use warnings;
use ExtUtils::MakeMaker;
-BEGIN {
- eval { require Config };
- die 'OS unsupported' if $@;
- Config->import(qw/%Config/);
- eval { require File::Spec };
- die 'OS unsupported' if $@;
+use Config;
+use File::Spec;
+
+sub validate_exe {
+ my ($name, $preferred_path) = @_;
+
+ my (@candidates, @args);
+ if (File::Spec->file_name_is_absolute($name)) {
+ # No need to look for args if the name is absolute.
+ @candidates = $name;
+ } else {
+ my @path;
+ if (defined $preferred_path) {
+ @path = ($preferred_path, grep { $_ ne $preferred_path } File::Spec->path);
+ } else {
+ @path = File::Spec->path;
+ }
+
+ (my $base, @args) = split ' ', $name;
+ for my $path_entry (@path) {
+ my ($vol, $dir, $file) = File::Spec->splitpath($path_entry, 1);
+ next if defined $file and length $file;
+ push @candidates, File::Spec->catpath($vol, $dir, $base);
+ }
+ }
+
+ for my $path (@candidates) {
+ my $command = MM->maybe_command($path);
+ if (defined $command) {
+ $command .= " @args" if @args;
+ return $command;
+ }
+ }
+
+ return;
}
-# Inspired from Module::Install::Can
-print "Checking for a valid C compiler in the PATH... ";
-my @ccs = ($Config{cc});
-unshift @ccs, $ENV{CC} if $ENV{CC};
-my $cc;
-CC:
-for my $c (@ccs) {
- for my $dir (split /$Config{path_sep}/, $ENV{PATH}) {
- my $abs = File::Spec->catfile($dir, $c);
- if (-x $abs or MM->maybe_command($abs)) {
- $cc = $c;
- last CC;
+sub check_exe {
+ my (%args) = @_;
+
+ my $desc = delete $args{desc};
+ my $arg_var = delete $args{arg_var};
+ my $tries = delete $args{try};
+ my $preferred_path = delete $args{preferred_path};
+
+ my $exe;
+
+ for (@ARGV) {
+ if (/^\Q$arg_var\E=(.*)/) {
+ $exe = validate_exe($1, $preferred_path);
+ last if defined $exe;
+ }
+ }
+
+ if (defined $exe) {
+ print "Forcing the use of $exe as the $desc.\n";
+ } else {
+ print "Checking for a valid $desc in the PATH... ";
+ for my $try (@$tries) {
+ next unless defined $try;
+ $exe = validate_exe($try, $preferred_path);
+ last if defined $exe;
+ }
+ if (defined $exe) {
+ print "$exe\n";
+ } else {
+ print "none\n";
+ }
+ }
+
+ return $exe;
+}
+
+sub filter_argv {
+ my ($var, $code) = @_;
+
+ my $ret;
+
+ for my $i (0 .. $#ARGV) {
+ my $arg = $ARGV[$i];
+ if ($arg =~ /^\Q$var\E=(.*)/) {
+ my $val = $1;
+ $ret = $code->($val);
+ $ARGV[$i] = undef;
+ last if $ret;
}
}
+
+ @ARGV = grep defined, @ARGV;
+
+ return $ret;
}
-my @C;
-if ($cc) {
- push @C, 'Util.c';
- print $cc, "\n";
+
+my ($cc, $ld);
+my $pp = filter_argv PP => sub {
+ my ($val) = @_;
+ return (do { no warnings 'numeric'; int $val } or $val =~ /^(?:y|yes)$/i)
+ ? 1 : 0;
+};
+if ($pp) {
+ print "Forcing the pure-Perl implementation from the arguments passed to Makefile.PL.\n";
} else {
- print "none\n";
+ $cc = check_exe(
+ desc => 'C compiler',
+ arg_var => 'CC',
+ try => [ $Config{cc}, $ENV{CC}, 'cc' ],
+ );
+ if (defined $cc) {
+ my ($vol, $dir, $file) = File::Spec->splitpath($cc);
+ my $preferred_path = File::Spec->catpath($vol, $dir, '');
+ $ld = check_exe(
+ desc => 'linker',
+ arg_var => 'LD',
+ try => [ $Config{ld}, $ENV{LD}, 'ld' ],
+ preferred_path => $preferred_path,
+ );
+ }
}
-my $arch = $Config{archname} || '';
-my ($cpu) = $arch =~ /^([^-]+)/;
+sub is_little_endian {
+ my $order = $Config{byteorder};
+ return 0 unless $order;
+ my $len = length $order;
+ if ($len > 8) {
+ $order = substr $order, 0, 8;
+ $len = 8;
+ }
+ return $order eq (join '', 1 .. $len);
+}
+my %PARAMS;
my @DEFINES;
-my $unit = 8;
-if (unpack("h*", pack("s", 0x1234)) != 4321) {
- print "Forcing unit size of 8 on non-little-endian systems.\n";
-} else {
- my $align = int($Config{alignbytes} || 0);
- print "Checking unit size in bits... ";
- my @s = (8, 16, 32);
