6 if ($^O eq 'MSWin32') {
7 unshift @INC, ('../cpan/Cwd', '../cpan/Cwd/lib');
8 require File::Spec::Functions;
12 unshift @INC, 'cpan/Cwd';
17 my $is_Win32 = $^O eq 'MSWin32';
18 my $is_VMS = $^O eq 'VMS';
19 my $is_Unix = !$is_Win32 && !$is_VMS;
21 # To clarify, this isn't the entire suite of modules considered "toolchain"
22 # It's not even all modules needed to build ext/
23 # It's just the source paths of the (minimum complete set of) modules in ext/
24 # needed to build the nonxs modules
25 # After which, all nonxs modules are in lib, which was always sufficient to
26 # allow miniperl to build everything else.
28 # This list cannot get any longer without overflowing the length limit for
29 # environment variables on VMS
30 my @toolchain = qw(cpan/AutoLoader/lib
33 ext/ExtUtils-Command/lib
34 dist/ExtUtils-Install/lib
35 ext/ExtUtils-MakeMaker/lib
36 ext/ExtUtils-Manifest/lib
40 # Used only in ExtUtils::Liblist::Kid::_win32_ext()
41 push @toolchain, 'ext/Text-ParseWords/lib' if $is_Win32;
43 my @ext_dirs = qw(cpan dist ext);
44 my $ext_dirs_re = '(?:' . join('|', @ext_dirs) . ')';
46 # This script acts as a simple interface for building extensions.
48 # It's actually a cut and shut of the Unix version ext/utils/makeext and the
49 # Windows version win32/build_ext.pl hence the two invocation styles.
51 # On Unix, it primarily used by the perl Makefile one extention at a time:
53 # d_dummy $(dynamic_ext): miniperl preplibrary FORCE
54 # @$(RUN) ./miniperl make_ext.pl --target=dynamic $@ MAKE=$(MAKE) LIBPERL_A=$(LIBPERL)
57 # If '--static' is specified, static extensions will be built.
58 # If '--dynamic' is specified, dynamic extensions will be built.
59 # If '--nonxs' is specified, nonxs extensions will be built.
60 # If '--dynaloader' is specificied, DynaLoader will be built.
61 # If '--all' is specified, all extensions will be built.
63 # make_ext.pl "MAKE=make [-make_opts]" --dir=directory [--target=target] [--static|--dynamic|--all] +ext2 !ext1
67 # make_ext.pl "MAKE=nmake -nologo" --dir=..\ext
69 # make_ext.pl "MAKE=nmake -nologo" --dir=..\ext --target=clean
71 # make_ext.pl MAKE=dmake --dir=..\ext
73 # make_ext.pl MAKE=dmake --dir=..\ext --target=clean
75 # Will skip building extensions which are marked with an '!' char.
76 # Mostly because they still not ported to specified platform.
78 # If any extensions are listed with a '+' char then only those
79 # extensions will be built, but only if they arent countermanded
80 # by an '!ext' and are appropriate to the type of building being done.
82 # It may be deleted in a later release of perl so try to
83 # avoid using it for other purposes.
85 my (%excl, %incl, %opts, @extspec, @pass_through);
90 } elsif (/^\+(.*)$/) {
92 } elsif (/^--([\w\-]+)$/) {
94 } elsif (/^--([\w\-]+)=(.*)$/) {
95 push @{$opts{$1}}, $2;
97 push @pass_through, $_;
103 my $static = $opts{static} || $opts{all};
104 my $dynamic = $opts{dynamic} || $opts{all};
105 my $nonxs = $opts{nonxs} || $opts{all};
106 my $dynaloader = $opts{dynaloader} || $opts{all};
108 # The Perl Makefile.SH will expand all extensions to
109 # lib/auto/X/X.a (or lib/auto/X/Y/Y.a if nested)
110 # A user wishing to run make_ext might use
111 # X (or X/Y or X::Y if nested)
113 # canonise into X/Y form (pname)
116 if (s{^lib/auto/}{}) {
117 # Remove lib/auto prefix and /*.* suffix
119 } elsif (s{^$ext_dirs_re/}{}) {
120 # Remove ext/ prefix and /pm_to_blib suffix
122 # Targets are given as files on disk, but the extension spec is still
123 # written using /s for each ::
125 } elsif (s{::}{\/}g) {
132 my $makecmd = shift @pass_through; # Should be something like MAKE=make
133 unshift @pass_through, 'PERL_CORE=1';
135 my @dirs = @{$opts{dir} || \@ext_dirs};
136 my $target = $opts{target}[0];
137 $target = 'all' unless defined $target;
139 # Previously, $make was taken from config.sh. However, the user might
140 # instead be running a possibly incompatible make. This might happen if
141 # the user types "gmake" instead of a plain "make", for example. The
142 # correct current value of MAKE will come through from the main perl
143 # makefile as MAKE=/whatever/make in $makecmd. We'll be cautious in
144 # case third party users of this script (are there any?) don't have the
145 # MAKE=$(MAKE) argument, which was added after 5.004_03.
