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

Comparing EV/Makefile.PL (file contents):
Revision 1.22 by root, Sat Nov 17 01:41:33 2007 UTC vs.
Revision 1.57 by root, Sat Jun 20 11:11:01 2015 UTC

…		…
1	use 5.006;	1	use strict qw(vars subs);
2		2	use Canary::Stability EV => 1, 5.008002;
3	use Config;	3	use Config;
4	use ExtUtils::MakeMaker;	4	use ExtUtils::MakeMaker;
		5
		6	sub have_inc($) {
		7	scalar grep -r "$_/$_[0]", $Config{usrinc}, split / /, $Config{incpth}
		8	}
		9
		10	my $DEFINE;
5		11
6	unless (-e "libev/ev_epoll.c") {	12	unless (-e "libev/ev_epoll.c") {
7	print <<EOF;	13	print <<EOF;
8		14
9	***	15	***
34		40
35	* * * * * * * * * * * * * * * * * *	41	* * * * * * * * * * * * * * * * * *
36		42
37		43
38	POSIX optionally offers support for a monotonic clock source. EV	44	POSIX optionally offers support for a monotonic clock source. EV
39	can take advantage of this clock source to detect time jumps	45	can take advantage of this clock source to detect time jumps more
40	reliably. Unfortunately, some systems are bound to be broken, so you can	46	reliably. Unfortunately, some systems are bound to be broken, so you can
41	disable this here: you can completely disable the detection and use of	47	disable this here: you can completely disable the detection and use of
42	the monotonic clock by answering 'n' here. Support for this clock type	48	the monotonic clock by answering 'n' here. Support for this clock type
43	will otherwise be autodetected at both compile- and runtime.	49	will otherwise be autodetected at both compile- and runtime. (this setting
		50	currently affects the use of nanosleep over select as well).
44		51
45	EOF	52	EOF
46		53
47	$DEFINE .= " -DEV_USE_MONOTONIC=" . (0 + (prompt ("Enable optional support for CLOCK_MONOTONIC (y/n)?", "y") =~ /[yY]/));	54	unless (prompt ("Enable optional support for CLOCK_MONOTONIC (y/n)?", "y") =~ /[yY]/) {
		55	$DEFINE .= " -DEV_USE_MONOTONIC=0";
		56	}
48		57
49	print <<EOF;	58	print <<EOF;
50		59
51	* * * * * * * * * * * * * * * * * *	60	* * * * * * * * * * * * * * * * * *
52		61
53		62
54	POSIX optionally offers support for a (potentially) high-resolution	63	POSIX optionally offers support for a (potentially) high-resolution
55	realtime clock interface. In a good implementation, using it is faster	64	realtime clock interface. In a good implementation, using it is faster
56	than the normal method of using gettimeofday. Unfortunately, this option	65	than the normal method of using gettimeofday. Unfortunately, this option
57	is also bound to be broken on some systems, so you can disable use and	66	is also bound to be broken on some systems, and current EV versions do not
58	probing of this feature altogether here. Otherwise support for this clock	67	actually call gettimeofday very often, so it defaults to no.
59	type will be autodetected at compiletime.
60		68
61	EOF	69	EOF
62		70
63	$DEFINE .= " -DEV_USE_REALTIME=" . (0 + (prompt ("Prefer clock_gettime (CLOCK_REALTIME) over gettimeofday (y/n)?", "y") =~ /[yY]/));	71	$DEFINE .= " -DEV_USE_REALTIME=" . (0 + (prompt ("Prefer clock_gettime (CLOCK_REALTIME) over gettimeofday (y/n)?", "n") =~ /[yY]/));
64		72
65	print <<EOF;	73	print <<EOF;
66		74
67	* * * * * * * * * * * * * * * * * *	75	* * * * * * * * * * * * * * * * * *
68		76
69		77
70	EV can use various backends with various portability issue. The select	78	EV can use various backends with various portability issues. The select
71	backend is the most portable and makes for a good fallback, but it can be	79	backend is the most portable and makes for a good fallback, but it can be
72	limited to a low number of file descriptors and/or might not compile. If	80	limited to a low number of file descriptors and/or might not compile. If
73	you have problems with compiling ev_select.c, you might try to play around	81	you have problems with compiling ev_select.c, you might try to play around
74	with disabling it here, or forcing it to use the fd_set provided by your	82	with disabling it here, or forcing it to use the fd_set provided by your
75	OS, via the next question. I highly recommend keeping it in.	83	OS, via the next question. I highly recommend keeping it in.
