my %Extensions = map {($_,$_)}
qw(dynamic_ext static_ext extensions known_extensions);
+# The plan is that this information is used by ExtUtils::MakeMaker to generate
+# Makefile dependencies, rather than hardcoding a list, which has become out
+# of date. However, currently, MM_Unix.pm and MM_VMS.pm have *different* lists,
+# *and* descrip_mms.template doesn't actually install all the headers.
+# The "Unix" list seems to (attempt to) avoid the generated headers, which I'm
+# not sure is the right thing to do. Also, not certain whether it would be
+# easier to parse MANIFEST to get these (adding config.h, and potentially
+# removing others), but for now, stick to a hard coded list.
+
+# Could use a map to add ".h", but I suspect that it's easier to use literals,
+# so that anyone using grep will find them
+# This is the list from MM_VMS, plus pad.h, parser.h, perlsfio.h utf8.h
+# which it installs. It *doesn't* install perliol.h - FIXME.
+my @header_files = qw(EXTERN.h INTERN.h XSUB.h av.h config.h cop.h cv.h
+ embed.h embedvar.h form.h gv.h handy.h hv.h hv_func.h intrpvar.h
+ iperlsys.h keywords.h mg.h nostdio.h op.h opcode.h
+ pad.h parser.h patchlevel.h perl.h perlio.h perlsdio.h
+ perlsfio.h perlvars.h perly.h pp.h pp_proto.h proto.h
+ regcomp.h regexp.h regnodes.h scope.h sv.h thread.h utf8.h
+ util.h);
+
+push @header_files,
+ $^O eq 'VMS' ? 'vmsish.h' : qw(dosish.h perliol.h time64.h unixish.h);
+
+my $header_files = ' return qw(' . join(' ', sort @header_files) . ');';
+$header_files =~ s/(?=.{64}) # If line is still overlength
+ (.{1,64})\ # Split at the last convenient space
+ /$1\n /gx;
+
# allowed opts as well as specifies default and initial values
my %Allowed_Opts = (
'cross' => '', # --cross=PLATFORM - crosscompiling for PLATFORM
my $config_txt;
my $heavy_txt;
-$heavy_txt .= <<'ENDOFBEG';
+my $from = $^O eq 'VMS' ? 'PERLSHR image' : 'binary (from libperl)';
+my $env_cygwin = $^O eq 'cygwin'
+ ? 'push @env, "CYGWIN=\"$ENV{CYGWIN}\"" if $ENV{CYGWIN};' . "\n" : "";
+$heavy_txt .= sprintf <<'ENDOFBEG', $^O, $^O, $from, $^O, $env_cygwin;
# This file was created by configpm when Perl was built. Any changes
# made to this file will be lost the next time perl is built.
package Config;
use strict;
-# use warnings; Pulls in Carp
-# use vars pulls in Carp
+use warnings;
+use vars '%%Config';
+
+sub bincompat_options {
+ return split ' ', (Internals::V())[0];
+}
+
+sub non_bincompat_options {
+ return split ' ', (Internals::V())[1];
+}
+
+sub compile_date {
+ return (Internals::V())[2]
+}
+
+sub local_patches {
+ my (undef, undef, undef, @patches) = Internals::V();
+ return @patches;
+}
sub _V {
+ die "Perl lib was built for '%s' but is being run on '$^O'"
+ unless "%s" eq $^O;
+
my ($bincompat, $non_bincompat, $date, @patches) = Internals::V();
my $opts = join ' ', sort split ' ', "$bincompat $non_bincompat";
$opts =~ s/(?=.{53})(.{1,53}) /$1\n /mg;
print Config::myconfig();
- if ($^O eq 'VMS') {
- print "\nCharacteristics of this PERLSHR image: \n";
- } else {
- print "\nCharacteristics of this binary (from libperl): \n";
- }
+ print "\nCharacteristics of this %s: \n";
print " Compile-time options: $opts\n";
print "\t$_\n" foreach @patches;
}
- print " Built under $^O\n";
+ print " Built under %s\n";
print " $date\n" if defined $date;
- my @env = map { "$_=\"$ENV{$_}\"" } sort grep {/^PERL/} keys %ENV;
- push @env, "CYGWIN=\"$ENV{CYGWIN}\"" if $^O eq 'cygwin';
-
+ my @env = map { "$_=\"$ENV{$_}\"" } sort grep {/^PERL/} keys %%ENV;
+%s
if (@env) {
- print " \%ENV:\n";
+ print " \%%ENV:\n";
print " $_\n" foreach @env;
}
print " \@INC:\n";
print " $_\n" foreach @INC;
}
+sub header_files {
ENDOFBEG
+$heavy_txt .= $header_files . "\n}\n\n";
+
my $export_funcs = <<'EOT';
-my %Export_Cache = (myconfig => 1,
- config_sh => 1, config_vars => 1, config_re => 1);
+my %Export_Cache = (myconfig => 1, config_sh => 1, config_vars => 1,
+ config_re => 1, compile_date => 1, local_patches => 1,
+ bincompat_options => 1, non_bincompat_options => 1,
+ header_files => 1);
EOT
my %export_ok = eval $export_funcs or die;
-$config_txt .= sprintf << 'EOT', $export_funcs;
+$config_txt .= sprintf << 'EOT', $], $export_funcs;
# This file was created by configpm when Perl was built. Any changes
# made to this file will be lost the next time perl is built.
package Config;
use strict;
-# use warnings; Pulls in Carp
-# use vars pulls in Carp
+use warnings;
+use vars '%%Config', '$VERSION';
+
+$VERSION = "%s";
# Skip @Config::EXPORT because it only contains %%Config, which we special
# case below as it's not a function. @Config::EXPORT won't change in the
my $myver = sprintf "%vd", $^V;
$config_txt .= sprintf <<'ENDOFBEG', ($myver) x 3;
-our %%Config;
# Define our own import method to avoid pulling in the full Exporter:
sub import {
return;
}
-die "Perl lib version (%s) doesn't match executable '$0' version ($])"
+die "$0: Perl lib version (%s) doesn't match executable '$^X' version ($])"
unless $^V;
$^V eq %s
- or die "Perl lib version (%s) doesn't match executable '$0' version (" .
