X-Git-Url: http://git.vpit.fr/?p=perl%2Fmodules%2FScalar-Vec-Util.git;a=blobdiff_plain;f=Makefile.PL;h=0a96f8793cf8fc870742a0f5da0a24663a877945;hp=db3a3d9c4697f8ad3ae979249e38eaefe192ac77;hb=HEAD;hpb=266cb86b0a6806abba1fbe4ca125fa5c8e80750f diff --git a/Makefile.PL b/Makefile.PL index db3a3d9..0a96f87 100644 --- a/Makefile.PL +++ b/Makefile.PL @@ -4,97 +4,238 @@ use strict; 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 $exe; } -my @C; -if ($cc) { - push @C, 'Util.c'; - print $cc, "\n"; + +sub filter_argv { + my ($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 $ret; +} + +my ($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; -my $BUILD_REQUIRES = { +$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, +); -sub build_req { - my $tometa = ' >> $(DISTVNAME)/META.yml;'; - my $build_req = 'echo "build_requires:" ' . $tometa; - foreach my $mod ( sort { lc $a cmp lc $b } keys %$BUILD_REQUIRES ) { - my $ver = $BUILD_REQUIRES->{$mod}; - $build_req .= sprintf 'echo " %-30s %s" %s', "$mod:", $ver, $tometa; - } - return $build_req; -} +my %META = ( + configure_requires => { + 'Config' => 0, + 'ExtUtils::MakeMaker' => 0, + 'File::Spec' => 0, + }, + build_requires => { + %BUILD_REQUIRES, + }, + dynamic_config => 1, + resources => { + bugtracker => "http://rt.cpan.org/Dist/Display.html?Name=$dist", + homepage => "http://search.cpan.org/dist/$dist/", + license => 'http://dev.perl.org/licenses/', + repository => "http://git.profvince.com/?p=perl%2Fmodules%2F$dist.git", + }, +); WriteMakefile( - NAME => 'Scalar::Vec::Util', - AUTHOR => 'Vincent Pit ', - 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 - }, - dist => { - PREOP => 'pod2text lib/Scalar/Vec/Util.pm > $(DISTVNAME)/README; ' - . build_req, - COMPRESS => 'gzip -9f', SUFFIX => 'gz' - }, - clean => { FILES => 'Scalar-Vec-Util-* *.gcov *.gcda *.gcno cover_db Debian_CPANTS.txt' }, + NAME => $name, + AUTHOR => 'Vincent Pit ', + 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; @@ -103,7 +244,7 @@ package MY; sub postamble { my $cv = join ' -coverage ', 'cover', - qw/statement branch condition path subroutine time/; + qw; <