146 unless(defined $makecmd and $makecmd =~ /^MAKE=(.*)$/) {
147 die "$0: WARNING: Please include MAKE=\$(MAKE) in \@ARGV\n";
150 # This isn't going to cope with anything fancy, such as spaces inside command
151 # names, but neither did what it replaced. Once there is a use case that needs
152 # it, please supply patches. Until then, I'm sticking to KISS
153 my @make = split ' ', $1 || $Config{make} || $ENV{MAKE};
154 # Using an array of 0 or 1 elements makes the subsequent code simpler.
155 my @run = $Config{run};
156 @run = () if not defined $run[0] or $run[0] eq '';
160 die "make_ext: no make target specified (eg all or clean)\n";
161 } elsif ($target !~ /(?:^all|clean)$/) {
162 # for the time being we are strict about what make_ext is used for
163 die "$0: unknown make target '$target'\n";
166 if (!@extspec and !$static and !$dynamic and !$nonxs and !$dynaloader) {
167 die "$0: no extension specified\n";
171 my %extra_passthrough;
174 (my $here = getcwd()) =~ s{/}{\\}g;
176 if ($perl =~ m#^\.\.#) {
177 $perl = "$here\\$perl";
179 (my $topdir = $perl) =~ s/\\[^\\]+$//;
180 # miniperl needs to find perlglob and pl2bat
181 $ENV{PATH} = "$topdir;$topdir\\win32\\bin;$ENV{PATH}";
182 my $pl2bat = "$topdir\\win32\\bin\\pl2bat";
183 unless (-f "$pl2bat.bat") {
184 my @args = ($perl, "-I$topdir\\lib", ("$pl2bat.pl") x 2);
186 system(@args) unless defined $::Cross::platform;
189 my $build = getcwd();
191 foreach my $dir (@dirs) {
192 chdir($dir) or die "Cannot cd to $dir: $!\n";
193 (my $ext = getcwd()) =~ s{/}{\\}g;
194 FindExt::scan_ext($ext);
195 FindExt::set_static_extensions(split ' ', $Config{static_ext});
197 or die "Couldn't chdir to '$build': $!"; # restore our start directory
201 push @ext, FindExt::static_ext() if $static;
202 push @ext, FindExt::dynamic_ext() if $dynamic;
203 push @ext, FindExt::nonxs_ext() if $nonxs;
204 push @ext, 'DynaLoader' if $dynaloader;
206 foreach (sort @ext) {
207 if (%incl and !exists $incl{$_}) {
208 #warn "Skipping extension $_, not in inclusion list\n";
211 if (exists $excl{$_}) {
212 warn "Skipping extension $_, not ported to current platform";
216 if($_ eq 'DynaLoader' and $target !~ /clean$/) {
217 # No, we don't know why nmake can't work out the dependency chain
218 push @{$extra_passthrough{$_}}, 'DynaLoader.c';
219 } elsif(FindExt::is_static($_)) {
220 push @{$extra_passthrough{$_}}, 'LINKTYPE=static';
225 or die "Couldn't chdir to build directory: $!"; # now in the Perl build
229 push @extspec, (split ' ', $Config{static_ext}) if $static;
230 push @extspec, (split ' ', $Config{dynamic_ext}) if $dynamic;
231 push @extspec, (split ' ', $Config{nonxs_ext}) if $nonxs;
232 push @extspec, 'DynaLoader' if $dynaloader;
236 # Cwd needs to be built before Encode recurses into subdirectories.
237 # This seems to be the simplest way to ensure this ordering:
246 @extspec = (@first, @other);
249 if ($Config{osname} eq 'catamount' and @extspec) {
250 # Snowball's chance of building extensions.
251 die "This is $Config{osname}, not building $extspec[0], sorry.\n";
254 foreach my $spec (@extspec) {
259 # Try new style ext/Data-Dumper/ first
262 foreach my $dir (@ext_dirs) {
263 if (-d "$dir/$copy") {
264 $ext_pathname = "$dir/$copy";
269 if (!defined $ext_pathname) {
270 if (-d "ext/$spec") {
271 # Old style ext/Data/Dumper/
272 $ext_pathname = "ext/$spec";
274 warn "Can't find extension $spec in any of @ext_dirs";
279 print "\tMaking $mname ($target)\n";
281 build_extension($ext_pathname, $perl, $mname,
282 [@pass_through, @{$extra_passthrough{$spec} || []}]);
285 sub build_extension {
286 my ($ext_dir, $perl, $mname, $pass_through) = @_;
288 unless (chdir "$ext_dir") {
289 warn "Cannot cd to $ext_dir: $!";
296 $perl ||= "$up/miniperl";
297 my $return_dir = $up;
298 my $lib_dir = "$up/lib";
299 # $lib_dir must be last, as we're copying files into it, and in a parallel
300 # make there's a race condition if one process tries to open a module that
301 # another process has half-written.
