[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 1.37 by root, Thu Oct 30 04:01:46 2008 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;
16	exit 1;	17	exit 1;
17	}	18	}
18		19
19	print <<EOF;	20	print <<EOF;
20		21
21
22	* * * * * * * * * * * * * * * * * *	22	* * * * * * * * * * * * * * * * * *
		23
23		24
24	Welcome to EV configuration. If you are in a hurry, just press return here	25	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.	26	and hope for the best. The defaults should usually do.
26		27
27	EOF	28	EOF
…		…
30	$ENV{PERL_MM_USE_DEFAULT} = 1;	31	$ENV{PERL_MM_USE_DEFAULT} = 1;
31	}	32	}
32		33
33	print <<EOF;	34	print <<EOF;
34		35
35
36	* * * * * * * * * * * * * * * * * *	36	* * * * * * * * * * * * * * * * * *
		37
37		38
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	if (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	$DEFINE .= " -DEV_USE_MONOTONIC";
49	}
50		50
51	print <<EOF;	51	print <<EOF;
52		52
53
54	* * * * * * * * * * * * * * * * * *	53	* * * * * * * * * * * * * * * * * *
		54
55		55
56	POSIX optionally offers support for a (potentially) high-resolution	56	POSIX optionally offers support for a (potentially) high-resolution
57	realtime clock interface. In a good implementation, using it is faster	57	realtime clock interface. In a good implementation, using it is faster
58	than the normal method of using gettimeofday. Unfortunately, this option	58	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	59	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	60	probing of this feature altogether here. Otherwise support for this clock
61	type will be autodetected at compiletime.	61	type will be autodetected at compiletime.
62		62
63	EOF	63	EOF
64		64
65	if (prompt ("Prefer clock_gettime (CLOCK_REALTIME) over gettimeofday (y/n)?", "y") !~ /[yY]/) {	65	$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		66
69	print <<EOF;	67	print <<EOF;
70		68
71
72	* * * * * * * * * * * * * * * * * *	69	* * * * * * * * * * * * * * * * * *
		70
73		71
74	EV can use various backends with various portability issue. The select	72	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	73	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	74	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	75	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	76	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.	77	OS, via the next question. I highly recommend keeping it in.
80		78
81	EOF	79	EOF
82		80
83	if (prompt ("Enable select backend (y/n)?", "y") =~ /[yY]/) {	81	if (prompt ("Enable select backend (y/n)?", "y") =~ /[yY]/) {
84	$DEFINE .= " -DEV_USE_SELECT";	82	$DEFINE .= " -DEV_USE_SELECT=1";
85		83
86	print <<EOF;	84	print <<EOF;
87		85
88
89	* * * * * * * * * * * * * * * * * *	86	* * * * * * * * * * * * * * * * * *
		87
90		88
91	The select backend can operate in two modes. One uses the system-provided	89	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),	90	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	91	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	92	suitable fd_mask type. If you run into problems compiling ev_select.c, you
…		…
97	EOF	95	EOF
98		96
99	if (prompt ("Force use of system fd_set for select backend (y/n)?", "n") =~ /[yY]/) {	97	if (prompt ("Force use of system fd_set for select backend (y/n)?", "n") =~ /[yY]/) {
100	$DEFINE .= " -DEV_SELECT_USE_FD_SET";	98	$DEFINE .= " -DEV_SELECT_USE_FD_SET";
101	}	99	}
		100	} else {
		101	$DEFINE .= " -DEV_USE_SELECT=0";
102	}	102	}
103		103
104	print <<EOF;	104	print <<EOF;
105		105
106
107	* * * * * * * * * * * * * * * * * *	106	* * * * * * * * * * * * * * * * * *
		107
108		108
109	The second very portable backend is poll(2). It does not exist on windows	109	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	110	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	111	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.	112	the default here unless you run into compile problems in ev_poll.c.
