[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 1.55 by root, Sat Sep 6 18:42:18 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	}
5		10
6	unless (-e "libev/ev_epoll.c") {	11	unless (-e "libev/ev_epoll.c") {
7	print <<EOF;	12	print <<EOF;
8		13
9	***	14	***
16	exit 1;	21	exit 1;
17	}	22	}
18		23
19	print <<EOF;	24	print <<EOF;
20		25
21
22	* * * * * * * * * * * * * * * * * *	26	* * * * * * * * * * * * * * * * * *
		27
23		28
24	Welcome to EV configuration. If you are in a hurry, just press return here	29	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.	30	and hope for the best. The defaults should usually do.
26		31
27	EOF	32	EOF
…		…
30	$ENV{PERL_MM_USE_DEFAULT} = 1;	35	$ENV{PERL_MM_USE_DEFAULT} = 1;
31	}	36	}
32		37
33	print <<EOF;	38	print <<EOF;
34		39
35
36	* * * * * * * * * * * * * * * * * *	40	* * * * * * * * * * * * * * * * * *
		41
37		42
38	POSIX optionally offers support for a monotonic clock source. EV	43	POSIX optionally offers support for a monotonic clock source. EV
39	can take advantage of this clock source to detect time jumps	44	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	45	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	46	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	47	the monotonic clock by answering 'n' here. Support for this clock type
43	will otherwise be autodetected at both compile- and runtime.	48	will otherwise be autodetected at both compile- and runtime. (this setting
		49	currently affects the use of nanosleep over select as well).
44		50
45	EOF	51	EOF
46		52
47	if (prompt ("Enable optional support for CLOCK_MONOTONIC (y/n)?", "y") =~ /[yY]/) {	53	my $DEFINE .= " -DEV_USE_MONOTONIC=" . (0 + (prompt ("Enable optional support for CLOCK_MONOTONIC (y/n)?", "y") =~ /[yY]/));
48	$DEFINE .= " -DEV_USE_MONOTONIC";
49	}
50		54
51	print <<EOF;	55	print <<EOF;
52		56
53
54	* * * * * * * * * * * * * * * * * *	57	* * * * * * * * * * * * * * * * * *
		58
55		59
56	POSIX optionally offers support for a (potentially) high-resolution	60	POSIX optionally offers support for a (potentially) high-resolution
57	realtime clock interface. In a good implementation, using it is faster	61	realtime clock interface. In a good implementation, using it is faster
58	than the normal method of using gettimeofday. Unfortunately, this option	62	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	63	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	64	actually call gettimeofday very often, so it defaults to no.
61	type will be autodetected at compiletime.
62		65
63	EOF	66	EOF
64		67
65	if (prompt ("Prefer clock_gettime (CLOCK_REALTIME) over gettimeofday (y/n)?", "y") !~ /[yY]/) {	68	$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		69
69	print <<EOF;	70	print <<EOF;
70		71
71
72	* * * * * * * * * * * * * * * * * *	72	* * * * * * * * * * * * * * * * * *
73		73
		74
74	EV can use various backends with various portability issue. The select	75	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	76	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	77	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	78	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	79	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.	80	OS, via the next question. I highly recommend keeping it in.
80		81
81	EOF	82	EOF
82		83
83	if (prompt ("Enable select backend (y/n)?", "y") =~ /[yY]/) {	84	if (prompt ("Enable select backend (y/n)?", "y") =~ /[yY]/) {
84	$DEFINE .= " -DEV_USE_SELECT";	85	$DEFINE .= " -DEV_USE_SELECT=1";
85		86
86	print <<EOF;	87	print <<EOF;
87		88
88
89	* * * * * * * * * * * * * * * * * *	89	* * * * * * * * * * * * * * * * * *
		90
90		91
91	The select backend can operate in two modes. One uses the system-provided	92	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),	93	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	94	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	95	suitable fd_mask type. If you run into problems compiling ev_select.c, you
…		…
96		97
97	EOF	98	EOF
98		99
99	if (prompt ("Force use of system fd_set for select backend (y/n)?", "n") =~ /[yY]/) {	100	if (prompt ("Force use of system fd_set for select backend (y/n)?", "n") =~ /[yY]/) {
100	$DEFINE .= " -DEV_SELECT_USE_FD_SET";	101	$DEFINE .= " -DEV_SELECT_USE_FD_SET";
101	}	102	}
102	}	103	} else {
		104	$DEFINE .= " -DEV_USE_SELECT=0";
		105	}
103		106
104	print <<EOF;	107	print <<EOF;
105		108
106
107	* * * * * * * * * * * * * * * * * *	109	* * * * * * * * * * * * * * * * * *
		110
108		111
109	The second very portable backend is poll(2). It does not exist on windows	112	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	113	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	114	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.	115	the default here unless you run into compile problems in ev_poll.c.
