6 if ($^O eq 'MSWin32') {
7 unshift @INC, '../dist/Cwd';
10 unshift @INC, 'dist/Cwd';
15 my $is_Win32 = $^O eq 'MSWin32';
16 my $is_VMS = $^O eq 'VMS';
17 my $is_Unix = !$is_Win32 && !$is_VMS;
19 my @ext_dirs = qw(cpan dist ext);
20 my $ext_dirs_re = '(?:' . join('|', @ext_dirs) . ')';
22 # This script acts as a simple interface for building extensions.
24 # It's actually a cut and shut of the Unix version ext/utils/makeext and the
25 # Windows version win32/build_ext.pl hence the two invocation styles.
27 # On Unix, it primarily used by the perl Makefile one extension at a time:
29 # d_dummy $(dynamic_ext): miniperl preplibrary FORCE
30 # @$(RUN) ./miniperl make_ext.pl --target=dynamic $@ MAKE=$(MAKE) LIBPERL_A=$(LIBPERL)
33 # If '--static' is specified, static extensions will be built.
34 # If '--dynamic' is specified, dynamic extensions will be built.
35 # If '--nonxs' is specified, nonxs extensions will be built.
36 # If '--dynaloader' is specified, DynaLoader will be built.
37 # If '--all' is specified, all extensions will be built.
39 # make_ext.pl "MAKE=make [-make_opts]" --dir=directory [--target=target] [--static|--dynamic|--all] +ext2 !ext1
43 # make_ext.pl "MAKE=nmake -nologo" --dir=..\ext
45 # make_ext.pl "MAKE=nmake -nologo" --dir=..\ext --target=clean
47 # make_ext.pl MAKE=dmake --dir=..\ext
49 # make_ext.pl MAKE=dmake --dir=..\ext --target=clean
51 # Will skip building extensions which are marked with an '!' char.
52 # Mostly because they still not ported to specified platform.
54 # If any extensions are listed with a '+' char then only those
55 # extensions will be built, but only if they arent countermanded
56 # by an '!ext' and are appropriate to the type of building being done.
58 # It may be deleted in a later release of perl so try to
59 # avoid using it for other purposes.
61 my (%excl, %incl, %opts, @extspec, @pass_through);
66 } elsif (/^\+(.*)$/) {
68 } elsif (/^--([\w\-]+)$/) {
70 } elsif (/^--([\w\-]+)=(.*)$/) {
71 push @{$opts{$1}}, $2;
73 push @pass_through, $_;
79 my $static = $opts{static} || $opts{all};
80 my $dynamic = $opts{dynamic} || $opts{all};
81 my $nonxs = $opts{nonxs} || $opts{all};
82 my $dynaloader = $opts{dynaloader} || $opts{all};
84 # The Perl Makefile.SH will expand all extensions to
85 # lib/auto/X/X.a (or lib/auto/X/Y/Y.a if nested)
86 # A user wishing to run make_ext might use
87 # X (or X/Y or X::Y if nested)
89 # canonise into X/Y form (pname)
92 if (s{^lib/auto/}{}) {
93 # Remove lib/auto prefix and /*.* suffix
95 } elsif (s{^$ext_dirs_re/}{}) {
96 # Remove ext/ prefix and /pm_to_blib suffix
98 # Targets are given as files on disk, but the extension spec is still
99 # written using /s for each ::
101 } elsif (s{::}{\/}g) {
108 my $makecmd = shift @pass_through; # Should be something like MAKE=make
109 unshift @pass_through, 'PERL_CORE=1';
111 my @dirs = @{$opts{dir} || \@ext_dirs};
112 my $target = $opts{target}[0];
113 $target = 'all' unless defined $target;
115 # Previously, $make was taken from config.sh. However, the user might
116 # instead be running a possibly incompatible make. This might happen if
117 # the user types "gmake" instead of a plain "make", for example. The
118 # correct current value of MAKE will come through from the main perl
119 # makefile as MAKE=/whatever/make in $makecmd. We'll be cautious in
120 # case third party users of this script (are there any?) don't have the
121 # MAKE=$(MAKE) argument, which was added after 5.004_03.
122 unless(defined $makecmd and $makecmd =~ /^MAKE=(.*)$/) {
123 die "$0: WARNING: Please include MAKE=\$(MAKE) in \@ARGV\n";
126 # This isn't going to cope with anything fancy, such as spaces inside command
127 # names, but neither did what it replaced. Once there is a use case that needs
128 # it, please supply patches. Until then, I'm sticking to KISS
129 my @make = split ' ', $1 || $Config{make} || $ENV{MAKE};
130 # Using an array of 0 or 1 elements makes the subsequent code simpler.
