by including arguments of the form B<-L/another/library/path> in the
extra-libraries argument.
+In spite of its name, I<h2xs> may also be used to create a skeleton pure
+Perl module. See the B<-X> option.
+
=head1 OPTIONS
=over 5
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>
=item B<-P>, B<--omit-pod>
-Omit the autogenerated stub POD section.
+Omit the autogenerated stub POD section.
=item B<-X>, B<--omit-XS>
-Omit the XS portion. Used to generate templates for a module which is not
-XS-based. C<-c> and C<-f> are implicitly enabled.
+Omit the XS portion. Used to generate a skeleton pure Perl module.
+C<-c> and C<-f> are implicitly enabled.
=item B<-a>, B<--gen-accessors>
Turn on debugging messages.
+=item B<-e>, B<--omit-enums>=[I<regular expression>]
+
+If I<regular expression> is not given, skip all constants that are defined in
+a C enumeration. Otherwise skip only those constants that are defined in an
+enum whose name matches I<regular expression>.
+
+Since I<regular expression> is optional, make sure that this switch is followed
+by at least one other switch if you omit I<regular expression> and have some
+pending arguments such as header-file names. This is ok:
+
+ h2xs -e -n Module::Foo foo.h
+
+This is not ok:
+
+ h2xs -n Module::Foo -e foo.h
+
+In the latter, foo.h is taken as I<regular expression>.
+
=item B<-f>, B<--force>
Allows an extension to be created for a header even if that header is
=item B<-g>, B<--global>
-Include code for safely storing static data in the .xs file.
+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>
=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>
=head1 EXAMPLES
- # Default behavior, extension is Rusers
- h2xs rpcsvc/rusers
+ # Default behavior, extension is Rusers
+ h2xs rpcsvc/rusers
+
+ # Same, but extension is RUSERS
+ h2xs -n RUSERS rpcsvc/rusers
- # Same, but extension is RUSERS
- h2xs -n RUSERS rpcsvc/rusers
+ # Extension is rpcsvc::rusers. Still finds <rpcsvc/rusers.h>
+ h2xs rpcsvc::rusers
- # Extension is rpcsvc::rusers. Still finds <rpcsvc/rusers.h>
- h2xs rpcsvc::rusers
+ # Extension is ONC::RPC. Still finds <rpcsvc/rusers.h>
+ h2xs -n ONC::RPC rpcsvc/rusers
- # Extension is ONC::RPC. Still finds <rpcsvc/rusers.h>
- h2xs -n ONC::RPC rpcsvc/rusers
+ # Without constant() or AUTOLOAD
+ h2xs -c rpcsvc/rusers
- # Without constant() or AUTOLOAD
- h2xs -c rpcsvc/rusers
+ # Creates templates for an extension named RPC
+ h2xs -cfn RPC
- # Creates templates for an extension named RPC
- h2xs -cfn RPC
+ # Extension is ONC::RPC.
+ h2xs -cfn ONC::RPC
- # Extension is ONC::RPC.
- h2xs -cfn ONC::RPC
+ # Extension is a pure Perl module with no XS code.
+ h2xs -X My::Module
- # Makefile.PL will look for library -lrpc in
- # additional directory /opt/net/lib
- h2xs rpcsvc/rusers -L/opt/net/lib -lrpc
+ # Extension is Lib::Foo which works at least with Perl5.005_03.
+ # Constants are created for all #defines and enums h2xs can find
+ # in foo.h.
+ h2xs -b 5.5.3 -n Lib::Foo foo.h
- # Extension is DCE::rgynbase
- # prefix "sec_rgy_" is dropped from perl function names
- h2xs -n DCE::rgynbase -p sec_rgy_ dce/rgynbase
+ # Extension is Lib::Foo which works at least with Perl5.005_03.
+ # Constants are created for all #defines but only for enums
+ # whose names do not start with 'bar_'.
+ h2xs -b 5.5.3 -e '^bar_' -n Lib::Foo foo.h
- # Extension is DCE::rgynbase
- # prefix "sec_rgy_" is dropped from perl function names
- # subroutines are created for sec_rgy_wildcard_name and sec_rgy_wildcard_sid
- h2xs -n DCE::rgynbase -p sec_rgy_ \
- -s sec_rgy_wildcard_name,sec_rgy_wildcard_sid dce/rgynbase
+ # Makefile.PL will look for library -lrpc in
+ # additional directory /opt/net/lib
+ h2xs rpcsvc/rusers -L/opt/net/lib -lrpc
- # Make XS without defines in perl.h, but with function declarations
- # visible from perl.h. Name of the extension is perl1.
