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/Cwd/lib 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 my @ext_dirs = qw(ext cpan);
24 # This script acts as a simple interface for building extensions.
26 # It's actually a cut and shut of the Unix version ext/utils/makeext and the
27 # Windows version win32/build_ext.pl hence the two invocation styles.
29 # On Unix, it primarily used by the perl Makefile one extention at a time:
31 # d_dummy $(dynamic_ext): miniperl preplibrary FORCE
32 # @$(RUN) ./miniperl make_ext.pl --target=dynamic $@ MAKE=$(MAKE) LIBPERL_A=$(LIBPERL)
35 # If '--static' is specified, static extensions will be built.
36 # If '--dynamic' is specified, dynamic extensions will be built.
37 # If '--nonxs' is specified, nonxs extensions will be built.
38 # If '--dynaloader' is specificied, DynaLoader will be built.
39 # If '--all' is specified, all extensions will be built.
41 # make_ext.pl "MAKE=make [-make_opts]" --dir=directory [--target=target] [--static|--dynamic|--all] +ext2 !ext1
45 # make_ext.pl "MAKE=nmake -nologo" --dir=..\ext
47 # make_ext.pl "MAKE=nmake -nologo" --dir=..\ext --target=clean
49 # make_ext.pl MAKE=dmake --dir=..\ext
51 # make_ext.pl MAKE=dmake --dir=..\ext --target=clean
53 # Will skip building extensions which are marked with an '!' char.
54 # Mostly because they still not ported to specified platform.
56 # If any extensions are listed with a '+' char then only those
57 # extensions will be built, but only if they arent countermanded
58 # by an '!ext' and are appropriate to the type of building being done.
60 # It may be deleted in a later release of perl so try to
61 # avoid using it for other purposes.
63 my $is_Win32 = $^O eq 'MSWin32';
64 my $is_VMS = $^O eq 'VMS';
65 my $is_Unix = !$is_Win32 && !$is_VMS;
67 require FindExt if $is_Win32;
69 my (%excl, %incl, %opts, @extspec, @pass_through);
74 } elsif (/^\+(.*)$/) {
76 } elsif (/^--([\w\-]+)$/) {
78 } elsif (/^--([\w\-]+)=(.*)$/) {
79 push @{$opts{$1}}, $2;
81 push @pass_through, $_;
87 my $static = $opts{static} || $opts{all};
88 my $dynamic = $opts{dynamic} || $opts{all};
89 my $nonxs = $opts{nonxs} || $opts{all};
90 my $dynaloader = $opts{dynaloader} || $opts{all};
92 # The Perl Makefile.SH will expand all extensions to
93 # lib/auto/X/X.a (or lib/auto/X/Y/Y.a if nested)
94 # A user wishing to run make_ext might use
95 # X (or X/Y or X::Y if nested)
97 # canonise into X/Y form (pname)
100 if (s{^lib/auto/}{}) {
101 # Remove lib/auto prefix and /*.* suffix
103 } elsif (s{^ext/}{}) {
104 # Remove ext/ prefix and /pm_to_blib suffix
106 # Targets are given as files on disk, but the extension spec is still
107 # written using /s for each ::
109 } elsif (s{::}{\/}g) {
116 my $makecmd = shift @pass_through; # Should be something like MAKE=make
117 unshift @pass_through, 'PERL_CORE=1';
119 my @dirs = $opts{dir} || ['ext', 'cpan'];
120 my $target = $opts{target}[0];
121 $target = 'all' unless defined $target;
123 # Previously, $make was taken from config.sh. However, the user might
124 # instead be running a possibly incompatible make. This might happen if
125 # the user types "gmake" instead of a plain "make", for example. The
126 # correct current value of MAKE will come through from the main perl
127 # makefile as MAKE=/whatever/make in $makecmd. We'll be cautious in
128 # case third party users of this script (are there any?) don't have the
129 # MAKE=$(MAKE) argument, which was added after 5.004_03.
130 unless(defined $makecmd and $makecmd =~ /^MAKE=(.*)$/) {
131 die "$0: WARNING: Please include MAKE=\$(MAKE) in \@ARGV\n";
134 # This isn't going to cope with anything fancy, such as spaces inside command
135 # names, but neither did what it replaced. Once there is a use case that needs
136 # it, please supply patches. Until then, I'm sticking to KISS
137 my @make = split ' ', $1 || $Config{make} || $ENV{MAKE};
138 # Using an array of 0 or 1 elements makes the subsequent code simpler.