…		…
92		100
93	EOF	101	EOF
94		102
95	if (prompt ("Force use of system fd_set for select backend (y/n)?", "n") =~ /[yY]/) {	103	if (prompt ("Force use of system fd_set for select backend (y/n)?", "n") =~ /[yY]/) {
96	$DEFINE .= " -DEV_SELECT_USE_FD_SET";	104	$DEFINE .= " -DEV_SELECT_USE_FD_SET";
97	}	105	}
98	} else {	106	} else {
99	$DEFINE .= " -DEV_USE_SELECT=0";	107	$DEFINE .= " -DEV_USE_SELECT=0";
100	}	108	}
101		109
102	print <<EOF;	110	print <<EOF;
103		111
104	* * * * * * * * * * * * * * * * * *	112	* * * * * * * * * * * * * * * * * *
105		113
…		…
109	doesn't work), but works basically everywhere else. It is recommended to use	117	doesn't work), but works basically everywhere else. It is recommended to use
110	the default here unless you run into compile problems in ev_poll.c.	118	the default here unless you run into compile problems in ev_poll.c.
111		119
112	EOF	120	EOF
113		121
114	$DEFINE .= " -DEV_USE_POLL=" . (0 + (prompt ("Enable poll backend (y/n)?", (-e "/usr/include/poll.h") ? "y" : "n") =~ /[yY]/));	122	$DEFINE .= " -DEV_USE_POLL=" . (0 + (prompt ("Enable poll backend (y/n)?", (have_inc "poll.h") ? "y" : "n") =~ /[yY]/));
115		123
116	print <<EOF;	124	print <<EOF;
117		125
118	* * * * * * * * * * * * * * * * * *	126	* * * * * * * * * * * * * * * * * *
119		127
120		128
121	EV by default uses select, which makes it hard to write efficient servers,	129	Select and poll make it hard to write efficient servers, especially if the
122	especially if the number of active connections is much lower than the open	130	number of active connections is much lower than the watched ones. GNU/Linux
123	ones. GNU/Linux systems have a more scalable method called "epoll", which	131	systems have a more scalable method called "epoll", which EV can use. For
124	EV can use. For this to work, both your kernel and glibc have to support	132	this to work, both your kernel and glibc have to support epoll, but if you
125	epoll, but if you can compile it, the detection will be done at runtime,	133	can compile it, the detection will be done at runtime, and EV will safely
126	and EV will safely fall back to using select when epoll isn't available.	134	fall back to using select when epoll isn't available. If unsure, accept
127	If unsure, accept the default.	135	the default.
128		136
129	EOF	137	EOF
130		138
		139	my $can_epoll = have_inc "sys/epoll.h";
		140	$can_epoll = $ENV{EV_EPOLL} if exists $ENV{EV_EPOLL};
131	$DEFINE .= " -DEV_USE_EPOLL=" . (0 + (prompt ("Enable epoll backend (y/n)?", (-e "/usr/include/sys/epoll.h") ? "y" : "n") =~ /[yY]/));	141	$DEFINE .= " -DEV_USE_EPOLL=" . (0 + (prompt ("Enable epoll backend (y/n)?", $can_epoll ? "y" : "n") =~ /[yY]/));
132		142
133	print <<EOF;	143	print <<EOF;
134		144
135	* * * * * * * * * * * * * * * * * *	145	* * * * * * * * * * * * * * * * * *
136		146
137		147
138	Similarly to the epoll backend above, EV can take advantage of kqueue	148	Similarly to the epoll backend above, EV can take advantage of kqueue on
139	on many BSD systems (it seems to be broken on Mac OS X though, but what	149	many BSD systems. Support for kqueue will be detected at runtime, with a
140	isn't broken on that shoddy platform... ah yes, the cash gushing by apple,	150	safe fallback to other methods when it cannot be used.
