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

Comparing EV/Makefile.PL (file contents):
Revision 1.23 by root, Thu Nov 22 04:52:24 2007 UTC vs.
Revision 1.41 by root, Tue Jul 14 00:09:59 2009 UTC

…		…
1	use 5.006;	1	use 5.006;
2		2
		3	use strict qw(vars subs);
3	use Config;	4	use Config;
4	use ExtUtils::MakeMaker;	5	use ExtUtils::MakeMaker;
5		6
6	unless (-e "libev/ev_epoll.c") {	7	unless (-e "libev/ev_epoll.c") {
7	print <<EOF;	8	print <<EOF;
38	POSIX optionally offers support for a monotonic clock source. EV	39	POSIX optionally offers support for a monotonic clock source. EV
39	can take advantage of this clock source to detect time jumps	40	can take advantage of this clock source to detect time jumps
40	reliably. Unfortunately, some systems are bound to be broken, so you can	41	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	42	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	43	the monotonic clock by answering 'n' here. Support for this clock type
43	will otherwise be autodetected at both compile- and runtime.	44	will otherwise be autodetected at both compile- and runtime. (this setting
		45	currently affects the use of nanosleep over select as well).
44		46
45	EOF	47	EOF
46		48
47	$DEFINE .= " -DEV_USE_MONOTONIC=" . (0 + (prompt ("Enable optional support for CLOCK_MONOTONIC (y/n)?", "y") =~ /[yY]/));	49	my $DEFINE .= " -DEV_USE_MONOTONIC=" . (0 + (prompt ("Enable optional support for CLOCK_MONOTONIC (y/n)?", "y") =~ /[yY]/));
48		50
49	print <<EOF;	51	print <<EOF;
50		52
51	* * * * * * * * * * * * * * * * * *	53	* * * * * * * * * * * * * * * * * *
52		54
53		55
54	POSIX optionally offers support for a (potentially) high-resolution	56	POSIX optionally offers support for a (potentially) high-resolution
55	realtime clock interface. In a good implementation, using it is faster	57	realtime clock interface. In a good implementation, using it is faster
56	than the normal method of using gettimeofday. Unfortunately, this option	58	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	59	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	60	actually call C<gettimeofday> very often, so ti defaults to no.
59	type will be autodetected at compiletime.
60		61
61	EOF	62	EOF
62		63
63	$DEFINE .= " -DEV_USE_REALTIME=" . (0 + (prompt ("Prefer clock_gettime (CLOCK_REALTIME) over gettimeofday (y/n)?", "y") =~ /[yY]/));	64	$DEFINE .= " -DEV_USE_REALTIME=" . (0 + (prompt ("Prefer clock_gettime (CLOCK_REALTIME) over gettimeofday (y/n)?", "n") =~ /[yY]/));
64		65
65	print <<EOF;	66	print <<EOF;
66		67
67	* * * * * * * * * * * * * * * * * *	68	* * * * * * * * * * * * * * * * * *
68		69
…		…
116	print <<EOF;	117	print <<EOF;
117		118
118	* * * * * * * * * * * * * * * * * *	119	* * * * * * * * * * * * * * * * * *
119		120
120		121
121	EV by default uses select, which makes it hard to write efficient servers,	122	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	123	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	124	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	125	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,	126	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.	127	fall back to using select when epoll isn't available. If unsure, accept
127	If unsure, accept the default.	128	the default.
128		129
129	EOF	130	EOF
130		131
		132	my $can_epoll = -e "/usr/include/sys/epoll.h";
		133	$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]/));	134	$DEFINE .= " -DEV_USE_EPOLL=" . (0 + (prompt ("Enable epoll backend (y/n)?", $can_epoll ? "y" : "n") =~ /[yY]/));
132		135
133	print <<EOF;	136	print <<EOF;
134		137
