Omit all autoload facilities. This is the same as B<-c> but also
removes the S<C<use AutoLoader>> statement from the .pm file.
+=item B<-B>, B<--beta-version>
+
+Use an alpha/beta style version number. Causes version number to
+be "0.00_01" unless B<-v> is specified.
+
=item B<-C>, B<--omit-changes>
Omits creation of the F<Changes> file, and adds a HISTORY section to
=item B<-F>, B<--cpp-flags>=I<addflags>
Additional flags to specify to C preprocessor when scanning header for
-function declarations. Should not be used without B<-x>.
+function declarations. Writes these options in the generated F<Makefile.PL>
+too.
=item B<-M>, B<--func-mask>=I<regular expression>
- no 'use warnings'
Specifying a compatibility version higher than the version of perl you
-are using to run h2xs will have no effect.
+are using to run h2xs will have no effect. If unspecified h2xs will default
+to compatibility with the version of perl you are using to run h2xs.
=item B<-c>, B<--omit-constant>
Allows an extension to be created for a header even if that header is
not found in standard include directories.
+=item B<-g>, B<--global>
+
+Include code for safely storing static data in the .xs file.
+Extensions that do no make use of static data can ignore this option.
+
=item B<-h>, B<-?>, B<--help>
Print the usage, help and version for this h2xs and exit.
=item B<--use-new-tests>
When B<--compat-version> (B<-b>) is present the generated tests will use
-C<Test::More> rather then C<Test> which is the default for versions before
+C<Test::More> rather than C<Test> which is the default for versions before
5.7.2 . C<Test::More> will be added to PREREQ_PM in the generated
C<Makefile.PL>.
Will force the generation of test code that uses the older C<Test> module.
+=item B<--skip-exporter>
+
+Do not use C<Exporter> and/or export any symbol.
+
+=item B<--skip-ppport>
+
+Do not use C<Devel::PPPort>: no portability to older version.
+
+=item B<--skip-autoloader>
+
+Do not use the module C<AutoLoader>; but keep the constant() function
+and C<sub AUTOLOAD> for constants.
+
+=item B<--skip-strict>
+
+Do not use the pragma C<strict>.
+
+=item B<--skip-warnings>
+
+Do not use the pragma C<warnings>.
+
=item B<-v>, B<--version>=I<version>
Specify a version number for this extension. This version number is added
-to the templates. The default is 0.01.
+to the templates. The default is 0.01, or 0.00_01 if C<-B> is specified.
+The version specified should be numeric.
=item B<-x>, B<--autogen-xsubs>
=cut
+# ' # Grr
use strict;
-my( $H2XS_VERSION ) = ' $Revision: 1.21 $ ' =~ /\$Revision:\s+([^\s]+)/;
+my( $H2XS_VERSION ) = ' $Revision: 1.22 $ ' =~ /\$Revision:\s+([^\s]+)/;
my $TEMPLATE_VERSION = '0.01';
my @ARGS = @ARGV;
my $compat_version = $];
use Text::Wrap;
$Text::Wrap::huge = 'overflow';
$Text::Wrap::columns = 80;
-use ExtUtils::Constant qw (constant_types C_constant XS_constant autoload);
+use ExtUtils::Constant qw (WriteConstants WriteMakefileSnippet autoload);
+use File::Compare;
sub usage {
warn "@_\n" if @_;
version: $H2XS_VERSION
OPTIONS:
-A, --omit-autoload Omit all autoloading facilities (implies -c).
+ -B, --beta-version Use beta \$VERSION of 0.00_01 (ignored if -v).
-C, --omit-changes Omit creating the Changes file, add HISTORY heading
to stub POD.
- -F, --cpp-flags Additional flags for C preprocessor (used with -x).
+ -F, --cpp-flags Additional flags for C preprocessor/compile.
-M, --func-mask Mask to select C functions/macros
(default is select all).
