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

Comparing EV/Makefile.PL (file contents):
Revision 1.23 by root, Thu Nov 22 04:52:24 2007 UTC vs.
Revision 1.56 by root, Sat Sep 6 19:03:28 2014 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;
		6
		7	sub have_inc($) {
		8	scalar grep -r "$_/$_[0]", $Config{usrinc}, split / /, $Config{incpth}
		9	}
		10
		11	my $DEFINE;
5		12
6	unless (-e "libev/ev_epoll.c") {	13	unless (-e "libev/ev_epoll.c") {
7	print <<EOF;	14	print <<EOF;
8		15
9	***	16	***
34		41
35	* * * * * * * * * * * * * * * * * *	42	* * * * * * * * * * * * * * * * * *
36		43
37		44
38	POSIX optionally offers support for a monotonic clock source. EV	45	POSIX optionally offers support for a monotonic clock source. EV
39	can take advantage of this clock source to detect time jumps	46	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	47	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	48	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	49	the monotonic clock by answering 'n' here. Support for this clock type
43	will otherwise be autodetected at both compile- and runtime.	50	will otherwise be autodetected at both compile- and runtime. (this setting
		51	currently affects the use of nanosleep over select as well).
44		52
45	EOF	53	EOF
46		54
47	$DEFINE .= " -DEV_USE_MONOTONIC=" . (0 + (prompt ("Enable optional support for CLOCK_MONOTONIC (y/n)?", "y") =~ /[yY]/));	55	unless (prompt ("Enable optional support for CLOCK_MONOTONIC (y/n)?", "y") =~ /[yY]/) {
		56	$DEFINE .= " -DEV_USE_MONOTONIC=0";
		57	}
48		58
49	print <<EOF;	59	print <<EOF;
50		60
51	* * * * * * * * * * * * * * * * * *	61	* * * * * * * * * * * * * * * * * *
52		62
53		63
54	POSIX optionally offers support for a (potentially) high-resolution	64	POSIX optionally offers support for a (potentially) high-resolution
55	realtime clock interface. In a good implementation, using it is faster	65	realtime clock interface. In a good implementation, using it is faster
56	than the normal method of using gettimeofday. Unfortunately, this option	66	than the normal method of using gettimeofday. Unfortunately, this option
57	is also bound to be broken on some systems, so you can disable use and	67	is also bound to be broken on some systems, and current EV versions do not
58	probing of this feature altogether here. Otherwise support for this clock	68	actually call gettimeofday very often, so it defaults to no.
59	type will be autodetected at compiletime.
60		69
61	EOF	70	EOF
62		71
63	$DEFINE .= " -DEV_USE_REALTIME=" . (0 + (prompt ("Prefer clock_gettime (CLOCK_REALTIME) over gettimeofday (y/n)?", "y") =~ /[yY]/));	72	$DEFINE .= " -DEV_USE_REALTIME=" . (0 + (prompt ("Prefer clock_gettime (CLOCK_REALTIME) over gettimeofday (y/n)?", "n") =~ /[yY]/));
64		73
65	print <<EOF;	74	print <<EOF;
66		75
67	* * * * * * * * * * * * * * * * * *	76	* * * * * * * * * * * * * * * * * *
68		77
69		78
70	EV can use various backends with various portability issue. The select	79	EV can use various backends with various portability issues. The select
71	backend is the most portable and makes for a good fallback, but it can be	80	backend is the most portable and makes for a good fallback, but it can be
72	limited to a low number of file descriptors and/or might not compile. If	81	limited to a low number of file descriptors and/or might not compile. If
73	you have problems with compiling ev_select.c, you might try to play around	82	you have problems with compiling ev_select.c, you might try to play around
74	with disabling it here, or forcing it to use the fd_set provided by your	83	with disabling it here, or forcing it to use the fd_set provided by your
75	OS, via the next question. I highly recommend keeping it in.	84	OS, via the next question. I highly recommend keeping it in.
