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use strict;
use warnings;
use utf8;
use Test::More;
use File::Temp;
use Devel::CheckCompiler;
my $check;
my $extra_linker_flags;
my $code = <<'...';
int main(void)
{
return maybe_not_defined_function12345678(0);
}
...
subtest 'generate only object file' => sub {
my $tmpobj = File::Temp->new;
make_stub($tmpobj->filename);
ok(check_compile($code) && $check == 1);
};
subtest 'generate executable file' => sub {
my $tmpobj = File::Temp->new;
my $tmpexe = File::Temp->new;
make_stub($tmpobj->filename, $tmpexe->filename);
ok(check_compile($code, executable => 1) && $check == 2);
};
subtest 'generate executable file with linker option' => sub {
my $tmpobj = File::Temp->new;
my $tmpexe = File::Temp->new;
make_stub($tmpobj->filename, $tmpexe->filename);
ok(check_compile($code, executable => 1, extra_linker_flags => '-lm')
&& ($check == 2 && $extra_linker_flags eq '-lm'));
};
done_testing;
sub make_stub {
my ($obj, $exe) = @_;
no warnings 'redefine';
no warnings 'once';
*ExtUtils::CBuilder::new = sub { $check = 0; bless {}, shift };
*ExtUtils::CBuilder::have_compiler = sub { 1 };
*ExtUtils::CBuilder::compile = sub { $check = 1; $obj ? $obj : undef };
*ExtUtils::CBuilder::link_executable = sub {
my (undef, %args) = @_;
$check = 2;
$extra_linker_flags = $args{extra_linker_flags} || '';
$exe ? $exe : undef;
};
}
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