6 my $is_Win32 = $^O eq 'MSWin32';
7 my $is_VMS = $^O eq 'VMS';
8 my $is_Unix = !$is_Win32 && !$is_VMS;
10 my @ext_dirs = qw(cpan dist ext);
11 my $ext_dirs_re = '(?:' . join('|', @ext_dirs) . ')';
13 # This script acts as a simple interface for building extensions.
15 # It's actually a cut and shut of the Unix version ext/utils/makeext and the
16 # Windows version win32/build_ext.pl hence the two invocation styles.
18 # On Unix, it primarily used by the perl Makefile one extension at a time:
20 # d_dummy $(dynamic_ext): miniperl preplibrary FORCE
21 # @$(RUN) ./miniperl make_ext.pl --target=dynamic $@ MAKE=$(MAKE) LIBPERL_A=$(LIBPERL)
24 # If '--static' is specified, static extensions will be built.
25 # If '--dynamic' is specified, dynamic extensions will be built.
26 # If '--nonxs' is specified, nonxs extensions will be built.
27 # If '--dynaloader' is specified, DynaLoader will be built.
28 # If '--all' is specified, all extensions will be built.
30 # make_ext.pl "MAKE=make [-make_opts]" --dir=directory [--target=target] [--static|--dynamic|--all] +ext2 !ext1
34 # make_ext.pl "MAKE=nmake -nologo" --dir=..\ext
36 # make_ext.pl "MAKE=nmake -nologo" --dir=..\ext --target=clean
38 # make_ext.pl MAKE=dmake --dir=..\ext
40 # make_ext.pl MAKE=dmake --dir=..\ext --target=clean
42 # Will skip building extensions which are marked with an '!' char.
43 # Mostly because they still not ported to specified platform.
45 # If any extensions are listed with a '+' char then only those
46 # extensions will be built, but only if they arent countermanded
47 # by an '!ext' and are appropriate to the type of building being done.
49 # It may be deleted in a later release of perl so try to
50 # avoid using it for other purposes.
52 my (%excl, %incl, %opts, @extspec, @pass_through);
57 } elsif (/^\+(.*)$/) {
59 } elsif (/^--([\w\-]+)$/) {
61 } elsif (/^--([\w\-]+)=(.*)$/) {
62 push @{$opts{$1}}, $2;
64 push @pass_through, $_;
70 my $static = $opts{static} || $opts{all};
71 my $dynamic = $opts{dynamic} || $opts{all};
72 my $nonxs = $opts{nonxs} || $opts{all};
73 my $dynaloader = $opts{dynaloader} || $opts{all};
75 # The Perl Makefile.SH will expand all extensions to
76 # lib/auto/X/X.a (or lib/auto/X/Y/Y.a if nested)
77 # A user wishing to run make_ext might use
78 # X (or X/Y or X::Y if nested)
80 # canonise into X/Y form (pname)
83 if (s{^lib/auto/}{}) {
84 # Remove lib/auto prefix and /*.* suffix
86 } elsif (s{^$ext_dirs_re/}{}) {
87 # Remove ext/ prefix and /pm_to_blib suffix
89 # Targets are given as files on disk, but the extension spec is still
90 # written using /s for each ::
92 } elsif (s{::}{\/}g) {
99 my $makecmd = shift @pass_through; # Should be something like MAKE=make
100 unshift @pass_through, 'PERL_CORE=1';
102 my @dirs = @{$opts{dir} || \@ext_dirs};
103 my $target = $opts{target}[0];
104 $target = 'all' unless defined $target;
106 # Previously, $make was taken from config.sh. However, the user might
107 # instead be running a possibly incompatible make. This might happen if
108 # the user types "gmake" instead of a plain "make", for example. The
109 # correct current value of MAKE will come through from the main perl
110 # makefile as MAKE=/whatever/make in $makecmd. We'll be cautious in
111 # case third party users of this script (are there any?) don't have the
112 # MAKE=$(MAKE) argument, which was added after 5.004_03.
113 unless(defined $makecmd and $makecmd =~ /^MAKE=(.*)$/) {
114 die "$0: WARNING: Please include MAKE=\$(MAKE) in \@ARGV\n";
117 # This isn't going to cope with anything fancy, such as spaces inside command
118 # names, but neither did what it replaced. Once there is a use case that needs
119 # it, please supply patches. Until then, I'm sticking to KISS
120 my @make = split ' ', $1 || $Config{make} || $ENV{MAKE};
121 # Using an array of 0 or 1 elements makes the subsequent code simpler.
