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|
#! perl -w
use strict ;
use ExtUtils::MakeMaker 5.16 ;
use Config ;
my $VER_INFO ;
my $LIB_DIR ;
my $INC_DIR ;
my $DB_NAME ;
my $LIBS ;
my $COMPAT185 = "" ;
my @files = ('DB_File.pm', glob "t/*.t") ;
# See if warnings is available
eval 'use warnings;';
if ($@) {
# not there, so write a dummy warnings.pm
oldWarnings(@files) ;
} else {
# is there,
newWarnings(@files) ;
}
ParseCONFIG() ;
if (defined $DB_NAME)
{ $LIBS = $DB_NAME }
else {
if ($^O eq 'MSWin32')
{ $LIBS = '-llibdb' }
else
{ $LIBS = '-ldb' }
}
# Solaris is special.
#$LIBS .= " -lthread" if $^O eq 'solaris' ;
# OS2 is a special case, so check for it now.
my $OS2 = "" ;
$OS2 = "-DOS2" if $Config{'osname'} eq 'os2' ;
WriteMakefile(
NAME => 'DB_File',
LIBS => ["-L${LIB_DIR} $LIBS"],
MAN3PODS => ' ', # Pods will be built by installman.
INC => "-I$INC_DIR",
VERSION_FROM => 'DB_File.pm',
XSPROTOARG => '-noprototypes',
DEFINE => "$OS2 $VER_INFO $COMPAT185",
OBJECT => 'version$(OBJ_EXT) DB_File$(OBJ_EXT)',
OPTIMIZE => '-g',
'macro' => { INSTALLDIRS => 'perl' },
'dist' => {COMPRESS=>'gzip', SUFFIX=>'gz'},
);
sub MY::postamble {
'
version$(OBJ_EXT): version.c
$(NAME).xs: typemap
@$(TOUCH) $(NAME).xs
Makefile: config.in
' ;
}
sub ParseCONFIG
{
my ($k, $v) ;
my @badkey = () ;
my %Info = () ;
my @Options = qw( INCLUDE LIB PREFIX HASH DBNAME COMPAT185 ) ;
my %ValidOption = map {$_, 1} @Options ;
my %Parsed = %ValidOption ;
my $CONFIG = 'config.in' ;
print "Parsing $CONFIG...\n" ;
# DBNAME & COMPAT185 are optional, so pretend they have
# been parsed.
delete $Parsed{'DBNAME'} ;
delete $Parsed{'COMPAT185'} ;
$Info{COMPAT185} = "No" ;
open(F, "$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 file: [@missing]\n"
if @missing = keys %Parsed ;
$INC_DIR = $ENV{'DB_FILE_INCLUDE'} || $Info{'INCLUDE'} ;
$LIB_DIR = $ENV{'DB_FILE_LIB'} || $Info{'LIB'} ;
$DB_NAME = $Info{'DBNAME'} if defined $Info{'DBNAME'} ;
$COMPAT185 = "-DCOMPAT185 -DDB_LIBRARY_COMPATIBILITY_API"
if (defined $ENV{'DB_FILE_COMPAT185'} &&
$ENV{'DB_FILE_COMPAT185'} =~ /^\s*(on|true|1)\s*$/i) ||
$Info{'COMPAT185'} =~ /^\s*(on|true|1)\s*$/i ;
my $PREFIX = $Info{'PREFIX'} ;
my $HASH = $Info{'HASH'} ;
$VER_INFO = "-DmDB_Prefix_t=${PREFIX} -DmDB_Hash_t=${HASH}" ;
print <<EOM if 0 ;
INCLUDE [$INC_DIR]
LIB [$LIB_DIR]
HASH [$HASH]
PREFIX [$PREFIX]
DBNAME [$DB_NAME]
EOM
print "Looks Good.\n" ;
}
sub oldWarnings
{
local ($^I) = ".bak" ;
local (@ARGV) = @_ ;
while (<>)
{
if (/^__END__/)
{
print ;
my $this = $ARGV ;
while (<>)
{
last if $ARGV ne $this ;
print ;
}
}
s/^(\s*)(no\s+warnings)/${1}local (\$^W) = 0; #$2/ ;
s/^(\s*)(use\s+warnings)/${1}local (\$^W) = 1; #$2/ ;
print ;
}
}
sub newWarnings
{
local ($^I) = ".bak" ;
local (@ARGV) = @_ ;
while (<>)
{
if (/^__END__/)
{
my $this = $ARGV ;
print ;
while (<>)
{
last if $ARGV ne $this ;
print ;
}
}
s/^(\s*)local\s*\(\$\^W\)\s*=\s*\d+\s*;\s*#\s*((no|use)\s+warnings.*)/$1$2/ ;
print ;
}
}
# end of file Makefile.PL
|
