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- # $File: //depot/cpan/Module-Install/lib/Module/Install/Can.pm $ $Author: autrijus $
- # $Revision: #6 $ $Change: 1840 $ $DateTime: 2003/12/28 19:42:02 $ vim: expandtab shiftwidth=4
-
- package Module::Install::Can;
- use Module::Install::Base; @ISA = qw(Module::Install::Base);
- $VERSION = '0.01';
-
- use strict;
- use Config ();
- use File::Spec ();
- use ExtUtils::MakeMaker ();
-
- # check if we can run some command
- sub can_run {
- my ($self, $cmd) = @_;
-
- my $_cmd = $cmd;
- return $_cmd if (-x $_cmd or $_cmd = MM->maybe_command($_cmd));
-
- for my $dir ((split /$Config::Config{path_sep}/, $ENV{PATH}), '.') {
- my $abs = File::Spec->catfile($dir, $_[1]);
- return $abs if (-x $abs or $abs = MM->maybe_command($abs));
- }
-
- return;
- }
-
- sub can_cc {
- my $self = shift;
- my @chunks = split(/ /, $Config::Config{cc}) or return;
-
- # $Config{cc} may contain args; try to find out the program part
- while (@chunks) {
- return $self->can_run("@chunks") || (pop(@chunks), next);
- }
-
- return;
- }
-
- 1;
-