[ViewVC] Diff of: cvs/EV/Makefile.PL

Comparing EV/Makefile.PL (file contents):
Revision 1.5 by root, Mon Oct 29 08:48:07 2007 UTC vs.
Revision 1.55 by root, Sat Sep 6 18:42:18 2014 UTC

1	use 5.006;	1	use 5.008002;
2		2
		3	use strict qw(vars subs);
		4	use Config;
3	use ExtUtils::MakeMaker;	5	use ExtUtils::MakeMaker;
4		6
		7	sub have_inc($) {
		8	scalar grep -r "$_/$_[0]", $Config{usrinc}, split / /, $Config{incpth}
		9	}
		10
		11	unless (-e "libev/ev_epoll.c") {
5	print <<EOF;	12	print <<EOF;
6		13
7	***	14	***
8	*** You need to install libevent (http://monkey.org/~provos/libevent/) separately	15	*** ERROR: libev is missing or damaged. If you used a CVS check-out of EV,
9	*** first in a way so that the Makefile.PL can find both -levent and the event.h	16	*** you also have to check-out the "libev" module from the same CVS
10	*** and evdns.h include files.	17	*** repository into the EV dir (i.e. EV/libev from outside).
11	***	18	***
12	*** Version 1.3e or higher is recommended, but older 1.3 versions likely work too.
13	***
14		19
15	EOF	20	EOF
		21	exit 1;
		22	}
		23
		24	print <<EOF;
		25
		26	* * * * * * * * * * * * * * * * * *
		27
		28
		29	Welcome to EV configuration. If you are in a hurry, just press return here
		30	and hope for the best. The defaults should usually do.
		31
		32	EOF
		33
		34	if (prompt ("Skip further questions and use defaults (y/n)?", "y") =~ /[yY]/) {
		35	$ENV{PERL_MM_USE_DEFAULT} = 1;
		36	}
		37
		38	print <<EOF;
		39
		40	* * * * * * * * * * * * * * * * * *
		41
		42
		43	POSIX optionally offers support for a monotonic clock source. EV
		44	can take advantage of this clock source to detect time jumps more
		45	reliably. Unfortunately, some systems are bound to be broken, so you can
		46	disable this here: you can completely disable the detection and use of
		47	the monotonic clock by answering 'n' here. Support for this clock type
		48	will otherwise be autodetected at both compile- and runtime. (this setting
		49	currently affects the use of nanosleep over select as well).
		50
		51	EOF
		52
		53	my $DEFINE .= " -DEV_USE_MONOTONIC=" . (0 + (prompt ("Enable optional support for CLOCK_MONOTONIC (y/n)?", "y") =~ /[yY]/));
		54
		55	print <<EOF;
		56
		57	* * * * * * * * * * * * * * * * * *
		58
		59
		60	POSIX optionally offers support for a (potentially) high-resolution
		61	realtime clock interface. In a good implementation, using it is faster
		62	than the normal method of using gettimeofday. Unfortunately, this option
		63	is also bound to be broken on some systems, and current EV versions do not
		64	actually call gettimeofday very often, so it defaults to no.
		65
		66	EOF
		67
		68	$DEFINE .= " -DEV_USE_REALTIME=" . (0 + (prompt ("Prefer clock_gettime (CLOCK_REALTIME) over gettimeofday (y/n)?", "n") =~ /[yY]/));
		69
		70	print <<EOF;
		71
		72	* * * * * * * * * * * * * * * * * *
		73
		74
		75	EV can use various backends with various portability issues. The select
		76	backend is the most portable and makes for a good fallback, but it can be
		77	limited to a low number of file descriptors and/or might not compile. If
		78	you have problems with compiling ev_select.c, you might try to play around
		79	with disabling it here, or forcing it to use the fd_set provided by your
		80	OS, via the next question. I highly recommend keeping it in.
		81
		82	EOF
		83
		84	if (prompt ("Enable select backend (y/n)?", "y") =~ /[yY]/) {
		85	$DEFINE .= " -DEV_USE_SELECT=1";
		86
		87	print <<EOF;
		88
		89	* * * * * * * * * * * * * * * * * *
		90
		91
		92	The select backend can operate in two modes. One uses the system-provided
		93	fd_set and is usually limited to 1024 file descriptors (64 on windows),
		94	the other requires your header files to define NFDBITS and declare a
		95	suitable fd_mask type. If you run into problems compiling ev_select.c, you
		96	can try forcing the use of the system fd_set here.