…		…
92		101
93	EOF	102	EOF
94		103
95	if (prompt ("Force use of system fd_set for select backend (y/n)?", "n") =~ /[yY]/) {	104	if (prompt ("Force use of system fd_set for select backend (y/n)?", "n") =~ /[yY]/) {
96	$DEFINE .= " -DEV_SELECT_USE_FD_SET";	105	$DEFINE .= " -DEV_SELECT_USE_FD_SET";
97	}	106	}
98	} else {	107	} else {
99	$DEFINE .= " -DEV_USE_SELECT=0";	108	$DEFINE .= " -DEV_USE_SELECT=0";
100	}	109	}
101		110
102	print <<EOF;	111	print <<EOF;
103		112
104	* * * * * * * * * * * * * * * * * *	113	* * * * * * * * * * * * * * * * * *
105		114
…		…
109	doesn't work), but works basically everywhere else. It is recommended to use	118	doesn't work), but works basically everywhere else. It is recommended to use
110	the default here unless you run into compile problems in ev_poll.c.	119	the default here unless you run into compile problems in ev_poll.c.
111		120
112	EOF	121	EOF
113		122
114	$DEFINE .= " -DEV_USE_POLL=" . (0 + (prompt ("Enable poll backend (y/n)?", (-e "/usr/include/poll.h") ? "y" : "n") =~ /[yY]/));	123	$DEFINE .= " -DEV_USE_POLL=" . (0 + (prompt ("Enable poll backend (y/n)?", (have_inc "poll.h") ? "y" : "n") =~ /[yY]/));
115		124
116	print <<EOF;	125	print <<EOF;
117		126
118	* * * * * * * * * * * * * * * * * *	127	* * * * * * * * * * * * * * * * * *
119		128
120		129
121	EV by default uses select, which makes it hard to write efficient servers,	130	Select and poll make it hard to write efficient servers, especially if the
122	especially if the number of active connections is much lower than the open	131	number of active connections is much lower than the watched ones. GNU/Linux
123	ones. GNU/Linux systems have a more scalable method called "epoll", which	132	systems have a more scalable method called "epoll", which EV can use. For
124	EV can use. For this to work, both your kernel and glibc have to support	133	this to work, both your kernel and glibc have to support epoll, but if you
125	epoll, but if you can compile it, the detection will be done at runtime,	134	can compile it, the detection will be done at runtime, and EV will safely
126	and EV will safely fall back to using select when epoll isn't available.	135	fall back to using select when epoll isn't available. If unsure, accept
127	If unsure, accept the default.	136	the default.
128		137
129	EOF	138	EOF
130		139
		140	my $can_epoll = have_inc "sys/epoll.h";
		141	$can_epoll = $ENV{EV_EPOLL} if exists $ENV{EV_EPOLL};
131	$DEFINE .= " -DEV_USE_EPOLL=" . (0 + (prompt ("Enable epoll backend (y/n)?", (-e "/usr/include/sys/epoll.h") ? "y" : "n") =~ /[yY]/));	142	$DEFINE .= " -DEV_USE_EPOLL=" . (0 + (prompt ("Enable epoll backend (y/n)?", $can_epoll ? "y" : "n") =~ /[yY]/));
132		143
133	print <<EOF;	144	print <<EOF;
134		145
135	* * * * * * * * * * * * * * * * * *	146	* * * * * * * * * * * * * * * * * *
136		147
137		148
138	Similarly to the epoll backend above, EV can take advantage of kqueue on	149	Similarly to the epoll backend above, EV can take advantage of kqueue on
139	many BSD systems. Support for kqueue will be detected at runtime, with a	150	many BSD systems. Support for kqueue will be detected at runtime, with a
140	safe fallback to other methods when it cannot be used.	151	safe fallback to other methods when it cannot be used.