135	* * * * * * * * * * * * * * * * * *	138	* * * * * * * * * * * * * * * * * *
136		139
137		140
138	Similarly to the epoll backend above, EV can take advantage of kqueue on	141	Similarly to the epoll backend above, EV can take advantage of kqueue on
139	many BSD systems. Support for kqueue will be detected at runtime, with a	142	many BSD systems. Support for kqueue will be detected at runtime, with a
140	safe fallback to other methods when it cannot be used.	143	safe fallback to other methods when it cannot be used.
141		144
142	Note that kqueue is broken on most operating systems, so it defaults to	145	Note that kqueue is broken on most operating systems, so by default it
143	'n' on most platforms that claim to support it. Here is what we know:	146	won't be used on many platforms, but you can still create your own event
		147	loop with kqueue backend if you ask specifically for it.
144		148
145	OS X: completely, utterly broken on at least <= 10.5.	149	Here is what we know:
		150
		151	NetBSD: partially working in at least 3.1. Yeah! :)
146	FreeBSD: broken on at least <= 6.2-STABLE,	152	FreeBSD: broken on at least 6.2-STABLE,
147	sockets and pipes might work, ptys definitely don't.	153	sockets likely work, ptys definitely don't.
148	NetBSD: reports indicate that it likely WORKS. Yeah! :)
149	OpenBSD: reports indicate that it likely doesn't work	154	OpenBSD: reports indicate that it likely doesn't work
150	(similar problems as on FreeBSD).	155	(similar problems as on FreeBSD).
		156	OS X: completely, utterly broken on at least < 10.5.
151		157
152	EOF	158	EOF
153		159
154	my $can_kqueue = $^O =~ /netbsd/i && -e "/usr/include/sys/event.h";	160	my $can_kqueue = -e "/usr/include/sys/event.h";
155		161	$can_kqueue = $ENV{EV_KQUEUE} if exists $ENV{EV_KQUEUE};
156	$DEFINE .= " -DEV_USE_KQUEUE=" . (0 + (prompt ("Enable kqueue backend (y/n)?", $can_kqueue ? "y" : "n") =~ /[yY]/));	162	$DEFINE .= " -DEV_USE_KQUEUE=" . (0 + (prompt ("Enable kqueue backend (y/n)?", $can_kqueue ? "y" : "n") =~ /[yY]/));
157		163
158	print <<EOF;	164	print <<EOF;
159		165
160	* * * * * * * * * * * * * * * * * *	166	* * * * * * * * * * * * * * * * * *
161		167
162		168
163	Similarly to the kqueue backend above, EV can take advantage of the	169	Similarly to the kqueue backend above, EV can take advantage of the
164	solaris 10 port interface. Support for port will be detected at runtime,	170	solaris 10 event port interface. Support for event ports will be detected
165	with a safe fallback to other methods when it cannot be used.	171	at runtime, with a safe fallback to other methods when it cannot be used.
166		172
167	EOF	173	EOF
168		174
169	$DEFINE .= " -DEV_USE_PORT=" . (0 + (prompt ("Enable port backend (y/n)?", (-e "/usr/include/sys/port.h") ? "y" : "n") =~ /[yY]/));	175	$DEFINE .= " -DEV_USE_PORT=" . (0 + (prompt ("Enable event port backend (y/n)?", (-e "/usr/include/sys/port.h") ? "y" : "n") =~ /[yY]/));
170		176
171	print <<EOF;	177	print <<EOF;
172		178
173	* * * * * * * * * * * * * * * * * *	179	* * * * * * * * * * * * * * * * * *
174		180
…		…
178	can specify additional libraries to provide these calls (and any other	184	can specify additional libraries to provide these calls (and any other
179	required by EV) now, or accept the default.	185	required by EV) now, or accept the default.
180		186
181	EOF	187	EOF
182		188
183	$SOLARIS_LIBS = $^O =~ /solaris/ ? " -lsocket -lnsl" : "";	189	my $solaris_libs = $^O =~ /solaris/i ? "-lsocket -lnsl" : "";
184		190	my $librt = $^O =~ /linux/i ? "-lpthread" : "-lpthread -lrt";
