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

Comparing EV/Makefile.PL (file contents):
Revision 1.20 by root, Wed Nov 14 22:30:50 2007 UTC vs.
Revision 1.53 by root, Tue Jan 15 21:49:38 2013 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	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 more
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, and current EV versions do not
60	probing of this feature altogether here. Otherwise support for this clock	60	actually call gettimeofday very often, so it defaults to no.
61	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)?", "n") =~ /[yY]/));
66	$DEFINE .= " -DEV_USE_REALTIME=0";
67	}
68		65
69	print <<EOF;	66	print <<EOF;
70		67
71
72	* * * * * * * * * * * * * * * * * *	68	* * * * * * * * * * * * * * * * * *
73		69
		70
74	EV can use various backends with various portability issue. The select	71	EV can use various backends with various portability issues. 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	my $can_epoll = -e "/usr/include/sys/epoll.h";
136	$DEFINE .= " -DEV_USE_EPOLL";	133	$can_epoll = $ENV{EV_EPOLL} if exists $ENV{EV_EPOLL};
137	}	134	$DEFINE .= " -DEV_USE_EPOLL=" . (0 + (prompt ("Enable epoll backend (y/n)?", $can_epoll ? "y" : "n") =~ /[yY]/));
138		135
139	print <<EOF;	136	print <<EOF;
140		137
141
142	* * * * * * * * * * * * * * * * * *	138	* * * * * * * * * * * * * * * * * *
143		139
		140
144	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
145	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
146	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.
147	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
148	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.
149	cannot be used.
150		172
151	EOF	173	EOF
152		174
153	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]/));
154	$DEFINE .= " -DEV_USE_KQUEUE";
155	}
156		176
157	print <<EOF;	177	print <<EOF;
158		178
159
160	* * * * * * * * * * * * * * * * * *	179	* * * * * * * * * * * * * * * * * *
		180
161		181
162	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
163	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
164	can specify additional libraries to provide these calls now, or accept the	184	can specify additional libraries to provide these calls (and any other
165	default.	185	required by EV) now, or accept the default.
166		186
167	EOF	187	On GNU/Linux systems, EV uses the LSB 3.1 __register_atfork function
		188	to avoid the dependency on libpthread, and directly uses the clock_gettime
		189	syscall to avoid a dependency on librt.
168		190
		191	EOF
		192
		193	my $solaris_libs = $^O =~ /solaris/i ? "-lsocket -lnsl" : "";
		194	my $librt = $^O =~ /linux/i ? "" : "-lpthread -lrt";
		195	my $LIBS = exists $ENV{EV_LIBS} ? $ENV{EV_LIBS} : "$librt $solaris_libs";
169	$LIBS = prompt "Extra libraries for pthread_atfork and clock_gettime?", "-lpthread -lrt";	196	$LIBS = prompt "Extra libraries for pthread_atfork and clock_gettime?", $LIBS;
170		197
171		198
172	print <<EOF;	199	print <<EOF;
173		200
174
175	* * * * * * * * * * * * * * * * * *	201	* * * * * * * * * * * * * * * * * *
176		202
177	EOF
178		203
		204	A backend of a different kind is the Linux inotify(7) interface, which can
		205	be used to speed up (and reduce resource consumption) of stat watchers. If
		206	you have the include file and libc support for it, it is usually a good
		207	idea to enable it, as kernel availability is detected at runtime.
		208
		209	EOF
		210
		211	my $can_inotify = -e "/usr/include/sys/inotify.h";
		212	$can_inotify = $ENV{EV_INOTIFY} if exists $ENV{EV_INOTIFY};
		213	$DEFINE .= " -DEV_USE_INOTIFY=" . (0 + (prompt ("Enable inotify support (y/n)?", $can_inotify ? "y" : "n") =~ /[yY]/));
		214
		215	print <<EOF;
		216
		217	* * * * * * * * * * * * * * * * * *
		218
		219
		220	Another useful bit of functionality is the Linux eventfd, which is useful
		221	for faster signal handling (don't care) and intra-thread communications
		222	(more relevant). Kernel support for this will be probed at runtime, but
		223	your libc must contain the necessary wrapper. Glibc 2.7 and later should
		224	have this wrapper.
		225
		226	EOF