113		113
114	EOF	114	EOF
115		115
116	if (prompt ("Enable poll backend (y/n)?", (-e "/usr/include/poll.h") ? "y" : "n") =~ /[yY]/) {	116	$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		117
120	print <<EOF;	118	print <<EOF;
121		119
122
123	* * * * * * * * * * * * * * * * * *	120	* * * * * * * * * * * * * * * * * *
124		121
125	EV by default uses select, which makes it hard to write efficient servers,	122
126	especially if the number of active conencitons is much lower than the open	123	Select and poll make it hard to write efficient servers, especially if the
		124	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	125	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	126	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,	127	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.	128	fall back to using select when epoll isn't available. If unsure, accept
131	If unsure, accept the default.	129	the default.
132		130
133	EOF	131	EOF
134		132
135	if (prompt ("Enable epoll backend (y/n)?", (-e "/usr/include/sys/epoll.h") ? "y" : "n") =~ /[yY]/) {	133	my $can_epoll = -e "/usr/include/sys/epoll.h";
136	$DEFINE .= " -DEV_USE_EPOLL";	134	$can_epoll = $ENV{EV_EPOLL} if exists $ENV{EV_EPOLL};
137	}	135	$DEFINE .= " -DEV_USE_EPOLL=" . (0 + (prompt ("Enable epoll backend (y/n)?", $can_epoll ? "y" : "n") =~ /[yY]/));
138		136
139	print <<EOF;	137	print <<EOF;
140		138
141
142	* * * * * * * * * * * * * * * * * *	139	* * * * * * * * * * * * * * * * * *
143		140
		141
144	Similarly to the epoll backend above, EV can take advantage of kqueue	142	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	143	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,	144	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		145
151	EOF	146	Note that kqueue is broken on most operating systems, so by default it
		147	won't be used on many platforms, but you can still create your own event
		148	loop with kqueue backend.
152		149
153	if (prompt ("Enable kqueue backend (y/n)?", (-e "/usr/include/sys/event.h") ? "y" : "n") =~ /[yY]/) {	150	Here is what we know:
154	$DEFINE .= " -DEV_USE_KQUEUE";
155	}
156		151
157	print <<EOF;	152	NetBSD: partially working in at least 3.1. Yeah! :)
		153	FreeBSD: broken on at least 6.2-STABLE,
		154	sockets likely work, ptys definitely don't.
		155	OpenBSD: reports indicate that it likely doesn't work
		156	(similar problems as on FreeBSD).
		157	OS X: completely, utterly broken on at least < 10.5.
158		158
		159	EOF
159		160
		161	my $can_kqueue = -e "/usr/include/sys/event.h";
		162	$can_kqueue = $ENV{EV_KQUEUE} if exists $ENV{EV_KQUEUE};
		163	$DEFINE .= " -DEV_USE_KQUEUE=" . (0 + (prompt ("Enable kqueue backend (y/n)?", $can_kqueue ? "y" : "n") =~ /[yY]/));
		164
		165	print <<EOF;
		166
160	* * * * * * * * * * * * * * * * * *	167	* * * * * * * * * * * * * * * * * *
		168
161		169
162	Similarly to the kqueue backend above, EV can take advantage of the	170	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,	171	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.	172	at runtime, with a safe fallback to other methods when it cannot be used.
165		173
166	EOF	174	EOF
167		175
168	if (prompt ("Enable port backend (y/n)?", (-e "/usr/include/sys/port.h") ? "y" : "n") =~ /[yY]/) {	176	$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		177
172	print <<EOF;	178	print <<EOF;
173		179
174
175	* * * * * * * * * * * * * * * * * *	180	* * * * * * * * * * * * * * * * * *
		181
176		182
177	EV needs the functions pthread_atfork and clock_gettime. On most systems	183	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	184	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	185	can specify additional libraries to provide these calls (and any other
180	default.	186	required by EV) now, or accept the default.
181		187
182	EOF	188	EOF
183		189
		190	my $solaris_libs = $^O =~ /solaris/ ? " -lsocket -lnsl" : "";
184	$LIBS = prompt "Extra libraries for pthread_atfork and clock_gettime?", "-lpthread -lrt";	191	my $LIBS = prompt "Extra libraries for pthread_atfork and clock_gettime?", "-lpthread -lrt$solaris_libs";
185		192
186		193
187	print <<EOF;	194	print <<EOF;
188		195
189
190	* * * * * * * * * * * * * * * * * *	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 it, it is usually a good idea to enable it.
		202
		203	EOF
		204
		205	my $can_inotify = -e "/usr/include/sys/inotify.h";
		206	$can_inotify = $ENV{EV_INOTIFY} if exists $ENV{EV_INOTIFY};
		207	$DEFINE .= " -DEV_USE_INOTIFY=" . (0 + (prompt ("Enable inotify support (y/n)?", $can_inotify ? "y" : "n") =~ /[yY]/));
		208
		209	print <<EOF;
		210
		211	* * * * * * * * * * * * * * * * * *
		212
		213
		214	Another useful bit of functionality is the Linux eventfd, which is useful
		215	for faster signal handling (don't care) and intra-thread communications
		216	(more relevant). Kernel support for this will be probed at runtime, but
		217	your libc must contain the necessary wrapper. Glibc 2.7 and later should
		218	have this wrapper.