131 my @run = $Config{run};
132 @run = () if not defined $run[0] or $run[0] eq '';
136 die "make_ext: no make target specified (eg all or clean)\n";
137 } elsif ($target !~ /(?:^all|clean)$/) {
138 # for the time being we are strict about what make_ext is used for
139 die "$0: unknown make target '$target'\n";
142 if (!@extspec and !$static and !$dynamic and !$nonxs and !$dynaloader) {
143 die "$0: no extension specified\n";
147 my %extra_passthrough;
150 my $build = getcwd();
152 if ($perl =~ m#^\.\.#) {
155 $perl = "$here\\$perl";
157 (my $topdir = $perl) =~ s/\\[^\\]+$//;
158 # miniperl needs to find perlglob and pl2bat
159 $ENV{PATH} = "$topdir;$topdir\\win32\\bin;$ENV{PATH}";
160 my $pl2bat = "$topdir\\win32\\bin\\pl2bat";
161 unless (-f "$pl2bat.bat") {
162 my @args = ($perl, "-I$topdir\\lib", ("$pl2bat.pl") x 2);
164 system(@args) unless defined $::Cross::platform;
168 foreach my $dir (@dirs) {
169 chdir($dir) or die "Cannot cd to $dir: $!\n";
170 (my $ext = getcwd()) =~ s{/}{\\}g;
171 FindExt::scan_ext($ext);
172 FindExt::set_static_extensions(split ' ', $Config{static_ext});
174 or die "Couldn't chdir to '$build': $!"; # restore our start directory
178 push @ext, FindExt::static_ext() if $static;
179 push @ext, FindExt::dynamic_ext() if $dynamic;
180 push @ext, FindExt::nonxs_ext() if $nonxs;
181 push @ext, 'DynaLoader' if $dynaloader;
183 foreach (sort @ext) {
184 if (%incl and !exists $incl{$_}) {
185 #warn "Skipping extension $_, not in inclusion list\n";
188 if (exists $excl{$_}) {
189 warn "Skipping extension $_, not ported to current platform";
193 if($_ eq 'DynaLoader' and $target !~ /clean$/) {
194 # No, we don't know why nmake can't work out the dependency chain
195 push @{$extra_passthrough{$_}}, 'DynaLoader.c';
196 } elsif(FindExt::is_static($_)) {
197 push @{$extra_passthrough{$_}}, 'LINKTYPE=static';
202 or die "Couldn't chdir to build directory: $!"; # now in the Perl build
206 push @extspec, (split ' ', $Config{static_ext}) if $static;
207 push @extspec, (split ' ', $Config{dynamic_ext}) if $dynamic;
208 push @extspec, (split ' ', $Config{nonxs_ext}) if $nonxs;
209 push @extspec, 'DynaLoader' if $dynaloader;
213 # Cwd needs to be built before Encode recurses into subdirectories.
214 # This seems to be the simplest way to ensure this ordering:
223 @extspec = (@first, @other);
226 if ($Config{osname} eq 'catamount' and @extspec) {
227 # Snowball's chance of building extensions.
228 die "This is $Config{osname}, not building $extspec[0], sorry.\n";
231 foreach my $spec (@extspec) {
236 # Try new style ext/Data-Dumper/ first
239 foreach my $dir (@ext_dirs) {
240 if (-d "$dir/$copy") {
241 $ext_pathname = "$dir/$copy";
246 if (!defined $ext_pathname) {
247 if (-d "ext/$spec") {
248 # Old style ext/Data/Dumper/
249 $ext_pathname = "ext/$spec";
251 warn "Can't find extension $spec in any of @ext_dirs";
256 print "\tMaking $mname ($target)\n";
258 build_extension($ext_pathname, $perl, $mname,
259 [@pass_through, @{$extra_passthrough{$spec} || []}]);
262 sub build_extension {
263 my ($ext_dir, $perl, $mname, $pass_through) = @_;
265 unless (chdir "$ext_dir") {
266 warn "Cannot cd to $ext_dir: $!";
273 $perl ||= "$up/miniperl";
274 my $return_dir = $up;
275 my $lib_dir = "$up/lib";
280 $makefile = 'descrip.mms';
281 if ($target =~ /clean$/
283 && -f "${makefile}_old") {
284 $makefile = "${makefile}_old";
287 $makefile = 'Makefile';
291 if (!-f 'Makefile.PL') {
292 print "\nCreating Makefile.PL in $ext_dir for $mname\n";
293 my ($fromname, $key, $value);
294 if ($mname eq 'podlators') {
295 # We need to special case this somewhere, and this is fewer
296 # lines of code than a core-only Makefile.PL, and no more
298 $fromname = 'VERSION';
300 $value = 'podlators';
303 $key = 'ABSTRACT_FROM';
304 # We need to cope well with various possible layouts
305 my @dirs = split /::/, $mname;
306 my $leaf = pop @dirs;
307 my $leafname = "$leaf.pm";
308 my $pathname = join '/', @dirs, $leafname;
309 my @locations = ($leafname, $pathname, "lib/$pathname");
310 foreach (@locations) {
318 die "For $mname tried @locations in in $ext_dir but can't find source";
320 ($value = $fromname) =~ s/\.pm\z/.pod/;
321 $value = $fromname unless -e $value;
323 open my $fh, '>', 'Makefile.PL'
324 or die "Can't open Makefile.PL for writing: $!";
325 printf $fh <<'EOM', $0, $mname, $fromname, $key, $value;
326 #-*- buffer-read-only: t -*-
328 # This Makefile.PL was written by %s.