-O, --overwrite-ok Allow overwriting of a pre-existing extension directory.
-d, --debugging Turn on debugging messages.
-f, --force Force creation of the extension even if the C header
does not exist.
+ -g, --global Include code for safely storing static data in the .xs file.
-h, -?, --help Display this help message
-k, --omit-const-func Omit 'const' attribute on function arguments
(used with -x).
-p, --remove-prefix Specify a prefix which should be removed from the
Perl function names.
-s, --const-subs Create subroutines for specified macros.
- -t, --default-type Default type for autoloaded constants
+ -t, --default-type Default type for autoloaded constants (default is IV)
--use-new-tests Use Test::More in backward compatible modules
--use-old-tests Use the module Test rather than Test::More
+ --skip-exporter Do not export symbols
+ --skip-ppport Do not use portability layer
+ --skip-autoloader Do not use the module C<AutoLoader>
+ --skip-strict Do not use the pragma C<strict>
+ --skip-warnings Do not use the pragma C<warnings>
-v, --version Specify a version number for this extension.
-x, --autogen-xsubs Autogenerate XSUBs using C::Scan.
}
my ($opt_A,
+ $opt_B,
$opt_C,
$opt_F,
$opt_M,
$opt_c,
$opt_d,
$opt_f,
+ $opt_g,
$opt_h,
$opt_k,
$opt_m,
$opt_b,
$opt_t,
$new_test,
- $old_test
+ $old_test,
+ $skip_exporter,
+ $skip_ppport,
+ $skip_autoloader,
+ $skip_strict,
+ $skip_warnings,
);
Getopt::Long::Configure('bundling');
my %options = (
'omit-autoload|A' => \$opt_A,
+ 'beta-version|B' => \$opt_B,
'omit-changes|C' => \$opt_C,
'cpp-flags|F=s' => \$opt_F,
'func-mask|M=s' => \$opt_M,
'omit-constant|c' => \$opt_c,
'debugging|d' => \$opt_d,
'force|f' => \$opt_f,
+ 'global|g' => \$opt_g,
'help|h|?' => \$opt_h,
'omit-const-func|k' => \$opt_k,
'gen-tied-var|m' => \$opt_m,
'const-subs|s=s' => \$opt_s,
'default-type|t=s' => \$opt_t,
'version|v=s' => \$opt_v,
- 'autogen-xsubs|x=s' => \$opt_x,
+ 'autogen-xsubs|x' => \$opt_x,
'use-new-tests' => \$new_test,
- 'use-old-tests' => \$old_test
+ 'use-old-tests' => \$old_test,
+ 'skip-exporter' => \$skip_exporter,
+ 'skip-ppport' => \$skip_ppport,
+ 'skip-autoloader' => \$skip_autoloader,
+ 'skip-warnings' => \$skip_warnings,
+ 'skip-strict' => \$skip_strict,
);
GetOptions(%options) || usage;
usage "You must provide the backwards compatibility version in X.Y.Z form. "
. "(i.e. 5.5.0)\n";
my ($maj,$min,$sub) = split(/\./,$opt_b,3);
- $compat_version = sprintf("%d.%03d%02d",$maj,$min,$sub);
-}
+ if ($maj < 5 || ($maj == 5 && $min < 6)) {
+ $compat_version =
+ $sub ? sprintf("%d.%03d%02d",$maj,$min,$sub) :
+ sprintf("%d.%03d", $maj,$min);
+ } else {
+ $compat_version =
+ $sub ? sprintf("%d.%03d%03d",$maj,$min,$sub) :
+ sprintf("%d.%03d", $maj,$min);
+ }
+} else {
+ my ($maj,$min,$sub) = $compat_version =~ /(\d+)\.(\d\d\d)(\d*)/;
+ $sub ||= 0;
+ warn sprintf <<'EOF', $maj,$min,$sub;
+Defaulting to backwards compatibility with perl %d.%d.%d
+If you intend this module to be compatible with earlier perl versions, please
+specify a minimum perl version with the -b option.
