[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 1.38 by root, Thu Nov 20 00:35:16 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
7	unless (-e "libev/ev_epoll.c") {	7	unless (-e "libev/ev_epoll.c") {
8	print <<EOF;	8	print <<EOF;
9		9
10	***	10	***
17	exit 1;	17	exit 1;
18	}	18	}
19		19
20	print <<EOF;	20	print <<EOF;
21		21
22
23	* * * * * * * * * * * * * * * * * *	22	* * * * * * * * * * * * * * * * * *
		23
24		24
25	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
26	and hope for the best. The defaults should usually do.	26	and hope for the best. The defaults should usually do.
27		27
28	EOF	28	EOF
…		…
31	$ENV{PERL_MM_USE_DEFAULT} = 1;	31	$ENV{PERL_MM_USE_DEFAULT} = 1;
32	}	32	}
33		33
34	print <<EOF;	34	print <<EOF;
35		35
36
37	* * * * * * * * * * * * * * * * * *	36	* * * * * * * * * * * * * * * * * *
		37
38		38
39	POSIX optionally offers support for a monotonic clock source. EV	39	POSIX optionally offers support for a monotonic clock source. EV
40	can take advantage of this clock source to detect time jumps	40	can take advantage of this clock source to detect time jumps
41	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
42	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
43	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
44	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).
45		46
46	EOF	47	EOF
47		48
48	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]/));
49	$DEFINE .= " -DEV_USE_MONOTONIC";
50	}
51		50
52	print <<EOF;	51	print <<EOF;
53		52
54
55	* * * * * * * * * * * * * * * * * *	53	* * * * * * * * * * * * * * * * * *
		54
56		55
57	POSIX optionally offers support for a (potentially) high-resolution	56	POSIX optionally offers support for a (potentially) high-resolution
58	realtime clock interface. In a good implementation, using it is faster	57	realtime clock interface. In a good implementation, using it is faster
59	than the normal method of using gettimeofday. Unfortunately, this option	58	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	59	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	60	probing of this feature altogether here. Otherwise support for this clock
62	type will be autodetected at compiletime.	61	type will be autodetected at compiletime.
63		62
64	EOF	63	EOF
65		64
66	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]/));
67	$DEFINE .= " -DEV_USE_REALTIME=0";
68	}
69		66
70	print <<EOF;	67	print <<EOF;
71		68
72
73	* * * * * * * * * * * * * * * * * *	69	* * * * * * * * * * * * * * * * * *
		70
74		71
75	EV can use various backends with various portability issue. The select	72	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	73	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	74	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	75	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	76	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.	77	OS, via the next question. I highly recommend keeping it in.
81		78
82	EOF	79	EOF
83		80
84	if (prompt ("Enable select backend (y/n)?", "y") =~ /[yY]/) {	81	if (prompt ("Enable select backend (y/n)?", "y") =~ /[yY]/) {
85	$DEFINE .= " -DEV_USE_SELECT";	82	$DEFINE .= " -DEV_USE_SELECT=1";
86		83
87	print <<EOF;	84	print <<EOF;
88		85
89
90	* * * * * * * * * * * * * * * * * *	86	* * * * * * * * * * * * * * * * * *
		87
91		88
92	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
93	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),
94	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
95	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
…		…
98	EOF	95	EOF
99		96
100	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]/) {
101	$DEFINE .= " -DEV_SELECT_USE_FD_SET";	98	$DEFINE .= " -DEV_SELECT_USE_FD_SET";
102	}	99	}
		100	} else {
		101	$DEFINE .= " -DEV_USE_SELECT=0";
103	}	102	}
104		103
105	print <<EOF;	104	print <<EOF;
106		105
107
108	* * * * * * * * * * * * * * * * * *	106	* * * * * * * * * * * * * * * * * *
		107
109		108
110	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
111	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
112	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
113	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.
114		113
115	EOF	114	EOF
116		115
117	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]/));
118	$DEFINE .= " -DEV_USE_POLL";
119	}
120		117
121	print <<EOF;	118	print <<EOF;
122		119
123
124	* * * * * * * * * * * * * * * * * *	120	* * * * * * * * * * * * * * * * * *
125		121
126	EV by default uses select, which makes it hard to write efficient servers,	122
127	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
128	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
129	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
130	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
131	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
132	If unsure, accept the default.	129	the default.
133		130
134	EOF	131	EOF
135		132
136	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";