141		152
142	Note that kqueue is broken on most operating systems, so it defaults to	153	Note that kqueue is broken on most operating systems, so by default it
143	'n' on most platforms that claim to support it. Here is what we know:	154	won't be used on many platforms, but you can still create your own event
		155	loop with kqueue backend if you ask specifically for it.
144		156
145	OS X: completely, utterly broken on at least <= 10.5.	157	Here is what we know:
146	FreeBSD: broken on at least <= 6.2-STABLE,	158
		159	NetBSD: partially working in at least 3.1 and later. Yeah! :)
		160	FreeBSD: broken on at least 6.2-STABLE, spotty in later versions,
147	sockets and pipes might work, ptys definitely don't.	161	sockets likely work, ptys definitely don't.
148	NetBSD: reports indicate that it likely WORKS. Yeah! :)
149	OpenBSD: reports indicate that it likely doesn't work	162	OpenBSD: reports indicate that it likely doesn't work
150	(similar problems as on FreeBSD).	163	(similar problems as on FreeBSD).
		164	OS X: completely, utterly broken on at least <= 10.6.
151		165
152	EOF	166	EOF
153		167
154	my $can_kqueue = $^O =~ /netbsd/i && -e "/usr/include/sys/event.h";	168	my $can_kqueue = have_inc "sys/event.h";
155		169	$can_kqueue = $ENV{EV_KQUEUE} if exists $ENV{EV_KQUEUE};
156	$DEFINE .= " -DEV_USE_KQUEUE=" . (0 + (prompt ("Enable kqueue backend (y/n)?", $can_kqueue ? "y" : "n") =~ /[yY]/));	170	$DEFINE .= " -DEV_USE_KQUEUE=" . (0 + (prompt ("Enable kqueue backend (y/n)?", $can_kqueue ? "y" : "n") =~ /[yY]/));
157		171
158	print <<EOF;	172	print <<EOF;
159		173
160	* * * * * * * * * * * * * * * * * *	174	* * * * * * * * * * * * * * * * * *
161		175
162		176
163	Similarly to the kqueue backend above, EV can take advantage of the	177	Similarly to the kqueue backend above, EV can take advantage of the
164	solaris 10 port interface. Support for port will be detected at runtime,	178	solaris 10 event port interface. Support for event ports will be detected
165	with a safe fallback to other methods when it cannot be used.	179	at runtime, with a safe fallback to other methods when it cannot be used.
166		180
167	EOF	181	EOF
168		182
169	$DEFINE .= " -DEV_USE_PORT=" . (0 + (prompt ("Enable port backend (y/n)?", (-e "/usr/include/sys/port.h") ? "y" : "n") =~ /[yY]/));	183	$DEFINE .= " -DEV_USE_PORT=" . (0 + (prompt ("Enable event port backend (y/n)?", (have_inc "sys/port.h") ? "y" : "n") =~ /[yY]/));
170		184
171	print <<EOF;	185	print <<EOF;
172		186
173	* * * * * * * * * * * * * * * * * *	187	* * * * * * * * * * * * * * * * * *
174		188
…		…
176	EV needs the functions pthread_atfork and clock_gettime. On most systems	190	EV needs the functions pthread_atfork and clock_gettime. On most systems
177	you need some special libraries for this (such as -lrt and -lpthread). You	191	you need some special libraries for this (such as -lrt and -lpthread). You
178	can specify additional libraries to provide these calls (and any other	192	can specify additional libraries to provide these calls (and any other
179	required by EV) now, or accept the default.	193	required by EV) now, or accept the default.
180		194
181	EOF	195	On GNU/Linux systems, EV uses the LSB 3.1 __register_atfork function
		196	to avoid the dependency on libpthread, and directly uses the clock_gettime
		197	syscall to avoid a dependency on librt.
