6 unshift @INC, $^O eq 'MSWin32' ? '../ext/Cwd' : 'ext/Cwd';
10 # To clarify, this isn't the entire suite of modules considered "toolchain"
11 # It's not even all modules needed to build ext/
12 # It's just the source paths of the (minimum complete set of) modules in ext/
13 # needed to build the nonxs modules
14 # After which, all nonxs modules are in lib, which was always sufficient to
15 # allow miniperl to build everything else.
17 my @toolchain = qw(ext/constant/lib ext/Cwd ext/ExtUtils-Command/lib
18 ext/ExtUtils-Install/lib ext/ExtUtils-MakeMaker/lib
19 ext/ExtUtils-Manifest/lib ext/Text-ParseWords/lib
20 ext/File-Path/lib ext/AutoLoader/lib);
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 extention 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 specificied, 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 $is_Win32 = $^O eq 'MSWin32';
62 my $is_VMS = $^O eq 'VMS';
63 my $is_Unix = !$is_Win32 && !$is_VMS;
65 require FindExt if $is_Win32;
67 my (%excl, %incl, %opts, @extspec, @pass_through);
72 } elsif (/^\+(.*)$/) {
74 } elsif (/^--([\w\-]+)$/) {
76 } elsif (/^--([\w\-]+)=(.*)$/) {
79 push @pass_through, $_;
85 my $static = $opts{static} || $opts{all};
86 my $dynamic = $opts{dynamic} || $opts{all};
87 my $nonxs = $opts{nonxs} || $opts{all};
88 my $dynaloader = $opts{dynaloader} || $opts{all};
90 # The Perl Makefile.SH will expand all extensions to
91 # lib/auto/X/X.a (or lib/auto/X/Y/Y.a if nested)
92 # A user wishing to run make_ext might use
93 # X (or X/Y or X::Y if nested)
95 # canonise into X/Y form (pname)
98 if (s{^lib/auto/}{}) {
99 # Remove lib/auto prefix and /*.* suffix
101 } elsif (s{^ext/}{}) {
102 # Remove ext/ prefix and /pm_to_blib suffix
104 # Targets are given as files on disk, but the extension spec is still
105 # written using /s for each ::
107 } elsif (s{::}{\/}g) {
114 my $makecmd = shift @pass_through; # Should be something like MAKE=make
115 unshift @pass_through, 'PERL_CORE=1';
117 my $dir = $opts{dir} || 'ext';
118 my $target = $opts{target};
119 $target = 'all' unless defined $target;
121 # Previously, $make was taken from config.sh. However, the user might
122 # instead be running a possibly incompatible make. This might happen if
123 # the user types "gmake" instead of a plain "make", for example. The
124 # correct current value of MAKE will come through from the main perl
125 # makefile as MAKE=/whatever/make in $makecmd. We'll be cautious in
126 # case third party users of this script (are there any?) don't have the
127 # MAKE=$(MAKE) argument, which was added after 5.004_03.
128 unless(defined $makecmd and $makecmd =~ /^MAKE=(.*)$/) {
129 die "$0: WARNING: Please include MAKE=\$(MAKE) in \@ARGV\n";
132 # This isn't going to cope with anything fancy, such as spaces inside command
133 # names, but neither did what it replaced. Once there is a use case that needs
134 # it, please supply patches. Until then, I'm sticking to KISS
135 my @make = split ' ', $1 || $Config{make} || $ENV{MAKE};
136 # Using an array of 0 or 1 elements makes the subsequent code simpler.