- # When scanning perl.h, define -DEXT=extern -DdEXT= -DINIT(x)=
- # Extra backslashes below because the string is passed to shell.
- # Note that a directory with perl header files would
- # be added automatically to include path.
- h2xs -xAn perl1 -F "-DEXT=extern -DdEXT= -DINIT\(x\)=" perl.h
+ # Extension is DCE::rgynbase
+ # prefix "sec_rgy_" is dropped from perl function names
+ h2xs -n DCE::rgynbase -p sec_rgy_ dce/rgynbase
- # Same with function declaration in proto.h as visible from perl.h.
- h2xs -xAn perl2 perl.h,proto.h
+ # Extension is DCE::rgynbase
+ # prefix "sec_rgy_" is dropped from perl function names
+ # subroutines are created for sec_rgy_wildcard_name and
+ # sec_rgy_wildcard_sid
+ h2xs -n DCE::rgynbase -p sec_rgy_ \
+ -s sec_rgy_wildcard_name,sec_rgy_wildcard_sid dce/rgynbase
- # Same but select only functions which match /^av_/
- h2xs -M '^av_' -xAn perl2 perl.h,proto.h
+ # Make XS without defines in perl.h, but with function declarations
+ # visible from perl.h. Name of the extension is perl1.
+ # When scanning perl.h, define -DEXT=extern -DdEXT= -DINIT(x)=
+ # Extra backslashes below because the string is passed to shell.
+ # Note that a directory with perl header files would
+ # be added automatically to include path.
+ h2xs -xAn perl1 -F "-DEXT=extern -DdEXT= -DINIT\(x\)=" perl.h
- # Same but treat SV* etc as "opaque" types
- h2xs -o '^[S]V \*$' -M '^av_' -xAn perl2 perl.h,proto.h
+ # Same with function declaration in proto.h as visible from perl.h.
+ h2xs -xAn perl2 perl.h,proto.h
+
+ # Same but select only functions which match /^av_/
+ h2xs -M '^av_' -xAn perl2 perl.h,proto.h
+
+ # Same but treat SV* etc as "opaque" types
+ h2xs -o '^[S]V \*$' -M '^av_' -xAn perl2 perl.h,proto.h
=head2 Extension based on F<.h> and F<.c> files
Suppose that you have some C files implementing some functionality,
and the corresponding header files. How to create an extension which
-makes this functionality accessable in Perl? The example below
+makes this functionality accessible in Perl? The example below
assumes that the header files are F<interface_simple.h> and
I<interface_hairy.h>, and you want the perl module be named as
C<Ext::Ension>. If you need some preprocessor directives and/or
use strict;
-my( $H2XS_VERSION ) = ' $Revision: 1.21 $ ' =~ /\$Revision:\s+([^\s]+)/;
+my( $H2XS_VERSION ) = ' $Revision: 1.23 $ ' =~ /\$Revision:\s+([^\s]+)/;
my $TEMPLATE_VERSION = '0.01';
my @ARGS = @ARGV;
my $compat_version = $];
$Text::Wrap::columns = 80;
use ExtUtils::Constant qw (WriteConstants WriteMakefileSnippet autoload);
use File::Compare;
-use Devel::PPPort;
+use File::Path;
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.
-P, --omit-pod Omit the stub POD section.
-X, --omit-XS Omit the XS portion (implies both -c and -f).
- -a, --gen-accessors Generate get/set accessors for struct and union members (used with -x).
- -b, --compat-version Specify a perl version to be backwards compatibile with
+ -a, --gen-accessors Generate get/set accessors for struct and union members
+ (used with -x).
+ -b, --compat-version Specify a perl version to be backwards compatibile with.
-c, --omit-constant Omit the constant() function and specialised AUTOLOAD
from the XS file.
-d, --debugging Turn on debugging messages.
+ -e, --omit-enums Omit constants from enums in the constant() function.
+ If a pattern is given, only the matching enums are
+ ignored.
-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
+ -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).
-m, --gen-tied-var Generate tied variables for access to declared
-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 (default is IV)
- --use-new-tests Use Test::More in backward compatible modules
- --use-old-tests Use the module Test rather than Test::More
+ -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.
