X-Git-Url: https://perl5.git.perl.org/perl5.git/blobdiff_plain/7ad017a8809c03aa288ac99952c8d4599b17f858..d903973c0527ee5c9f9f559e3e0e3f1aac2ab1cc:/make_ext.pl diff --git a/make_ext.pl b/make_ext.pl index 2875422..3254628 100644 --- a/make_ext.pl +++ b/make_ext.pl @@ -2,21 +2,29 @@ use strict; use warnings; use Config; -use Cwd; + +my $is_Win32 = $^O eq 'MSWin32'; +my $is_VMS = $^O eq 'VMS'; +my $is_Unix = !$is_Win32 && !$is_VMS; + +my @ext_dirs = qw(cpan dist ext); +my $ext_dirs_re = '(?:' . join('|', @ext_dirs) . ')'; # This script acts as a simple interface for building extensions. # It's actually a cut and shut of the Unix version ext/utils/makeext and the # Windows version win32/build_ext.pl hence the two invocation styles. -# On Unix, it primarily used by the perl Makefile one extention at a time: +# On Unix, it primarily used by the perl Makefile one extension at a time: # # d_dummy $(dynamic_ext): miniperl preplibrary FORCE # @$(RUN) ./miniperl make_ext.pl --target=dynamic $@ MAKE=$(MAKE) LIBPERL_A=$(LIBPERL) # -# On Windows, +# On Windows or VMS, # If '--static' is specified, static extensions will be built. -# If '--dynamic' is specified, dynamic (and nonxs) extensions will be built. +# If '--dynamic' is specified, dynamic extensions will be built. +# If '--nonxs' is specified, nonxs extensions will be built. +# If '--dynaloader' is specified, DynaLoader will be built. # If '--all' is specified, all extensions will be built. # # make_ext.pl "MAKE=make [-make_opts]" --dir=directory [--target=target] [--static|--dynamic|--all] +ext2 !ext1 @@ -41,12 +49,6 @@ use Cwd; # It may be deleted in a later release of perl so try to # avoid using it for other purposes. -my $is_Win32 = $^O eq 'MSWin32'; -my $is_VMS = $^O eq 'VMS'; -my $is_Unix = !$is_Win32 && !$is_VMS; - -require FindExt if $is_Win32; - my (%excl, %incl, %opts, @extspec, @pass_through); foreach (@ARGV) { @@ -57,7 +59,7 @@ foreach (@ARGV) { } elsif (/^--([\w\-]+)$/) { $opts{$1} = 1; } elsif (/^--([\w\-]+)=(.*)$/) { - $opts{$1} = $2; + push @{$opts{$1}}, $2; } elsif (/=/) { push @pass_through, $_; } elsif (length) { @@ -67,6 +69,8 @@ foreach (@ARGV) { my $static = $opts{static} || $opts{all}; my $dynamic = $opts{dynamic} || $opts{all}; +my $nonxs = $opts{nonxs} || $opts{all}; +my $dynaloader = $opts{dynaloader} || $opts{all}; # The Perl Makefile.SH will expand all extensions to # lib/auto/X/X.a (or lib/auto/X/Y/Y.a if nested) @@ -79,9 +83,12 @@ foreach (@extspec) { if (s{^lib/auto/}{}) { # Remove lib/auto prefix and /*.* suffix s{/[^/]+\.[^/]+$}{}; - } elsif (s{^ext/}{}) { + } elsif (s{^$ext_dirs_re/}{}) { # Remove ext/ prefix and /pm_to_blib suffix s{/pm_to_blib$}{}; + # Targets are given as files on disk, but the extension spec is still + # written using /s for each :: + tr!-!/!; } elsif (s{::}{\/}g) { # Convert :: to / } else { @@ -92,8 +99,8 @@ foreach (@extspec) { my $makecmd = shift @pass_through; # Should be something like MAKE=make unshift @pass_through, 'PERL_CORE=1'; -my $dir = $opts{dir} || 'ext'; -my $target = $opts{target}; +my @dirs = @{$opts{dir} || \@ext_dirs}; +my $target = $opts{target}[0]; $target = 'all' unless defined $target; # Previously, $make was taken from config.sh. However, the user might @@ -123,7 +130,7 @@ if ($target eq '') { die "$0: unknown make target '$target'\n"; } -if (!@extspec and !$static and !$dynamic) { +if (!@extspec and !$static and !$dynamic and !$nonxs and !