141	selling defective software works perfectly there). Support for kqueue will
142	be detected at runtime, with a safe fallback to other methods when it
143	cannot be used.
144		151
145	EOF	152	Note that kqueue is broken on most operating systems, so by default it
		153	won't be used on many platforms, but you can still create your own event
		154	loop with kqueue backend if you ask specifically for it.
146		155
		156	Here is what we know:
		157
		158	NetBSD: partially working in at least 3.1 and later. Yeah! :)
		159	FreeBSD: broken on at least 6.2-STABLE, spotty in later versions,
		160	sockets likely work, ptys definitely don't.
		161	OpenBSD: reports indicate that it likely doesn't work
		162	(similar problems as on FreeBSD).
		163	OS X: completely, utterly broken on at least <= 10.6.
		164
		165	EOF
		166
		167	my $can_kqueue = have_inc "sys/event.h";
		168	$can_kqueue = $ENV{EV_KQUEUE} if exists $ENV{EV_KQUEUE};
147	$DEFINE .= " -DEV_USE_KQUEUE=" . (0 + (prompt ("Enable kqueue backend (y/n)?", (-e "/usr/include/sys/event.h") ? "y" : "n") =~ /[yY]/));	169	$DEFINE .= " -DEV_USE_KQUEUE=" . (0 + (prompt ("Enable kqueue backend (y/n)?", $can_kqueue ? "y" : "n") =~ /[yY]/));
148		170
149	print <<EOF;	171	print <<EOF;
150		172
151	* * * * * * * * * * * * * * * * * *	173	* * * * * * * * * * * * * * * * * *
152		174
153		175
154	Similarly to the kqueue backend above, EV can take advantage of the	176	Similarly to the kqueue backend above, EV can take advantage of the
155	solaris 10 port interface. Support for port will be detected at runtime,	177	solaris 10 event port interface. Support for event ports will be detected
156	with a safe fallback to other methods when it cannot be used.	178	at runtime, with a safe fallback to other methods when it cannot be used.
157		179
158	EOF	180	EOF
159		181
160	$DEFINE .= " -DEV_USE_PORT=" . (0 + (prompt ("Enable port backend (y/n)?", (-e "/usr/include/sys/port.h") ? "y" : "n") =~ /[yY]/));	182	$DEFINE .= " -DEV_USE_PORT=" . (0 + (prompt ("Enable event port backend (y/n)?", (have_inc "sys/port.h") ? "y" : "n") =~ /[yY]/));
161		183
162	print <<EOF;	184	print <<EOF;
163		185
164	* * * * * * * * * * * * * * * * * *	186	* * * * * * * * * * * * * * * * * *
165		187
166		188
167	EV needs the functions pthread_atfork and clock_gettime. On most systems	189	EV needs the functions pthread_atfork and clock_gettime. On most systems
168	you need some special libraries for this (such as -lrt and -lpthread). You	190	you need some special libraries for this (such as -lrt and -lpthread). You
169	can specify additional libraries to provide these calls now, or accept the	191	can specify additional libraries to provide these calls (and any other
170	default.	192	required by EV) now, or accept the default.
171		193
172	EOF	194	On GNU/Linux systems, EV uses the LSB 3.1 __register_atfork function
		195	to avoid the dependency on libpthread, and directly uses the clock_gettime
		196	syscall to avoid a dependency on librt.
