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

Comparing EV/Makefile.PL (file contents):
Revision 1.19 by root, Mon Nov 12 01:01:13 2007 UTC vs.
Revision 1.35 by root, Thu Oct 2 12:27:56 2008 UTC

…		…
1	use 5.006;	1	use 5.006;
2		2
3	use Config;	3	use Config;
4	use ExtUtils::MakeMaker;	4	use ExtUtils::MakeMaker;
5
6		5
7	unless (-e "libev/ev_epoll.c") {	6	unless (-e "libev/ev_epoll.c") {
8	print <<EOF;	7	print <<EOF;
9		8
10	***	9	***
17	exit 1;	16	exit 1;
18	}	17	}
19		18
20	print <<EOF;	19	print <<EOF;
21		20
22
23	* * * * * * * * * * * * * * * * * *	21	* * * * * * * * * * * * * * * * * *
		22
24		23
25	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
26	and hope for the best. The defaults should usually do.	25	and hope for the best. The defaults should usually do.
27		26
28	EOF	27	EOF
…		…
31	$ENV{PERL_MM_USE_DEFAULT} = 1;	30	$ENV{PERL_MM_USE_DEFAULT} = 1;
32	}	31	}
33		32
34	print <<EOF;	33	print <<EOF;
35		34
36
37	* * * * * * * * * * * * * * * * * *	35	* * * * * * * * * * * * * * * * * *
		36
38		37
39	POSIX optionally offers support for a monotonic clock source. EV	38	POSIX optionally offers support for a monotonic clock source. EV
40	can take advantage of this clock source to detect time jumps	39	can take advantage of this clock source to detect time jumps
41	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
42	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
43	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
44	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).
45		45
46	EOF	46	EOF
47		47
48	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]/));
49	$DEFINE .= " -DEV_USE_MONOTONIC";
50	}
51		49
52	print <<EOF;	50	print <<EOF;
53		51
54
55	* * * * * * * * * * * * * * * * * *	52	* * * * * * * * * * * * * * * * * *
		53
56		54
57	POSIX optionally offers support for a (potentially) high-resolution	55	POSIX optionally offers support for a (potentially) high-resolution
58	realtime clock interface. In a good implementation, using it is faster	56	realtime clock interface. In a good implementation, using it is faster
59	than the normal method of using gettimeofday. Unfortunately, this option	57	than the normal method of using gettimeofday. Unfortunately, this option
60	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
61	probing of this feature altogether here. Otherwise support for this clock	59	probing of this feature altogether here. Otherwise support for this clock
62	type will be autodetected at compiletime.	60	type will be autodetected at compiletime.
63		61
64	EOF	62	EOF
65		63
66	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]/));
67	$DEFINE .= " -DEV_USE_REALTIME=0";
68	}
69		65
70	print <<EOF;	66	print <<EOF;
71		67
72
73	* * * * * * * * * * * * * * * * * *	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
74		85
75	EV can use various backends with various portability issue. The select	86	EV can use various backends with various portability issue. The select
76	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
77	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
78	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
79	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
80	OS, via the next question. I highly recommend keeping it in.	91	OS, via the next question. I highly recommend keeping it in.
81		92
82	EOF	93	EOF
83		94
84	if (prompt ("Enable select backend (y/n)?", "y") =~ /[yY]/) {	95	if (prompt ("Enable select backend (y/n)?", "y") =~ /[yY]/) {
85	$DEFINE .= " -DEV_USE_SELECT";	96	$DEFINE .= " -DEV_USE_SELECT=1";
86		97
87	print <<EOF;	98	print <<EOF;
88		99
89
90	* * * * * * * * * * * * * * * * * *	100	* * * * * * * * * * * * * * * * * *
		101
91		102
92	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
93	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),
94	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
95	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
…		…
98	EOF	109	EOF
99		110
100	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]/) {
101	$DEFINE .= " -DEV_SELECT_USE_FD_SET";	112	$DEFINE .= " -DEV_SELECT_USE_FD_SET";
102	}	113	}
		114	} else {
		115	$DEFINE .= " -DEV_USE_SELECT=0";
103	}	116	}
104		117
105	print <<EOF;	118	print <<EOF;
106		119
107
108	* * * * * * * * * * * * * * * * * *	120	* * * * * * * * * * * * * * * * * *
		121
109		122
110	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
111	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
112	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
113	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.
114		127
115	EOF	128	EOF
116		129
117	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]/));
118	$DEFINE .= " -DEV_USE_POLL";
119	}
120		131
121	print <<EOF;	132	print <<EOF;
122		133
123
124	* * * * * * * * * * * * * * * * * *	134	* * * * * * * * * * * * * * * * * *
125		135
126	EV by default uses select, which makes it hard to write efficient servers,	136