+
+EOF
+}
+
+if( $opt_B ){
+ $TEMPLATE_VERSION = '0.00_01';
+}
if( $opt_v ){
$TEMPLATE_VERSION = $opt_v;
+
+ # check if it is numeric
+ my $temp_version = $TEMPLATE_VERSION;
+ my $beta_version = $temp_version =~ s/(\d)_(\d\d)/$1$2/;
+ my $notnum;
+ {
+ local $SIG{__WARN__} = sub { $notnum = 1 };
+ use warnings 'numeric';
+ $temp_version = 0+$temp_version;
+ }
+
+ if ($notnum) {
+ my $module = $opt_n || 'Your::Module';
+ warn <<"EOF";
+You have specified a non-numeric version. Unless you supply an
+appropriate VERSION class method, users may not be able to specify a
+minimum required version with C<use $module versionnum>.
+
+EOF
+ }
+ else {
+ $opt_B = $beta_version;
+ }
}
# -A implies -c.
-$opt_c = 1 if $opt_A;
+$skip_autoloader = $opt_c = 1 if $opt_A;
# -X implies -c and -f
$opt_c = $opt_f = 1 if $opt_X;
+$opt_t ||= 'IV';
+
my %const_xsub = map { $_,1 } split(/,+/, $opt_s) if $opt_s;
my $extralibs = '';
}
}
elsif ($opt_o or $opt_F) {
- warn <<EOD;
-Options -o and -F do not make sense without -x.
+ warn <<EOD if $opt_o;
+Option -o does not make sense without -x.
+EOD
+ warn <<EOD if $opt_F and $opt_X ;
+Option -F does not make sense with -X.
EOD
}
my $module = $opt_n;
if( @path_h ){
- use Config;
use File::Spec;
my @paths;
my $pre_sub_tri_graphs = 1;
}
if ($found) {
$rel_path_h = $path_h;
+ $fullpath{$path_h} = $fullpath;
} else {
(my $epath = $module) =~ s,::,/,g;
$epath = File::Spec->catdir('ext', $epath) if -d 'ext';
s/\?\?</{/g; # | ??<| {|
s/\?\?>/}/g; # | ??>| }|
}
- if (/^[ \t]*#[ \t]*define\s+([\$\w]+)\b(?!\()\s*(?=[^" \t])(.*)/) {
+ if (/^[ \t]*#[ \t]*define\s+([\$\w]+)\b(?!\()\s*(?=[^"\s])(.*)/) {
my $def = $1;
my $rest = $2;
$rest =~ s!/\*.*?(\*/|\n)|//.*!!g; # Remove comments
}
}
-
+# Save current directory so that C::Scan can use it
+my $cwd = File::Spec->rel2abs( File::Spec->curdir );
my ($ext, $nested, @modparts, $modfname, $modpname);
+# As Ilya suggested, use a name that contains - and then it can't clash with
+# the names of any packages. A directory 'fallback' will clash with any
+# new pragmata down the fallback:: tree, but that seems unlikely.