173		197
		198	EOF
		199
		200	my $solaris_libs = $^O =~ /solaris/i ? "-lsocket -lnsl" : "";
		201	my $librt = $^O =~ /linux/i ? "" : "-lpthread -lrt";
		202	my $LIBS = exists $ENV{EV_LIBS} ? $ENV{EV_LIBS} : "$librt $solaris_libs";
174	$LIBS = prompt "Extra libraries for pthread_atfork and clock_gettime?", "-lpthread -lrt";	203	$LIBS = prompt "Extra libraries for pthread_atfork and clock_gettime?", $LIBS;
175		204
176		205
177	print <<EOF;	206	print <<EOF;
178		207
179	* * * * * * * * * * * * * * * * * *	208	* * * * * * * * * * * * * * * * * *
180		209
181		210
182	EOF	211	A backend of a different kind is the Linux inotify(7) interface, which can
		212	be used to speed up (and reduce resource consumption) of stat watchers. If
		213	you have the include file and libc support for it, it is usually a good
		214	idea to enable it, as kernel availability is detected at runtime.
183		215
		216	EOF
		217
		218	my $can_inotify = have_inc "sys/inotify.h";
		219	$can_inotify = $ENV{EV_INOTIFY} if exists $ENV{EV_INOTIFY};
		220	$DEFINE .= " -DEV_USE_INOTIFY=" . (0 + (prompt ("Enable inotify support (y/n)?", $can_inotify ? "y" : "n") =~ /[yY]/));
		221
		222	print <<EOF;
		223
		224	* * * * * * * * * * * * * * * * * *
		225
		226
		227	Another useful bit of functionality is the Linux eventfd, which is useful
		228	for faster signal handling (don't care) and intra-thread communications
		229	(more relevant). Kernel support for this will be probed at runtime, but
		230	your libc must contain the necessary wrapper. Glibc 2.7 and later should
		231	have this wrapper.
		232
		233	EOF
		234
		235	my $can_eventfd = have_inc "sys/eventfd.h";
		236	$can_eventfd = $ENV{EV_EVENTFD} if exists $ENV{EV_EVENTFD};
		237	$DEFINE .= " -DEV_USE_EVENTFD=" . (0 + (prompt ("Enable linux eventfd support (y/n)?", $can_eventfd ? "y" : "n") =~ /[yY]/));
		238
		239	print <<EOF;
		240
		241	* * * * * * * * * * * * * * * * * *
		242
		243
		244	Another sometimes useful bit of functionality is the Linux signalfd, which
		245	is useful for faster signal handling (don't care). Kernel support for
		246	this will be probed at runtime, but your libc must contain the necessary
		247	wrapper. Glibc 2.7 and later should have this wrapper.
		248
		249	EOF
		250
		251	my $can_signalfd = have_inc "sys/signalfd.h";
		252	$can_signalfd = $ENV{EV_SIGNALFD} if exists $ENV{EV_SIGNALFD};
		253	$DEFINE .= " -DEV_USE_SIGNALFD=" . (0 + (prompt ("Enable linux signalfd support (y/n)?", $can_signalfd ? "y" : "n") =~ /[yY]/));
		254
		255	print <<EOF;
		256
		257	* * * * * * * * * * * * * * * * * *
		258
		259
		260	Very rarely, people want to tweak EV even more, e.g. to exclude
		261	or include certain watcher types or backends. This can be done by adding
		262	extra -D options here, or via the EV_EXTRA_DEFS environment variable.
		263
		264	For example, if you run into compile problems because of missing memory
		265	fences (or you just want extra performance), you can tell EV to not support
		266	smp and threads via -DEV_NO_THREADS.
