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use File::Copy;
use Cwd;
use Config;
BEGIN {
eval { require File::Spec::Functions ; File::Spec::Functions->import( qw(catfile rel2abs) ) } ;
*catfile = sub { return join( '/', @_ ) } if $@;
}
require VMS::Filespec if $^O eq 'VMS';
sub dump_block {
my %block;
( $block{1}, $block{2} ) = @_;
for ( my $i=0; $i<length($block{1}); $i+=16 ) {
my %xbuf;
foreach my $j ( 1, 2 ) {
for ( my $k=0; $k<16 && $i+$k<length($block{$j}); $k++ ) {
$xbuf{$j} .= ' ' if $xbuf{$j} && $k % 2 == 0;
$xbuf{$j} .= unpack( "H2", substr($block{$j},$i+$k,1) );
}
printf STDERR "%03d %s\n", $i, $xbuf{$j};
}
print STDERR "\n";
}
}
sub compare_binary_files {
my ( $file1, $file2 ) = @_;
my ( %fh, %buf, %ln, %counter );
if ( -s $file1 != -s $file2 ) {
print STDERR "files not the same size", " $file1 is ".(-s $file1), ", $file2 is ".(-s $file2),"\n";
return 0;
}
open( $fh{1}, $file1 );
open( $fh{2}, $file2 );
my $same = 1;
my $notdone;
$counter{blocks}++;
while ( !$notdone ) {
$ln{1} = sysread( $fh{1}, $buf{1}, 512 );
$ln{2} = sysread( $fh{2}, $buf{2}, 512 );
if ( $ln{1} != $ln{2} ) {
print STDERR "blocks not the same size\n";
return 0;
}
if ($buf{1} ne $buf{2}) {
print STDERR "block $counter{blocks} not the same\n";
dump_block($buf{1}, $buf{2});
return 0;
}
return 1 if $ln{1} == 0;
$counter{blocks}++;
}
close( $fh{1} );
close( $fh{2} );
return 0;
}
sub display_file {
my ( $file ) = @_;
my $in;
if ( !open( $in, $file ) ) {
warn "Error: unable to open $file: $!\n";
}
else {
while (<$in>) {
print STDERR $_;
}
close($in);
}
}
our $BZLIB_BIN ;
our $BZLIB_LIB ;
our $BZLIB_INCLUDE ;
our $BUILD_BZLIB ;
sub ParseCONFIG {
my $CONFIG = shift || 'config.in' ;
my ($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 $debugf = 0;
print STDERR "Parsing $CONFIG...\n" if $debugf;
if (!open(F, "<$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 STDERR "Unknown keys in $CONFIG ignored [@badkey]\n" if $debugf && scalar(@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);
}
$BUILD_BZLIB = 1;
print STDERR "Building internal libbz2 enabled\n" if $debugf ;
print STDERR <<EOM if $debugf ;
INCLUDE [$BZLIB_INCLUDE]
LIB [$BZLIB_LIB]
BIN [$BZLIB_BIN]
EOM
;
print STDERR "Looks Good.\n" if $debugf;
}
ParseCONFIG('../config.in') ;
$::BZIP = 'bzip2'.$Config{exe_ext};
$::BZIP = $BZLIB_BIN ? catfile( $BZLIB_BIN, $::BZIP ) :
-x $::BZIP ? rel2abs( $::BZIP ) : $::BZIP;
$ENV{PATH} .= ';' . getcwd() . '\\bzlib-src' if $^O =~ /win32/i; # just in case
$::debugf = $ENV{DEBUG};
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