137	$DEFINE .= " -DEV_USE_EPOLL";	134	$can_epoll = $ENV{EV_EPOLL} if exists $ENV{EV_EPOLL};
138	}	135	$DEFINE .= " -DEV_USE_EPOLL=" . (0 + (prompt ("Enable epoll backend (y/n)?", $can_epoll ? "y" : "n") =~ /[yY]/));
139		136
140	print <<EOF;	137	print <<EOF;
141		138
142
143	* * * * * * * * * * * * * * * * * *	139	* * * * * * * * * * * * * * * * * *
144		140
		141
145	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
146	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
147	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.
148	selling defective software works perfectly there). Support for kqueue will	145
		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.
		149
		150	Here is what we know:
		151
		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
		159	EOF
		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
		167	* * * * * * * * * * * * * * * * * *
		168
		169
		170	Similarly to the kqueue backend above, EV can take advantage of the
		171	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	172	at runtime, with a safe fallback to other methods when it cannot be used.
150	cannot be used.
151		173
152	EOF	174	EOF
153		175
154	if (prompt ("Enable kqueue backend (y/n)?", (-e "/usr/include/sys/event.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]/));
155	$DEFINE .= " -DEV_USE_KQUEUE";
156	}
157		177
158	print <<EOF;	178	print <<EOF;
159		179
160
161	* * * * * * * * * * * * * * * * * *	180	* * * * * * * * * * * * * * * * * *
		181
162		182
163	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
164	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
165	can specify additional libraries to provide these calls now, or accept the	185	can specify additional libraries to provide these calls (and any other
166	default.	186	required by EV) now, or accept the default.
167		187
168	EOF	188	EOF
169		189
		190	my $solaris_libs = $^O =~ /solaris/i ? "-lsocket -lnsl" : "";
		191	my $librt = $^O =~ /linux/i ? "-lpthread" : "-lpthread -lrt";
170	$LIBS = prompt "Extra libraries for pthread_atfork and clock_gettime?", "-lpthread -lrt";	192	my $LIBS = prompt "Extra libraries for pthread_atfork and clock_gettime?", "$librt $solaris_libs";
171		193
172		194
173	print <<EOF;	195	print <<EOF;
174		196
175
176	* * * * * * * * * * * * * * * * * *	197	* * * * * * * * * * * * * * * * * *
177		198
		199
		200	A backend of a different kind is the Linux inotify(7) interface, which can
		201	be used to speed up (and reduce resource consumption) of stat watchers. If
		202	you have it, it is usually a good idea to enable it.
		203
178	EOF	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]/));
		226
		227	print <<EOF;
		228
		229	* * * * * * * * * * * * * * * * * *
		230
		231
		232	EOF
		233
		234	my @anyevent = eval { require AnyEvent; $AnyEvent::VERSION < 2.6 } ? (AnyEvent => 2.6) : ();
179		235
180	WriteMakefile(	236	WriteMakefile(
181	dist => {	237	dist => {
182	PREOP => 'pod2text EV.pm \| tee README >$(DISTVNAME)/README; chmod -R u=rwX,go=rX . ;',	238	PREOP => 'pod2text EV.pm \| tee README >$(DISTVNAME)/README; chmod -R u=rwX,go=rX . ;',
183	COMPRESS => 'gzip -9v',	239	COMPRESS => 'gzip -9v',
184	SUFFIX => '.gz',	240	SUFFIX => '.gz',
185	},	241	},
186	depend => {	242	depend => {
187	"EV.c" => "EV/EVAPI.h "	243	"EV.c" => "EV/EVAPI.h "
188	. "libev/ev.c libev/ev.h libev/ev_epoll.c libev/ev_select.c libev/ev_kqueue.c libev/ev_poll.c "	244	. "libev/ev.c libev/ev.h libev/ev_epoll.c libev/ev_select.c libev/ev_kqueue.c libev/ev_poll.c "
189	. "libev/event.h libev/event.c evdns.h evdns.c libev/ev_vars.h libev/ev_wrap.h",	245	. "libev/ev_vars.h libev/ev_wrap.h",
190	},	246	},
191	INC => "-Ilibev",	247	INC => "-Ilibev",
192	DEFINE => "$DEFINE",	248	DEFINE => "$DEFINE",
193	NAME => "EV",	249	NAME => "EV",
194	LIBS => [$LIBS],	250	LIBS => [$LIBS],
		251	PREREQ_PM => {
		252	@anyevent,
		253	},
195	VERSION_FROM => "EV.pm",	254	VERSION_FROM => "EV.pm",
196	PM => {	255	PM => {
197	'EV.pm' => '$(INST_LIBDIR)/EV.pm',	256	'EV.pm' => '$(INST_LIBDIR)/EV.pm',
198	'EV/DNS.pm' => '$(INST_LIBDIR)/EV/DNS.pm',
199	'EV/EVAPI.h' => '$(INST_LIBDIR)/EV/EVAPI.h',	257	'EV/EVAPI.h' => '$(INST_LIBDIR)/EV/EVAPI.h',
200	'EV/MakeMaker.pm' => '$(INST_LIBDIR)/EV/MakeMaker.pm',	258	'EV/MakeMaker.pm' => '$(INST_LIBDIR)/EV/MakeMaker.pm',
201	'libev/ev.h' => '$(INST_LIBDIR)/EV/ev.h',	259	'libev/ev.h' => '$(INST_LIBDIR)/EV/ev.h',
		260	'libev/ev.pod' => '$(INST_LIBDIR)/EV/libev.pod',
202	},	261	},
		262	MAN3PODS => {
		263	'EV.pm' => '$(INST_MAN3DIR)/EV.$(MAN3EXT)',
		264	'EV/MakeMaker.pm' => '$(INST_MAN3DIR)/EV::MakeMaker.$(MAN3EXT)',
		265	'libev/ev.pod' => '$(INST_MAN3DIR)/EV::libev.$(MAN3EXT)',
		266	},
203	);	267	);
204		268
205		269

Diff Legend

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

Comparing EV/Makefile.PL (file contents): Revision 1.19 by root, Mon Nov 12 01:01:13 2007 UTC vs. Revision 1.38 by root, Thu Nov 20 00:35:16 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 1.38 by root, Thu Nov 20 00:35:16 2008 UTC