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|
#! perl -w
use strict;
use 5.006;
use ExtUtils::MakeMaker;
use Config ;
use File::Copy ;
BEGIN {
eval { require File::Spec::Functions ; File::Spec::Functions->import( catfile rel2abs ) } ;
*catfile = sub { return join( '/', @_ ) } if $@;
}
require VMS::Filespec if $^O eq 'VMS';
my $BZLIB_BIN ;
my $BZLIB_LIB ;
my $BZLIB_INCLUDE ;
my $BUILD_BZLIB = 0; # override with env BUILD_BZLIB=1
ParseCONFIG() ;
my %Bzip2 = ( pm => catfile( qw( lib Compress Bzip2.pm ) ),
lib => catfile( 'bzlib-src', 'libbz2'.$Config{_a} ) );
my $dlflags = $Config{ccdlflags}; # RT 105096
if ($Config{ld} ne $Config{cc} and $Config{ld} =~ m{^(.*/)?\w*ld\w*$}) {
my @flags;
for (split m/\s+/ => $dlflags) {
s/^-Wl,(-+[-\w]+),/$1 / or s/^-Wl,//;
push @flags, $_;
}
$dlflags = join " " => @flags;
}
# See lib/ExtUtils/MakeMaker.pm for details of how to influence
# the contents of the Makefile that is written.
WriteMakefile(
NAME => 'Compress::Bzip2',
VERSION_FROM => $Bzip2{pm},
PREREQ_PM => {
'constant' => 1.04, # for constant => {}
'Test::More' => 0,
'File::Spec' => 0,
'File::Copy' => 0,
'Config' => 0,
'Carp' => 0,
'Getopt::Std'=> 0,
'Fcntl' => 0,
},
XS => { 'Bzip2.xs' => 'Bzip2.c' },
($] >= 5.005 ?
(ABSTRACT_FROM => $Bzip2{pm},
AUTHOR => 'Rob Janes <arjay@cpan.org>') : ()),
LIBS => $BUILD_BZLIB ? [] : [ $BZLIB_LIB ? "-L$BZLIB_LIB -lbz2" : '-lbz2' ],
# ccdlflags needed for -R [cpan #68572, #105096]
LDDLFLAGS => $Config{lddlflags} . " " . $dlflags,
INC => $BUILD_BZLIB ? '-Ibzlib-src' : $BZLIB_INCLUDE ? "-I$BZLIB_INCLUDE" : '',
clean => {
FILES=>
join(' ',
map { catfile( split( /\//, $_ ) ) }
qw( const-c.inc const-xs.inc junk* bztest show_bzversion t/???-tmp-* ))
},
depend => { 'Makefile' => 'config.in' },
NORECURS => $BUILD_BZLIB ? 0 : 1,
($BUILD_BZLIB ? ( MYEXTLIB => $Bzip2{lib} ) : ()),
($ExtUtils::MakeMaker::VERSION gt '6.46' ?
('LICENSE' => 'perl',
'META_MERGE' =>
{"recommends" =>
{
'Compress::Zlib' => '1.19',
'IO::Compress::Bzip2' => '2.060',
'Compress::Raw::Bzip2' => '2.060',
},
resources =>
{
license => 'http://dev.perl.org/licenses/',
repository => 'https://github.com/rurban/Compress-Bzip2',
},
}
) : ()),
SIGN => 1,
);