+my $constscfname = 'const-c.inc';
+my $constsxsfname = 'const-xs.inc';
+my $fallbackdirname = 'fallback';
$ext = chdir 'ext' ? 'ext/' : '';
my @vdecls;
if( ! $opt_X ){ # use XS, unless it was disabled
+ unless ($skip_ppport) {
+ require Devel::PPPort;
+ warn "Writing $ext$modpname/ppport.h\n";
+ Devel::PPPort::WriteFile('ppport.h')
+ || die "Can't create $ext$modpname/ppport.h: $!\n";
+ }
open(XS, ">$modfname.xs") || die "Can't create $ext$modpname/$modfname.xs: $!\n";
if ($opt_x) {
- require Config; # Run-time directive
warn "Scanning typemaps...\n";
get_typemap();
my @td;
my @styles = $Config{gccversion} ? qw(C++ C9X GNU) : qw(C++ C9X);
$c = new C::Scan 'filename' => $filename, 'filename_filter' => $filter,
'add_cppflags' => $addflags, 'c_styles' => \@styles;
- $c->set('includeDirs' => ["$Config::Config{archlib}/CORE"]);
+ $c->set('includeDirs' => ["$Config::Config{archlib}/CORE", $cwd]);
push @$fdecls_parsed, @{ $c->get('parsed_fdecls') };
push(@$fdecls, @{$c->get('fdecls')});
}
@fnames_no_prefix = @fnames;
@fnames_no_prefix
- = sort map { ++$prefix{$_} if s/^$opt_p(?!\d)//; $_ } @fnames_no_prefix;
+ = sort map { ++$prefix{$_} if s/^$opt_p(?!\d)//; $_ } @fnames_no_prefix
+ if defined $opt_p;
# Remove macros which expand to typedefs
print "Typedefs are @td.\n" if $opt_d;
my %td = map {($_, $_)} @td;
$" = "\n\t";
warn "Writing $ext$modpname/$modfname.pm\n";
-if ( $compat_version < 5.006 ) {
print PM <<"END";
package $module;
use $compat_version;
-use strict;
END
-}
-else {
-print PM <<"END";
-package $module;
-use 5.006;
+print PM <<"END" unless $skip_strict;
use strict;
-use warnings;
END
-}
+
+print PM "use warnings;\n" unless $skip_warnings or $compat_version < 5.006;
unless( $opt_X || $opt_c || $opt_A ){
# we'll have an AUTOLOAD(), and it will have $AUTOLOAD and
END
}
-print PM <<'END';
+print PM <<'END' unless $skip_exporter;
require Exporter;
END
-print PM <<"END" if ! $opt_X; # use DynaLoader, unless XS was disabled
+my $use_Dyna = (not $opt_X and $compat_version < 5.006);
+print PM <<"END" if $use_Dyna; # use DynaLoader, unless XS was disabled
require DynaLoader;
END
# Are we using AutoLoader or not?
-unless ($opt_A) { # no autoloader whatsoever.
+unless ($skip_autoloader) { # no autoloader whatsoever.
unless ($opt_c) { # we're doing the AUTOLOAD
print PM "use AutoLoader;\n";
}
}
if ( $compat_version < 5.006 ) {
- if ( $opt_X || $opt_c || $opt_A ) {
- print PM 'use vars qw($VERSION @ISA @EXPORT @EXPORT_OK %EXPORT_TAGS);';
- } else {
- print PM 'use vars qw($VERSION @ISA @EXPORT @EXPORT_OK %EXPORT_TAGS $AUTOLOAD);';
- }
+ my $vars = '$VERSION @ISA';
+ $vars .= ' @EXPORT @EXPORT_OK %EXPORT_TAGS' unless $skip_exporter;
+ $vars .= ' $AUTOLOAD' unless $opt_X || $opt_c || $opt_A;
+ $vars .= ' $XS_VERSION' if $opt_B && !$opt_X;
+ print PM "use vars qw($vars);";
}
# Determine @ISA.
-my $myISA = 'our @ISA = qw(Exporter'; # We seem to always want this.
-$myISA .= ' DynaLoader' unless $opt_X; # no XS
-$myISA .= ');';
+my @modISA;
+push @modISA, 'Exporter' unless $skip_exporter;
+push @modISA, 'DynaLoader' if $use_Dyna; # no XS
+my $myISA = "our \@ISA = qw(@modISA);";
$myISA =~ s/^our // if $compat_version < 5.006;
print PM "\n$myISA\n\n";
my @exported_names = (@const_names, @fnames_no_prefix, map '$'.$_, @vdecls);
-my $tmp=<<"END";
+my $tmp='';
+$tmp .= <<"END" unless $skip_exporter;