$dynaloader) { die "$0: no extension specified\n"; } @@ -131,9 +138,13 @@ my $perl; my %extra_passthrough; if ($is_Win32) { - (my $here = getcwd()) =~ s{/}{\\}g; + require Cwd; + require FindExt; + my $build = Cwd::getcwd(); $perl = $^X; if ($perl =~ m#^\.\.#) { + my $here = $build; + $here =~ s{/}{\\}g; $perl = "$here\\$perl"; } (my $topdir = $perl) =~ s/\\[^\\]+$//; @@ -141,65 +152,257 @@ if ($is_Win32) { $ENV{PATH} = "$topdir;$topdir\\win32\\bin;$ENV{PATH}"; my $pl2bat = "$topdir\\win32\\bin\\pl2bat"; unless (-f "$pl2bat.bat") { - my @args = ($perl, ("$pl2bat.pl") x 2); + my @args = ($perl, "-I$topdir\\lib", ("$pl2bat.pl") x 2); print "@args\n"; system(@args) unless defined $::Cross::platform; } - print "In ", getcwd(); - chdir($dir) || die "Cannot cd to $dir\n"; - (my $ext = getcwd()) =~ s{/}{\\}g; - FindExt::scan_ext($ext); - FindExt::set_static_extensions(split ' ', $Config{static_ext}); + print "In $build"; + foreach my $dir (@dirs) { + chdir($dir) or die "Cannot cd to $dir: $!\n"; + (my $ext = Cwd::getcwd()) =~ s{/}{\\}g; + FindExt::scan_ext($ext); + FindExt::set_static_extensions(split ' ', $Config{static_ext}); + chdir $build + or die "Couldn't chdir to '$build': $!"; # restore our start directory + } my @ext; push @ext, FindExt::static_ext() if $static; - push @ext, FindExt::dynamic_ext(), FindExt::nonxs_ext() if $dynamic; + push @ext, FindExt::dynamic_ext() if $dynamic; + push @ext, FindExt::nonxs_ext() if $nonxs; + push @ext, 'DynaLoader' if $dynaloader; foreach (sort @ext) { if (%incl and !exists $incl{$_}) { - #warn "Skipping extension $ext\\$_, not in inclusion list\n"; + #warn "Skipping extension $_, not in inclusion list\n"; next; } if (exists $excl{$_}) { - warn "Skipping extension $ext\\$_, not ported to current platform"; + warn "Skipping extension $_, not ported to current platform"; next; } push @extspec, $_; - if(FindExt::is_static($_)) { + if($_ eq 'DynaLoader' and $target !~ /clean$/) { + # No, we don't know why nmake can't work out the dependency chain + push @{$extra_passthrough{$_}}, 'DynaLoader.c'; + } elsif(FindExt::is_static($_)) { push @{$extra_passthrough{$_}}, 'LINKTYPE=static'; } } - chdir '..'; # now in the Perl build directory + + chdir '..' + or die "Couldn't chdir to build directory: $!"; # now in the Perl build +} +elsif ($is_VMS) { + $perl = $^X; + push @extspec, (split ' ', $Config{static_ext}) if $static; + push @extspec, (split ' ', $Config{dynamic_ext}) if $dynamic; + push @extspec, (split ' ', $Config{nonxs_ext}) if $nonxs; + push @extspec, 'DynaLoader' if $dynaloader; +} + +{ + # Cwd needs to be built before Encode recurses into subdirectories. + # Pod::Simple needs to be built before Pod::Functions + # This seems to be the simplest way to ensure this ordering: + my (@first, @other); + foreach (@extspec) { + if ($_ eq 'Cwd' || $_ eq 'Pod/Simple') { + push @first, $_; + } else { + push @other, $_; + } + } + @extspec = (@first, @other); +} + +if ($Config{osname} eq 'catamount' and @extspec) { + # Snowball's chance of building extensions. + die "This is $Config{osname}, not building $extspec[0], sorry.\n"; } foreach my $spec (@extspec) { my $mname = $spec; $mname =~ s!/!::!g; - my $ext_pathname = "ext/$spec"; - my $up = $ext_pathname; - $up =~ s![^/]+!..!g; + my $ext_pathname; + + # Try new style ext/Data-Dumper/ first + my $copy = $spec; + $copy =~ tr!/!-!; + foreach my $dir (@ext_dirs) { + if (-d "$dir/$copy") { + $ext_pathname = "$dir/$copy"; + last; + } + } - if ($Config{osname} eq 'catamount') { - # Snowball's chance of building extensions. - die "This is $Config{osname}, not building $mname, sorry.