+ --use-xsloader Use XSLoader in backward compatible modules (ignored
+ when used with -X).
extra_libraries
are any libraries that might be needed for loading the
}
my ($opt_A,
+ $opt_B,
$opt_C,
$opt_F,
$opt_M,
$opt_a,
$opt_c,
$opt_d,
+ $opt_e,
$opt_f,
$opt_g,
$opt_h,
$opt_b,
$opt_t,
$new_test,
- $old_test
+ $old_test,
+ $skip_exporter,
+ $skip_ppport,
+ $skip_autoloader,
+ $skip_strict,
+ $skip_warnings,
+ $use_xsloader
);
Getopt::Long::Configure('bundling');
+Getopt::Long::Configure('pass_through');
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,
'compat-version|b=s' => \$opt_b,
'omit-constant|c' => \$opt_c,
'debugging|d' => \$opt_d,
+ 'omit-enums|e:s' => \$opt_e,
'force|f' => \$opt_f,
'global|g' => \$opt_g,
'help|h|?' => \$opt_h,
'version|v=s' => \$opt_v,
'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,
+ 'use-xsloader' => \$use_xsloader,
);
GetOptions(%options) || usage;
if( $opt_b ){
usage "You cannot use -b and -m at the same time.\n" if ($opt_b && $opt_m);
- $opt_b =~ /^\d+\.\d+\.\d+/ ||
+ $opt_b =~ /^v?(\d+)\.(\d+)\.(\d+)/ ||
usage "You must provide the backwards compatibility version in X.Y.Z form. "
. "(i.e. 5.5.0)\n";
- my ($maj,$min,$sub) = split(/\./,$opt_b,3);
+ my ($maj,$min,$sub) = ($1,$2,$3);
if ($maj < 5 || ($maj == 5 && $min < 6)) {
- $compat_version = sprintf("%d.%03d%02d",$maj,$min,$sub);
+ $compat_version =
+ $sub ? sprintf("%d.%03d%02d",$maj,$min,$sub) :
+ sprintf("%d.%03d", $maj,$min);
} else {
$compat_version = sprintf("%d.%03d%03d",$maj,$min,$sub);
}
} else {
- my ($maj,$min,$sub) = $compat_version =~ /(\d+)\.(\d\d\d)(\d\d\d?)/;
+ my ($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
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 %const_xsub;
+%const_xsub = map { $_,1 } split(/,+/, $opt_s) if $opt_s;
my $extralibs = '';
while (my $arg = shift) {
if ($arg =~ /^-l/i) {
- $extralibs = "$arg @ARGV";
- last;
+ $extralibs .= "$arg ";
+ next;
}
+ last if $extralibs;
push(@path_h, $arg);
}
}
}
elsif ($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 $pre_sub_tri_graphs = 1;
}
if (!$opt_c) {
- die "Can't find $tmp_path_h in @dirs\n"
+ die "Can't find $tmp_path_h in @dirs\n"
if ( ! $opt_f && ! -f "$rel_path_h" );
# Scan the header file (we should deal with nested header files)
# Record the names of simple #define constants into const_names
defines:
while (<CH>) {
if ($pre_sub_tri_graphs) {
- # Preprocess all tri-graphs
+ # Preprocess all tri-graphs
# including things stuck in quoted string constants.
s/\?\?=/#/g; # | ??=| #|
s/\?\?\!/|/g; # | ??!| ||
}
}
}
- close(CH);
+ if (defined $opt_e and !$opt_e) {
+ close(CH);
+ }
+ else {
+ # Work from miniperl too - on "normal" systems
+ my $SEEK_SET = eval 'use Fcntl qw/SEEK_SET/; SEEK_SET' or 0;
+ seek CH, 0, $SEEK_SET;
+ my $src = do { local $/; <CH> };
+ close CH;
+ no warnings 'uninitialized';
+
+ # Remove C and C++ comments
+ $src =~ s#/\*[^*]*\*+([^/*][^*]*\*+)*/|("(\\.|[^"\\])*"|'(\\.|[^'\\])*'|.[^/"'\\]*)#$2#gs;
+
+ while ($src =~ /\benum\s*([\w_]*)\s*\{\s([^}]+)\}/gsc) {
+ my ($enum_name, $enum_body) = ($1, $2);
+ # skip enums matching $opt_e
+ next if $opt_e && $enum_name =~ /$opt_e/;
+ my $val = 0;
+ for my $item (split /,/, $enum_body) {
+ next if $item =~ /\A\s*\Z/;
+ my ($key, $declared_val) = $item =~ /(\w+)\s*(?:=\s*(.*))?/;
+ $val = defined($declared_val) && length($declared_val) ? $declared_val : 1 + $val;
+ $seen_define{$key} = $val;
+ $const_names{$key}++;
+ }
+ } # while (...)