# Items to export into callers namespace by default. Note: do not export
# names by default without a very good reason. Use EXPORT_OK instead.
# Do not simply export all your public functions/methods/constants.
our \@EXPORT = qw(
@const_names
);
-our \$VERSION = '$TEMPLATE_VERSION';
END
+$tmp .= "our \$VERSION = '$TEMPLATE_VERSION';\n";
+if ($opt_B) {
+ $tmp .= "our \$XS_VERSION = \$VERSION;\n" unless $opt_X;
+ $tmp .= "\$VERSION = eval \$VERSION; # see L<perlmodstyle>\n";
+}
+$tmp .= "\n";
+
$tmp =~ s/^our //mg if $compat_version < 5.006;
print PM $tmp;
print PM autoload ($module, $compat_version) unless $opt_c or $opt_X;
if( ! $opt_X ){ # print bootstrap, unless XS is disabled
- print PM <<"END";
+ if ($use_Dyna) {
+ $tmp = <<"END";
bootstrap $module \$VERSION;
END
+ } else {
+ $tmp = <<"END";
+require XSLoader;
+XSLoader::load('$module', \$VERSION);
+END
+ }
+ $tmp =~ s:\$VERSION:\$XS_VERSION:g if $opt_B;
+ print PM $tmp;
}
# tying the variables can happen only after bootstrap
my ($email,$author);
eval {
- my $user;
- ($user,$author) = (getpwuid($>))[0,6];
- $author =~ s/,.*$//; # in case of sub fields
- my $domain = $Config{'mydomain'};
- $domain =~ s/^\.//;
- $email = "$user\@$domain";
+ my $username;
+ ($username,$author) = (getpwuid($>))[0,6];
+ if (defined $username && defined $author) {
+ $author =~ s/,.*$//; # in case of sub fields
+ my $domain = $Config{'mydomain'};
+ $domain =~ s/^\.//;
+ $email = "$username\@$domain";
+ }
};
$author ||= "A. U. Thor";
#
EOT
-my $exp_doc = <<EOD;
+my $exp_doc = $skip_exporter ? '' : <<EOD;
#
#=head2 EXPORT
#
EOD
if (@const_names and not $opt_P) {
- $exp_doc .= <<EOD;
+ $exp_doc .= <<EOD unless $skip_exporter;
#=head2 Exportable constants
#
# @{[join "\n ", @const_names]}
}
if (defined $fdecls and @$fdecls and not $opt_P) {
- $exp_doc .= <<EOD;
+ $exp_doc .= <<EOD unless $skip_exporter;
#=head2 Exportable functions
#
EOD
#When accessing these functions from Perl, prefix C<$opt_p> should be removed.
#
#EOD
- $exp_doc .= <<EOD;
+ $exp_doc .= <<EOD unless $skip_exporter;
# @{[join "\n ", @known_fnames{@fnames}]}
#
EOD
}
my $pod = <<"END" unless $opt_P;
-## Below is stub documentation for your module. You better edit it!
+## Below is stub documentation for your module. You'd better edit it!
#
#=head1 NAME
#
#include "XSUB.h"
END
+
+print XS <<"END" unless $skip_ppport;
+#include "ppport.h"
+
+END
+
if( @path_h ){
foreach my $path_h (@path_h_ini) {
my($h) = $path_h;
print XS "\n";
}
+print XS <<"END" if $opt_g;
+
+/* Global Data */
+
+#define MY_CXT_KEY "${module}::_guts" XS_VERSION
+
+typedef struct {
+ /* Put Global Data in here */
+ int dummy; /* you can access this elsewhere as MY_CXT.dummy */
+} my_cxt_t;
+
+START_MY_CXT
+
+END
+
my %pointer_typedefs;
my %struct_typedefs;
return ($struct_typedefs{$otype} = $out);
}
-my $types = {};
-# Important. Passing an undef scalar doesn't cause the
-# autovivified hashref to appear back out in this scope.