113		116
114	EOF	117	EOF
115		118
116	if (prompt ("Enable poll backend (y/n)?", (-e "/usr/include/poll.h") ? "y" : "n") =~ /[yY]/) {	119	$DEFINE .= " -DEV_USE_POLL=" . (0 + (prompt ("Enable poll backend (y/n)?", (have_inc "poll.h") ? "y" : "n") =~ /[yY]/));
117	$DEFINE .= " -DEV_USE_POLL";
118	}
119		120
120	print <<EOF;	121	print <<EOF;
121		122
122
123	* * * * * * * * * * * * * * * * * *	123	* * * * * * * * * * * * * * * * * *
124		124
125	EV by default uses select, which makes it hard to write efficient servers,	125
126	especially if the number of active conencitons is much lower than the open	126	Select and poll make it hard to write efficient servers, especially if the
		127	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	128	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	129	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,	130	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.	131	fall back to using select when epoll isn't available. If unsure, accept
131	If unsure, accept the default.	132	the default.
132		133
133	EOF	134	EOF
134		135
135	if (prompt ("Enable epoll backend (y/n)?", (-e "/usr/include/sys/epoll.h") ? "y" : "n") =~ /[yY]/) {	136	my $can_epoll = have_inc "sys/epoll.h";
136	$DEFINE .= " -DEV_USE_EPOLL";	137	$can_epoll = $ENV{EV_EPOLL} if exists $ENV{EV_EPOLL};
137	}	138	$DEFINE .= " -DEV_USE_EPOLL=" . (0 + (prompt ("Enable epoll backend (y/n)?", $can_epoll ? "y" : "n") =~ /[yY]/));
138		139
139	print <<EOF;	140	print <<EOF;
140		141
141
142	* * * * * * * * * * * * * * * * * *	142	* * * * * * * * * * * * * * * * * *
143		143
		144
144	Similarly to the epoll backend above, EV can take advantage of kqueue	145	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	146	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,	147	safe fallback to other methods when it cannot be used.
147	selling defective software works perfectly there). Support for kqueue will	148
		149	Note that kqueue is broken on most operating systems, so by default it
		150	won't be used on many platforms, but you can still create your own event
		151	loop with kqueue backend if you ask specifically for it.
		152
		153	Here is what we know:
		154
		155	NetBSD: partially working in at least 3.1 and later. Yeah! :)
		156	FreeBSD: broken on at least 6.2-STABLE, spotty in later versions,
		157	sockets likely work, ptys definitely don't.
		158	OpenBSD: reports indicate that it likely doesn't work
		159	(similar problems as on FreeBSD).
		160	OS X: completely, utterly broken on at least <= 10.6.
		161
		162	EOF
		163
		164	my $can_kqueue = have_inc "sys/event.h";
		165	$can_kqueue = $ENV{EV_KQUEUE} if exists $ENV{EV_KQUEUE};
		166	$DEFINE .= " -DEV_USE_KQUEUE=" . (0 + (prompt ("Enable kqueue backend (y/n)?", $can_kqueue ? "y" : "n") =~ /[yY]/));
		167
		168	print <<EOF;
		169
		170	* * * * * * * * * * * * * * * * * *
		171
		172
		173	Similarly to the kqueue backend above, EV can take advantage of the
		174	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	175	at runtime, with a safe fallback to other methods when it cannot be used.
149	cannot be used.
