[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 1.48 by root, Sun Nov 28 06:34:10 2010 UTC

…		…
1	use 5.006;	1	use 5.008002;
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 more
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, and current EV versions do not
61	probing of this feature altogether here. Otherwise support for this clock	60	actually call gettimeofday very often, so it defaults to no.
62	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)?", "n") =~ /[yY]/));
67	$DEFINE .= " -DEV_USE_REALTIME=0";
68	}
69		65
70	print <<EOF;	66	print <<EOF;
71		67
72
73	* * * * * * * * * * * * * * * * * *	68	* * * * * * * * * * * * * * * * * *
74		69
		70
75	EV can use various backends with various portability issue. The select	71	EV can use various backends with various portability issues. The select
76	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
77	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
78	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
79	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
80	OS, via the next question. I highly recommend keeping it in.	76	OS, via the next question. I highly recommend keeping it in.
81		77
82	EOF	78	EOF
83		79
84	if (prompt ("Enable select backend (y/n)?", "y") =~ /[yY]/) {	80	if (prompt ("Enable select backend (y/n)?", "y") =~ /[yY]/) {
85	$DEFINE .= " -DEV_USE_SELECT";	81	$DEFINE .= " -DEV_USE_SELECT=1";
86		82
87	print <<EOF;	83	print <<EOF;
88		84
89
90	* * * * * * * * * * * * * * * * * *	85	* * * * * * * * * * * * * * * * * *
		86
91		87
92	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
93	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),
94	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
95	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
…		…
98	EOF	94	EOF
99		95
100	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]/) {
101	$DEFINE .= " -DEV_SELECT_USE_FD_SET";	97	$DEFINE .= " -DEV_SELECT_USE_FD_SET";
102	}	98	}
		99	} else {
		100	$DEFINE .= " -DEV_USE_SELECT=0";
103	}	101	}
104		102
105	print <<EOF;	103	print <<EOF;
106		104
107
108	* * * * * * * * * * * * * * * * * *	105	* * * * * * * * * * * * * * * * * *
		106
109		107
110	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
111	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
112	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
113	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.
114		112
115	EOF	113	EOF
116		114
117	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]/));
118	$DEFINE .= " -DEV_USE_POLL";
119	}
120		116
121	print <<EOF;	117	print <<EOF;
122		118
123
124	* * * * * * * * * * * * * * * * * *	119	* * * * * * * * * * * * * * * * * *
125		120
126	EV by default uses select, which makes it hard to write efficient servers,	121
127	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
128	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
129	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
130	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
131	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
132	If unsure, accept the default.	128	the default.
133		129
134	EOF	130	EOF
135		131
136	if (prompt ("Enable epoll backend (y/n)?", (-e "/usr/include/sys/epoll.h") ? "y" : "n") =~ /[yY]/) {	132	my $can_epoll = -e "/usr/include/sys/epoll.h";
137	$DEFINE .= " -DEV_USE_EPOLL";	133	$can_epoll = $ENV{EV_EPOLL} if exists $ENV{EV_EPOLL};
138	}	134	$DEFINE .= " -DEV_USE_EPOLL=" . (0 + (prompt ("Enable epoll backend (y/n)?", $can_epoll ? "y" : "n") =~ /[yY]/));
139		135
140	print <<EOF;	136	print <<EOF;
141		137
142
143	* * * * * * * * * * * * * * * * * *	138	* * * * * * * * * * * * * * * * * *
144		139
		140
145	Similarly to the epoll backend above, EV can take advantage of kqueue	141	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	142	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,	143	safe fallback to other methods when it cannot be used.
148	selling defective software works perfectly there). Support for kqueue will	144
		145	Note that kqueue is broken on most operating systems, so by default it
		146	won't be used on many platforms, but you can still create your own event
		147	loop with kqueue backend if you ask specifically for it.
		148
		149	Here is what we know:
		150
		151	NetBSD: partially working in at least 3.1 and later. Yeah! :)
		152	FreeBSD: broken on at least 6.2-STABLE, spotty in later versions,
		153	sockets likely work, ptys definitely don't.
		154	OpenBSD: reports indicate that it likely doesn't work
		155	(similar problems as on FreeBSD).
		156	OS X: completely, utterly broken on at least <= 10.6.
		157
		158	EOF
		159
		160	my $can_kqueue = -e "/usr/include/sys/event.h";
		161	$can_kqueue = $ENV{EV_KQUEUE} if exists $ENV{EV_KQUEUE};
		162	$DEFINE .= " -DEV_USE_KQUEUE=" . (0 + (prompt ("Enable kqueue backend (y/n)?", $can_kqueue ? "y" : "n") =~ /[yY]/));
		163
		164	print <<EOF;
		165
		166	* * * * * * * * * * * * * * * * * *
		167
		168
		169	Similarly to the kqueue backend above, EV can take advantage of the