+print_tievar_subs(\*XS, $_, $vdecl_hash{$_}) for @vdecls;
if( ! $opt_c ) {
- print XS constant_types(), "\n";
- foreach (C_constant ($module, undef, $opt_t, $types, undef, undef,
- @const_names)) {
- print XS $_, "\n";
+ # We write the "sample" files used when this module is built by perl without
+ # ExtUtils::Constant.
+ # h2xs will later check that these are the same as those generated by the
+ # code embedded into Makefile.PL
+ unless (-d $fallbackdirname) {
+ mkdir "$fallbackdirname" or die "Cannot mkdir $fallbackdirname: $!\n";
}
+ warn "Writing $ext$modpname/$fallbackdirname/$constscfname\n";
+ warn "Writing $ext$modpname/$fallbackdirname/$constsxsfname\n";
+ my $cfallback = File::Spec->catfile($fallbackdirname, $constscfname);
+ my $xsfallback = File::Spec->catfile($fallbackdirname, $constsxsfname);
+ WriteConstants ( C_FILE => $cfallback,
+ XS_FILE => $xsfallback,
+ DEFAULT_TYPE => $opt_t,
+ NAME => $module,
+ NAMES => \@const_names,
+ );
+ print XS "#include \"$constscfname\"\n";
}
-print_tievar_subs(\*XS, $_, $vdecl_hash{$_}) for @vdecls;
my $prefix = defined $opt_p ? "PREFIX = $opt_p" : '';
END
+# If a constant() function was #included then output a corresponding
+# XS declaration:
+print XS "INCLUDE: $constsxsfname\n" unless $opt_c;
+
+print XS <<"END" if $opt_g;
+
+BOOT:
+{
+ MY_CXT_INIT;
+ /* If any of the fields in the my_cxt_t struct need
+ to be initialised, do it here.
+ */
+}
+
+END
+
foreach (sort keys %const_xsub) {
print XS <<"END";
char *
END
}
-# If a constant() function was written then output a corresponding
-# XS declaration:
-# XXX IVs
-print XS XS_constant ($module, $types) unless $opt_c;
-
my %seen_decl;
my %typemap;
print "Type mutation via typedefs: $otype ==> $type\n" if $opt_d;
$entry = assign_typemap_entry($type);
}
+ # XXX good do better if our UV happens to be long long
+ return "T_NV" if $type =~ /^(unsigned\s+)?long\s+(long|double)\z/;
$entry ||= $typemap{$otype}
|| (td_is_struct($type) ? "T_OPAQUE_STRUCT" : "T_PTROBJ");
$typemap{$otype} = $entry;
$prereq_pm = '';
}
-print PL <<END;
+print PL <<"END";
+use $compat_version;
use ExtUtils::MakeMaker;