182		198
		199	EOF
		200
183	$SOLARIS_LIBS = $^O =~ /solaris/ ? " -lsocket -lnsl" : "";	201	my $solaris_libs = $^O =~ /solaris/i ? "-lsocket -lnsl" : "";
184		202	my $librt = $^O =~ /linux/i ? "" : "-lpthread -lrt";
		203	my $LIBS = exists $ENV{EV_LIBS} ? $ENV{EV_LIBS} : "$librt $solaris_libs";
185	$LIBS = prompt "Extra libraries for pthread_atfork and clock_gettime?", "-lpthread -lrt$SOLARIS_LIBS";	204	$LIBS = prompt "Extra libraries for pthread_atfork and clock_gettime?", $LIBS;
186		205
187		206
188	print <<EOF;	207	print <<EOF;
189		208
190	* * * * * * * * * * * * * * * * * *	209	* * * * * * * * * * * * * * * * * *
191		210
192		211
193	EOF	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 the include file and libc support for it, it is usually a good
		215	idea to enable it, as kernel availability is detected at runtime.
194		216
		217	EOF
		218
		219	my $can_inotify = have_inc "sys/inotify.h";
		220	$can_inotify = $ENV{EV_INOTIFY} if exists $ENV{EV_INOTIFY};
		221	$DEFINE .= " -DEV_USE_INOTIFY=" . (0 + (prompt ("Enable inotify support (y/n)?", $can_inotify ? "y" : "n") =~ /[yY]/));
		222
		223	print <<EOF;
		224
		225	* * * * * * * * * * * * * * * * * *
		226
		227
		228	Another useful bit of functionality is the Linux eventfd, which is useful
		229	for faster signal handling (don't care) and intra-thread communications
		230	(more relevant). Kernel support for this will be probed at runtime, but
		231	your libc must contain the necessary wrapper. Glibc 2.7 and later should
		232	have this wrapper.
		233
		234	EOF
		235
		236	my $can_eventfd = have_inc "sys/eventfd.h";
		237	$can_eventfd = $ENV{EV_EVENTFD} if exists $ENV{EV_EVENTFD};
		238	$DEFINE .= " -DEV_USE_EVENTFD=" . (0 + (prompt ("Enable linux eventfd support (y/n)?", $can_eventfd ? "y" : "n") =~ /[yY]/));
		239
		240	print <<EOF;
		241
		242	* * * * * * * * * * * * * * * * * *
		243
		244
		245	Another sometimes useful bit of functionality is the Linux signalfd, which
		246	is useful for faster signal handling (don't care). Kernel support for
		247	this will be probed at runtime, but your libc must contain the necessary
		248	wrapper. Glibc 2.7 and later should have this wrapper.
		249
		250	EOF
		251
		252	my $can_signalfd = have_inc "sys/signalfd.h";
		253	$can_signalfd = $ENV{EV_SIGNALFD} if exists $ENV{EV_SIGNALFD};
		254	$DEFINE .= " -DEV_USE_SIGNALFD=" . (0 + (prompt ("Enable linux signalfd support (y/n)?", $can_signalfd ? "y" : "n") =~ /[yY]/));
		255
		256	print <<EOF;
		257
		258	* * * * * * * * * * * * * * * * * *
		259
		260
		261	Very rarely, people want to tweak EV even more, e.g. to exclude
		262	or include certain watcher types or backends. This can be done by adding
		263	extra -D options here, or via the EV_EXTRA_DEFS environment variable.
		264
		265	For example, if you run into compile problems because of missing memory
		266	fences (or you just want extra performance), you can tell EV to not support
		267	smp and threads via -DEV_NO_THREADS.