139 my @run = $Config{run};
140 @run = () if not defined $run[0] or $run[0] eq '';
144 die "make_ext: no make target specified (eg all or clean)\n";
145 } elsif ($target !~ /(?:^all|clean)$/) {
146 # for the time being we are strict about what make_ext is used for
147 die "$0: unknown make target '$target'\n";
150 if (!@extspec and !$static and !$dynamic and !$nonxs and !$dynaloader) {
151 die "$0: no extension specified\n";
155 my %extra_passthrough;
158 (my $here = getcwd()) =~ s{/}{\\}g;
160 if ($perl =~ m#^\.\.#) {
161 $perl = "$here\\$perl";
163 (my $topdir = $perl) =~ s/\\[^\\]+$//;
164 # miniperl needs to find perlglob and pl2bat
165 $ENV{PATH} = "$topdir;$topdir\\win32\\bin;$ENV{PATH}";
166 my $pl2bat = "$topdir\\win32\\bin\\pl2bat";
167 unless (-f "$pl2bat.bat") {
168 my @args = ($perl, "-I$topdir\\lib", ("$pl2bat.pl") x 2);
170 system(@args) unless defined $::Cross::platform;
173 print "In ", getcwd();
174 foreach my $dir (@dirs) {
175 chdir($dir) || die "Cannot cd to $dir\n";
176 (my $ext = getcwd()) =~ s{/}{\\}g;
177 FindExt::scan_ext($ext);
178 FindExt::set_static_extensions(split ' ', $Config{static_ext});
181 push @ext, FindExt::static_ext() if $static;
182 push @ext, FindExt::dynamic_ext() if $dynamic;
183 push @ext, FindExt::nonxs_ext() if $nonxs;
184 push @ext, 'DynaLoader' if $dynaloader;
186 foreach (sort @ext) {
187 if (%incl and !exists $incl{$_}) {
188 #warn "Skipping extension $ext\\$_, not in inclusion list\n";
191 if (exists $excl{$_}) {
192 warn "Skipping extension $ext\\$_, not ported to current platform";
196 if($_ eq 'DynaLoader') {
197 # No, we don't know why nmake can't work out the dependency chain
198 push @{$extra_passthrough{$_}}, 'DynaLoader.c';
199 } elsif(FindExt::is_static($_)) {
200 push @{$extra_passthrough{$_}}, 'LINKTYPE=static';
203 chdir '..'; # now in the Perl build directory
208 push @extspec, (split ' ', $Config{static_ext}) if $static;
209 push @extspec, (split ' ', $Config{dynamic_ext}) if $dynamic;
210 push @extspec, (split ' ', $Config{nonxs_ext}) if $nonxs;
211 push @extspec, 'DynaLoader' if $dynaloader;
215 # Cwd needs to be built before Encode recurses into subdirectories.
216 # This seems to be the simplest way to ensure this ordering:
225 @extspec = (@first, @other);
228 foreach my $spec (@extspec) {
232 if (-d "ext/$spec") {
233 # Old style ext/Data/Dumper/
234 $ext_pathname = "ext/$spec";
236 # New style ext/Data-Dumper/
239 foreach my $dir (@ext_dirs) {
240 if (-d "$dir/$copy") {
241 $ext_pathname = "$dir/$copy";
245 if (!defined $ext_pathname) {
246 warn "Can't find extension $spec in any of @ext_dirs";
251 if ($Config{osname} eq 'catamount') {
252 # Snowball's chance of building extensions.
253 die "This is $Config{osname}, not building $mname, sorry.\n";
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) = @_;
268 $perl ||= "$up/miniperl";
269 my $return_dir = $up;
270 my $lib_dir = "$up/lib";
271 # $lib_dir must be last, as we're copying files into it, and in a parallel
272 # make there's a race condition if one process tries to open a module that
273 # another process has half-written.
275 = join $Config{path_sep}, (map {"$up/$_"} @toolchain), $lib_dir;
278 unless (chdir "$ext_dir") {
279 warn "Cannot cd to $ext_dir: $!";
284 $makefile = 'descrip.mms';
285 if ($target =~ /clean$/
287 && -f "${makefile}_old") {
288 $makefile = "${makefile}_old";
291 $makefile = 'Makefile';
295 if (!-f 'Makefile.PL') {
296 print "\nCreating Makefile.PL in $ext_dir for $mname\n";
297 # We need to cope well with various possible layouts
298 my @dirs = split /::/, $mname;
299 my $leaf = pop @dirs;
300 my $leafname = "$leaf.pm";
301 my $pathname = join '/', @dirs, $leafname;
302 my @locations = ($leafname, $pathname, "lib/$pathname");
304 foreach (@locations) {
312 die "For $mname tried @locations in in $ext_dir but can't find source";
314 open my $fh, '>', 'Makefile.PL'
315 or die "Can't open Makefile.PL for writing: $!";
317 #-*- buffer-read-only: t -*-
319 # This Makefile.PL was written by $0.