		219
		220	EOF
		221
		222	my $can_eventfd = -e "/usr/include/sys/eventfd.h";
		223	$can_eventfd = $ENV{EV_EVENTFD} if exists $ENV{EV_EVENTFD};
		224	$DEFINE .= " -DEV_USE_EVENTFD=" . (0 + (prompt ("Enable linux eventfd support (y/n)?", $can_eventfd ? "y" : "n") =~ /[yY]/));
		225
		226	print <<EOF;
		227
		228	* * * * * * * * * * * * * * * * * *
		229
191		230
192	EOF	231	EOF
193		232
194	my @anyevent = eval { require AnyEvent; $AnyEvent::VERSION < 2.6 } ? (AnyEvent => 2.6) : ();	233	my @anyevent = eval { require AnyEvent; $AnyEvent::VERSION < 2.6 } ? (AnyEvent => 2.6) : ();
195		234
…		…
200	SUFFIX => '.gz',	239	SUFFIX => '.gz',
201	},	240	},
202	depend => {	241	depend => {
203	"EV.c" => "EV/EVAPI.h "	242	"EV.c" => "EV/EVAPI.h "
204	. "libev/ev.c libev/ev.h libev/ev_epoll.c libev/ev_select.c libev/ev_kqueue.c libev/ev_poll.c "	243	. "libev/ev.c libev/ev.h libev/ev_epoll.c libev/ev_select.c libev/ev_kqueue.c libev/ev_poll.c "
205	. "libev/event.h libev/event.c evdns.h evdns.c libev/ev_vars.h libev/ev_wrap.h",	244	. "libev/ev_vars.h libev/ev_wrap.h",
206	},	245	},
207	INC => "-Ilibev",	246	INC => "-Ilibev",
208	DEFINE => "$DEFINE",	247	DEFINE => "$DEFINE",
209	NAME => "EV",	248	NAME => "EV",
210	LIBS => [$LIBS],	249	LIBS => [$LIBS],
…		…
212	@anyevent,	251	@anyevent,
213	},	252	},
214	VERSION_FROM => "EV.pm",	253	VERSION_FROM => "EV.pm",
215	PM => {	254	PM => {
216	'EV.pm' => '$(INST_LIBDIR)/EV.pm',	255	'EV.pm' => '$(INST_LIBDIR)/EV.pm',
217	'EV/DNS.pm' => '$(INST_LIBDIR)/EV/DNS.pm',
218	'EV/EVAPI.h' => '$(INST_LIBDIR)/EV/EVAPI.h',	256	'EV/EVAPI.h' => '$(INST_LIBDIR)/EV/EVAPI.h',
219	'EV/MakeMaker.pm' => '$(INST_LIBDIR)/EV/MakeMaker.pm',	257	'EV/MakeMaker.pm' => '$(INST_LIBDIR)/EV/MakeMaker.pm',
220	'libev/ev.h' => '$(INST_LIBDIR)/EV/ev.h',	258	'libev/ev.h' => '$(INST_LIBDIR)/EV/ev.h',
		259	'libev/ev.pod' => '$(INST_LIBDIR)/EV/libev.pod',
221	},	260	},
		261	MAN3PODS => {
		262	'EV.pm' => '$(INST_MAN3DIR)/EV.$(MAN3EXT)',
		263	'EV/MakeMaker.pm' => '$(INST_MAN3DIR)/EV::MakeMaker.$(MAN3EXT)',
		264	'libev/ev.pod' => '$(INST_MAN3DIR)/EV::libev.$(MAN3EXT)',
		265	},
222	);	266	);
223		267
224		268

Diff Legend

-–
+Removed lines
-+
+Added lines
-<
+Changed lines
->
+Changed lines

Comparing EV/Makefile.PL (file contents): Revision 1.21 by root, Fri Nov 16 01:46:26 2007 UTC vs. Revision 1.37 by root, Thu Oct 30 04:01:46 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 1.37 by root, Thu Oct 30 04:01:46 2008 UTC