		268
		269	Normal persons just press enter.
		270
		271	EOF
		272
		273	$DEFINE .= " " . prompt "Any extra -D options?", "$ENV{EV_EXTRA_DEFS}";
		274
		275	print <<EOF;
		276
		277	* * * * * * * * * * * * * * * * * *
		278
		279
		280	EOF
		281
195	my @anyevent = eval { require AnyEvent; $AnyEvent::VERSION < 2.6 } ? (AnyEvent => 2.6) : ();	282	my @anyevent = eval { require AnyEvent; $AnyEvent::VERSION < 5.29 } ? (AnyEvent => 5.29) : ();
196		283
197	WriteMakefile(	284	WriteMakefile(
198	dist => {	285	dist => {
199	PREOP => 'pod2text EV.pm \| tee README >$(DISTVNAME)/README; chmod -R u=rwX,go=rX . ;',	286	PREOP => 'pod2text EV.pm \| tee README >$(DISTVNAME)/README; chmod -R u=rwX,go=rX . ;',
200	COMPRESS => 'gzip -9v',	287	COMPRESS => 'gzip -9v',
201	SUFFIX => '.gz',	288	SUFFIX => '.gz',
202	},	289	},
203	depend => {	290	depend => {
204	"EV.c" => "EV/EVAPI.h "	291	"EV.c" => "EV/EVAPI.h "
205	. "libev/ev.c libev/ev.h libev/ev_epoll.c libev/ev_select.c libev/ev_kqueue.c libev/ev_poll.c "	292	. "libev/ev.c libev/ev.h libev/ev_epoll.c libev/ev_select.c libev/ev_kqueue.c libev/ev_poll.c "
206	. "libev/event.h libev/event.c evdns.h evdns.c libev/ev_vars.h libev/ev_wrap.h",	293	. "libev/ev_vars.h libev/ev_wrap.h",
207	},	294	},
208	INC => "-Ilibev",	295	INC => "-Ilibev",
209	DEFINE => "$DEFINE",	296	DEFINE => "$DEFINE",
210	NAME => "EV",	297	NAME => "EV",
211	LIBS => [$LIBS],	298	LIBS => [$LIBS],
212	PREREQ_PM => {	299	PREREQ_PM => {
213	@anyevent,	300	@anyevent,
		301	"common::sense" => 0,
214	},	302	},
215	VERSION_FROM => "EV.pm",	303	VERSION_FROM => "EV.pm",
216	PM => {	304	PM => {
217	'EV.pm' => '$(INST_LIBDIR)/EV.pm',	305	'EV.pm' => '$(INST_LIB)/EV.pm',
218	'EV/DNS.pm' => '$(INST_LIBDIR)/EV/DNS.pm',
219	'EV/EVAPI.h' => '$(INST_LIBDIR)/EV/EVAPI.h',	306	'EV/EVAPI.h' => '$(INST_LIB)/EV/EVAPI.h',
220	'EV/MakeMaker.pm' => '$(INST_LIBDIR)/EV/MakeMaker.pm',	307	'EV/MakeMaker.pm' => '$(INST_LIB)/EV/MakeMaker.pm',
221	'libev/ev.h' => '$(INST_LIBDIR)/EV/ev.h',	308	'libev/ev.h' => '$(INST_LIB)/EV/ev.h',
		309	'libev/ev.pod' => '$(INST_LIB)/EV/libev.pod',
222	},	310	},
		311	MAN3PODS => {
		312	'EV.pm' => '$(INST_MAN3DIR)/EV.$(MAN3EXT)',
		313	'EV/MakeMaker.pm' => '$(INST_MAN3DIR)/EV::MakeMaker.$(MAN3EXT)',
		314	'libev/ev.pod' => '$(INST_MAN3DIR)/EV::libev.$(MAN3EXT)',
		315	},
223	);	316	);
224		317
225		318

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Comparing EV/Makefile.PL (file contents): Revision 1.23 by root, Thu Nov 22 04:52:24 2007 UTC vs. Revision 1.56 by root, Sat Sep 6 19:03:28 2014 UTC

Diff Legend

Comparing EV/Makefile.PL (file contents):
Revision 1.23 by root, Thu Nov 22 04:52:24 2007 UTC vs.
Revision 1.56 by root, Sat Sep 6 19:03:28 2014 UTC