122 my @run = $Config{run};
123 @run = () if not defined $run[0] or $run[0] eq '';
127 die "make_ext: no make target specified (eg all or clean)\n";
128 } elsif ($target !~ /(?:^all|clean)$/) {
129 # for the time being we are strict about what make_ext is used for
130 die "$0: unknown make target '$target'\n";
133 if (!@extspec and !$static and !$dynamic and !$nonxs and !$dynaloader) {
134 die "$0: no extension specified\n";
138 my %extra_passthrough;
143 my $build = Cwd::getcwd();
145 if ($perl =~ m#^\.\.#) {
148 $perl = "$here\\$perl";
150 (my $topdir = $perl) =~ s/\\[^\\]+$//;
151 # miniperl needs to find perlglob and pl2bat
152 $ENV{PATH} = "$topdir;$topdir\\win32\\bin;$ENV{PATH}";
153 my $pl2bat = "$topdir\\win32\\bin\\pl2bat";
154 unless (-f "$pl2bat.bat") {
155 my @args = ($perl, "-I$topdir\\lib", ("$pl2bat.pl") x 2);
157 system(@args) unless defined $::Cross::platform;
161 foreach my $dir (@dirs) {
162 chdir($dir) or die "Cannot cd to $dir: $!\n";
163 (my $ext = Cwd::getcwd()) =~ s{/}{\\}g;
164 FindExt::scan_ext($ext);
165 FindExt::set_static_extensions(split ' ', $Config{static_ext});
167 or die "Couldn't chdir to '$build': $!"; # restore our start directory
171 push @ext, FindExt::static_ext() if $static;
172 push @ext, FindExt::dynamic_ext() if $dynamic;
173 push @ext, FindExt::nonxs_ext() if $nonxs;
174 push @ext, 'DynaLoader' if $dynaloader;
176 foreach (sort @ext) {
177 if (%incl and !exists $incl{$_}) {
178 #warn "Skipping extension $_, not in inclusion list\n";
181 if (exists $excl{$_}) {
182 warn "Skipping extension $_, not ported to current platform";
186 if($_ eq 'DynaLoader' and $target !~ /clean$/) {
187 # No, we don't know why nmake can't work out the dependency chain
188 push @{$extra_passthrough{$_}}, 'DynaLoader.c';
189 } elsif(FindExt::is_static($_)) {
190 push @{$extra_passthrough{$_}}, 'LINKTYPE=static';
195 or die "Couldn't chdir to build directory: $!"; # now in the Perl build
199 push @extspec, (split ' ', $Config{static_ext}) if $static;
200 push @extspec, (split ' ', $Config{dynamic_ext}) if $dynamic;
201 push @extspec, (split ' ', $Config{nonxs_ext}) if $nonxs;
202 push @extspec, 'DynaLoader' if $dynaloader;
206 # Cwd needs to be built before Encode recurses into subdirectories.
207 # Pod::Simple needs to be built before Pod::Functions
208 # This seems to be the simplest way to ensure this ordering:
211 if ($_ eq 'Cwd' || $_ eq 'Pod/Simple') {
217 @extspec = (@first, @other);
220 if ($Config{osname} eq 'catamount' and @extspec) {
221 # Snowball's chance of building extensions.