		227
		228	my $can_eventfd = -e "/usr/include/sys/eventfd.h";
		229	$can_eventfd = $ENV{EV_EVENTFD} if exists $ENV{EV_EVENTFD};
		230	$DEFINE .= " -DEV_USE_EVENTFD=" . (0 + (prompt ("Enable linux eventfd support (y/n)?", $can_eventfd ? "y" : "n") =~ /[yY]/));
		231
		232	print <<EOF;
		233
		234	* * * * * * * * * * * * * * * * * *
		235
		236
		237	Another sometimes useful bit of functionality is the Linux signalfd, which
		238	is useful for faster signal handling (don't care). Kernel support for
		239	this will be probed at runtime, but your libc must contain the necessary
		240	wrapper. Glibc 2.7 and later should have this wrapper.
		241
		242	EOF
		243
		244	my $can_signalfd = -e "/usr/include/sys/signalfd.h";
		245	$can_signalfd = $ENV{EV_SIGNALFD} if exists $ENV{EV_SIGNALFD};
		246	$DEFINE .= " -DEV_USE_SIGNALFD=" . (0 + (prompt ("Enable linux signalfd support (y/n)?", $can_signalfd ? "y" : "n") =~ /[yY]/));
		247
		248	print <<EOF;
		249
		250	* * * * * * * * * * * * * * * * * *
		251
		252
		253	Very rarely, people want to tweak EV even more, e.g. to exclude
		254	or include certain watcher types or backends. This can be done by adding
		255	extra -D options here, or via the EV_EXTRA_DEFS environment variable.
		256
		257	For example, if you run into compile problems because of missing memory
		258	fences (or you just want extra performance), you can tell EV to not support
		259	smp and threads via -DEV_NO_THREADS.
		260
		261	Normal persons just press enter.
		262
		263	EOF
		264
		265	$DEFINE .= " " . prompt "Any extra -D options?", "$ENV{EV_EXTRA_DEFS}";
		266
		267	print <<EOF;
		268
		269	* * * * * * * * * * * * * * * * * *
		270
		271
		272	EOF
		273
179	my @anyevent = eval { require AnyEvent; $AnyEvent::VERSION < 2.6 } ? (AnyEvent => 2.6) : ();	274	my @anyevent = eval { require AnyEvent; $AnyEvent::VERSION < 5.29 } ? (AnyEvent => 5.29) : ();
180		275
181	WriteMakefile(	276	WriteMakefile(
182	dist => {	277	dist => {
183	PREOP => 'pod2text EV.pm \| tee README >$(DISTVNAME)/README; chmod -R u=rwX,go=rX . ;',	278	PREOP => 'pod2text EV.pm \| tee README >$(DISTVNAME)/README; chmod -R u=rwX,go=rX . ;',
184	COMPRESS => 'gzip -9v',	279	COMPRESS => 'gzip -9v',
185	SUFFIX => '.gz',	280	SUFFIX => '.gz',
186	},	281	},
187	depend => {	282	depend => {
188	"EV.c" => "EV/EVAPI.h "	283	"EV.c" => "EV/EVAPI.h "
189	. "libev/ev.c libev/ev.h libev/ev_epoll.c libev/ev_select.c libev/ev_kqueue.c libev/ev_poll.c "	284	. "libev/ev.c libev/ev.h libev/ev_epoll.c libev/ev_select.c libev/ev_kqueue.c libev/ev_poll.c "
190	. "libev/event.h libev/event.c evdns.h evdns.c libev/ev_vars.h libev/ev_wrap.h",	285	. "libev/ev_vars.h libev/ev_wrap.h",
191	},	286	},
192	INC => "-Ilibev",	287	INC => "-Ilibev",
193	DEFINE => "$DEFINE",	288	DEFINE => "$DEFINE",
194	NAME => "EV",	289	NAME => "EV",
195	LIBS => [$LIBS],	290	LIBS => [$LIBS],
196	PREREQ_PM => {	291	PREREQ_PM => {
197	@anyevent,	292	@anyevent,
		293	"common::sense" => 0,
198	},	294	},
199	VERSION_FROM => "EV.pm",	295	VERSION_FROM => "EV.pm",
200	PM => {	296	PM => {
201	'EV.pm' => '$(INST_LIBDIR)/EV.pm',	297	'EV.pm' => '$(INST_LIBDIR)/EV.pm',
202	'EV/DNS.pm' => '$(INST_LIBDIR)/EV/DNS.pm',
203	'EV/EVAPI.h' => '$(INST_LIBDIR)/EV/EVAPI.h',	298	'EV/EVAPI.h' => '$(INST_LIBDIR)/EV/EVAPI.h',
204	'EV/MakeMaker.pm' => '$(INST_LIBDIR)/EV/MakeMaker.pm',	299	'EV/MakeMaker.pm' => '$(INST_LIBDIR)/EV/MakeMaker.pm',
205	'libev/ev.h' => '$(INST_LIBDIR)/EV/ev.h',	300	'libev/ev.h' => '$(INST_LIBDIR)/EV/ev.h',
		301	'libev/ev.pod' => '$(INST_LIBDIR)/EV/libev.pod',
206	},	302	},
		303	MAN3PODS => {
		304	'EV.pm' => '$(INST_MAN3DIR)/EV.$(MAN3EXT)',
		305	'EV/MakeMaker.pm' => '$(INST_MAN3DIR)/EV::MakeMaker.$(MAN3EXT)',
		306	'libev/ev.pod' => '$(INST_MAN3DIR)/EV::libev.$(MAN3EXT)',
		307	},
207	);	308	);
208		309
209		310

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Comparing EV/Makefile.PL (file contents): Revision 1.20 by root, Wed Nov 14 22:30:50 2007 UTC vs. Revision 1.53 by root, Tue Jan 15 21:49:38 2013 UTC

Diff Legend

Comparing EV/Makefile.PL (file contents):
Revision 1.20 by root, Wed Nov 14 22:30:50 2007 UTC vs.
Revision 1.53 by root, Tue Jan 15 21:49:38 2013 UTC