185	$LIBS = prompt "Extra libraries for pthread_atfork and clock_gettime?", "-lpthread -lrt$SOLARIS_LIBS";	191	my $LIBS = prompt "Extra libraries for pthread_atfork and clock_gettime?", "$librt $solaris_libs";
186		192
		193
		194	print <<EOF;
		195
		196	* * * * * * * * * * * * * * * * * *
		197
		198
		199	A backend of a different kind is the Linux inotify(7) interface, which can
		200	be used to speed up (and reduce resource consumption) of stat watchers. If
		201	you have the include file and libc support for it, it is usually a good
		202	idea to enable it, as kernel availability is detected at runtime.
		203
		204	EOF
		205
		206	my $can_inotify = -e "/usr/include/sys/inotify.h";
		207	$can_inotify = $ENV{EV_INOTIFY} if exists $ENV{EV_INOTIFY};
		208	$DEFINE .= " -DEV_USE_INOTIFY=" . (0 + (prompt ("Enable inotify support (y/n)?", $can_inotify ? "y" : "n") =~ /[yY]/));
		209
		210	print <<EOF;
		211
		212	* * * * * * * * * * * * * * * * * *
		213
		214
		215	Another useful bit of functionality is the Linux eventfd, which is useful
		216	for faster signal handling (don't care) and intra-thread communications
		217	(more relevant). Kernel support for this will be probed at runtime, but
		218	your libc must contain the necessary wrapper. Glibc 2.7 and later should
		219	have this wrapper.
		220
		221	EOF
		222
		223	my $can_eventfd = -e "/usr/include/sys/eventfd.h";
		224	$can_eventfd = $ENV{EV_EVENTFD} if exists $ENV{EV_EVENTFD};
		225	$DEFINE .= " -DEV_USE_EVENTFD=" . (0 + (prompt ("Enable linux eventfd support (y/n)?", $can_eventfd ? "y" : "n") =~ /[yY]/));
187		226
188	print <<EOF;	227	print <<EOF;
189		228
190	* * * * * * * * * * * * * * * * * *	229	* * * * * * * * * * * * * * * * * *
191		230
…		…
201	SUFFIX => '.gz',	240	SUFFIX => '.gz',
202	},	241	},
203	depend => {	242	depend => {
204	"EV.c" => "EV/EVAPI.h "	243	"EV.c" => "EV/EVAPI.h "
205	. "libev/ev.c libev/ev.h libev/ev_epoll.c libev/ev_select.c libev/ev_kqueue.c libev/ev_poll.c "	244	. "libev/ev.c libev/ev.h libev/ev_epoll.c libev/ev_select.c libev/ev_kqueue.c libev/ev_poll.c "
206	. "libev/event.h libev/event.c evdns.h evdns.c libev/ev_vars.h libev/ev_wrap.h",	245	. "libev/ev_vars.h libev/ev_wrap.h",
207	},	246	},
208	INC => "-Ilibev",	247	INC => "-Ilibev",
209	DEFINE => "$DEFINE",	248	DEFINE => "$DEFINE",
210	NAME => "EV",	249	NAME => "EV",
211	LIBS => [$LIBS],	250	LIBS => [$LIBS],
212	PREREQ_PM => {	251	PREREQ_PM => {
213	@anyevent,	252	@anyevent,
		253	"common::sense" => 0,
214	},	254	},
215	VERSION_FROM => "EV.pm",	255	VERSION_FROM => "EV.pm",
216	PM => {	256	PM => {
217	'EV.pm' => '$(INST_LIBDIR)/EV.pm',	257	'EV.pm' => '$(INST_LIBDIR)/EV.pm',
218	'EV/DNS.pm' => '$(INST_LIBDIR)/EV/DNS.pm',
219	'EV/EVAPI.h' => '$(INST_LIBDIR)/EV/EVAPI.h',	258	'EV/EVAPI.h' => '$(INST_LIBDIR)/EV/EVAPI.h',
220	'EV/MakeMaker.pm' => '$(INST_LIBDIR)/EV/MakeMaker.pm',	259	'EV/MakeMaker.pm' => '$(INST_LIBDIR)/EV/MakeMaker.pm',
221	'libev/ev.h' => '$(INST_LIBDIR)/EV/ev.h',	260	'libev/ev.h' => '$(INST_LIBDIR)/EV/ev.h',
		261	'libev/ev.pod' => '$(INST_LIBDIR)/EV/libev.pod',
222	},	262	},
		263	MAN3PODS => {
		264	'EV.pm' => '$(INST_MAN3DIR)/EV.$(MAN3EXT)',
		265	'EV/MakeMaker.pm' => '$(INST_MAN3DIR)/EV::MakeMaker.$(MAN3EXT)',
		266	'libev/ev.pod' => '$(INST_MAN3DIR)/EV::libev.$(MAN3EXT)',
		267	},
223	);	268	);
224		269
225		270

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Comparing EV/Makefile.PL (file contents): Revision 1.23 by root, Thu Nov 22 04:52:24 2007 UTC vs. Revision 1.41 by root, Tue Jul 14 00:09:59 2009 UTC

Diff Legend

Comparing EV/Makefile.PL (file contents):
Revision 1.23 by root, Thu Nov 22 04:52:24 2007 UTC vs.
Revision 1.41 by root, Tue Jul 14 00:09:59 2009 UTC