- push @s, 64 unless $^O eq 'MSWin32';
- for (@s) {
- my $size = int($Config{'u' . $_ . 'size'} || 0);
- $unit = $_ if $size && $size <= $align;
+
+if (defined $cc and defined $ld) {
+ $PARAMS{C} = [ 'Util.c' ];
+ $PARAMS{XS} = { 'Util.xs' => 'Util.c' };
+ $PARAMS{CC} = $cc;
+ $PARAMS{LD} = $ld;
+
+ my $type = filter_argv UNIT => sub { return $_[0] };
+ if (defined $type) {
+ print "Forcing '$type' as the unit.\n";
+ push @DEFINES, '-DBV_UNIT="' . $type . '"';
+ } else {
+ my $bits = 8;
+ if (not is_little_endian()) {
+ print "Forcing unit size of 8 on non-little-endian systems.\n";
+ } else {
+ print "Checking unit size in bits... ";
+ my $size = 1;
+ my $align = $Config{alignbytes} || 1;
+ my @units = (8, 16, 32, 64);
+ for my $unit (@units) {
+ my $unit_size = $Config{"u${unit}size"};
+ if ($unit_size and $unit_size <= $align) {
+ $bits = $unit;
+ $size = $unit_size;
+ }
+ }
+ print "$bits (actually $size bytes for $align bytes alignment).\n";
+ }
+ push @DEFINES, '-DBV_UNIT="' . ($Config{"u${bits}type"} || "U$bits") . '"';
+ push @DEFINES, "-DSVU_SIZE=$bits";
}
- print $unit, "\n";
+} else {
+ $PARAMS{C} = [ ];
+ $PARAMS{XS} = { };
+ $PARAMS{OBJECT} = '';
+ print "Falling back to the pure-Perl implementation.\n";
}
-push @DEFINES, DEFINE => '-DBV_UNIT="'
- . ($unit == 64 ? 'uint64_t' : 'U' . $unit)
- . '"'
- . ' -DSVU_SIZE=' . $unit;
+
+$PARAMS{DEFINE} = join ' ', @DEFINES if @DEFINES;
my $dist = 'Scalar-Vec-Util';
+(my $name = $dist) =~ s{-}{::}g;
+
+(my $file = $dist) =~ s{-}{/}g;
+$file = "lib/$file.pm";
+
+my %PREREQ_PM = (
+ 'Exporter' => 0,
+ 'Carp' => 0,
+ 'XSLoader' => 0,
+ 'base' => 0,
+);
+
+my %BUILD_REQUIRES = (
+ 'Config' => 0,
+ 'ExtUtils::MakeMaker' => 0,
+ 'File::Spec' => 0,
+ 'Test::More' => 0,
+ %PREREQ_PM,
+);
+
my %META = (
configure_requires => {
'Config' => 0,
'File::Spec' => 0,
},
build_requires => {
- 'Config' => 0,
- 'ExtUtils::MakeMaker' => 0,
- 'Test::More' => 0,
+ %BUILD_REQUIRES,
},
+ dynamic_config => 1,
resources => {
- bugtracker => "http://rt.cpan.org/NoAuth/ReportBug.html?Queue=$dist",
+ bugtracker => "http://rt.cpan.org/Dist/Display.html?Name=$dist",
homepage => "http://search.cpan.org/dist/$dist/",
license => 'http://dev.perl.org/licenses/',
- repository => "http://git.profvince.com/perl/modules/$dist.git",
+ repository => "http://git.profvince.com/?p=perl%2Fmodules%2F$dist.git",
},
);
WriteMakefile(
- NAME => 'Scalar::Vec::Util',
- AUTHOR => 'Vincent Pit <perl@profvince.com>',
- LICENSE => 'perl',
- VERSION_FROM => 'lib/Scalar/Vec/Util.pm',
- ABSTRACT_FROM => 'lib/Scalar/Vec/Util.pm',
- PL_FILES => {},
- C => \@C,
- @DEFINES,
- PREREQ_PM => {
- 'Exporter' => 0,
- 'Carp' => 0,
- 'XSLoader' => 0
- },
- MIN_PERL_VERSION => 5.006,
- META_MERGE => \%META,
- dist => {
- PREOP => 'pod2text lib/Scalar/Vec/Util.pm > $(DISTVNAME)/README',
- COMPRESS => 'gzip -9f', SUFFIX => 'gz'
- },
- clean => {
- FILES => "$dist-* *.gcov *.gcda *.gcno cover_db Debian_CPANTS.txt"
- },
+ NAME => $name,
+ AUTHOR => 'Vincent Pit <perl@profvince.com>',
+ LICENSE => 'perl',
+ VERSION_FROM => $file,
+ ABSTRACT_FROM => $file,
+ PL_FILES => {},
+ BUILD_REQUIRES => \%BUILD_REQUIRES,
+ PREREQ_PM => \%PREREQ_PM,
+ MIN_PERL_VERSION => '5.006',
+ META_MERGE => \%META,
+ dist => {
+ PREOP => "pod2text -u $file > \$(DISTVNAME)/README",
+ COMPRESS => 'gzip -9f', SUFFIX => 'gz'
+ },
+ clean => {
+ FILES => "$dist-* *.gcov *.gcda *.gcno cover_db Debian_CPANTS.txt*"
+ },
+ %PARAMS,
);
1;
sub postamble {
my $cv = join ' -coverage ', 'cover',
- qw/statement branch condition path subroutine time/;
+ qw<statement branch condition path subroutine time>;
<<POSTAMBLE;
cover test_cover:
$cv -test
projects / perl / modules / Scalar-Vec-Util.git / blobdiff