137 my @run = $Config{run};
138 @run = () if not defined $run[0] or $run[0] eq '';
142 die "make_ext: no make target specified (eg all or clean)\n";
143 } elsif ($target !~ /(?:^all|clean)$/) {
144 # for the time being we are strict about what make_ext is used for
145 die "$0: unknown make target '$target'\n";
148 if (!@extspec and !$static and !$dynamic and !$nonxs and !$dynaloader) {
149 die "$0: no extension specified\n";
153 my %extra_passthrough;
156 (my $here = getcwd()) =~ s{/}{\\}g;
158 if ($perl =~ m#^\.\.#) {
159 $perl = "$here\\$perl";
161 (my $topdir = $perl) =~ s/\\[^\\]+$//;
162 # miniperl needs to find perlglob and pl2bat
163 $ENV{PATH} = "$topdir;$topdir\\win32\\bin;$ENV{PATH}";
164 my $pl2bat = "$topdir\\win32\\bin\\pl2bat";
165 unless (-f "$pl2bat.bat") {
166 my @args = ($perl, ("$pl2bat.pl") x 2);
168 system(@args) unless defined $::Cross::platform;
171 print "In ", getcwd();
172 chdir($dir) || die "Cannot cd to $dir\n";
173 (my $ext = getcwd()) =~ s{/}{\\}g;
174 FindExt::scan_ext($ext);
175 FindExt::set_static_extensions(split ' ', $Config{static_ext});
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 $ext\\$_, not in inclusion list\n";
188 if (exists $excl{$_}) {
189 warn "Skipping extension $ext\\$_, not ported to current platform";
193 if($_ eq 'DynaLoader') {
194 # No, we don't know why nmake can't work out the dependency chain
195 push @{$extra_passthrough{$_}}, 'DynaLoader.c';
196 } elsif(FindExt::is_static($_)) {
197 push @{$extra_passthrough{$_}}, 'LINKTYPE=static';
200 chdir '..'; # now in the Perl build directory
204 push @extspec, (split ' ', $Config{static_ext}) if $static;
205 push @extspec, (split ' ', $Config{dynamic_ext}) if $dynamic;
206 push @extspec, (split ' ', $Config{nonxs_ext}) if $nonxs;
207 push @extspec, 'DynaLoader' if $dynaloader;
211 # Cwd needs to be built before Encode recurses into subdirectories.
212 # This seems to be the simplest way to ensure this ordering:
221 @extspec = (@first, @other);
224 foreach my $spec (@extspec) {
228 if (-d "ext/$spec") {
229 # Old style ext/Data/Dumper/
230 $ext_pathname = "ext/$spec";
232 # New style ext/Data-Dumper/
235 $ext_pathname = "ext/$copy";
238 if ($Config{osname} eq 'catamount') {
239 # Snowball's chance of building extensions.
240 die "This is $Config{osname}, not building $mname, sorry.\n";
243 print "\tMaking $mname ($target)\n";
245 build_extension($ext_pathname, $perl, $mname,
246 [@pass_through, @{$extra_passthrough{$spec} || []}]);
249 sub build_extension {
250 my ($ext_dir, $perl, $mname, $pass_through) = @_;
255 $perl ||= "$up/miniperl";
256 my $return_dir = $up;
257 my $lib_dir = "$up/lib";
258 # $lib_dir must be last, as we're copying files into it, and in a parallel
259 # make there's a race condition if one process tries to open a module that
260 # another process has half-written.
262 = join $Config{path_sep}, (map {"$up/$_"} @toolchain), $lib_dir;
265 unless (chdir "$ext_dir") {
266 warn "Cannot cd to $ext_dir: $!";
271 $makefile = 'descrip.mms';
272 if ($target =~ /clean$/
274 && -f "${makefile}_old") {
275 $makefile = "${makefile}_old";
278 $makefile = 'Makefile';
282 if (!-f 'Makefile.PL') {
283 print "\nCreating Makefile.PL in $ext_dir for $mname\n";
284 # We need to cope well with various possible layouts
285 my @dirs = split /::/, $mname;
286 my $leaf = pop @dirs;
287 my $leafname = "$leaf.pm";
288 my $pathname = join '/', @dirs, $leafname;
289 my @locations = ($leafname, $pathname, "lib/$pathname");
291 foreach (@locations) {
299 die "For $mname tried @locations in in $ext_dir but can't find source";
301 open my $fh, '>', 'Makefile.PL'
302 or die "Can't open Makefile.PL for writing: $!";
304 #-*- buffer-read-only: t -*-
306 # This Makefile.PL was written by $0.