		97
		98	EOF
		99
		100	if (prompt ("Force use of system fd_set for select backend (y/n)?", "n") =~ /[yY]/) {
		101	$DEFINE .= " -DEV_SELECT_USE_FD_SET";
		102	}
		103	} else {
		104	$DEFINE .= " -DEV_USE_SELECT=0";
		105	}
		106
		107	print <<EOF;
		108
		109	* * * * * * * * * * * * * * * * * *
		110
		111
		112	The second very portable backend is poll(2). It does not exist on windows
		113	and various versions of Mac OS X (and on the other versions it simply
		114	doesn't work), but works basically everywhere else. It is recommended to use
		115	the default here unless you run into compile problems in ev_poll.c.
		116
		117	EOF
		118
		119	$DEFINE .= " -DEV_USE_POLL=" . (0 + (prompt ("Enable poll backend (y/n)?", (have_inc "poll.h") ? "y" : "n") =~ /[yY]/));
		120
		121	print <<EOF;
		122
		123	* * * * * * * * * * * * * * * * * *
		124
		125
		126	Select and poll make it hard to write efficient servers, especially if the
		127	number of active connections is much lower than the watched ones. GNU/Linux
		128	systems have a more scalable method called "epoll", which EV can use. For
		129	this to work, both your kernel and glibc have to support epoll, but if you
		130	can compile it, the detection will be done at runtime, and EV will safely
		131	fall back to using select when epoll isn't available. If unsure, accept
		132	the default.
		133
		134	EOF
		135
		136	my $can_epoll = have_inc "sys/epoll.h";
		137	$can_epoll = $ENV{EV_EPOLL} if exists $ENV{EV_EPOLL};
		138	$DEFINE .= " -DEV_USE_EPOLL=" . (0 + (prompt ("Enable epoll backend (y/n)?", $can_epoll ? "y" : "n") =~ /[yY]/));
		139
		140	print <<EOF;
		141
		142	* * * * * * * * * * * * * * * * * *
		143
		144
		145	Similarly to the epoll backend above, EV can take advantage of kqueue on
		146	many BSD systems. Support for kqueue will be detected at runtime, with a
		147	safe fallback to other methods when it cannot be used.
		148
		149	Note that kqueue is broken on most operating systems, so by default it
		150	won't be used on many platforms, but you can still create your own event
		151	loop with kqueue backend if you ask specifically for it.
		152
		153	Here is what we know:
		154
		155	NetBSD: partially working in at least 3.1 and later. Yeah! :)
		156	FreeBSD: broken on at least 6.2-STABLE, spotty in later versions,
		157	sockets likely work, ptys definitely don't.
		158	OpenBSD: reports indicate that it likely doesn't work
		159	(similar problems as on FreeBSD).
		160	OS X: completely, utterly broken on at least <= 10.6.
		161
		162	EOF
		163
		164	my $can_kqueue = have_inc "sys/event.h";
		165	$can_kqueue = $ENV{EV_KQUEUE} if exists $ENV{EV_KQUEUE};
		166	$DEFINE .= " -DEV_USE_KQUEUE=" . (0 + (prompt ("Enable kqueue backend (y/n)?", $can_kqueue ? "y" : "n") =~ /[yY]/));
		167
		168	print <<EOF;
		169
		170	* * * * * * * * * * * * * * * * * *
		171
		172
		173	Similarly to the kqueue backend above, EV can take advantage of the
		174	solaris 10 event port interface. Support for event ports will be detected
		175	at runtime, with a safe fallback to other methods when it cannot be used.
