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|
#!perl -w
###############################################################################
## ##
## Copyright (c) 1995 - 2009 by Steffen Beyer. ##
## All rights reserved. ##
## ##
## This package is free software; you can redistribute it ##
## and/or modify it under the same terms as Perl itself. ##
## ##
###############################################################################
use strict;
use File::Spec;
use File::Copy;
use ExtUtils::MakeMaker;
BEGIN
{
eval { require Config_m; }; # ExtUtils::FakeConfig (+ ActivePerl)
eval { require Config; } # Everyone else
if ($@);
}
my($good,$text,$answer,$default,$file,$orig,$PATCHLEVEL,$SUBVERSION);
my($CC,$EXE) = @Config::Config{'cc','_exe'}; # or @Config::Config{'cc','exe_ext'};
my(@PATH) = (File::Spec->path(), '.');
my $ORIG = 'src';
my $C_XS = 'C_XS';
my $Perl = 'Perl';
my $Patchlevel = 'patchlevel.h';
my(@C_XS) = qw(Pcalc.pm Pcalc.xs DatePcalc.c DatePcalc.h ToolBox.h typemap);
my(@Perl) = qw(Pcalc.pm);
my(@Clean) = (@C_XS, $Patchlevel, qw(Pcalc.c));
my %Parameters =
(
'NAME' => 'Date::Pcalc',
'VERSION_FROM' => 'Pcalc.pm',
'PREREQ_PM' =>
{
'Carp::Clan' => 5.3,
'Bit::Vector' => 7.1
},
# ($] >= 5.005 ?
# ('ABSTRACT' => 'Gregorian calendar date calculations',
# 'AUTHOR' => 'Steffen Beyer <STBEY@cpan.org>') : ()),
# ($] >= 5.005 && $^O eq 'MSWin32' && $Config::Config{'archname'} =~ /-object\b/i ?
# ('CAPI' => 'TRUE') : ()),
'dist' => { COMPRESS => "gzip -9", SUFFIX => "gz" },
'clean' => { FILES => join(' ', @Clean) }
);
sub Check_CC
{
my($cmd) = $_[0];
my($dir,$abs);
return $cmd if (-x $cmd or MM->maybe_command($cmd));
foreach $dir (@PATH)
{
$abs = File::Spec->catfile($dir, $cmd);
return $cmd if (-x $abs or MM->maybe_command($abs));
}
return '';
}
sub Have_CC
{
my($cmd) = $_[0];
my(@chunks) = split(/ /, $cmd); # may contain args; try to find out the program part
while (@chunks)
{
return $cmd if (($cmd = Check_CC(join(' ', @chunks ))) ne '');
return $cmd if (($cmd = Check_CC(join(' ', @chunks, $EXE))) ne '');
pop(@chunks);
}
return '';
}
if (($good = Have_CC($CC)) ne '')
{
$CC = $good;
$text = 'located';
}
else
{
$CC =~ s/\s+-.+$//;
$CC .= $EXE;
$text = 'cannot locate';
}
eval { require ExtUtils::CBuilder; };
unless ($@)
{
print "Testing your C compiler...\n";
if ( ExtUtils::CBuilder->new( quiet => 1 )->have_compiler() )
{
$good = $CC;
$text = 'located and successfully tested';
}
else
{
$good = '';
$text = 'could not successfully use';
}
}
print <<"VERBATIM";
Config.pm indicates that your version of Perl was built with
this C compiler:
$CC
VERBATIM
if ($good ne '')
{
print <<"VERBATIM";
I have $text this compiler on your system.
You now have the option to either install the (fast) C/XS implementation of
this module (recommended), or a (somewhat slower) pure-Perl implementation.
VERBATIM
}
else
{
print <<"VERBATIM";
I $text this compiler on your system.
Therefore you now have the option to install a (somewhat slower) pure-Perl
implementation of this module instead of the (fast) C/XS implementation.
If however the C compiler mentioned above really is installed on your system,
please make sure it can be found in the PATH and then try running this program
again. Or if you think I should have found this compiler, and if you are sure
it is available and functional, simply answer 'c' to the next question.
VERBATIM
}
$answer = '';
$default = ($good ne '') ? 'c' : 'p';
while (1)
{
$answer = prompt(q{Install C/XS version (answer 'c') or pure-Perl version (answer 'p')?}, $default);
last if $answer =~ /^[CcPp]$/;
}
foreach $file (@Clean)
{
if (-e $file) { unless (unlink($file)) { warn "Can't unlink file <$file>: $!\n"; exit 0; } }
}
if ($answer =~ /^[Cc]$/)
{
foreach $file (@C_XS)
{
$orig = File::Spec->catfile($ORIG,$C_XS,$file);
unless (copy($orig,$file)) { warn "Can't copy file <$orig> to <$file>: $!\n"; exit 0; }
}
$Parameters{'OBJECT'} = '$(O_FILES)';
WriteMakefile(%Parameters);
$PATCHLEVEL = $Config::Config{'PATCHLEVEL'} || $Config::Config{'patchlevel'} || substr($],2,3);
$SUBVERSION = $Config::Config{'SUBVERSION'} || $Config::Config{'subversion'} || substr($],5) || 0;
unless
(
open(PATCHLEVEL, ">$Patchlevel") and
print("Writing $Patchlevel for $^X ($])\n") and
printf(PATCHLEVEL "#define PATCHLEVEL %d\n", $PATCHLEVEL) and
printf(PATCHLEVEL "#define SUBVERSION %d\n", $SUBVERSION) and
close(PATCHLEVEL)
)
{
warn "Oops: Could not write file <$Patchlevel>: $!\n";
warn "However, you might succeed in building this module anyway;\n";
warn "Just give it a try!\n";
exit 0;
}
}
else
{
foreach $file (@Perl)
{
$orig = File::Spec->catfile($ORIG,$Perl,$file);
unless (copy($orig,$file)) { warn "Can't copy file <$orig> to <$file>: $!\n"; exit 0; }
}
WriteMakefile(%Parameters);
}
__END__
|