+ } # if (!defined $opt_e or $opt_e)
}
}
}
# Save current directory so that C::Scan can use it
my $cwd = File::Spec->rel2abs( File::Spec->curdir );
-my ($ext, $nested, @modparts, $modfname, $modpname, $constsfname);
-
-$ext = chdir 'ext' ? 'ext/' : '';
+# 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';
-if( $module =~ /::/ ){
- $nested = 1;
- @modparts = split(/::/,$module);
- $modfname = $modparts[-1];
- $modpname = join('/',@modparts);
-}
-else {
- $nested = 0;
- @modparts = ();
- $modfname = $modpname = $module;
-}
-# Don't trip up if someone calls their module 'constants'
-$constsfname = $modfname eq 'constants' ? 'constdefs' : 'constants';
+my $ext = chdir 'ext' ? 'ext/' : '';
+my @modparts = split(/::/,$module);
+my $modpname = join('-', @modparts);
+my $modfname = pop @modparts;
+my $modpmdir = join '/', 'lib', @modparts;
+my $modpmname = join '/', $modpmdir, $modfname.'.pm';
if ($opt_O) {
warn "Overwriting existing $ext$modpname!!!\n" if -e $modpname;
else {
die "Won't overwrite existing $ext$modpname\n" if -e $modpname;
}
-if( $nested ){
- my $modpath = "";
- foreach (@modparts){
- -d "$modpath$_" || mkdir("$modpath$_", 0777);
- $modpath .= "$_/";
- }
-}
--d "$modpname" || mkdir($modpname, 0777);
+-d "$modpname" || mkpath([$modpname], 0, 0775);
chdir($modpname) || die "Can't chdir $ext$modpname: $!\n";
my %types_seen;
my @vdecls;
if( ! $opt_X ){ # use XS, unless it was disabled
- warn "Writing $ext$modpname/ppport.h\n";
- Devel::PPPort::WriteFile('ppport.h')
- || die "Can't create $ext$modpname/ppport.h: $!\n";
-
+ unless ($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;
'add_cppflags' => $addflags, 'c_styles' => \@styles;
$c->set('includeDirs' => ["$Config::Config{archlib}/CORE", $cwd]);
+ $c->get('keywords')->{'__restrict'} = 1;
+
push @$fdecls_parsed, @{ $c->get('parsed_fdecls') };
push(@$fdecls, @{$c->get('fdecls')});
$n = keys %td;
my ($k, $v);
while (($k, $v) = each %seen_define) {
- # print("found '$k'=>'$v'\n"),
+ # print("found '$k'=>'$v'\n"),
$bad_macs{$k} = $td{$k} = $td{$v} if exists $td{$v};
}
}
}
my @const_names = sort keys %const_names;
-open(PM, ">$modfname.pm") || die "Can't create $ext$modpname/$modfname.pm: $!\n";
+-d $modpmdir || mkpath([$modpmdir], 0, 0775);
+open(PM, ">$modpmname") || die "Can't create $ext$modpname/$modpmname: $!\n";
$" = "\n\t";
-warn "Writing $ext$modpname/$modfname.pm\n";
+warn "Writing $ext$modpname/$modpmname\n";
print PM <<"END";
package $module;
use $compat_version;
+END
+
+print PM <<"END" unless $skip_strict;
use strict;
END
-print PM "use warnings;\n" unless $compat_version < 5.006;
+
+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 and not $use_xsloader);
+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 $tmp;
}
# tying the variables can happen only after bootstrap
__END__
END
-my ($email,$author);
+my ($email,$author,$licence);
eval {
my $username;
}
};
+$author =~ s/'/\\'/g if defined $author;
$author ||= "A. U. Thor";
$email ||= 'a.u.thor@a.galaxy.far.far.away';
+$licence = sprintf << "DEFAULT", $^V;
+Copyright (C) ${\(1900 + (localtime) [5])} by $author
+
+This library is free software; you can redistribute it and/or modify
+it under the same terms as Perl itself, either Perl version %vd or,
+at your option, any later version of Perl 5 you may have available.