127	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
128	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
129	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
130	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
131	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
132	If unsure, accept the default.	143	the default.
133		144
134	EOF	145	EOF
135		146
136	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]/));
137	$DEFINE .= " -DEV_USE_EPOLL";
138	}
139		148
140	print <<EOF;	149	print <<EOF;
141		150
142
143	* * * * * * * * * * * * * * * * * *	151	* * * * * * * * * * * * * * * * * *
144		152
		153
145	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
146	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
147	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.
148	selling defective software works perfectly there). Support for kqueue will	157
		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.
		161
		162	Here is what we know:
		163
		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.
		170
		171	EOF
		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
		179	* * * * * * * * * * * * * * * * * *
		180
		181
		182	Similarly to the kqueue backend above, EV can take advantage of the
		183	solaris 10 event port interface. Support for event ports will be detected
149	be detected at runtime, with a safe fallback to other methods when it	184	at runtime, with a safe fallback to other methods when it cannot be used.
150	cannot be used.
151		185
152	EOF	186	EOF
153		187
154	if (prompt ("Enable kqueue backend (y/n)?", (-e "/usr/include/sys/event.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]/));
155	$DEFINE .= " -DEV_USE_KQUEUE";
156	}
157		189
158	print <<EOF;	190	print <<EOF;
159		191
160
161	* * * * * * * * * * * * * * * * * *	192	* * * * * * * * * * * * * * * * * *
		193
162		194
163	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
164	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
165	can specify additional libraries to provide these calls now, or accept the	197	can specify additional libraries to provide these calls (and any other
166	default.	198	required by EV) now, or accept the default.
167		199
168	EOF	200	EOF
169		201
		202	$SOLARIS_LIBS = $^O =~ /solaris/ ? " -lsocket -lnsl" : "";
		203
170	$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";
171		205
172		206
173	print <<EOF;	207	print <<EOF;
174		208
175
176	* * * * * * * * * * * * * * * * * *	209	* * * * * * * * * * * * * * * * * *
177		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
178	EOF	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
		226
		227	EOF
		228
		229	my @anyevent = eval { require AnyEvent; $AnyEvent::VERSION < 2.6 } ? (AnyEvent => 2.6) : ();
179		230
180	WriteMakefile(	231	WriteMakefile(
181	dist => {	232	dist => {
182	PREOP => 'pod2text EV.pm \| tee README >$(DISTVNAME)/README; chmod -R u=rwX,go=rX . ;',	233	PREOP => 'pod2text EV.pm \| tee README >$(DISTVNAME)/README; chmod -R u=rwX,go=rX . ;',
183	COMPRESS => 'gzip -9v',	234	COMPRESS => 'gzip -9v',
184	SUFFIX => '.gz',	235	SUFFIX => '.gz',
185	},	236	},
186	depend => {	237	depend => {
187	"EV.c" => "EV/EVAPI.h "	238	"EV.c" => "EV/EVAPI.h "
188	. "libev/ev.c libev/ev.h libev/ev_epoll.c libev/ev_select.c libev/ev_kqueue.c libev/ev_poll.c "	239	. "libev/ev.c libev/ev.h libev/ev_epoll.c libev/ev_select.c libev/ev_kqueue.c libev/ev_poll.c "
189	. "libev/event.h libev/event.c evdns.h evdns.c libev/ev_vars.h libev/ev_wrap.h",	240	. "libev/ev_vars.h libev/ev_wrap.h",
190	},	241	},
191	INC => "-Ilibev",	242	INC => "-Ilibev",
192	DEFINE => "$DEFINE",	243	DEFINE => "$DEFINE",
193	NAME => "EV",	244	NAME => "EV",
194	LIBS => [$LIBS],	245	LIBS => [$LIBS],
		246	PREREQ_PM => {
		247	@anyevent,
		248	},
195	VERSION_FROM => "EV.pm",	249	VERSION_FROM => "EV.pm",
196	PM => {	250	PM => {
197	'EV.pm' => '$(INST_LIBDIR)/EV.pm',	251	'EV.pm' => '$(INST_LIBDIR)/EV.pm',
198	'EV/DNS.pm' => '$(INST_LIBDIR)/EV/DNS.pm',
199	'EV/EVAPI.h' => '$(INST_LIBDIR)/EV/EVAPI.h',	252	'EV/EVAPI.h' => '$(INST_LIBDIR)/EV/EVAPI.h',
200	'EV/MakeMaker.pm' => '$(INST_LIBDIR)/EV/MakeMaker.pm',	253	'EV/MakeMaker.pm' => '$(INST_LIBDIR)/EV/MakeMaker.pm',
201	'libev/ev.h' => '$(INST_LIBDIR)/EV/ev.h',	254	'libev/ev.h' => '$(INST_LIBDIR)/EV/ev.h',
		255	'libev/ev.pod' => '$(INST_LIBDIR)/EV/libev.pod',
202	},	256	},
		257	MAN3PODS => {
		258	'EV.pm' => '$(INST_MAN3DIR)/EV.$(MAN3EXT)',
		259	'EV/MakeMaker.pm' => '$(INST_MAN3DIR)/EV::MakeMaker.$(MAN3EXT)',
		260	'libev/ev.pod' => '$(INST_MAN3DIR)/EV::libev.$(MAN3EXT)',
		261	},
203	);	262	);
204		263
205		264

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Comparing EV/Makefile.PL (file contents): Revision 1.19 by root, Mon Nov 12 01:01:13 2007 UTC vs. Revision 1.35 by root, Thu Oct 2 12:27:56 2008 UTC

Diff Legend

Comparing EV/Makefile.PL (file contents):
Revision 1.19 by root, Mon Nov 12 01:01:13 2007 UTC vs.
Revision 1.35 by root, Thu Oct 2 12:27:56 2008 UTC