150		176
151	EOF	177	EOF
152		178
153	if (prompt ("Enable kqueue backend (y/n)?", (-e "/usr/include/sys/event.h") ? "y" : "n") =~ /[yY]/) {	179	$DEFINE .= " -DEV_USE_PORT=" . (0 + (prompt ("Enable event port backend (y/n)?", (have_inc "sys/port.h") ? "y" : "n") =~ /[yY]/));
154	$DEFINE .= " -DEV_USE_KQUEUE";
155	}
156		180
157	print <<EOF;	181	print <<EOF;
158		182
159
160	* * * * * * * * * * * * * * * * * *	183	* * * * * * * * * * * * * * * * * *
		184
161		185
162	EV needs the functions pthread_atfork and clock_gettime. On most systems	186	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	187	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	188	can specify additional libraries to provide these calls (and any other
165	default.	189	required by EV) now, or accept the default.
166		190
167	EOF	191	On GNU/Linux systems, EV uses the LSB 3.1 __register_atfork function
		192	to avoid the dependency on libpthread, and directly uses the clock_gettime
		193	syscall to avoid a dependency on librt.
168		194
		195	EOF
		196
		197	my $solaris_libs = $^O =~ /solaris/i ? "-lsocket -lnsl" : "";
		198	my $librt = $^O =~ /linux/i ? "" : "-lpthread -lrt";
		199	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";	200	$LIBS = prompt "Extra libraries for pthread_atfork and clock_gettime?", $LIBS;
170		201
171		202
172	print <<EOF;	203	print <<EOF;
173		204
174
175	* * * * * * * * * * * * * * * * * *	205	* * * * * * * * * * * * * * * * * *
176		206
177	EOF
178		207
		208	A backend of a different kind is the Linux inotify(7) interface, which can
		209	be used to speed up (and reduce resource consumption) of stat watchers. If
		210	you have the include file and libc support for it, it is usually a good
		211	idea to enable it, as kernel availability is detected at runtime.
		212
		213	EOF
		214
		215	my $can_inotify = have_inc "sys/inotify.h";
		216	$can_inotify = $ENV{EV_INOTIFY} if exists $ENV{EV_INOTIFY};
		217	$DEFINE .= " -DEV_USE_INOTIFY=" . (0 + (prompt ("Enable inotify support (y/n)?", $can_inotify ? "y" : "n") =~ /[yY]/));
		218
		219	print <<EOF;
		220
		221	* * * * * * * * * * * * * * * * * *
		222
		223
		224	Another useful bit of functionality is the Linux eventfd, which is useful
		225	for faster signal handling (don't care) and intra-thread communications
		226	(more relevant). Kernel support for this will be probed at runtime, but
		227	your libc must contain the necessary wrapper. Glibc 2.7 and later should
		228	have this wrapper.
		229
		230	EOF
		231
		232	my $can_eventfd = have_inc "sys/eventfd.h";
		233	$can_eventfd = $ENV{EV_EVENTFD} if exists $ENV{EV_EVENTFD};
		234	$DEFINE .= " -DEV_USE_EVENTFD=" . (0 + (prompt ("Enable linux eventfd support (y/n)?", $can_eventfd ? "y" : "n") =~ /[yY]/));
		235
		236	print <<EOF;
		237
		238	* * * * * * * * * * * * * * * * * *
		239
		240
		241	Another sometimes useful bit of functionality is the Linux signalfd, which
		242	is useful for faster signal handling (don't care). Kernel support for
		243	this will be probed at runtime, but your libc must contain the necessary
		244	wrapper. Glibc 2.7 and later should have this wrapper.
		245
		246	EOF
		247
		248	my $can_signalfd = have_inc "sys/signalfd.h";
		249	$can_signalfd = $ENV{EV_SIGNALFD} if exists $ENV{EV_SIGNALFD};
		250	$DEFINE .= " -DEV_USE_SIGNALFD=" . (0 + (prompt ("Enable linux signalfd support (y/n)?", $can_signalfd ? "y" : "n") =~ /[yY]/));
		251
		252	print <<EOF;
		253
		254	* * * * * * * * * * * * * * * * * *
		255
		256
		257	Very rarely, people want to tweak EV even more, e.g. to exclude
		258	or include certain watcher types or backends. This can be done by adding
		259	extra -D options here, or via the EV_EXTRA_DEFS environment variable.
		260
		261	For example, if you run into compile problems because of missing memory
		262	fences (or you just want extra performance), you can tell EV to not support
		263	smp and threads via -DEV_NO_THREADS.
