[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 1.56 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;
5		6
		7	sub have_inc($) {
		8	scalar grep -r "$_/$_[0]", $Config{usrinc}, split / /, $Config{incpth}
		9	}
		10
		11	my $DEFINE;
6		12
7	unless (-e "libev/ev_epoll.c") {	13	unless (-e "libev/ev_epoll.c") {
8	print <<EOF;	14	print <<EOF;
9		15
10	***	16	***
17	exit 1;	23	exit 1;
18	}	24	}
19		25
20	print <<EOF;	26	print <<EOF;
21		27
22
23	* * * * * * * * * * * * * * * * * *	28	* * * * * * * * * * * * * * * * * *
		29
24		30
25	Welcome to EV configuration. If you are in a hurry, just press return here	31	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.	32	and hope for the best. The defaults should usually do.
27		33
28	EOF	34	EOF
…		…
31	$ENV{PERL_MM_USE_DEFAULT} = 1;	37	$ENV{PERL_MM_USE_DEFAULT} = 1;
32	}	38	}
33		39
34	print <<EOF;	40	print <<EOF;
35		41
36
37	* * * * * * * * * * * * * * * * * *	42	* * * * * * * * * * * * * * * * * *
		43
38		44
39	POSIX optionally offers support for a monotonic clock source. EV	45	POSIX optionally offers support for a monotonic clock source. EV
40	can take advantage of this clock source to detect time jumps	46	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	47	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	48	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	49	the monotonic clock by answering 'n' here. Support for this clock type
44	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).
45		52
46	EOF	53	EOF
47		54
48	if (prompt ("Enable optional support for CLOCK_MONOTONIC (y/n)?", "y") =~ /[yY]/) {	55	unless (prompt ("Enable optional support for CLOCK_MONOTONIC (y/n)?", "y") =~ /[yY]/) {
49	$DEFINE .= " -DEV_USE_MONOTONIC";	56	$DEFINE .= " -DEV_USE_MONOTONIC=0";
50	}	57	}
51		58
52	print <<EOF;	59	print <<EOF;
53		60
54
55	* * * * * * * * * * * * * * * * * *	61	* * * * * * * * * * * * * * * * * *
		62
56		63
57	POSIX optionally offers support for a (potentially) high-resolution	64	POSIX optionally offers support for a (potentially) high-resolution
58	realtime clock interface. In a good implementation, using it is faster	65	realtime clock interface. In a good implementation, using it is faster
59	than the normal method of using gettimeofday. Unfortunately, this option	66	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	67	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	68	actually call gettimeofday very often, so it defaults to no.
62	type will be autodetected at compiletime.
63		69
64	EOF	70	EOF
65		71
66	if (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]/));
67	$DEFINE .= " -DEV_USE_REALTIME=0";
68	}
69		73
70	print <<EOF;	74	print <<EOF;
71		75
72
73	* * * * * * * * * * * * * * * * * *	76	* * * * * * * * * * * * * * * * * *
74		77
		78
75	EV can use various backends with various portability issue. The select	79	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	80	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	81	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	82	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	83	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.	84	OS, via the next question. I highly recommend keeping it in.
81		85
82	EOF	86	EOF
83		87
84	if (prompt ("Enable select backend (y/n)?", "y") =~ /[yY]/) {	88	if (prompt ("Enable select backend (y/n)?", "y") =~ /[yY]/) {
85	$DEFINE .= " -DEV_USE_SELECT";	89	$DEFINE .= " -DEV_USE_SELECT=1";
86		90
87	print <<EOF;	91	print <<EOF;
88		92
89
90	* * * * * * * * * * * * * * * * * *	93	* * * * * * * * * * * * * * * * * *
		94
91		95
92	The select backend can operate in two modes. One uses the system-provided	96	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),	97	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	98	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	99	suitable fd_mask type. If you run into problems compiling ev_select.c, you
…		…
97		101
98	EOF	102	EOF
99		103
100	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]/) {
101	$DEFINE .= " -DEV_SELECT_USE_FD_SET";	105	$DEFINE .= " -DEV_SELECT_USE_FD_SET";
102	}	106	}
103	}	107	} else {
		108	$DEFINE .= " -DEV_USE_SELECT=0";
		109	}
104		110
105	print <<EOF;	111	print <<EOF;
106		112
107
108	* * * * * * * * * * * * * * * * * *	113	* * * * * * * * * * * * * * * * * *
		114
109		115
110	The second very portable backend is poll(2). It does not exist on windows	116	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	117	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	118	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.	119	the default here unless you run into compile problems in ev_poll.c.
