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

Comparing EV/Makefile.PL (file contents):
Revision 1.21 by root, Fri Nov 16 01:46:26 2007 UTC vs.
Revision 1.34 by root, Thu Oct 2 12:26:25 2008 UTC

…		…
16	exit 1;	16	exit 1;
17	}	17	}
18		18
19	print <<EOF;	19	print <<EOF;
20		20
21
22	* * * * * * * * * * * * * * * * * *	21	* * * * * * * * * * * * * * * * * *
		22
23		23
24	Welcome to EV configuration. If you are in a hurry, just press return here	24	Welcome to EV configuration. If you are in a hurry, just press return here
25	and hope for the best. The defaults should usually do.	25	and hope for the best. The defaults should usually do.
26		26
27	EOF	27	EOF
…		…
30	$ENV{PERL_MM_USE_DEFAULT} = 1;	30	$ENV{PERL_MM_USE_DEFAULT} = 1;
31	}	31	}
32		32
33	print <<EOF;	33	print <<EOF;
34		34
35
36	* * * * * * * * * * * * * * * * * *	35	* * * * * * * * * * * * * * * * * *
		36
37		37
38	POSIX optionally offers support for a monotonic clock source. EV	38	POSIX optionally offers support for a monotonic clock source. EV
39	can take advantage of this clock source to detect time jumps	39	can take advantage of this clock source to detect time jumps
40	reliably. Unfortunately, some systems are bound to be broken, so you can	40	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	41	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	42	the monotonic clock by answering 'n' here. Support for this clock type
43	will otherwise be autodetected at both compile- and runtime.	43	will otherwise be autodetected at both compile- and runtime. (this setting
		44	currently affects the use of nanosleep over select as well).
44		45
45	EOF	46	EOF
46		47
47	if (prompt ("Enable optional support for CLOCK_MONOTONIC (y/n)?", "y") =~ /[yY]/) {	48	$DEFINE .= " -DEV_USE_MONOTONIC=" . (0 + (prompt ("Enable optional support for CLOCK_MONOTONIC (y/n)?", "y") =~ /[yY]/));
48	$DEFINE .= " -DEV_USE_MONOTONIC";
49	}
50		49
51	print <<EOF;	50	print <<EOF;
52		51
53
54	* * * * * * * * * * * * * * * * * *	52	* * * * * * * * * * * * * * * * * *
		53
55		54
56	POSIX optionally offers support for a (potentially) high-resolution	55	POSIX optionally offers support for a (potentially) high-resolution
57	realtime clock interface. In a good implementation, using it is faster	56	realtime clock interface. In a good implementation, using it is faster
58	than the normal method of using gettimeofday. Unfortunately, this option	57	than the normal method of using gettimeofday. Unfortunately, this option
59	is also bound to be broken on some systems, so you can disable use and	58	is also bound to be broken on some systems, so you can disable use and
60	probing of this feature altogether here. Otherwise support for this clock	59	probing of this feature altogether here. Otherwise support for this clock
61	type will be autodetected at compiletime.	60	type will be autodetected at compiletime.
62		61
63	EOF	62	EOF
64		63
65	if (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)?", "y") =~ /[yY]/));
66	$DEFINE .= " -DEV_USE_REALTIME=0";
67	}
68		65
69	print <<EOF;	66	print <<EOF;
70		67
71
72	* * * * * * * * * * * * * * * * * *	68	* * * * * * * * * * * * * * * * * *
		69
		70
		71	Another useful bit of functionality is the Linux eventfd, which is useful
		72	for faster signal handling (don't care) and intra-thread communications
		73	(mostly useful for embedding). Kernel support for this will be probed at
		74	runtime, but your libc must contain the necessary wrapper. Glibc 2.7 and
		75	later should have this wrapper.
		76
		77	EOF
		78
		79	$DEFINE .= " -DEV_USE_EVENTFD=" . (0 + (prompt ("Enable linux eventfd support (y/n)?", (-e "/usr/include/sys/eventfd.h") \|\| $ENV{EV_EVENTFD} ? "y" : "n") =~ /[yY]/));
		80
		81	print <<EOF;
		82
		83	* * * * * * * * * * * * * * * * * *
		84
73		85
74	EV can use various backends with various portability issue. The select	86	EV can use various backends with various portability issue. The select
75	backend is the most portable and makes for a good fallback, but it can be	87	backend is the most portable and makes for a good fallback, but it can be
76	limited to a low number of file descriptors and/or might not compile. If	88	limited to a low number of file descriptors and/or might not compile. If
77	you have problems with compiling ev_select., you might try to play around	89	you have problems with compiling ev_select.c, you might try to play around
78	with disabling it here, or forcing it to use the fd_set provided by your	90	with disabling it here, or forcing it to use the fd_set provided by your
79	OS, via the next question. I highly recommend keeping it in.	91	OS, via the next question. I highly recommend keeping it in.
80		92
81	EOF	93	EOF
82		94
83	if (prompt ("Enable select backend (y/n)?", "y") =~ /[yY]/) {	95	if (prompt ("Enable select backend (y/n)?", "y") =~ /[yY]/) {
84	$DEFINE .= " -DEV_USE_SELECT";	96	$DEFINE .= " -DEV_USE_SELECT=1";
85		97
86	print <<EOF;	98	print <<EOF;
87		99
88
89	* * * * * * * * * * * * * * * * * *	100	* * * * * * * * * * * * * * * * * *
		101
90		102
91	The select backend can operate in two modes. One uses the system-provided	103	The select backend can operate in two modes. One uses the system-provided
92	fd_set and is usually limited to 1024 file descriptors (64 on windows),	104	fd_set and is usually limited to 1024 file descriptors (64 on windows),
93	the other requires your header files to define NFDBITS and declare a	105	the other requires your header files to define NFDBITS and declare a
94	suitable fd_mask type. If you run into problems compiling ev_select.c, you	106	suitable fd_mask type. If you run into problems compiling ev_select.c, you
…		…
97	EOF	109	EOF
98		110
99	if (prompt ("Force use of system fd_set for select backend (y/n)?", "n") =~ /[yY]/) {	111	if (prompt ("Force use of system fd_set for select backend (y/n)?", "n") =~ /[yY]/) {
100	$DEFINE .= " -DEV_SELECT_USE_FD_SET";	112	$DEFINE .= " -DEV_SELECT_USE_FD_SET";
101	}	113	}
		114	} else {
		115	$DEFINE .= " -DEV_USE_SELECT=0";
102	}	116	}
103		117
104	print <<EOF;	118	print <<EOF;
105		119
106
107	* * * * * * * * * * * * * * * * * *	120	* * * * * * * * * * * * * * * * * *
		121
108		122
109	The second very portable backend is poll(2). It does not exist on windows	123	The second very portable backend is poll(2). It does not exist on windows
110	and various versions of Mac OS X (and on the other versions it simply	124	and various versions of Mac OS X (and on the other versions it simply
111	doesn't work), but works basically everywhere else. It is recommended to use	125	doesn't work), but works basically everywhere else. It is recommended to use
112	the default here unless you run into compile problems in ev_poll.c.	126	the default here unless you run into compile problems in ev_poll.c.
113		127
114	EOF	128	EOF
115		129
116	if (prompt ("Enable poll backend (y/n)?", (-e "/usr/include/poll.h") ? "y" : "n") =~ /[yY]/) {	130	$DEFINE .= " -DEV_USE_POLL=" . (0 + (prompt ("Enable poll backend (y/n)?", (-e "/usr/include/poll.h") ? "y" : "n") =~ /[yY]/));
117	$DEFINE .= " -DEV_USE_POLL";
118	}
119		131
120	print <<EOF;	132	print <<EOF;
121		133
122
123	* * * * * * * * * * * * * * * * * *	134	* * * * * * * * * * * * * * * * * *
124		135
125	EV by default uses select, which makes it hard to write efficient servers,	136
126	especially if the number of active conencitons is much lower than the open	137	Select and poll make it hard to write efficient servers, especially if the
		138	number of active connections is much lower than the watched ones. GNU/Linux
127	ones. GNU/Linux systems have a more scalable method called "epoll", which	139	systems have a more scalable method called "epoll", which EV can use. For
128	EV can use. For this to work, both your kernel and glibc have to support	140	this to work, both your kernel and glibc have to support epoll, but if you
129	epoll, but if you can compile it, the detection will be done at runtime,	141	can compile it, the detection will be done at runtime, and EV will safely
130	and EV will safely fall back to using select when epoll isn't available.	142	fall back to using select when epoll isn't available. If unsure, accept
131	If unsure, accept the default.	143	the default.
132		144
133	EOF	145	EOF
134		146
135	if (prompt ("Enable epoll backend (y/n)?", (-e "/usr/include/sys/epoll.h") ? "y" : "n") =~ /[yY]/) {	147	$DEFINE .= " -DEV_USE_EPOLL=" . (0 + (prompt ("Enable epoll backend (y/n)?", (-e "/usr/include/sys/epoll.h") ? "y" : "n") =~ /[yY]/));
136	$DEFINE .= " -DEV_USE_EPOLL";
137	}
138		148
139	print <<EOF;	149	print <<EOF;
140		150
141
142	* * * * * * * * * * * * * * * * * *	151	* * * * * * * * * * * * * * * * * *
143		152
		153
144	Similarly to the epoll backend above, EV can take advantage of kqueue	154	Similarly to the epoll backend above, EV can take advantage of kqueue on
145	on many BSD systems (it seems to be broken on Mac OS X though, but what	155	many BSD systems. Support for kqueue will be detected at runtime, with a
146	isn't broken on that shoddy platform... ah yes, the cash gushing by apple,	156	safe fallback to other methods when it cannot be used.
147	selling defective software works perfectly there). Support for kqueue will
148	be detected at runtime, with a safe fallback to other methods when it
149	cannot be used.
150		157
151	EOF	158	Note that kqueue is broken on most operating systems, so by default it
		159	won't be used on many platforms, but you can still create your own event
		160	loop with qkueue backend.
152		161
153	if (prompt ("Enable kqueue backend (y/n)?", (-e "/usr/include/sys/event.h") ? "y" : "n") =~ /[yY]/) {	162	Here is what we know:
154	$DEFINE .= " -DEV_USE_KQUEUE";
155	}
156		163
157	print <<EOF;	164	NetBSD: partially working in at least 3.1. Yeah! :)
		165	FreeBSD: broken on at least 6.2-STABLE,
		166	sockets likely work, ptys definitely don't.
		167	OpenBSD: reports indicate that it likely doesn't work
		168	(similar problems as on FreeBSD).
		169	OS X: completely, utterly broken on at least < 10.5.
158		170
		171	EOF
159		172
		173	my $can_kqueue = -e "/usr/include/sys/event.h";
		174
		175	$DEFINE .= " -DEV_USE_KQUEUE=" . (0 + (prompt ("Enable kqueue backend (y/n)?", $can_kqueue ? "y" : "n") =~ /[yY]/));
		176
		177	print <<EOF;
		178
160	* * * * * * * * * * * * * * * * * *	179	* * * * * * * * * * * * * * * * * *
		180
161		181
162	Similarly to the kqueue backend above, EV can take advantage of the	182	Similarly to the kqueue backend above, EV can take advantage of the
163	solaris 10 port interface. Support for port will be detected at runtime,	183	solaris 10 event port interface. Support for event ports will be detected
164	with a safe fallback to other methods when it cannot be used.	184	at runtime, with a safe fallback to other methods when it cannot be used.
165		185
166	EOF	186	EOF
167		187
168	if (prompt ("Enable port backend (y/n)?", (-e "/usr/include/sys/port.h") ? "y" : "n") =~ /[yY]/) {	188	$DEFINE .= " -DEV_USE_PORT=" . (0 + (prompt ("Enable event port backend (y/n)?", (-e "/usr/include/sys/port.h") ? "y" : "n") =~ /[yY]/));
169	$DEFINE .= " -DEV_USE_PORT";
170	}
171		189
172	print <<EOF;	190	print <<EOF;
173		191
174
175	* * * * * * * * * * * * * * * * * *	192	* * * * * * * * * * * * * * * * * *
		193
176		194
177	EV needs the functions pthread_atfork and clock_gettime. On most systems	195	EV needs the functions pthread_atfork and clock_gettime. On most systems
178	you need some special libraries for this (such as -lrt and -lpthread). You	196	you need some special libraries for this (such as -lrt and -lpthread). You
179	can specify additional libraries to provide these calls now, or accept the	197	can specify additional libraries to provide these calls (and any other
180	default.	198	required by EV) now, or accept the default.