		267
		268	Normal persons just press enter.
		269
		270	EOF
		271
		272	$DEFINE .= " " . prompt "Any extra -D options?", "$ENV{EV_EXTRA_DEFS}";
		273
		274	print <<EOF;
		275
		276	* * * * * * * * * * * * * * * * * *
		277
		278
		279	EOF
		280
184	my @anyevent = eval { require AnyEvent; $AnyEvent::VERSION < 2.6 } ? (AnyEvent => 2.6) : ();	281	my @anyevent = eval { require AnyEvent; $AnyEvent::VERSION < 5.29 } ? (AnyEvent => 5.29) : ();
185		282
186	WriteMakefile(	283	WriteMakefile(
187	dist => {	284	dist => {
188	PREOP => 'pod2text EV.pm \| tee README >$(DISTVNAME)/README; chmod -R u=rwX,go=rX . ;',	285	PREOP => 'pod2text EV.pm \| tee README >$(DISTVNAME)/README; chmod -R u=rwX,go=rX . ;',
189	COMPRESS => 'gzip -9v',	286	COMPRESS => 'gzip -9v',
190	SUFFIX => '.gz',	287	SUFFIX => '.gz',
191	},	288	},
192	depend => {	289	depend => {
193	"EV.c" => "EV/EVAPI.h "	290	"EV.c" => "EV/EVAPI.h "
194	. "libev/ev.c libev/ev.h libev/ev_epoll.c libev/ev_select.c libev/ev_kqueue.c libev/ev_poll.c "	291	. "libev/ev.c libev/ev.h libev/ev_epoll.c libev/ev_select.c libev/ev_kqueue.c libev/ev_poll.c "
195	. "libev/event.h libev/event.c evdns.h evdns.c libev/ev_vars.h libev/ev_wrap.h",	292	. "libev/ev_vars.h libev/ev_wrap.h",
196	},	293	},
197	INC => "-Ilibev",	294	INC => "-Ilibev",
198	DEFINE => "$DEFINE",	295	DEFINE => "$DEFINE",
199	NAME => "EV",	296	NAME => "EV",
200	LIBS => [$LIBS],	297	LIBS => [$LIBS],
201	PREREQ_PM => {	298	PREREQ_PM => {
202	@anyevent,	299	@anyevent,
		300	"common::sense" => 0,
203	},	301	},
		302	CONFIGURE_REQUIRES => { "ExtUtils::MakeMaker" => 6.52, "Canary::Stability" => 0 },
204	VERSION_FROM => "EV.pm",	303	VERSION_FROM => "EV.pm",
205	PM => {	304	PM => {
206	'EV.pm' => '$(INST_LIBDIR)/EV.pm',	305	'EV.pm' => '$(INST_LIB)/EV.pm',
207	'EV/DNS.pm' => '$(INST_LIBDIR)/EV/DNS.pm',
208	'EV/EVAPI.h' => '$(INST_LIBDIR)/EV/EVAPI.h',	306	'EV/EVAPI.h' => '$(INST_LIB)/EV/EVAPI.h',
209	'EV/MakeMaker.pm' => '$(INST_LIBDIR)/EV/MakeMaker.pm',	307	'EV/MakeMaker.pm' => '$(INST_LIB)/EV/MakeMaker.pm',
210	'libev/ev.h' => '$(INST_LIBDIR)/EV/ev.h',	308	'libev/ev.h' => '$(INST_LIB)/EV/ev.h',
		309	'libev/ev.pod' => '$(INST_LIB)/EV/libev.pod',
211	},	310	},
		311	MAN3PODS => {
		312	'EV.pm' => '$(INST_MAN3DIR)/EV.$(MAN3EXT)',
		313	'EV/MakeMaker.pm' => '$(INST_MAN3DIR)/EV::MakeMaker.$(MAN3EXT)',
		314	'libev/ev.pod' => '$(INST_MAN3DIR)/EV::libev.$(MAN3EXT)',
		315	},
212	);	316	);
213		317
214		318

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Comparing EV/Makefile.PL (file contents): Revision 1.22 by root, Sat Nov 17 01:41:33 2007 UTC vs. Revision 1.57 by root, Sat Jun 20 11:11:01 2015 UTC

Diff Legend

Comparing EV/Makefile.PL (file contents):
Revision 1.22 by root, Sat Nov 17 01:41:33 2007 UTC vs.
Revision 1.57 by root, Sat Jun 20 11:11:01 2015 UTC