# See lib/ExtUtils/MakeMaker.pm for details of how to influence
# the contents of the Makefile that is written.
WriteMakefile(
- 'NAME' => '$module',
- 'VERSION_FROM' => '$modfname.pm', # finds \$VERSION
- 'PREREQ_PM' => {$prereq_pm}, # e.g., Module::Name => 1.1
- (\$] >= 5.005 ? ## Add these new keywords supported since 5.005
- (ABSTRACT_FROM => '$modfname.pm', # retrieve abstract from module
- AUTHOR => '$author <$email>') : ()),
+ NAME => '$module',
+ VERSION_FROM => '$modfname.pm', # finds \$VERSION
+ PREREQ_PM => {$prereq_pm}, # e.g., Module::Name => 1.1
+ (\$] >= 5.005 ? ## Add these new keywords supported since 5.005
+ (ABSTRACT_FROM => '$modfname.pm', # retrieve abstract from module
+ AUTHOR => '$author <$email>') : ()),
END
if (!$opt_X) { # print C stuff, unless XS is disabled
$opt_F = '' unless defined $opt_F;
EOC
print PL <<END;
- 'LIBS' => ['$extralibs'], # e.g., '-lm'
- 'DEFINE' => '$opt_F', # e.g., '-DHAVE_SOMETHING'
-$Icomment 'INC' => '$I', # e.g., '${Ihelp}-I/usr/include/other'
+ LIBS => ['$extralibs'], # e.g., '-lm'
+ DEFINE => '$opt_F', # e.g., '-DHAVE_SOMETHING'
+$Icomment INC => '$I', # e.g., '${Ihelp}-I/usr/include/other'
END
- my $C = grep $_ ne "$modfname.c", (glob '*.c'), (glob '*.cc'), (glob '*.C');
+ my $C = grep {$_ ne "$modfname.c"}
+ (glob '*.c'), (glob '*.cc'), (glob '*.C');
my $Cpre = ($C ? '' : '# ');
my $Ccomment = ($C ? '' : <<EOC);
# Un-comment this if you add C files to link with later:
EOC
print PL <<END;
-$Ccomment $Cpre\'OBJECT' => '\$(O_FILES)', # link all the C files too
+$Ccomment ${Cpre}OBJECT => '\$(O_FILES)', # link all the C files too
END
-}
+} # ' # Grr
print PL ");\n";
+if (!$opt_c) {
+ my $generate_code =
+ WriteMakefileSnippet ( C_FILE => $constscfname,
+ XS_FILE => $constsxsfname,
+ DEFAULT_TYPE => $opt_t,
+ NAME => $module,
+ NAMES => \@const_names,
+ );
+ print PL <<"END";
+if (eval {require ExtUtils::Constant; 1}) {
+ # If you edit these definitions to change the constants used by this module,
+ # you will need to use the generated $constscfname and $constsxsfname
+ # files to replace their "fallback" counterparts before distributing your
+ # changes.
+$generate_code
+}
+else {
+ use File::Copy;
+ use File::Spec;
+ foreach my \$file ('$constscfname', '$constsxsfname') {
+ my \$fallback = File::Spec->catfile('$fallbackdirname', \$file);
+ copy (\$fallback, \$file) or die "Can't copy \$fallback to \$file: \$!";
+ }
+}
+END
+
+ eval $generate_code;
+ if ($@) {
+ warn <<"EOM";
+Attempting to test constant code in $ext$modpname/Makefile.PL:
+$generate_code
+__END__
+gave unexpected error $@
+Please report the circumstances of this bug in h2xs version $H2XS_VERSION
+using the perlbug script.
+EOM
+ } else {
+ my $fail;
+
+ foreach my $file ($constscfname, $constsxsfname) {
+ my $fallback = File::Spec->catfile($fallbackdirname, $file);
+ if (compare($file, $fallback)) {
+ warn << "EOM";
+Files "$ext$modpname/$fallbackdirname/$file" and "$ext$modpname/$file" differ.
+EOM
+ $fail++;
+ }
+ }
+ if ($fail) {
+ warn fill ('','', <<"EOM") . "\n";
+It appears that the code in $ext$modpname/Makefile.PL does not autogenerate
+the files $ext$modpname/$constscfname and $ext$modpname/$constsxsfname
+correctly.
+
+Please report the circumstances of this bug in h2xs version $H2XS_VERSION
+using the perlbug script.
+EOM
+ } else {
+ unlink $constscfname, $constsxsfname;
+ }
+ }
+}
close(PL) || die "Can't close $ext$modpname/Makefile.PL: $!\n";
# Create a simple README since this is a CPAN requirement
warn "Writing $ext$modpname/MANIFEST\n";
open(MANI,'>MANIFEST') or die "Can't create MANIFEST: $!";
-my @files = grep { -f } (<*>, <t/*>);
+my @files = grep { -f } (<*>, <t/*>, <$fallbackdirname/*>);
if (!@files) {
eval {opendir(D,'.');};
unless ($@) { @files = readdir(D); closedir(D); }