if (eval {require ExtUtils::Constant; 1}) {
# If you edit these definitions to change the constants used by this module,
# you will need to use the generated const-c.inc and const-xs.inc
# files to replace their "fallback" counterparts before distributing your
# changes.
my @names = (qw(BZ_CONFIG_ERROR BZ_DATA_ERROR BZ_DATA_ERROR_MAGIC
BZ_FINISH BZ_FINISH_OK BZ_FLUSH BZ_FLUSH_OK BZ_IO_ERROR
BZ_MAX_UNUSED BZ_MEM_ERROR BZ_OK BZ_OUTBUFF_FULL
BZ_PARAM_ERROR BZ_RUN BZ_RUN_OK BZ_SEQUENCE_ERROR
BZ_STREAM_END BZ_UNEXPECTED_EOF));
ExtUtils::Constant::WriteConstants(
NAME => 'Compress::Bzip2',
NAMES => \@names,
DEFAULT_TYPE => 'IV',
C_FILE => 'const-c.inc',
XS_FILE => 'const-xs.inc',
);
}
else {
use File::Copy;
use File::Spec;
foreach my $file ('const-c.inc', 'const-xs.inc') {
my $fallback = catfile('fallback', $file);
copy ($fallback, $file) or die "Can't copy $fallback to $file: $!";
}
}
sub MY::postamble {
!$BUILD_BZLIB ? '' :
'
$(MYEXTLIB): '.catfile( qw( bzlib-src Makefile ) ).'
cd bzlib-src && $(MAKE) $(PASSTHRU)
';
}
sub ParseCONFIG {
my ($k, $v) ;
my @badkey = () ;
my %Info = () ;
my @Options = qw( BZLIB_INCLUDE BZLIB_LIB BUILD_BZLIB BZLIB_BIN ) ;
my %ValidOption = map {$_, 1} @Options ;
my %Parsed = %ValidOption ;
my $CONFIG = 'config.in' ;
print "Parsing $CONFIG...\n" ;
if (!open(F, "<$CONFIG")) {
warn "warning: failed to open $CONFIG: $!\n";
}
else {
while (<F>) {
chomp;
s/#.*$//;
next if !/\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 ;
$BZLIB_INCLUDE = $ENV{'BZLIB_INCLUDE'} || $Info{'BZLIB_INCLUDE'} ;
$BZLIB_LIB = $ENV{'BZLIB_LIB'} || $Info{'BZLIB_LIB'} ;
$BZLIB_BIN = $ENV{'BZLIB_BIN'} || $Info{'BZLIB_BIN'} ;
if ($^O eq 'VMS') {
$BZLIB_INCLUDE = VMS::Filespec::vmspath($BZLIB_INCLUDE);
$BZLIB_LIB = VMS::Filespec::vmspath($BZLIB_LIB);
$BZLIB_BIN = VMS::Filespec::vmspath($BZLIB_BIN);
}
my $x = defined($ENV{BUILD_BZLIB}) ? $ENV{BUILD_BZLIB} : $Info{BUILD_BZLIB};
$x = 'Test' if !defined($x);
if ( $x =~ /^yes|on|true|1$/i ) {
$BUILD_BZLIB = 1;
print "Building internal libbz2 enabled\n" ;
}
elsif ( $x =~ /^test$/i ) {
undef $BUILD_BZLIB;
## prefix libpth locincpth
my $command = $Config{cc} .
' '. $Config{ccflags} .
( $BZLIB_INCLUDE ? " -I$BZLIB_INCLUDE" : '' ) .
' '. $Config{ccdlflags} .
' '. $Config{ldflags} .
' -o show_bzversion show_bzversion.c' .
( $BZLIB_LIB ? " -L$BZLIB_LIB" : '' ) .
' -lbz2';
#print "command $command\n";
if ( !system( $command ) ) {
if ( -x 'show_bzversion' && -s 'show_bzversion' ) {
my $version = `./show_bzversion`;
if ( $version ) {
chomp $version;
$BUILD_BZLIB = 0;
print "found bzip2 $version ".($BZLIB_LIB ? "in $BZLIB_LIB" : 'installed')."\n";
}
else {
$BUILD_BZLIB = 1;
print "compile command '$command' failed\n";
print "system bzip2 not useable, building internal libbz2\n";
}
}
else {
$BUILD_BZLIB = 1;
print "compile command '$command' failed\n";
print "system bzip2 not useable, building internal libbz2\n";
}
}
else {
$BUILD_BZLIB = 1;
print "compile command '$command' failed\n";
print "system bzip2 not found, building internal libbz2\n";
}
}
print <<EOM if 0 ;
INCLUDE [$BZLIB_INCLUDE]
LIB [$BZLIB_LIB]
BIN [$BZLIB_BIN]
EOM
;
print "Looks Good.\n" ;
}
|