302 my @new_inc = ((map {"$up/$_"} @toolchain), $lib_dir);
304 @new_inc = map {File::Spec::Functions::rel2abs($_)} @new_inc;
306 $ENV{PERL5LIB} = join $Config{path_sep}, @new_inc;
311 $makefile = 'descrip.mms';
312 if ($target =~ /clean$/
314 && -f "${makefile}_old") {
315 $makefile = "${makefile}_old";
318 $makefile = 'Makefile';
322 if (!-f 'Makefile.PL') {
323 print "\nCreating Makefile.PL in $ext_dir for $mname\n";
324 # We need to cope well with various possible layouts
325 my @dirs = split /::/, $mname;
326 my $leaf = pop @dirs;
327 my $leafname = "$leaf.pm";
328 my $pathname = join '/', @dirs, $leafname;
329 my @locations = ($leafname, $pathname, "lib/$pathname");
331 foreach (@locations) {
339 die "For $mname tried @locations in in $ext_dir but can't find source";
342 ($pod_name = $fromname) =~ s/\.pm\z/.pod/;
343 $pod_name = $fromname unless -e $pod_name;
344 open my $fh, '>', 'Makefile.PL'
345 or die "Can't open Makefile.PL for writing: $!";
347 #-*- buffer-read-only: t -*-
349 # This Makefile.PL was written by $0.
350 # It will be deleted automatically by make realclean
353 use ExtUtils::MakeMaker;
357 VERSION_FROM => '$fromname',
358 ABSTRACT_FROM => '$pod_name',
359 realclean => {FILES => 'Makefile.PL'},
364 close $fh or die "Can't close Makefile.PL: $!";
366 print "\nRunning Makefile.PL in $ext_dir\n";
368 # Presumably this can be simplified
370 if (defined $::Cross::platform) {
371 # Inherited from win32/buildext.pl
372 @cross = "-MCross=$::Cross::platform";
373 } elsif ($opts{cross}) {
374 # Inherited from make_ext.pl
378 my @args = (@cross, 'Makefile.PL');
380 my $libd = VMS::Filespec::vmspath($lib_dir);
381 push @args, "INST_LIB=$libd", "INST_ARCHLIB=$libd";
383 push @args, 'INSTALLDIRS=perl', 'INSTALLMAN1DIR=none',
384 'INSTALLMAN3DIR=none';
386 push @args, @$pass_through;
387 _quote_args(\@args) if $is_VMS;
388 print join(' ', @run, $perl, @args), "\n";
389 my $code = system @run, $perl, @args;
390 warn "$code from $ext_dir\'s Makefile.PL" if $code;
392 # Right. The reason for this little hack is that we're sitting inside
393 # a program run by ./miniperl, but there are tasks we need to perform
394 # when the 'realclean', 'distclean' or 'veryclean' targets are run.
395 # Unfortunately, they can be run *after* 'clean', which deletes
397 # So we do our best to leave a set of instructions identical to what
398 # we would do if we are run directly as 'realclean' etc
399 # Whilst we're perfect, unfortunately the targets we call are not, as
400 # some of them rely on a $(PERL) for their own distclean targets.
401 # But this always used to be a problem with the old /bin/sh version of
405 foreach my $clean_target ('realclean', 'veryclean') {
406 my $file = "$return_dir/$clean_target$suffix";
407 open my $fh, '>>', $file or die "open $file: $!";
408 # Quite possible that we're being run in parallel here.
409 # Can't use Fcntl this early to get the LOCK_EX
410 flock $fh, 2 or warn "flock $file: $!";
413 if test ! -f Makefile -a -f Makefile.old; then
414 echo "Note: Using Makefile.old"
415 make -f Makefile.old $clean_target MAKE='@make' @pass_through
417 if test ! -f Makefile ; then
418 echo "Warning: No Makefile!"
420 make $clean_target MAKE='@make' @pass_through
424 close $fh or die "close $file: $!";
429 if (not -f $makefile) {
430 print "Warning: No Makefile!\n";
434 _macroify_passthrough($pass_through);
435 unshift @$pass_through, "/DESCRIPTION=$makefile";
438 if (!$target or $target !~ /clean$/) {
439 # Give makefile an opportunity to rewrite itself.
440 # reassure users that life goes on...
441 my @args = ('config', @$pass_through);
442 _quote_args(\@args) if $is_VMS;
443 system(@run, @make, @args) and print "@run @make @args failed, continuing anyway...\n";
445 my @targ = ($target, @$pass_through);
446 _quote_args(\@targ) if $is_VMS;
447 print "Making $target in $ext_dir\n@run @make @targ\n";
448 my $code = system(@run, @make, @targ);
449 die "Unsuccessful make($ext_dir): code=$code" if $code != 0;
451 chdir $return_dir || die "Cannot cd to $return_dir: $!";
455 my $args = shift; # must be array reference
457 # Do not quote qualifiers that begin with '/'.
459 $_ =~ s/\"/""/g; # escape C<"> by doubling
466 sub _macroify_passthrough {
467 my $passthrough = shift;
468 _quote_args($passthrough);
469 my $macro = '/MACRO=(' . join(',',@$passthrough) . ')';
471 @$passthrough[0] = $macro;