		264
		265	Normal persons just press enter.
		266
		267	EOF
		268
		269	$DEFINE .= " " . prompt "Any extra -D options?", "$ENV{EV_EXTRA_DEFS}";
		270
		271	print <<EOF;
		272
		273	* * * * * * * * * * * * * * * * * *
		274
		275
		276	EOF
		277
179	my @anyevent = eval { require AnyEvent; $AnyEvent::VERSION < 2.6 } ? (AnyEvent => 2.6) : ();	278	my @anyevent = eval { require AnyEvent; $AnyEvent::VERSION < 5.29 } ? (AnyEvent => 5.29) : ();
180		279
181	WriteMakefile(	280	WriteMakefile(
182	dist => {	281	dist => {
183	PREOP => 'pod2text EV.pm \| tee README >$(DISTVNAME)/README; chmod -R u=rwX,go=rX . ;',	282	PREOP => 'pod2text EV.pm \| tee README >$(DISTVNAME)/README; chmod -R u=rwX,go=rX . ;',
184	COMPRESS => 'gzip -9v',	283	COMPRESS => 'gzip -9v',
185	SUFFIX => '.gz',	284	SUFFIX => '.gz',
186	},	285	},
187	depend => {	286	depend => {
188	"EV.c" => "EV/EVAPI.h "	287	"EV.c" => "EV/EVAPI.h "
189	. "libev/ev.c libev/ev.h libev/ev_epoll.c libev/ev_select.c libev/ev_kqueue.c libev/ev_poll.c "	288	. "libev/ev.c libev/ev.h libev/ev_epoll.c libev/ev_select.c libev/ev_kqueue.c libev/ev_poll.c "
190	. "libev/event.h libev/event.c evdns.h evdns.c libev/ev_vars.h libev/ev_wrap.h",	289	. "libev/ev_vars.h libev/ev_wrap.h",
191	},	290	},
192	INC => "-Ilibev",	291	INC => "-Ilibev",
193	DEFINE => "$DEFINE",	292	DEFINE => "$DEFINE",
194	NAME => "EV",	293	NAME => "EV",
195	LIBS => [$LIBS],	294	LIBS => [$LIBS],
196	PREREQ_PM => {	295	PREREQ_PM => {
197	@anyevent,	296	@anyevent,
		297	"common::sense" => 0,
198	},	298	},
199	VERSION_FROM => "EV.pm",	299	VERSION_FROM => "EV.pm",
200	PM => {	300	PM => {
201	'EV.pm' => '$(INST_LIBDIR)/EV.pm',	301	'EV.pm' => '$(INST_LIB)/EV.pm',
202	'EV/DNS.pm' => '$(INST_LIBDIR)/EV/DNS.pm',
203	'EV/EVAPI.h' => '$(INST_LIBDIR)/EV/EVAPI.h',	302	'EV/EVAPI.h' => '$(INST_LIB)/EV/EVAPI.h',
204	'EV/MakeMaker.pm' => '$(INST_LIBDIR)/EV/MakeMaker.pm',	303	'EV/MakeMaker.pm' => '$(INST_LIB)/EV/MakeMaker.pm',
205	'libev/ev.h' => '$(INST_LIBDIR)/EV/ev.h',	304	'libev/ev.h' => '$(INST_LIB)/EV/ev.h',
		305	'libev/ev.pod' => '$(INST_LIB)/EV/libev.pod',
206	},	306	},
		307	MAN3PODS => {
		308	'EV.pm' => '$(INST_MAN3DIR)/EV.$(MAN3EXT)',
		309	'EV/MakeMaker.pm' => '$(INST_MAN3DIR)/EV::MakeMaker.$(MAN3EXT)',
		310	'libev/ev.pod' => '$(INST_MAN3DIR)/EV::libev.$(MAN3EXT)',
		311	},
207	);	312	);
208		313
209		314

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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 1.55 by root, Sat Sep 6 18:42:18 2014 UTC

Diff Legend

Comparing EV/Makefile.PL (file contents):
Revision 1.20 by root, Wed Nov 14 22:30:50 2007 UTC vs.
Revision 1.55 by root, Sat Sep 6 18:42:18 2014 UTC