+DEFAULT
+
my $revhist = '';
$revhist = <<EOT if $opt_C;
#
#
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 $skip_exporter;
# @{[join "\n ", @known_fnames{@fnames}]}
#
EOD
while ($name, $struct) = each %structs;
}
-my $pod = <<"END" unless $opt_P;
+# Prefix the default licence with hash symbols.
+# Is this just cargo cult - it seems that the first thing that happens to this
+# block is that all the hashes are then s///g out.
+my $licence_hash = $licence;
+$licence_hash =~ s/^/#/gm;
+
+my $pod;
+$pod = <<"END" unless $opt_P;
## Below is stub documentation for your module. You'd better edit it!
#
#=head1 NAME
# use $module;
# blah blah blah
#
-#=head1 ABSTRACT
-#
-# This should be the abstract for $module.
-# The abstract is used when making PPD (Perl Package Description) files.
-# If you don't want an ABSTRACT you should also edit Makefile.PL to
-# remove the ABSTRACT_FROM option.
-#
#=head1 DESCRIPTION
#
#Stub documentation for $module, created by h2xs. It looks like the
#
#=head1 COPYRIGHT AND LICENSE
#
-#Copyright ${\(1900 + (localtime) [5])} by $author
-#
-#This library is free software; you can redistribute it and/or modify
-#it under the same terms as Perl itself.
+$licence_hash
#
#=cut
END
#include "EXTERN.h"
#include "perl.h"
#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;
# ExtUtils::Constant.
# h2xs will later check that these are the same as those generated by the
# code embedded into Makefile.PL
- warn "Writing $ext$modpname/fallback.c\n";
- warn "Writing $ext$modpname/fallback.xs\n";
- WriteConstants ( C_FILE => "fallback.c",
- XS_FILE => "fallback.xs",
+ 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 => $module,
NAMES => \@const_names,
);
- print XS "#include \"$constsfname.c\"\n";
+ print XS "#include \"$constscfname\"\n";
}
# If a constant() function was #included then output a corresponding
# XS declaration:
-print XS "INCLUDE: $constsfname.xs\n" unless $opt_c;
+print XS "INCLUDE: $constsxsfname\n" unless $opt_c;
print XS <<"END" if $opt_g;
croak("Size \%d of packed data != expected \%d",
len, sizeof(THIS));
RETVAL = ($name *)s;
- }
+ }
else
croak("THIS is not of type $name");
OUTPUT:
next unless -e $typemap ;
# skip directories, binary files etc.
warn " Scanning $typemap\n";
- warn("Warning: ignoring non-text typemap file '$typemap'\n"), next
+ warn("Warning: ignoring non-text typemap file '$typemap'\n"), next
unless -T $typemap ;
- open(TYPEMAP, $typemap)
+ open(TYPEMAP, $typemap)
or warn ("Warning: could not open typemap file '$typemap': $!\n"), next;
my $mode = 'Typemap';
while (<TYPEMAP>) {
my $do_keep_deep_const = shift;
# If $do_keep_deep_const this is heuristical only
my $keep_deep_const = ($do_keep_deep_const ? '\b(?![^(,)]*\*)' : '');
- my $ignore_mods
+ my $ignore_mods
= "(?:\\b(?:(?:__const__|const)$keep_deep_const|static|inline|__inline__)\\b\\s*)*";
if ($do_keep_deep_const) { # Keep different compiled /RExen/o separately!
$type =~ s/$ignore_mods//go;
$type =~ s/\* (?=\*)/*/g;
$type =~ s/\. \. \./.../g;
$type =~ s/ ,/,/g;
- $types_seen{$type}++
+ $types_seen{$type}++
unless $type eq '...' or $type eq 'void' or $std_types{$type};
$type;
}
warn "Writing $ext$modpname/Makefile.PL\n";
open(PL, ">Makefile.PL") || die "Can't create $ext$modpname/Makefile.PL: $!\n";
-my $prereq_pm;
+my $prereq_pm = '';
if ( $compat_version < 5.00702 and $new_test )
{
- $prereq_pm = q%'Test::More' => 0%;
+ $prereq_pm .= q%'Test::More' => 0, %;
}
-else
+
+if ( $compat_version < 5.00600 and !$opt_X and $use_xsloader)
{
- $prereq_pm = '';
+ $prereq_pm .= q%'XSLoader' => 0, %;
}
print PL <<"END";