222 die "This is $Config{osname}, not building $extspec[0], sorry.\n";
225 foreach my $spec (@extspec) {
230 # Try new style ext/Data-Dumper/ first
233 foreach my $dir (@ext_dirs) {
234 if (-d "$dir/$copy") {
235 $ext_pathname = "$dir/$copy";
240 if (!defined $ext_pathname) {
241 if (-d "ext/$spec") {
242 # Old style ext/Data/Dumper/
243 $ext_pathname = "ext/$spec";
245 warn "Can't find extension $spec in any of @ext_dirs";
250 print "\tMaking $mname ($target)\n";
252 build_extension($ext_pathname, $perl, $mname,
253 [@pass_through, @{$extra_passthrough{$spec} || []}]);
256 sub build_extension {
257 my ($ext_dir, $perl, $mname, $pass_through) = @_;
259 unless (chdir "$ext_dir") {
260 warn "Cannot cd to $ext_dir: $!";
267 $perl ||= "$up/miniperl";
268 my $return_dir = $up;
269 my $lib_dir = "$up/lib";
274 $makefile = 'descrip.mms';
275 if ($target =~ /clean$/
277 && -f "${makefile}_old") {
278 $makefile = "${makefile}_old";
281 $makefile = 'Makefile';
285 if (!-f 'Makefile.PL') {
286 print "\nCreating Makefile.PL in $ext_dir for $mname\n";
287 my ($fromname, $key, $value);
288 if ($mname eq 'podlators') {
289 # We need to special case this somewhere, and this is fewer
290 # lines of code than a core-only Makefile.PL, and no more
292 $fromname = 'VERSION';
294 $value = 'podlators';
297 $key = 'ABSTRACT_FROM';
298 # We need to cope well with various possible layouts
299 my @dirs = split /::/, $mname;
300 my $leaf = pop @dirs;
301 my $leafname = "$leaf.pm";
302 my $pathname = join '/', @dirs, $leafname;
303 my @locations = ($leafname, $pathname, "lib/$pathname");
304 foreach (@locations) {
312 die "For $mname tried @locations in in $ext_dir but can't find source";
314 ($value = $fromname) =~ s/\.pm\z/.pod/;
315 $value = $fromname unless -e $value;
317 open my $fh, '>', 'Makefile.PL'
318 or die "Can't open Makefile.PL for writing: $!";
319 printf $fh <<'EOM', $0, $mname, $fromname, $key, $value;
320 #-*- buffer-read-only: t -*-
322 # This Makefile.PL was written by %s.
323 # It will be deleted automatically by make realclean
326 use ExtUtils::MakeMaker;
328 # This is what the .PL extracts to. Not the ultimate file that is installed.
329 # (ie Win32 runs pl2bat after this)
331 # Doing this here avoids all sort of quoting issues that would come from
332 # attempting to write out perl source with literals to generate the arrays and
334 my @temps = 'Makefile.PL';
335 foreach (glob('scripts/pod*.PL')) {
336 # The various pod*.PL extractors change directory. Doing that with relative
337 # paths in @INC breaks. It seems the lesser of two evils to copy (to avoid)
338 # the chdir doing anything, than to attempt to convert lib paths to
339 # absolute, and potentially run into problems with quoting special
340 # characters in the path to our build dir (such as spaces)
344 $temp =~ s!scripts/!!;
345 File::Copy::copy($_, $temp) or die "Can't copy $temp to $_: $!";
349 my $script_ext = $^O eq 'VMS' ? '.com' : '';
351 foreach (glob('pod*.PL')) {
353 s/.PL$/$script_ext/i;
354 $pod_scripts{$script} = $_;
356 my @exe_files = values %%pod_scripts;
360 VERSION_FROM => '%s',
362 realclean => { FILES => "@temps" },
364 PL_FILES => \%%pod_scripts,
365 EXE_FILES => \@exe_files,
366 clean => { FILES => "@exe_files" },
372 close $fh or die "Can't close Makefile.PL: $!";
373 # As described in commit 23525070d6c0e51f:
374 # Push the atime and mtime of generated Makefile.PLs back 4
375 # seconds. In certain circumstances ( on virtual machines ) the
376 # generated Makefile.PL can produce a Makefile that is older than
377 # the Makefile.PL. Altering the atime and mtime backwards by 4
378 # seconds seems to resolve the issue.
380 my $ftime = time - 4;
381 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 $makefile) {
448 print "Warning: No Makefile!\n";
452 _quote_args($pass_through);
454 "/DESCRIPTION=$makefile",
455 '/MACRO=(' . join(',',@$pass_through) . ')'
459 if (!$target or $target !~ /clean$/) {
460 # Give makefile an opportunity to rewrite itself.
461 # reassure users that life goes on...
462 my @args = ('config', @$pass_through);
463 system(@run, @make, @args) and print "@run @make @args failed, continuing anyway...\n";
465 my @targ = ($target, @$pass_through);
466 print "Making $target in $ext_dir\n@run @make @targ\n";
467 my $code = system(@run, @make, @targ);
468 die "Unsuccessful make($ext_dir): code=$code" if $code != 0;
470 chdir $return_dir || die "Cannot cd to $return_dir: $!";
474 my $args = shift; # must be array reference
476 # Do not quote qualifiers that begin with '/'.
478 $_ =~ s/\"/""/g; # escape C<"> by doubling