		176
		177	EOF
		178
		179	$DEFINE .= " -DEV_USE_PORT=" . (0 + (prompt ("Enable event port backend (y/n)?", (have_inc "sys/port.h") ? "y" : "n") =~ /[yY]/));
		180
		181	print <<EOF;
		182
		183	* * * * * * * * * * * * * * * * * *
		184
		185
		186	EV needs the functions pthread_atfork and clock_gettime. On most systems
		187	you need some special libraries for this (such as -lrt and -lpthread). You
		188	can specify additional libraries to provide these calls (and any other
		189	required by EV) now, or accept the default.
		190
		191	On GNU/Linux systems, EV uses the LSB 3.1 __register_atfork function
		192	to avoid the dependency on libpthread, and directly uses the clock_gettime
		193	syscall to avoid a dependency on librt.
		194
		195	EOF
		196
		197	my $solaris_libs = $^O =~ /solaris/i ? "-lsocket -lnsl" : "";
		198	my $librt = $^O =~ /linux/i ? "" : "-lpthread -lrt";
		199	my $LIBS = exists $ENV{EV_LIBS} ? $ENV{EV_LIBS} : "$librt $solaris_libs";
		200	$LIBS = prompt "Extra libraries for pthread_atfork and clock_gettime?", $LIBS;
		201
		202
		203	print <<EOF;
		204
		205	* * * * * * * * * * * * * * * * * *
		206
		207
		208	A backend of a different kind is the Linux inotify(7) interface, which can
		209	be used to speed up (and reduce resource consumption) of stat watchers. If
		210	you have the include file and libc support for it, it is usually a good
		211	idea to enable it, as kernel availability is detected at runtime.
		212
		213	EOF
		214
		215	my $can_inotify = have_inc "sys/inotify.h";
		216	$can_inotify = $ENV{EV_INOTIFY} if exists $ENV{EV_INOTIFY};
		217	$DEFINE .= " -DEV_USE_INOTIFY=" . (0 + (prompt ("Enable inotify support (y/n)?", $can_inotify ? "y" : "n") =~ /[yY]/));
		218
		219	print <<EOF;
		220
		221	* * * * * * * * * * * * * * * * * *
		222
		223
		224	Another useful bit of functionality is the Linux eventfd, which is useful
		225	for faster signal handling (don't care) and intra-thread communications
		226	(more relevant). Kernel support for this will be probed at runtime, but
		227	your libc must contain the necessary wrapper. Glibc 2.7 and later should
		228	have this wrapper.
		229
		230	EOF
		231
		232	my $can_eventfd = have_inc "sys/eventfd.h";
		233	$can_eventfd = $ENV{EV_EVENTFD} if exists $ENV{EV_EVENTFD};
		234	$DEFINE .= " -DEV_USE_EVENTFD=" . (0 + (prompt ("Enable linux eventfd support (y/n)?", $can_eventfd ? "y" : "n") =~ /[yY]/));
		235
		236	print <<EOF;
		237
		238	* * * * * * * * * * * * * * * * * *
		239
		240
		241	Another sometimes useful bit of functionality is the Linux signalfd, which
		242	is useful for faster signal handling (don't care). Kernel support for
		243	this will be probed at runtime, but your libc must contain the necessary
		244	wrapper. Glibc 2.7 and later should have this wrapper.
		245
		246	EOF
		247
		248	my $can_signalfd = have_inc "sys/signalfd.h";
		249	$can_signalfd = $ENV{EV_SIGNALFD} if exists $ENV{EV_SIGNALFD};
		250	$DEFINE .= " -DEV_USE_SIGNALFD=" . (0 + (prompt ("Enable linux signalfd support (y/n)?", $can_signalfd ? "y" : "n") =~ /[yY]/));
		251
		252	print <<EOF;
		253
		254	* * * * * * * * * * * * * * * * * *
		255
		256
		257	Very rarely, people want to tweak EV even more, e.g. to exclude
		258	or include certain watcher types or backends. This can be done by adding
		259	extra -D options here, or via the EV_EXTRA_DEFS environment variable.
