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";
88 if (defined $skip_arg) {
89 splice @ARGV, $skip_arg, 1;
94 $cc = check_exe('C compiler', 'CC', 'cc', 'CC');
96 my ($vol, $dir, $file) = File::Spec->splitpath($cc);
97 my $preferred_path = File::Spec->catpath($vol, $dir, '');
98 $ld = check_exe('linker', 'LD', 'ld', 'LD', $preferred_path);
102 sub is_little_endian {
103 my $order = $Config{byteorder};
104 return 0 unless $order;
105 my $len = length $order;
107 $order = substr $order, 0, 8;
110 return $order eq (join '', 1 .. $len);
116 if (defined $cc and defined $ld) {
117 $PARAMS{C} = [ 'Util.c' ];
118 $PARAMS{XS} = { 'Util.xs' => 'Util.c' };
122 my $unit = { bits => 8, size => 1 };
123 if (not is_little_endian()) {
124 print "Forcing unit size of 8 on non-little-endian systems.\n";
126 print "Checking unit size in bits... ";
127 my $align = $Config{alignbytes} || 1;
128 my @bits = (8, 16, 32, 64);
129 for my $bits (@bits) {
130 my $size = $Config{"u${bits}size"};
132 $unit = { bits => $bits, size => $size } if $size && $size <= $align;
135 " (actually $unit->{size} bytes for $align bytes alignment).\n";
138 my $bits = $unit->{bits};
139 push @DEFINES, '-DBV_UNIT="' . ($Config{"u${bits}type"} || "U$bits") . '"';
140 push @DEFINES, "-DSVU_SIZE=$bits";
144 $PARAMS{OBJECT} = '';
145 print "Falling back to the pure-Perl implementation.\n";
148 $PARAMS{DEFINE} = join ' ', @DEFINES if @DEFINES;
150 my $dist = 'Scalar-Vec-Util';
152 (my $name = $dist) =~ s{-}{::}g;
154 (my $file = $dist) =~ s{-}{/}g;
155 $file = "lib/$file.pm";
164 my %BUILD_REQUIRES = (
166 'ExtUtils::MakeMaker' => 0,
173 configure_requires => {
175 'ExtUtils::MakeMaker' => 0,
183 bugtracker => "http://rt.cpan.org/Dist/Display.html?Name=$dist",
184 homepage => "http://search.cpan.org/dist/$dist/",
185 license => 'http://dev.perl.org/licenses/',
186 repository => "http://git.profvince.com/?p=perl%2Fmodules%2F$dist.git",
192 AUTHOR => 'Vincent Pit <perl@profvince.com>',
194 VERSION_FROM => $file,
195 ABSTRACT_FROM => $file,
197 BUILD_REQUIRES => \%BUILD_REQUIRES,
198 PREREQ_PM => \%PREREQ_PM,
199 MIN_PERL_VERSION => '5.006',
200 META_MERGE => \%META,
202 PREOP => "pod2text -u $file > \$(DISTVNAME)/README",
203 COMPRESS => 'gzip -9f', SUFFIX => 'gz'
206 FILES => "$dist-* *.gcov *.gcda *.gcno cover_db Debian_CPANTS.txt*"
216 my $cv = join ' -coverage ', 'cover',
217 qw<statement branch condition path subroutine time>;