		170	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	171	at runtime, with a safe fallback to other methods when it cannot be used.
150	cannot be used.
151		172
152	EOF	173	EOF
153		174
154	if (prompt ("Enable kqueue backend (y/n)?", (-e "/usr/include/sys/event.h") ? "y" : "n") =~ /[yY]/) {	175	$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		176
158	print <<EOF;	177	print <<EOF;
159		178
160
161	* * * * * * * * * * * * * * * * * *	179	* * * * * * * * * * * * * * * * * *
		180
162		181
163	EV needs the functions pthread_atfork and clock_gettime. On most systems	182	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	183	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	184	can specify additional libraries to provide these calls (and any other
166	default.	185	required by EV) now, or accept the default.
167		186
168	EOF	187	EOF
169		188
		189	my $solaris_libs = $^O =~ /solaris/i ? "-lsocket -lnsl" : "";
		190	my $librt = $^O =~ /linux/i ? "-lpthread" : "-lpthread -lrt";
170	$LIBS = prompt "Extra libraries for pthread_atfork and clock_gettime?", "-lpthread -lrt";	191	my $LIBS = prompt "Extra libraries for pthread_atfork and clock_gettime?", "$librt $solaris_libs";
171		192
172		193
173	print <<EOF;	194	print <<EOF;
174		195
175
176	* * * * * * * * * * * * * * * * * *	196	* * * * * * * * * * * * * * * * * *
177		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 the include file and libc support for it, it is usually a good
		202	idea to enable it, as kernel availability is detected at runtime.
		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	Another sometimes useful bit of functionality is the Linux signalfd, which
		233	is useful for faster signal handling (don't care). Kernel support for
		234	this will be probed at runtime, but your libc must contain the necessary
		235	wrapper. Glibc 2.7 and later should have this wrapper.
		236
		237	EOF
		238
		239	my $can_signalfd = -e "/usr/include/sys/signalfd.h";
		240	$can_signalfd = $ENV{EV_SIGNALFD} if exists $ENV{EV_SIGNALFD};
		241	$DEFINE .= " -DEV_USE_SIGNALFD=" . (0 + (prompt ("Enable linux signalfd support (y/n)?", $can_signalfd ? "y" : "n") =~ /[yY]/));
		242
		243	print <<EOF;
		244
		245	* * * * * * * * * * * * * * * * * *
		246
		247
		248	Very rarely, people want to tweak EV even more, e.g. to exclude
		249	or incldue certain watcher types or backends. Thisc na be done by adding
		250	extra -D options here, or via the EV_EXTRA_DEFS environment variable.
		251	Normal persons just press enter.
		252
		253	EOF
		254
		255	$DEFINE .= " " . prompt "Any extra -D options?", $ENV{EV_EXTRA_DEFS};
		256
		257	print <<EOF;
		258
		259	* * * * * * * * * * * * * * * * * *
		260
		261
		262	EOF
		263
		264	my @anyevent = eval { require AnyEvent; $AnyEvent::VERSION < 5.29 } ? (AnyEvent => 5.29) : ();
179		265
180	WriteMakefile(	266	WriteMakefile(
181	dist => {	267	dist => {
182	PREOP => 'pod2text EV.pm \| tee README >$(DISTVNAME)/README; chmod -R u=rwX,go=rX . ;',	268	PREOP => 'pod2text EV.pm \| tee README >$(DISTVNAME)/README; chmod -R u=rwX,go=rX . ;',
183	COMPRESS => 'gzip -9v',	269	COMPRESS => 'gzip -9v',
184	SUFFIX => '.gz',	270	SUFFIX => '.gz',
185	},	271	},
186	depend => {	272	depend => {
187	"EV.c" => "EV/EVAPI.h "	273	"EV.c" => "EV/EVAPI.h "
188	. "libev/ev.c libev/ev.h libev/ev_epoll.c libev/ev_select.c libev/ev_kqueue.c libev/ev_poll.c "	274	. "libev/ev.c libev/ev.h libev/ev_epoll.c libev/ev_select.c libev/ev_kqueue.c libev/ev_poll.c "
189	. "libev/event.h libev/event.c evdns.h evdns.c libev/ev_vars.h libev/ev_wrap.h",	275	. "libev/ev_vars.h libev/ev_wrap.h",
190	},	276	},
191	INC => "-Ilibev",	277	INC => "-Ilibev",
192	DEFINE => "$DEFINE",	278	DEFINE => "$DEFINE",
193	NAME => "EV",	279	NAME => "EV",
194	LIBS => [$LIBS],	280	LIBS => [$LIBS],
		281	PREREQ_PM => {
		282	@anyevent,
		283	"common::sense" => 0,
		284	},
195	VERSION_FROM => "EV.pm",	285	VERSION_FROM => "EV.pm",
196	PM => {	286	PM => {
197	'EV.pm' => '$(INST_LIBDIR)/EV.pm',	287	'EV.pm' => '$(INST_LIBDIR)/EV.pm',
198	'EV/DNS.pm' => '$(INST_LIBDIR)/EV/DNS.pm',
199	'EV/EVAPI.h' => '$(INST_LIBDIR)/EV/EVAPI.h',	288	'EV/EVAPI.h' => '$(INST_LIBDIR)/EV/EVAPI.h',
200	'EV/MakeMaker.pm' => '$(INST_LIBDIR)/EV/MakeMaker.pm',	289	'EV/MakeMaker.pm' => '$(INST_LIBDIR)/EV/MakeMaker.pm',
201	'libev/ev.h' => '$(INST_LIBDIR)/EV/ev.h',	290	'libev/ev.h' => '$(INST_LIBDIR)/EV/ev.h',
		291	'libev/ev.pod' => '$(INST_LIBDIR)/EV/libev.pod',
202	},	292	},
		293	MAN3PODS => {
		294	'EV.pm' => '$(INST_MAN3DIR)/EV.$(MAN3EXT)',
		295	'EV/MakeMaker.pm' => '$(INST_MAN3DIR)/EV::MakeMaker.$(MAN3EXT)',
		296	'libev/ev.pod' => '$(INST_MAN3DIR)/EV::libev.$(MAN3EXT)',
		297	},
203	);	298	);
204		299
205		300

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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 1.48 by root, Sun Nov 28 06:34:10 2010 UTC

Diff Legend

Comparing EV/Makefile.PL (file contents):
Revision 1.19 by root, Mon Nov 12 01:01:13 2007 UTC vs.
Revision 1.48 by root, Sun Nov 28 06:34:10 2010 UTC