307 # It will be deleted automatically by make realclean
310 use ExtUtils::MakeMaker;
314 VERSION_FROM => '$fromname',
315 ABSTRACT_FROM => '$fromname',
316 realclean => {FILES => 'Makefile.PL'},
321 close $fh or die "Can't close Makefile.PL: $!";
323 print "\nRunning Makefile.PL in $ext_dir\n";
325 # Presumably this can be simplified
327 if (defined $::Cross::platform) {
328 # Inherited from win32/buildext.pl
329 @cross = "-MCross=$::Cross::platform";
330 } elsif ($opts{cross}) {
331 # Inherited from make_ext.pl
335 my @args = (@cross, 'Makefile.PL');
337 my $libd = VMS::Filespec::vmspath($lib_dir);
338 push @args, "INST_LIB=$libd", "INST_ARCHLIB=$libd";
340 push @args, 'INSTALLDIRS=perl', 'INSTALLMAN1DIR=none',
341 'INSTALLMAN3DIR=none';
343 push @args, @$pass_through;
344 _quote_args(\@args) if $is_VMS;
345 print join(' ', @run, $perl, @args), "\n";
346 my $code = system @run, $perl, @args;
347 warn "$code from $ext_dir\'s Makefile.PL" if $code;
349 # Right. The reason for this little hack is that we're sitting inside
350 # a program run by ./miniperl, but there are tasks we need to perform
351 # when the 'realclean', 'distclean' or 'veryclean' targets are run.
352 # Unfortunately, they can be run *after* 'clean', which deletes
354 # So we do our best to leave a set of instructions identical to what
355 # we would do if we are run directly as 'realclean' etc
356 # Whilst we're perfect, unfortunately the targets we call are not, as
357 # some of them rely on a $(PERL) for their own distclean targets.
358 # But this always used to be a problem with the old /bin/sh version of
362 foreach my $clean_target ('realclean', 'veryclean') {
363 my $file = "$return_dir/$clean_target$suffix";
364 open my $fh, '>>', $file or die "open $file: $!";
365 # Quite possible that we're being run in parallel here.
366 # Can't use Fcntl this early to get the LOCK_EX
367 flock $fh, 2 or warn "flock $file: $!";
370 if test ! -f Makefile -a -f Makefile.old; then
371 echo "Note: Using Makefile.old"
372 make -f Makefile.old $clean_target MAKE='@make' @pass_through
374 if test ! -f Makefile ; then
375 echo "Warning: No Makefile!"
377 make $clean_target MAKE='@make' @pass_through
381 close $fh or die "close $file: $!";
386 if (not -f $makefile) {
387 print "Warning: No Makefile!\n";
391 _macroify_passthrough($pass_through);
392 unshift @$pass_through, "/DESCRIPTION=$makefile";
395 if (!$target or $target !~ /clean$/) {
396 # Give makefile an opportunity to rewrite itself.
397 # reassure users that life goes on...
398 my @args = ('config', @$pass_through);
399 _quote_args(\@args) if $is_VMS;
400 system(@run, @make, @args) and print "@run @make @args failed, continuing anyway...\n";
402 my @targ = ($target, @$pass_through);
403 _quote_args(\@targ) if $is_VMS;
404 print "Making $target in $ext_dir\n@run @make @targ\n";
405 my $code = system(@run, @make, @targ);
406 die "Unsuccessful make($ext_dir): code=$code" if $code != 0;
408 chdir $return_dir || die "Cannot cd to $return_dir: $!";
412 my $args = shift; # must be array reference
414 # Do not quote qualifiers that begin with '/'.
416 $_ =~ s/\"/""/g; # escape C<"> by doubling
423 sub _macroify_passthrough {
424 my $passthrough = shift;
425 _quote_args($passthrough);
426 my $macro = '/MACRO=(' . join(',',@$passthrough) . ')';
428 @$passthrough[0] = $macro;