\n"; + if (!defined $ext_pathname) { + if (-d "ext/$spec") { + # Old style ext/Data/Dumper/ + $ext_pathname = "ext/$spec"; + } else { + warn "Can't find extension $spec in any of @ext_dirs"; + next; + } } print "\tMaking $mname ($target)\n"; - build_extension('ext', $ext_pathname, $up, $perl || "$up/miniperl", - "$up/lib", + build_extension($ext_pathname, $perl, $mname, [@pass_through, @{$extra_passthrough{$spec} || []}]); } sub build_extension { - my ($ext, $ext_dir, $return_dir, $perl, $lib_dir, $pass_through) = @_; + my ($ext_dir, $perl, $mname, $pass_through) = @_; + unless (chdir "$ext_dir") { warn "Cannot cd to $ext_dir: $!"; return; } + + my $up = $ext_dir; + $up =~ s![^/]+!..!g; + + $perl ||= "$up/miniperl"; + my $return_dir = $up; + my $lib_dir = "$up/lib"; + $ENV{PERL_CORE} = 1; + + my $makefile; + if ($is_VMS) { + $makefile = 'descrip.mms'; + if ($target =~ /clean$/ + && !-f $makefile + && -f "${makefile}_old") { + $makefile = "${makefile}_old"; + } + } else { + $makefile = 'Makefile'; + } - if (!-f 'Makefile') { + if (-f $makefile) { + open my $mfh, $makefile or die "Cannot open $makefile: $!"; + while (<$mfh>) { + # Plagiarised from CPAN::Distribution + last if /MakeMaker post_initialize section/; + next unless /^#\s+VERSION_FROM\s+=>\s+(.+)/; + my $vmod = eval $1; + my $oldv; + while (<$mfh>) { + next unless /^XS_VERSION = (\S+)/; + $oldv = $1; + last; + } + last unless defined $oldv; + require ExtUtils::MM_Unix; + defined (my $newv = parse_version MM $vmod) or last; + if ($newv ne $oldv) { + 1 while unlink $makefile + } + } + } + + if (!-f $makefile) { + if (!-f 'Makefile.PL') { + print "\nCreating Makefile.PL in $ext_dir for $mname\n"; + my ($fromname, $key, $value); + if ($mname eq 'podlators') { + # We need to special case this somewhere, and this is fewer + # lines of code than a core-only Makefile.PL, and no more + # complex + $fromname = 'VERSION'; + $key = 'DISTNAME'; + $value = 'podlators'; + $mname = 'Pod'; + } else { + $key = 'ABSTRACT_FROM'; + # We need to cope well with various possible layouts + my @dirs = split /::/, $mname; + my $leaf = pop @dirs; + my $leafname = "$leaf.pm"; + my $pathname = join '/', @dirs, $leafname; + my @locations = ($leafname, $pathname, "lib/$pathname"); + foreach (@locations) { + if (-f $_) { + $fromname = $_; + last; + } + } + + unless ($fromname) { + die "For $mname tried @locations in in $ext_dir but can't find source"; + } + ($value = $fromname) =~ s/\.pm\z/.pod/; + $value = $fromname unless -e $value; + } + open my $fh, '>', 'Makefile.PL' + or die "Can't open Makefile.PL for writing: $!"; + printf $fh <<'EOM', $0, $mname, $fromname, $key, $value; +#-*- buffer-read-only: t -*- + +# This Makefile.PL was written by %s. +# It will be deleted automatically by make realclean + +use strict; +use ExtUtils::MakeMaker; + +# This is what the .PL extracts to. Not the ultimate file that is installed. +# (ie Win32 runs pl2bat after this) + +# Doing this here avoids all sort of quoting issues that would come from +# attempting to write out perl source with literals to generate the arrays and +# hash. +my @temps = 'Makefile.PL'; +foreach (glob('scripts/pod*.PL')) { + # The various pod*.PL extractors change directory. Doing that with relative + # paths in @INC breaks. It seems the lesser of two evils to copy (to avoid) + # the chdir doing