114		120
115	EOF	121	EOF
116		122
117	if (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]/));
118	$DEFINE .= " -DEV_USE_POLL";
119	}
120		124
121	print <<EOF;	125	print <<EOF;
122		126
123
124	* * * * * * * * * * * * * * * * * *	127	* * * * * * * * * * * * * * * * * *
125		128
126	EV by default uses select, which makes it hard to write efficient servers,	129
127	especially if the number of active conencitons is much lower than the open	130	Select and poll make it hard to write efficient servers, especially if the
		131	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	132	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	133	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,	134	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.	135	fall back to using select when epoll isn't available. If unsure, accept
132	If unsure, accept the default.	136	the default.
133		137
134	EOF	138	EOF
135		139
136	if (prompt ("Enable epoll backend (y/n)?", (-e "/usr/include/sys/epoll.h") ? "y" : "n") =~ /[yY]/) {	140	my $can_epoll = have_inc "sys/epoll.h";
137	$DEFINE .= " -DEV_USE_EPOLL";	141	$can_epoll = $ENV{EV_EPOLL} if exists $ENV{EV_EPOLL};
138	}	142	$DEFINE .= " -DEV_USE_EPOLL=" . (0 + (prompt ("Enable epoll backend (y/n)?", $can_epoll ? "y" : "n") =~ /[yY]/));
139		143
140	print <<EOF;	144	print <<EOF;
141		145
142
143	* * * * * * * * * * * * * * * * * *	146	* * * * * * * * * * * * * * * * * *
144		147
		148
145	Similarly to the epoll backend above, EV can take advantage of kqueue	149	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	150	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,	151	safe fallback to other methods when it cannot be used.
148	selling defective software works perfectly there). Support for kqueue will	152
		153	Note that kqueue is broken on most operating systems, so by default it
		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.
		156
		157	Here is what we know:
		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,
		161	sockets likely work, ptys definitely don't.
		162	OpenBSD: reports indicate that it likely doesn't work
		163	(similar problems as on FreeBSD).
		164	OS X: completely, utterly broken on at least <= 10.6.
		165
		166	EOF
		167
		168	my $can_kqueue = have_inc "sys/event.h";
		169	$can_kqueue = $ENV{EV_KQUEUE} if exists $ENV{EV_KQUEUE};
		170	$DEFINE .= " -DEV_USE_KQUEUE=" . (0 + (prompt ("Enable kqueue backend (y/n)?", $can_kqueue ? "y" : "n") =~ /[yY]/));
		171
		172	print <<EOF;
		173
		174	* * * * * * * * * * * * * * * * * *
		175
		176
		177	Similarly to the kqueue backend above, EV can take advantage of the
		178	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	179	at runtime, with a safe fallback to other methods when it cannot be used.
150	cannot be used.
151		180
152	EOF	181	EOF
153		182
154	if (prompt ("Enable kqueue backend (y/n)?", (-e "/usr/include/sys/event.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]/));
155	$DEFINE .= " -DEV_USE_KQUEUE";
156	}
157		184
158	print <<EOF;	185	print <<EOF;
159		186
160
161	* * * * * * * * * * * * * * * * * *	187	* * * * * * * * * * * * * * * * * *
		188
162		189
163	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
164	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
165	can specify additional libraries to provide these calls now, or accept the	192	can specify additional libraries to provide these calls (and any other
166	default.	193	required by EV) now, or accept the default.
167		194
168	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.
