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|
use strict;
use warnings;
use Module::Build;
use ExtUtils::CBuilder;
my %extra_requires;
my $extra_compiler_flags;
my $extra_linker_flags;
my $build_xs = 1;
grep { $_ eq "--pp" } @ARGV and $build_xs = 0;
if( $ENV{PERL_SOCKET_GETADDRINFO_NO_BUILD_XS} ) {
print "PERL_SOCKET_GETADDRINFO_NO_BUILD_XS specified in environment; disabling XS implementation\n";
$build_xs = 0;
}
# As of Perl 5.13.9, core's Socket now contains getaddrinfo, getnameinfo, and
# all the associated constants.
if( $build_xs and eval { require Socket and defined &Socket::getaddrinfo and defined &Socket::NIx_NOHOST } ) {
print "&Socket::getaddrinfo exists so no need to build XS implementation\n";
$build_xs = 0;
$extra_requires{"Socket"} = $Socket::VERSION;
}
if( $build_xs and not ExtUtils::CBuilder->new->have_compiler ) {
print "No C compiler is available so cannot build XS implementation\n";
$build_xs = 0;
}
if( $build_xs ) {
eval { require ExtUtils::CChecker; 1 } or
die "OS unsupported - missing ExtUtils::CChecker";
eval { ExtUtils::CChecker->VERSION( 0.06 ) } or
die "OS unsupported - ExtUtils::CChecker too old; need at least 0.06";
my $cc = ExtUtils::CChecker->new(
defines_to => "socket-gai-config.h",
);
print "\nDetecting if libc supports getaddrinfo()...\n";
my $headers = <<'EOF';
#include <stdlib.h>
#include <stdio.h>
#ifdef WIN32
#undef WINVER
#define WINVER 0x0501
#ifdef __GNUC__
# define USE_W32_SOCKETS
#endif
#include <winsock2.h>
/* We need to include ws2tcpip.h to get the IPv6 definitions.
* It will in turn include wspiapi.h. Later versions of that
* header in the Windows SDK generate C++ template code that
* can't be compiled with VC6 anymore. The _WSPIAPI_COUNTOF
* definition below prevents wspiapi.h from generating this
* incompatible code.
*/
# define _WSPIAPI_COUNTOF(_Array) (sizeof(_Array) / sizeof(_Array[0]))
# undef UNICODE
#include <ws2tcpip.h>
#ifndef NI_NUMERICSERV
#error Microsoft Platform SDK (Aug. 2001) or later required.
#endif
#ifdef _MSC_VER
# pragma comment(lib, "Ws2_32.lib")
#endif
#else
#include <sys/types.h>
#include <sys/socket.h>
#include <netdb.h>
#endif
EOF
$cc->try_find_libs_for(
define => "HAS_GETADDRINFO",
# Solaris et.al. use -lsocket or -lsocket -lnsl
libs => $^O eq 'MSWin32'
? [ "", "ws2_32" ]
: [ "", "socket", "socket nsl" ],
source => $headers . <<'EOF' );
int main(int argc, char *argv[]) {
struct addrinfo hints = { 0 };
struct addrinfo *res;
int rc;
#ifdef _WIN32
WSADATA wsadata;
rc = WSAStartup(MAKEWORD(2, 0), &wsadata);
if (rc != 0) {
printf("WSAStartup() failed: %d\n", rc);
return 1;
}
#endif
hints.ai_socktype = SOCK_STREAM;
rc = getaddrinfo("127.0.0.1", "80", &hints, &res);
if (rc != 0) {
printf("getaddrinfo() failed: %d\n", rc);
return 1;
}
freeaddrinfo(res);
return 0;
}
EOF
print "Detecting if sockaddr has sa_len field...\n";
$cc->try_compile_run(
define => "HAS_SOCKADDR_SA_LEN",
source => $headers . <<'EOF' );
int main(int argc, char *argv[]) {
struct sockaddr sa;
sa.sa_len = 0;
return 0;
}
EOF
$extra_requires{"XSLoader"} = 0;
$extra_compiler_flags = $cc->extra_compiler_flags;
$extra_linker_flags = $cc->extra_linker_flags;
}
my $build = Module::Build->new(
module_name => 'Socket::GetAddrInfo',
dist_version_from => 'lib/Socket/GetAddrInfo.pm',
requires => {
'Exporter' => '5.57',
%extra_requires,
},
configure_requires => {
'ExtUtils::CBuilder' => 0,
'ExtUtils::CChecker' => '0.06',
'Module::Build' => 0,
},
build_requires => {
'ExtUtils::CBuilder' => 0,
'ExtUtils::CChecker' => '0.06',
'Module::Build' => 0,
'Module::Build::Compat' => 0,
'Scalar::Util' => 0,
'Test::More' => 0,
},
extra_compiler_flags => $extra_compiler_flags,
extra_linker_flags => $extra_linker_flags,
( $build_xs ? () : ( xs_files => {} ) ),
license => 'perl',
create_makefile_pl => 'small',
create_license => 1,
create_readme => 1,
);
$build->create_build_script;
|