anything, than to attempt to convert lib paths to + # absolute, and potentially run into problems with quoting special + # characters in the path to our build dir (such as spaces) + require File::Copy; + + my $temp = $_; + $temp =~ s!scripts/!!; + File::Copy::copy($_, $temp) or die "Can't copy $temp to $_: $!"; + push @temps, $temp; +} + +my $script_ext = $^O eq 'VMS' ? '.com' : ''; +my %%pod_scripts; +foreach (glob('pod*.PL')) { + my $script = $_; + s/.PL$/$script_ext/i; + $pod_scripts{$script} = $_; +} +my @exe_files = values %%pod_scripts; + +WriteMakefile( + NAME => '%s', + VERSION_FROM => '%s', + %-13s => '%s', + realclean => { FILES => "@temps" }, + (%%pod_scripts ? ( + PL_FILES => \%%pod_scripts, + EXE_FILES => \@exe_files, + clean => { FILES => "@exe_files" }, + ) : ()), +); + +# ex: set ro: +EOM + close $fh or die "Can't close Makefile.PL: $!"; + # As described in commit 23525070d6c0e51f: + # Push the atime and mtime of generated Makefile.PLs back 4 + # seconds. In certain circumstances ( on virtual machines ) the + # generated Makefile.PL can produce a Makefile that is older than + # the Makefile.PL. Altering the atime and mtime backwards by 4 + # seconds seems to resolve the issue. + eval { + my $ftime = time - 4; + utime $ftime, $ftime, 'Makefile.PL'; + }; + } print "\nRunning Makefile.PL in $ext_dir\n"; # Presumably this can be simplified @@ -211,12 +414,19 @@ sub build_extension { # Inherited from make_ext.pl @cross = '-MCross'; } - - my @perl = (@run, $perl, "-I$lib_dir", @cross, 'Makefile.PL', - 'INSTALLDIRS=perl', 'INSTALLMAN3DIR=none', - @$pass_through); - print join(' ', @perl), "\n"; - my $code = system @perl; + + my @args = ("-I$lib_dir", @cross, 'Makefile.PL'); + if ($is_VMS) { + my $libd = VMS::Filespec::vmspath($lib_dir); + push @args, "INST_LIB=$libd", "INST_ARCHLIB=$libd"; + } else { + push @args, 'INSTALLDIRS=perl', 'INSTALLMAN1DIR=none', + 'INSTALLMAN3DIR=none'; + } + push @args, @$pass_through; + _quote_args(\@args) if $is_VMS; + print join(' ', @run, $perl, @args), "\n"; + my $code = system @run, $perl, @args; warn "$code from $ext_dir\'s Makefile.PL" if $code; # Right. The reason for this little hack is that we're sitting inside @@ -256,20 +466,40 @@ EOS } } - if (not -f 'Makefile') { + if (not -f $makefile) { print "Warning: No Makefile!\n"; } + if ($is_VMS) { + _quote_args($pass_through); + @$pass_through = ( + "/DESCRIPTION=$makefile", + '/MACRO=(' . join(',',@$pass_through) . ')' + ); + } + if (!$target or $target !~ /clean$/) { # Give makefile an opportunity to rewrite itself. # reassure users that life goes on... - my @config = (@run, @make, 'config', @$pass_through); - system @config and print "@config failed, continuing anyway...\n"; + my @args = ('config', @$pass_through); + system(@run, @make, @args) and print "@run @make @args failed, continuing anyway...\n"; } - my @targ = (@run, @make, $target, @$pass_through); - print "Making $target in $ext_dir\n@targ\n"; - my $code = system @targ; + my @targ = ($target, @$pass_through); + print "Making $target in $ext_dir\n@run @make @targ\n"; + my $code = system(@run, @make, @targ); die "Unsuccessful make($ext_dir): code=$code" if $code != 0; chdir $return_dir || die "Cannot cd to $return_dir: $!"; } + +sub _quote_args { + my $args = shift; # must be array reference + + # Do not quote qualifiers that begin with '/'. + map { if (!/^\//) { + $_ =~ s/\"/""/g; # escape C<"> by doubling + $_ = q(").$_.q("); + } + } @{$args} + ; +}