MacOS' => 7, 'Macintosh' ],
[ '' => 8, 'Z-System' ],
[ '' => 9, 'CP/M' ],
[ '' => 10, 'TOPS-20' ],
[ '' => 11, 'NTFS (NT)' ],
[ '' => 12, 'SMS QDOS' ],
[ '' => 13, 'Acorn RISCOS' ],
[ 'MSWin32' => 14, 'VFAT file system (Win95, NT)' ],
[ '' => 15, 'MVS' ],
[ 'beos' => 16, 'BeOS' ],
[ '' => 17, 'Tandem/NSK' ],
[ '' => 18, 'THEOS' ],
[ '' => 255, 'Unknown OS' ],
);
%OSnames = map { $$_[1] => $$_[2] }
@GZIP_OS_Names ;
}
sub getOSCode
{
my $default = 3 ; # Unix is the default
my $uname = $^O;
for my $h (@GZIP_OS_Names)
{
my ($pattern, $code, $name) = @$h;
return $code
if $pattern && $uname eq $pattern ;
}
return $default ;
}
sub getOSname
{
my $code = shift ;
return $OSnames{$code} || 'Unknown OS' ;
}
# end of file Makefile.PL
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