- sprintf("v%%vd",$^V) . ")";
+ or die sprintf "%%s: Perl lib version (%s) doesn't match executable '$^X' version (%%vd)", $0, $^V;
ENDOFBEG
my @v_others = ();
my $in_v = 0;
my %Data = ();
+my $quote;
my %seen_quotes;
push(@non_v, "#$_"); # not a name='value' line
next;
}
- my $quote = $2;
if ($in_v) {
$val .= $_;
}
else {
+ $quote = $2;
($name,$val) = ($1,$3);
}
$in_v = $val !~ /$quote\n/;
EOT
} else {
- # We only have ' delimted.
+ # We only have ' delimited.
$fetch_string .= <<'EOT';
return undef unless $Config_SH_expanded =~ /\n$key=\'(.*?)\'\n/s;
my $byteorder_code;
if ($s == 4 || $s == 8) {
- my $list = join ',', reverse(2..$s);
+ my $list = join ',', reverse(1..$s-1);
my $format = 'a'x$s;
$byteorder_code = <<"EOT";
-my \$i = 0;
-foreach my \$c ($list) { \$i |= ord(\$c); \$i <<= 8 }
-\$i |= ord(1);
+my \$i = ord($s);
+foreach my \$c ($list) { \$i <<= 8; \$i |= ord(\$c); }
our \$byteorder = join('', unpack('$format', pack('$f', \$i)));
EOT
} else {
my($self, $key) = @_;
# check for cached value (which may be undef so we use exists not defined)
- return $self->{$key} if exists $self->{$key};
-
- return $self->fetch_string($key);
+ return exists $self->{$key} ? $self->{$key} : $self->fetch_string($key);
}
+
ENDOFEND
$heavy_txt .= <<'ENDOFEND';
}
sub STORE { die "\%Config::Config is read-only\n" }
-*DELETE = \&STORE;
-*CLEAR = \&STORE;
-
+*DELETE = *CLEAR = \*STORE; # Typeglob aliasing uses less space
sub config_sh {
substr $Config_SH_expanded, 1, $config_sh_len;
}
my $fast_config = join '', map { " $_,\n" } sort values %Common;
-# Sanity check needed to stop an infite loop if Config_heavy.pl fails to define
-# &launcher for some reason (eg it got truncated)
+# Sanity check needed to stop an infinite loop if Config_heavy.pl fails to
+# define &launcher for some reason (eg it got truncated)
$config_txt .= sprintf <<'ENDOFTIE', $fast_config;
sub DESTROY { }
=item myconfig()
Returns a textual summary of the major perl configuration values.
-See also C<-V> in L<perlrun/Switches>.
+See also C<-V> in L<perlrun/Command Switches>.
=item config_sh()
name='value';
Names which are unknown are output as C<name='UNKNOWN';>.
-See also C<-V:name> in L<perlrun/Switches>.
+See also C<-V:name> in L<perlrun/Command Switches>.
+
+=item bincompat_options()
+
+Returns a list of C pre-processor options used when compiling this F<perl>
+binary, which affect its binary compatibility with extensions.
+C<bincompat_options()> and C<non_bincompat_options()> are shown together in
+the output of C<perl -V> as I<Compile-time options>.
+
+=item non_bincompat_options()
+
+Returns a list of C pre-processor options used when compiling this F<perl>
+binary, which do not affect binary compatibility with extensions.
+
+=item compile_date()
+
+Returns the compile date (as a string), equivalent to what is shown by
+C<perl -V>
+
+=item local_patches()
+
+Returns a list of the names of locally applied patches, equivalent to what
+is shown by C<perl -V>.
+
+=item header_files()
+
+Returns a list of the header files that should be used as dependencies for
+XS code, for this version of Perl on this platform.
=back
s{([\'\"])([^\'\"\s]+)\1}(C<$2>)g; # "date" command
s{\'([A-Za-z_\- *=/]+)\'}(C<$1>)g; # 'ln -s'
s{
- (?<! [\w./<\'\"] ) # Only standalone file names
+ (?<! [\w./<\'\"\$] ) # Only standalone file names
(?! e \. g \. ) # Not e.g.
(?! \. \. \. ) # Not ...
(?! \d ) # Not 5.004
# 'configpm; was invoked with --cross option
$platform = '***replace-marker***';
}
+ #a Perl debugger can load a bunch of modules before -MCross with PERL5DB env
+ #var, stopping a cross compile Config.pm from being loaded because the native
+ #Config.pm was already use'd
+ if(exists $INC{'Config.pm'}) {
+ warn "Cross.pm found Config.pm is already loaded, reload required, will delete from %INC";
+ delete $INC{'Config.pm'};
+ }
@INC = map {/\blib\b/?(do{local $_=$_;s/\blib\b/xlib\/$platform/;$_},$_):($_)} @INC;
$::Cross::platform = $platform;
}
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