X-Git-Url: https://perl5.git.perl.org/perl5.git/blobdiff_plain/73402eba5d70043b96ba0e48baa0b161e86c8605..f5122dbf0e65ac96618bf95b58dbfac3cfb31c75:/make_ext.pl diff --git a/make_ext.pl b/make_ext.pl index 507f047..56a5188 100644 --- a/make_ext.pl +++ b/make_ext.pl @@ -2,8 +2,46 @@ use strict; use warnings; use Config; +BEGIN { + if ($^O eq 'MSWin32') { + unshift @INC, ('../dist/Cwd', '../dist/Cwd/lib'); + require File::Spec::Functions; + require FindExt; + } + else { + unshift @INC, 'dist/Cwd'; + } +} use Cwd; +my $is_Win32 = $^O eq 'MSWin32'; +my $is_VMS = $^O eq 'VMS'; +my $is_Unix = !$is_Win32 && !$is_VMS; + +# To clarify, this isn't the entire suite of modules considered "toolchain" +# It's not even all modules needed to build ext/ +# It's just the source paths of the (minimum complete set of) modules in ext/ +# needed to build the nonxs modules +# After which, all nonxs modules are in lib, which was always sufficient to +# allow miniperl to build everything else. + +# This list cannot get any longer without overflowing the length limit for +# environment variables on VMS +my @toolchain = qw(cpan/AutoLoader/lib + dist/Cwd dist/Cwd/lib + dist/ExtUtils-Command/lib + dist/ExtUtils-Install/lib + cpan/ExtUtils-MakeMaker/lib + dist/ExtUtils-Manifest/lib + cpan/File-Path/lib + ); + +# Used only in ExtUtils::Liblist::Kid::_win32_ext() +push @toolchain, 'cpan/Text-ParseWords/lib' if $is_Win32; + +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 @@ -16,7 +54,9 @@ use Cwd; # # 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 specificied, 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 +81,6 @@ 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 $is_Win32; - my (%excl, %incl, %opts, @extspec, @pass_through); foreach (@ARGV) { @@ -57,7 +91,7 @@ foreach (@ARGV) { } elsif (/^--([\w\-]+)$/) { $opts{$1} = 1; } elsif (/^--([\w\-]+)=(.*)$/) { - $opts{$1} = $2; + push @{$opts{$1}}, $2; } elsif (/=/) { push @pass_through, $_; } elsif (length) { @@ -67,6 +101,8 @@ foreach (@ARGV) { my $static = $opts{static} || $opts{all}; my $dynamic = $opts{dynamic} || $opts{all}; +my $nonxs = $opts{nonxs} || $opts{all}; +my $dynaloader = $opts{dynaloader} || $opts{all}; # The Perl Makefile.SH will expand all extensions to # lib/auto/X/X.a (or lib/auto/X/Y/Y.a if nested) @@ -79,7 +115,7 @@ foreach (@extspec) { if (s{^lib/auto/}{}) { # Remove lib/auto prefix and /*.* suffix s{/[^/]+\.[^/]+$}{}; - } 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 @@ -95,8 +131,8 @@ 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, $make was taken from config.sh. However, the user might @@ -126,7 +162,7 @@ if ($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 "$0: no extension specified\n"; } @@ -144,60 +180,99 @@ if ($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}); + my $build = getcwd(); + print "In $build"; + foreach my $dir (@dirs) { + chdir($dir) or die "Cannot cd to $dir: $!\n"; + (my $ext = getcwd()) =~ s{/}{\\}g; + FindExt::scan_ext($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 $dynaloader; +} + +{ + # Cwd needs to be built before Encode recurses into subdirectories. + # This seems to be the simplest way to ensure this ordering: + my (@first, @other); + foreach (@extspec) { + if ($_ eq 'Cwd') { + 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 $ext_pathname; - if (-d "ext/$spec") { - # Old style ext/Data/Dumper/ - $ext_pathname = "ext/$spec"; - } else { - # New style ext/Data-Dumper/ - my $copy = $spec; - $copy =~ tr!/!-!; - $ext_pathname = "ext/$copy"; + + # 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"; @@ -209,18 +284,28 @@ foreach my $spec (@extspec) { sub build_extension { my ($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{PERL5LIB} = $lib_dir; - - unless (chdir "$ext_dir") { - warn "Cannot cd to $ext_dir: $!"; - return; + # $lib_dir must be last, as we're copying files into it, and in a parallel + # make there's a race condition if one process tries to open a module that + # another process has half-written. + my @new_inc = ((map {"$up/$_"} @toolchain), $lib_dir); + if ($is_Win32) { + @new_inc = map {File::Spec::Functions::rel2abs($_)} @new_inc; } + $ENV{PERL5LIB} = join $Config{path_sep}, @new_inc; + $ENV{PERL_CORE} = 1; + # warn $ENV{PERL5LIB}; + my $makefile; if ($is_VMS) { $makefile = 'descrip.mms'; @@ -236,39 +321,87 @@ sub build_extension { if (!-f $makefile) { if (!-f 'Makefile.PL') { print "\nCreating Makefile.PL in $ext_dir for $mname\n"; - # 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"); - my $fromname; - foreach (@locations) { - if (-f $_) { - $fromname = $_; - last; + my ($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 $ext_dir but can't find source"; + unless ($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: $!"; - print $fh <<"EOM"; + printf $fh <<'EOM', $0, $mname, $fromname, $key, $value; #-*- buffer-read-only: t -*- -# This Makefile.PL was written by $0. +# 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 extrators 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} = $_; +} +my @exe_files = values %%pod_scripts; + WriteMakefile( - NAME => '$mname', - VERSION_FROM => '$fromname', - ABSTRACT_FROM => '$fromname', - realclean => {FILES => 'Makefile.PL'}, + 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: