[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 1.36 by root, Wed Oct 29 17:41:11 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
73		70
74	EV can use various backends with various portability issue. The select	71	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	72	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	73	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	74	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	75	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.	76	OS, via the next question. I highly recommend keeping it in.
80		77
81	EOF	78	EOF
82		79
83	if (prompt ("Enable select backend (y/n)?", "y") =~ /[yY]/) {	80	if (prompt ("Enable select backend (y/n)?", "y") =~ /[yY]/) {
84	$DEFINE .= " -DEV_USE_SELECT";	81	$DEFINE .= " -DEV_USE_SELECT=1";
85		82
86	print <<EOF;	83	print <<EOF;
87		84
88
89	* * * * * * * * * * * * * * * * * *	85	* * * * * * * * * * * * * * * * * *
		86
90		87
91	The select backend can operate in two modes. One uses the system-provided	88	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),	89	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	90	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	91	suitable fd_mask type. If you run into problems compiling ev_select.c, you
…		…
97	EOF	94	EOF
98		95
99	if (prompt ("Force use of system fd_set for select backend (y/n)?", "n") =~ /[yY]/) {	96	if (prompt ("Force use of system fd_set for select backend (y/n)?", "n") =~ /[yY]/) {
100	$DEFINE .= " -DEV_SELECT_USE_FD_SET";	97	$DEFINE .= " -DEV_SELECT_USE_FD_SET";
101	}	98	}
		99	} else {
		100	$DEFINE .= " -DEV_USE_SELECT=0";
102	}	101	}
103		102
104	print <<EOF;	103	print <<EOF;
105		104
106
107	* * * * * * * * * * * * * * * * * *	105	* * * * * * * * * * * * * * * * * *
		106
108		107
109	The second very portable backend is poll(2). It does not exist on windows	108	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	109	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	110	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.	111	the default here unless you run into compile problems in ev_poll.c.
113		112
114	EOF	113	EOF
115		114
116	if (prompt ("Enable poll backend (y/n)?", (-e "/usr/include/poll.h") ? "y" : "n") =~ /[yY]/) {	115	$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		116
120	print <<EOF;	117	print <<EOF;
121		118
122
123	* * * * * * * * * * * * * * * * * *	119	* * * * * * * * * * * * * * * * * *
124		120
125	EV by default uses select, which makes it hard to write efficient servers,	121
126	especially if the number of active conencitons is much lower than the open	122	Select and poll make it hard to write efficient servers, especially if the
		123	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	124	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	125	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,	126	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.	127	fall back to using select when epoll isn't available. If unsure, accept
131	If unsure, accept the default.	128	the default.
132		129
133	EOF	130	EOF
134		131
135	if (prompt ("Enable epoll backend (y/n)?", (-e "/usr/include/sys/epoll.h") ? "y" : "n") =~ /[yY]/) {	132	$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		133
139	print <<EOF;	134	print <<EOF;
140		135
141
142	* * * * * * * * * * * * * * * * * *	136	* * * * * * * * * * * * * * * * * *
143		137
		138
144	Similarly to the epoll backend above, EV can take advantage of kqueue	139	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	140	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,	141	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		142
151	EOF	143	Note that kqueue is broken on most operating systems, so by default it
		144	won't be used on many platforms, but you can still create your own event
		145	loop with qkueue backend.
152		146
153	if (prompt ("Enable kqueue backend (y/n)?", (-e "/usr/include/sys/event.h") ? "y" : "n") =~ /[yY]/) {	147	Here is what we know:
154	$DEFINE .= " -DEV_USE_KQUEUE";
155	}
156		148
157	print <<EOF;	149	NetBSD: partially working in at least 3.1. Yeah! :)
		150	FreeBSD: broken on at least 6.2-STABLE,
		151	sockets likely work, ptys definitely don't.
		152	OpenBSD: reports indicate that it likely doesn't work
		153	(similar problems as on FreeBSD).
		154	OS X: completely, utterly broken on at least < 10.5.
158		155
		156	EOF
159		157
		158	my $can_kqueue = -e "/usr/include/sys/event.h";
		159
		160	$DEFINE .= " -DEV_USE_KQUEUE=" . (0 + (prompt ("Enable kqueue backend (y/n)?", $can_kqueue ? "y" : "n") =~ /[yY]/));
		161
		162	print <<EOF;
		163
160	* * * * * * * * * * * * * * * * * *	164	* * * * * * * * * * * * * * * * * *
		165
161		166
162	Similarly to the kqueue backend above, EV can take advantage of the	167	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,	168	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.	169	at runtime, with a safe fallback to other methods when it cannot be used.
165		170
166	EOF	171	EOF
167		172
168	if (prompt ("Enable port backend (y/n)?", (-e "/usr/include/sys/port.h") ? "y" : "n") =~ /[yY]/) {	173	$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		174
172	print <<EOF;	175	print <<EOF;
173		176
174
175	* * * * * * * * * * * * * * * * * *	177	* * * * * * * * * * * * * * * * * *
		178
176		179
177	EV needs the functions pthread_atfork and clock_gettime. On most systems	180	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	181	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	182	can specify additional libraries to provide these calls (and any other
180	default.	183	required by EV) now, or accept the default.
181		184
182	EOF	185	EOF
183		186
		187	$SOLARIS_LIBS = $^O =~ /solaris/ ? " -lsocket -lnsl" : "";
		188
184	$LIBS = prompt "Extra libraries for pthread_atfork and clock_gettime?", "-lpthread -lrt";	189	$LIBS = prompt "Extra libraries for pthread_atfork and clock_gettime?", "-lpthread -lrt$SOLARIS_LIBS";
185		190
186		191
187	print <<EOF;	192	print <<EOF;
188		193
189
190	* * * * * * * * * * * * * * * * * *	194	* * * * * * * * * * * * * * * * * *
		195
		196
		197	A backend of a different kind is the Linux inotify(7) interface, which can
		198	be used to speed up (and reduce resource consumption) of stat watchers. If
		199	you have it, it is usually a good idea to enable it.
		200
		201	EOF
		202
		203	my $can_inotify = -e "/usr/include/sys/inotify.h";
		204
		205	$DEFINE .= " -DEV_USE_INOTIFY=" . (0 + (prompt ("Enable inotify support (y/n)?", $can_inotify ? "y" : "n") =~ /[yY]/));
		206
		207	print <<EOF;
		208
		209	* * * * * * * * * * * * * * * * * *
		210
		211
		212	Another useful bit of functionality is the Linux eventfd, which is useful
		213	for faster signal handling (don't care) and intra-thread communications
		214	(more relevant). Kernel support for this will be probed at runtime, but
		215	your libc must contain the necessary wrapper. Glibc 2.7 and later should
		216	have this wrapper.
		217
		218	EOF
		219
		220	$DEFINE .= " -DEV_USE_EVENTFD=" . (0 + (prompt ("Enable linux eventfd support (y/n)?", (-e "/usr/include/sys/eventfd.h") \|\| $ENV{EV_EVENTFD} ? "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' => '$(INST_LIBDIR)/EV/libev.pod',
221	},	256	},
		257	MAN3PODS => {
		258	'EV.pm' => '$(INST_MAN3DIR)/EV.$(MAN3EXT)',
		259	'EV/MakeMaker.pm' => '$(INST_MAN3DIR)/EV::MakeMaker.$(MAN3EXT)',
		260	'libev/ev.pod' => '$(INST_MAN3DIR)/EV::libev.$(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 1.36 by root, Wed Oct 29 17:41:11 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 1.36 by root, Wed Oct 29 17:41:11 2008 UTC