5 use ExtUtils::MakeMaker;
11 my ($name, $preferred_path) = @_;
13 my (@candidates, @args);
14 if (File::Spec->file_name_is_absolute($name)) {
15 # No need to look for args if the name is absolute.
19 if (defined $preferred_path) {
20 @path = ($preferred_path, grep { $_ ne $preferred_path } File::Spec->path);
22 @path = File::Spec->path;
25 (my $base, @args) = split ' ', $name;
26 for my $path_entry (@path) {
27 my ($vol, $dir, $file) = File::Spec->splitpath($path_entry, 1);
28 next if defined $file and length $file;
29 push @candidates, File::Spec->catpath($vol, $dir, $base);
33 for my $path (@candidates) {
34 my $command = MM->maybe_command($path);
35 if (defined $command) {
36 $command .= " @args" if @args;
45 my ($desc, $arg_var, $config_var, $env_var, $preferred_path) = @_;
50 if (/^\Q$arg_var\E=(.*)/) {
51 $exe = validate_exe($1, $preferred_path);
57 print "Forcing the use of $exe as the $desc.\n";
59 print "Checking for a valid $desc in the PATH... ";
60 $exe = validate_exe($Config{$config_var}, $preferred_path);
61 # Only fall back to env if we cannot find the one used to build perl.
62 if (not defined $exe and defined $ENV{$env_var}) {
63 $exe = validate_exe($ENV{$env_var}, $preferred_path);
76 for my $i (0 .. $#ARGV) {
78 if ($arg =~ /^PP=(.*)/) {
80 if (do { no warnings 'numeric'; int $val } or $val =~ /^(?:y|yes)$/i) {
81 print "Forcing the pure-Perl implementation from the arguments passed to Makefile.PL.\n";
89 @ARGV = grep defined, @ARGV;
93 $cc = check_exe('C compiler', 'CC', 'cc', 'CC');
95 my ($vol, $dir, $file) = File::Spec->splitpath($cc);
96 my $preferred_path = File::Spec->catpath($vol, $dir, '');
97 $ld = check_exe('linker', 'LD', 'ld', 'LD', $preferred_path);
101 sub is_little_endian {
102 my $order = $Config{byteorder};
103 return 0 unless $order;
104 my $len = length $order;
106 $order = substr $order, 0, 8;
109 return $order eq (join '', 1 .. $len);
115 if (defined $cc and defined $ld) {
116 $PARAMS{C} = [ 'Util.c' ];
117 $PARAMS{XS} = { 'Util.xs' => 'Util.c' };
122 if (not is_little_endian()) {
123 print "Forcing unit size of 8 on non-little-endian systems.\n";
125 print "Checking unit size in bits... ";
127 my $align = $Config{alignbytes} || 1;
128 my @units = (8, 16, 32, 64);
129 for my $unit (@units) {
130 my $unit_size = $Config{"u${unit}size"};
131 if ($unit_size and $unit_size <= $align) {
136 print "$bits (actually $size bytes for $align bytes alignment).\n";
138 push @DEFINES, '-DBV_UNIT="' . ($Config{"u${bits}type"} || "U$bits") . '"';
139 push @DEFINES, "-DSVU_SIZE=$bits";
143 $PARAMS{OBJECT} = '';
144 print "Falling back to the pure-Perl implementation.\n";
147 $PARAMS{DEFINE} = join ' ', @DEFINES if @DEFINES;
149 my $dist = 'Scalar-Vec-Util';
151 (my $name = $dist) =~ s{-}{::}g;
153 (my $file = $dist) =~ s{-}{/}g;
154 $file = "lib/$file.pm";
163 my %BUILD_REQUIRES = (
165 'ExtUtils::MakeMaker' => 0,
172 configure_requires => {
174 'ExtUtils::MakeMaker' => 0,
182 bugtracker => "http://rt.cpan.org/Dist/Display.html?Name=$dist",
183 homepage => "http://search.cpan.org/dist/$dist/",
184 license => 'http://dev.perl.org/licenses/',
185 repository => "http://git.profvince.com/?p=perl%2Fmodules%2F$dist.git",
191 AUTHOR => 'Vincent Pit <perl@profvince.com>',
193 VERSION_FROM => $file,
194 ABSTRACT_FROM => $file,
196 BUILD_REQUIRES => \%BUILD_REQUIRES,
197 PREREQ_PM => \%PREREQ_PM,
198 MIN_PERL_VERSION => '5.006',
199 META_MERGE => \%META,
201 PREOP => "pod2text -u $file > \$(DISTVNAME)/README",
202 COMPRESS => 'gzip -9f', SUFFIX => 'gz'
205 FILES => "$dist-* *.gcov *.gcda *.gcno cover_db Debian_CPANTS.txt*"
215 my $cv = join ' -coverage ', 'cover',
216 qw<statement branch condition path subroutine time>;