320 # It will be deleted automatically by make realclean
323 use ExtUtils::MakeMaker;
327 VERSION_FROM => '$fromname',
328 ABSTRACT_FROM => '$fromname',
329 realclean => {FILES => 'Makefile.PL'},
334 close $fh or die "Can't close Makefile.PL: $!";
336 print "\nRunning Makefile.PL in $ext_dir\n";
338 # Presumably this can be simplified
340 if (defined $::Cross::platform) {
341 # Inherited from win32/buildext.pl
342 @cross = "-MCross=$::Cross::platform";
343 } elsif ($opts{cross}) {
344 # Inherited from make_ext.pl
348 my @args = (@cross, 'Makefile.PL');
350 my $libd = VMS::Filespec::vmspath($lib_dir);
351 push @args, "INST_LIB=$libd", "INST_ARCHLIB=$libd";
353 push @args, 'INSTALLDIRS=perl', 'INSTALLMAN1DIR=none',
354 'INSTALLMAN3DIR=none';
356 push @args, @$pass_through;
357 _quote_args(\@args) if $is_VMS;
358 print join(' ', @run, $perl, @args), "\n";
359 my $code = system @run, $perl, @args;
360 warn "$code from $ext_dir\'s Makefile.PL" if $code;
362 # Right. The reason for this little hack is that we're sitting inside
363 # a program run by ./miniperl, but there are tasks we need to perform
364 # when the 'realclean', 'distclean' or 'veryclean' targets are run.
365 # Unfortunately, they can be run *after* 'clean', which deletes
367 # So we do our best to leave a set of instructions identical to what
368 # we would do if we are run directly as 'realclean' etc
369 # Whilst we're perfect, unfortunately the targets we call are not, as
370 # some of them rely on a $(PERL) for their own distclean targets.
371 # But this always used to be a problem with the old /bin/sh version of
375 foreach my $clean_target ('realclean', 'veryclean') {
376 my $file = "$return_dir/$clean_target$suffix";
377 open my $fh, '>>', $file or die "open $file: $!";
378 # Quite possible that we're being run in parallel here.
379 # Can't use Fcntl this early to get the LOCK_EX
380 flock $fh, 2 or warn "flock $file: $!";
383 if test ! -f Makefile -a -f Makefile.old; then
384 echo "Note: Using Makefile.old"
385 make -f Makefile.old $clean_target MAKE='@make' @pass_through
387 if test ! -f Makefile ; then
388 echo "Warning: No Makefile!"
390 make $clean_target MAKE='@make' @pass_through
394 close $fh or die "close $file: $!";
399 if (not -f $makefile) {
400 print "Warning: No Makefile!\n";
404 _macroify_passthrough($pass_through);
405 unshift @$pass_through, "/DESCRIPTION=$makefile";
408 if (!$target or $target !~ /clean$/) {
409 # Give makefile an opportunity to rewrite itself.
410 # reassure users that life goes on...
411 my @args = ('config', @$pass_through);
412 _quote_args(\@args) if $is_VMS;
413 system(@run, @make, @args) and print "@run @make @args failed, continuing anyway...\n";
415 my @targ = ($target, @$pass_through);
416 _quote_args(\@targ) if $is_VMS;
417 print "Making $target in $ext_dir\n@run @make @targ\n";
418 my $code = system(@run, @make, @targ);
419 die "Unsuccessful make($ext_dir): code=$code" if $code != 0;
421 chdir $return_dir || die "Cannot cd to $return_dir: $!";
425 my $args = shift; # must be array reference
427 # Do not quote qualifiers that begin with '/'.
429 $_ =~ s/\"/""/g; # escape C<"> by doubling
436 sub _macroify_passthrough {
437 my $passthrough = shift;
438 _quote_args($passthrough);
439 my $macro = '/MACRO=(' . join(',',@$passthrough) . ')';
441 @$passthrough[0] = $macro;