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package MakeDependencyWriter;
# ************************************************************
# Description : Generates generic Makefile dependencies.
# Author : Chad Elliott
# Create Date : 2/10/2002
# ************************************************************
# ************************************************************
# Pragmas
# ************************************************************
use strict;
use DependencyWriter;
use vars qw(@ISA);
@ISA = qw(DependencyWriter);
# ************************************************************
# Subroutine Section
# ************************************************************
sub new {
my $self = DependencyWriter::new(@_);
$self->{'cygwin'} = (defined $ENV{OS} && $ENV{OS} =~ /windows/i);
if ($ENV{MPC_DEPGEN_EXCLUDE}) {
$self->{exclude} = [split(' ', $ENV{MPC_DEPGEN_EXCLUDE})];
}
return $self;
}
sub process {
my($self, $target, $deps) = @_;
if (exists $self->{exclude}) {
for my $excl (@{$self->{exclude}}) {
@$deps = grep {$_ !~ /$excl/} @$deps;
}
}
## Replace whitespace with escaped whitespace.
map(s/(\s)/\\$1/g, @{$deps});
## Replace <drive letter>: with /cygdrive/<drive letter>. The user may
## or may not be using Cygwin, but leaving the colon in there will
## cause make to fail catastrophically on the next invocation.
map(s/([A-Z]):/\/cygdrive\/$1/gi, @{$deps}) if ($self->{'cygwin'});
## Sort the dependencies to make them reproducible.
return "@{$target}: \\\n " . join(" \\\n ", sort @{$deps}) . "\n";
}
1;
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