		260
		261	For example, if you run into compile problems because of missing memory
		262	fences (or you just want extra performance), you can tell EV to not support
		263	smp and threads via -DEV_NO_THREADS.
		264
		265	Normal persons just press enter.
		266
		267	EOF
		268
		269	$DEFINE .= " " . prompt "Any extra -D options?", "$ENV{EV_EXTRA_DEFS}";
		270
		271	print <<EOF;
		272
		273	* * * * * * * * * * * * * * * * * *
		274
		275
		276	EOF
		277
		278	my @anyevent = eval { require AnyEvent; $AnyEvent::VERSION < 5.29 } ? (AnyEvent => 5.29) : ();
16		279
17	WriteMakefile(	280	WriteMakefile(
18	dist => {	281	dist => {
19	PREOP => 'pod2text EV.pm \| tee README >$(DISTVNAME)/README; chmod -R u=rwX,go=rX . ;',	282	PREOP => 'pod2text EV.pm \| tee README >$(DISTVNAME)/README; chmod -R u=rwX,go=rX . ;',
20	COMPRESS => 'gzip -9v',	283	COMPRESS => 'gzip -9v',
21	SUFFIX => '.gz',	284	SUFFIX => '.gz',
22	},	285	},
23	LIBS => ["-levent"],	286	depend => {
		287	"EV.c" => "EV/EVAPI.h "
		288	. "libev/ev.c libev/ev.h libev/ev_epoll.c libev/ev_select.c libev/ev_kqueue.c libev/ev_poll.c "
		289	. "libev/ev_vars.h libev/ev_wrap.h",
		290	},
		291	INC => "-Ilibev",
		292	DEFINE => "$DEFINE",
24	NAME => "EV",	293	NAME => "EV",
		294	LIBS => [$LIBS],
		295	PREREQ_PM => {
		296	@anyevent,
		297	"common::sense" => 0,
		298	},
25	VERSION_FROM => "EV.pm",	299	VERSION_FROM => "EV.pm",
26	PM => {	300	PM => {
27	'EV.pm' => '$(INST_LIBDIR)/EV.pm',	301	'EV.pm' => '$(INST_LIB)/EV.pm',
28	'EV/AnyEvent.pm' => '$(INST_LIBDIR)/EV/AnyEvent.pm',
29	'EV/DNS.pm' => '$(INST_LIBDIR)/EV/DNS.pm',
30	'EV/EVAPI.h' => '$(INST_LIBDIR)/EV/EVAPI.h',	302	'EV/EVAPI.h' => '$(INST_LIB)/EV/EVAPI.h',
31	'EV/MakeMaker.pm' => '$(INST_LIBDIR)/EV/MakeMaker.pm',	303	'EV/MakeMaker.pm' => '$(INST_LIB)/EV/MakeMaker.pm',
		304	'libev/ev.h' => '$(INST_LIB)/EV/ev.h',
		305	'libev/ev.pod' => '$(INST_LIB)/EV/libev.pod',
32	},	306	},
		307	MAN3PODS => {
		308	'EV.pm' => '$(INST_MAN3DIR)/EV.$(MAN3EXT)',
		309	'EV/MakeMaker.pm' => '$(INST_MAN3DIR)/EV::MakeMaker.$(MAN3EXT)',
		310	'libev/ev.pod' => '$(INST_MAN3DIR)/EV::libev.$(MAN3EXT)',
		311	},
33	);	312	);
34		313
		314

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Comparing EV/Makefile.PL (file contents): Revision 1.5 by root, Mon Oct 29 08:48:07 2007 UTC vs. Revision 1.55 by root, Sat Sep 6 18:42:18 2014 UTC

Diff Legend

Comparing EV/Makefile.PL (file contents):
Revision 1.5 by root, Mon Oct 29 08:48:07 2007 UTC vs.
Revision 1.55 by root, Sat Sep 6 18:42:18 2014 UTC