169		198
		199	EOF
		200
		201	my $solaris_libs = $^O =~ /solaris/i ? "-lsocket -lnsl" : "";
		202	my $librt = $^O =~ /linux/i ? "" : "-lpthread -lrt";
		203	my $LIBS = exists $ENV{EV_LIBS} ? $ENV{EV_LIBS} : "$librt $solaris_libs";
170	$LIBS = prompt "Extra libraries for pthread_atfork and clock_gettime?", "-lpthread -lrt";	204	$LIBS = prompt "Extra libraries for pthread_atfork and clock_gettime?", $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 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.
		216
178	EOF	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
		282	my @anyevent = eval { require AnyEvent; $AnyEvent::VERSION < 5.29 } ? (AnyEvent => 5.29) : ();
179		283
180	WriteMakefile(	284	WriteMakefile(
181	dist => {	285	dist => {
182	PREOP => 'pod2text EV.pm \| tee README >$(DISTVNAME)/README; chmod -R u=rwX,go=rX . ;',	286	PREOP => 'pod2text EV.pm \| tee README >$(DISTVNAME)/README; chmod -R u=rwX,go=rX . ;',
183	COMPRESS => 'gzip -9v',	287	COMPRESS => 'gzip -9v',
184	SUFFIX => '.gz',	288	SUFFIX => '.gz',
185	},	289	},
186	depend => {	290	depend => {
187	"EV.c" => "EV/EVAPI.h "	291	"EV.c" => "EV/EVAPI.h "
188	. "libev/ev.c libev/ev.h libev/ev_epoll.c libev/ev_select.c libev/ev_kqueue.c libev/ev_poll.c "	292	. "libev/ev.c libev/ev.h libev/ev_epoll.c libev/ev_select.c libev/ev_kqueue.c libev/ev_poll.c "
189	. "libev/event.h libev/event.c evdns.h evdns.c libev/ev_vars.h libev/ev_wrap.h",	293	. "libev/ev_vars.h libev/ev_wrap.h",
190	},	294	},
191	INC => "-Ilibev",	295	INC => "-Ilibev",
192	DEFINE => "$DEFINE",	296	DEFINE => "$DEFINE",
193	NAME => "EV",	297	NAME => "EV",
194	LIBS => [$LIBS],	298	LIBS => [$LIBS],
		299	PREREQ_PM => {
		300	@anyevent,
		301	"common::sense" => 0,
		302	},
195	VERSION_FROM => "EV.pm",	303	VERSION_FROM => "EV.pm",
196	PM => {	304	PM => {
197	'EV.pm' => '$(INST_LIBDIR)/EV.pm',	305	'EV.pm' => '$(INST_LIB)/EV.pm',
198	'EV/DNS.pm' => '$(INST_LIBDIR)/EV/DNS.pm',
199	'EV/EVAPI.h' => '$(INST_LIBDIR)/EV/EVAPI.h',	306	'EV/EVAPI.h' => '$(INST_LIB)/EV/EVAPI.h',
200	'EV/MakeMaker.pm' => '$(INST_LIBDIR)/EV/MakeMaker.pm',	307	'EV/MakeMaker.pm' => '$(INST_LIB)/EV/MakeMaker.pm',
201	'libev/ev.h' => '$(INST_LIBDIR)/EV/ev.h',	308	'libev/ev.h' => '$(INST_LIB)/EV/ev.h',
		309	'libev/ev.pod' => '$(INST_LIB)/EV/libev.pod',
202	},	310	},
		311	MAN3PODS => {
		312	'EV.pm' => '$(INST_MAN3DIR)/EV.$(MAN3EXT)',
		313	'EV/MakeMaker.pm' => '$(INST_MAN3DIR)/EV::MakeMaker.$(MAN3EXT)',
		314	'libev/ev.pod' => '$(INST_MAN3DIR)/EV::libev.$(MAN3EXT)',
		315	},
203	);	316	);
204		317
205		318

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 1.56 by root, Sat Sep 6 19:03:28 2014 UTC

Diff Legend

Comparing EV/Makefile.PL (file contents):
Revision 1.19 by root, Mon Nov 12 01:01:13 2007 UTC vs.
Revision 1.56 by root, Sat Sep 6 19:03:28 2014 UTC