181		199
182	EOF	200	EOF
183		201
		202	$SOLARIS_LIBS = $^O =~ /solaris/ ? " -lsocket -lnsl" : "";
		203
184	$LIBS = prompt "Extra libraries for pthread_atfork and clock_gettime?", "-lpthread -lrt";	204	$LIBS = prompt "Extra libraries for pthread_atfork and clock_gettime?", "-lpthread -lrt$SOLARIS_LIBS";
185		205
186		206
187	print <<EOF;	207	print <<EOF;
188		208
189
190	* * * * * * * * * * * * * * * * * *	209	* * * * * * * * * * * * * * * * * *
		210
		211
		212	A backend of a different kind is the Linux inotify(7) interface, which can
		213	be used to speed up (and reduce resource consumption) of stat watchers. If
		214	you have it, it is usually a good idea to enable it.
		215
		216	EOF
		217
		218	my $can_inotify = -e "/usr/include/sys/inotify.h";
		219
		220	$DEFINE .= " -DEV_USE_INOTIFY=" . (0 + (prompt ("Enable inotify support (y/n)?", $can_inotify ? "y" : "n") =~ /[yY]/));
		221
		222	print <<EOF;
		223
		224	* * * * * * * * * * * * * * * * * *
		225
191		226
192	EOF	227	EOF
193		228
194	my @anyevent = eval { require AnyEvent; $AnyEvent::VERSION < 2.6 } ? (AnyEvent => 2.6) : ();	229	my @anyevent = eval { require AnyEvent; $AnyEvent::VERSION < 2.6 } ? (AnyEvent => 2.6) : ();
195		230
…		…
200	SUFFIX => '.gz',	235	SUFFIX => '.gz',
201	},	236	},
202	depend => {	237	depend => {
203	"EV.c" => "EV/EVAPI.h "	238	"EV.c" => "EV/EVAPI.h "
204	. "libev/ev.c libev/ev.h libev/ev_epoll.c libev/ev_select.c libev/ev_kqueue.c libev/ev_poll.c "	239	. "libev/ev.c libev/ev.h libev/ev_epoll.c libev/ev_select.c libev/ev_kqueue.c libev/ev_poll.c "
205	. "libev/event.h libev/event.c evdns.h evdns.c libev/ev_vars.h libev/ev_wrap.h",	240	. "libev/ev_vars.h libev/ev_wrap.h",
206	},	241	},
207	INC => "-Ilibev",	242	INC => "-Ilibev",
208	DEFINE => "$DEFINE",	243	DEFINE => "$DEFINE",
209	NAME => "EV",	244	NAME => "EV",
210	LIBS => [$LIBS],	245	LIBS => [$LIBS],
…		…
212	@anyevent,	247	@anyevent,
213	},	248	},
214	VERSION_FROM => "EV.pm",	249	VERSION_FROM => "EV.pm",
215	PM => {	250	PM => {
216	'EV.pm' => '$(INST_LIBDIR)/EV.pm',	251	'EV.pm' => '$(INST_LIBDIR)/EV.pm',
217	'EV/DNS.pm' => '$(INST_LIBDIR)/EV/DNS.pm',
218	'EV/EVAPI.h' => '$(INST_LIBDIR)/EV/EVAPI.h',	252	'EV/EVAPI.h' => '$(INST_LIBDIR)/EV/EVAPI.h',
219	'EV/MakeMaker.pm' => '$(INST_LIBDIR)/EV/MakeMaker.pm',	253	'EV/MakeMaker.pm' => '$(INST_LIBDIR)/EV/MakeMaker.pm',
220	'libev/ev.h' => '$(INST_LIBDIR)/EV/ev.h',	254	'libev/ev.h' => '$(INST_LIBDIR)/EV/ev.h',
		255	'libev/ev.pod' => '$(INST_LIBDIR)/EV/c_doc.pod',
221	},	256	},
		257	MAN3PODS => {
		258	'EV.pm' => '$(INST_MAN3DIR)/EV.$(MAN3EXT)',
		259	'EV/MakeMaker.pm' => '$(INST_MAN3DIR)/EV::MakeMaker.$(MAN3EXT)',
		260	'libev/ev.pod' => '$(INST_MAN3DIR)/EV::c_doc.$(MAN3EXT)',
		261	},
222	);	262	);
223		263
224		264

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Comparing EV/Makefile.PL (file contents): Revision 1.21 by root, Fri Nov 16 01:46:26 2007 UTC vs. Revision 1.34 by root, Thu Oct 2 12:26:25 2008 UTC

Diff Legend

Comparing EV/Makefile.PL (file contents):
Revision 1.21 by root, Fri Nov 16 01:46:26 2007 UTC vs.
Revision 1.34 by root, Thu Oct 2 12:26:25 2008 UTC