329 # It will be deleted automatically by make realclean
332 use ExtUtils::MakeMaker;
334 # This is what the .PL extracts to. Not the ultimate file that is installed.
335 # (ie Win32 runs pl2bat after this)
337 # Doing this here avoids all sort of quoting issues that would come from
338 # attempting to write out perl source with literals to generate the arrays and
340 my @temps = 'Makefile.PL';
341 foreach (glob('scripts/pod*.PL')) {
342 # The various pod*.PL extractors change directory. Doing that with relative
343 # paths in @INC breaks. It seems the lesser of two evils to copy (to avoid)
344 # the chdir doing anything, than to attempt to convert lib paths to
345 # absolute, and potentially run into problems with quoting special
346 # characters in the path to our build dir (such as spaces)
350 $temp =~ s!scripts/!!;
351 File::Copy::copy($_, $temp) or die "Can't copy $temp to $_: $!";
355 my $script_ext = $^O eq 'VMS' ? '.com' : '';
357 foreach (glob('pod*.PL')) {
359 s/.PL$/$script_ext/i;
360 $pod_scripts{$script} = $_;
362 my @exe_files = values %%pod_scripts;
366 VERSION_FROM => '%s',
368 realclean => { FILES => "@temps" },
370 PL_FILES => \%%pod_scripts,
371 EXE_FILES => \@exe_files,
372 clean => { FILES => "@exe_files" },
378 close $fh or die "Can't close Makefile.PL: $!";
381 my $ftime = time - 4;
382 utime $ftime, $ftime, 'Makefile.PL';
384 print "\nRunning Makefile.PL in $ext_dir\n";
386 # Presumably this can be simplified
388 if (defined $::Cross::platform) {
389 # Inherited from win32/buildext.pl
390 @cross = "-MCross=$::Cross::platform";
391 } elsif ($opts{cross}) {
392 # Inherited from make_ext.pl
396 my @args = ("-I$lib_dir", @cross, 'Makefile.PL');
398 my $libd = VMS::Filespec::vmspath($lib_dir);
399 push @args, "INST_LIB=$libd", "INST_ARCHLIB=$libd";
401 push @args, 'INSTALLDIRS=perl', 'INSTALLMAN1DIR=none',
402 'INSTALLMAN3DIR=none';
404 push @args, @$pass_through;
405 _quote_args(\@args) if $is_VMS;
406 print join(' ', @run, $perl, @args), "\n";
407 my $code = system @run, $perl, @args;
408 warn "$code from $ext_dir\'s Makefile.PL" if $code;
410 # Right. The reason for this little hack is that we're sitting inside
411 # a program run by ./miniperl, but there are tasks we need to perform
412 # when the 'realclean', 'distclean' or 'veryclean' targets are run.
413 # Unfortunately, they can be run *after* 'clean', which deletes
415 # So we do our best to leave a set of instructions identical to what
416 # we would do if we are run directly as 'realclean' etc
417 # Whilst we're perfect, unfortunately the targets we call are not, as
418 # some of them rely on a $(PERL) for their own distclean targets.
419 # But this always used to be a problem with the old /bin/sh version of
423 foreach my $clean_target ('realclean', 'veryclean') {
424 my $file = "$return_dir/$clean_target$suffix";
425 open my $fh, '>>', $file or die "open $file: $!";
426 # Quite possible that we're being run in parallel here.
427 # Can't use Fcntl this early to get the LOCK_EX
428 flock $fh, 2 or warn "flock $file: $!";
431 if test ! -f Makefile -a -f Makefile.old; then
432 echo "Note: Using Makefile.old"
433 make -f Makefile.old $clean_target MAKE='@make' @pass_through
435 if test ! -f Makefile ; then
436 echo "Warning: No Makefile!"
438 make $clean_target MAKE='@make' @pass_through
442 close $fh or die "close $file: $!";
447 if (not -f $makefile) {
448 print "Warning: No Makefile!\n";
452 _macroify_passthrough($pass_through);
453 unshift @$pass_through, "/DESCRIPTION=$makefile";
456 if (!$target or $target !~ /clean$/) {
457 # Give makefile an opportunity to rewrite itself.
458 # reassure users that life goes on...
459 my @args = ('config', @$pass_through);
460 system(@run, @make, @args) and print "@run @make @args failed, continuing anyway...\n";
462 my @targ = ($target, @$pass_through);
463 print "Making $target in $ext_dir\n@run @make @targ\n";
464 my $code = system(@run, @make, @targ);
465 die "Unsuccessful make($ext_dir): code=$code" if $code != 0;
467 chdir $return_dir || die "Cannot cd to $return_dir: $!";
471 my $args = shift; # must be array reference
473 # Do not quote qualifiers that begin with '/'.
475 $_ =~ s/\"/""/g; # escape C<"> by doubling
482 sub _macroify_passthrough {
483 my $passthrough = shift;
484 _quote_args($passthrough);
485 my $macro = '/MACRO=(' . join(',',@$passthrough) . ')';
487 @$passthrough[0] = $macro;