# See lib/ExtUtils/MakeMaker.pm for details of how to influence
# the contents of the Makefile that is written.
WriteMakefile(
- 'NAME' => '$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 => '$modpmname', # finds \$VERSION
+ PREREQ_PM => {$prereq_pm}, # e.g., Module::Name => 1.1
+ (\$] >= 5.005 ? ## Add these new keywords supported since 5.005
+ (ABSTRACT_FROM => '$modpmname', # retrieve abstract from module
+ AUTHOR => '$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., '${Ihelp}-I/usr/include/other'
END
- if (!$opt_c) {
- print PL <<"END";
- # Without this the constants xs files are spotted, and cause rules to be
- # added to delete the similarly names C files, which isn't what we want.
- 'XS' => {'$modfname.xs' => '$modfname.c'},
- realclean => {FILES => '$constsfname.c $constsfname.xs'},
-END
- }
-
- my $C = grep {$_ ne "$modfname.c" && $_ ne "fallback.c"}
+ my $C = grep {$_ ne "$modfname.c"}
(glob '*.c'), (glob '*.cc'), (glob '*.C');
my $Cpre = ($C ? '' : '# ');
my $Ccomment = ($C ? '' : <<EOC);
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 $generate_code =
- WriteMakefileSnippet ( C_FILE => "$constsfname.c",
- XS_FILE => "$constsfname.xs",
+ 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 $constsfname.c and $constsfname.xs
+ # you will need to use the generated $constscfname and $constsxsfname
# files to replace their "fallback" counterparts before distributing your
# changes.
$generate_code
}
else {
use File::Copy;
- copy ('fallback.c', '$constsfname.c')
- or die "Can't copy fallback.c to $constsfname.c: \$!";
- copy ('fallback.xs', '$constsfname.xs')
- or die "Can't copy fallback.xs to $constsfname.xs: \$!";
+ use File::Spec;
+ foreach my \$file ('$constscfname', '$constsxsfname') {
+ my \$fallback = File::Spec->catfile('$fallbackdirname', \$file);
+ copy (\$fallback, \$file) or die "Can't copy \$fallback to \$file: \$!";
+ }
}
END
} else {
my $fail;
- foreach ('c', 'xs') {
- if (compare("fallback.$_", "$constsfname.$_")) {
+ foreach my $file ($constscfname, $constsxsfname) {
+ my $fallback = File::Spec->catfile($fallbackdirname, $file);
+ if (compare($file, $fallback)) {
warn << "EOM";
-Files "$ext$modpname/fallback.$_" and "$ext$modpname/$constsfname.$_" differ.
+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/$constsfname.c and $ext$modpname/$constsfname.xs
+the files $ext$modpname/$constscfname and $ext$modpname/$constsxsfname
correctly.
-
+
Please report the circumstances of this bug in h2xs version $H2XS_VERSION
using the perlbug script.
EOM
} else {
- unlink "$constsfname.c", "$constsfname.xs";
+ unlink $constscfname, $constsxsfname;
}
}
}
Put the correct copyright and licence information here.
-Copyright (C) $thisyear $author
-
-This library is free software; you can redistribute it and/or modify
-it under the same terms as Perl itself.
+$licence
_RMEND_
close(RM) || die "Can't close $ext$modpname/README: $!\n";
my $testdir = "t";
-my $testfile = "$testdir/1.t";
+my $testfile = "$testdir/$modpname.t";
unless (-d "$testdir") {
mkdir "$testdir" or die "Cannot mkdir $testdir: $!\n";
}
print EX <<_END_;
# Before `make install' is performed this script should be runnable with
-# `make test'. After `make install' it should work as `perl 1.t'
+# `make test'. After `make install' it should work as `perl $modpname.t'
#########################
print "# pass: \$\@";
} else {
print "# fail: \$\@";
- \$fail = 1;
+ \$fail = 1;
}
}
if (\$fail) {
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/*>, <$modpmdir/*>);
if (!@files) {
eval {opendir(D,'.');};
unless ($@) { @files = readdir(D); closedir(D); }
$_ = 'Makefile.PL' if $_ eq 'makefile.pl';
}
}
-if (!$opt_c) {
- @files = grep {$_ ne "$constsfname.c" and $_ ne "$constsfname.xs"} @files;
-}
print MANI join("\n",@files), "\n";
close MANI;
!NO!SUBS!