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

Comparing EV/Makefile.PL (file contents):
Revision 1.24 by root, Fri Nov 23 03:39:15 2007 UTC vs.
Revision 1.59 by root, Sat Jun 22 16:43:05 2019 UTC

…		…
1	use 5.006;	1	use strict qw(vars subs);
2		2	use Canary::Stability EV => 1, 5.008002;
3	use Config;	3	use Config;
4	use ExtUtils::MakeMaker;	4	use ExtUtils::MakeMaker;
		5
		6	sub have_inc($) {
		7	scalar grep -r "$_/$_[0]", $Config{usrinc}, split / /, $Config{incpth}
		8	}
		9
		10	my $DEFINE;
5		11
6	unless (-e "libev/ev_epoll.c") {	12	unless (-e "libev/ev_epoll.c") {
7	print <<EOF;	13	print <<EOF;
8		14
9	***	15	***
34		40
35	* * * * * * * * * * * * * * * * * *	41	* * * * * * * * * * * * * * * * * *
36		42
37		43
38	POSIX optionally offers support for a monotonic clock source. EV	44	POSIX optionally offers support for a monotonic clock source. EV
39	can take advantage of this clock source to detect time jumps	45	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	46	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	47	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	48	the monotonic clock by answering 'n' here. Support for this clock type
43	will otherwise be autodetected at both compile- and runtime.	49	will otherwise be autodetected at both compile- and runtime. (this setting
		50	currently affects the use of nanosleep over select as well).
44		51
45	EOF	52	EOF
46		53
47	$DEFINE .= " -DEV_USE_MONOTONIC=" . (0 + (prompt ("Enable optional support for CLOCK_MONOTONIC (y/n)?", "y") =~ /[yY]/));	54	unless (prompt ("Enable optional support for CLOCK_MONOTONIC (y/n)?", "y") =~ /[yY]/) {
		55	$DEFINE .= " -DEV_USE_MONOTONIC=0";
		56	}
48		57
49	print <<EOF;	58	print <<EOF;
50		59
51	* * * * * * * * * * * * * * * * * *	60	* * * * * * * * * * * * * * * * * *
52		61
53		62
54	POSIX optionally offers support for a (potentially) high-resolution	63	POSIX optionally offers support for a (potentially) high-resolution
55	realtime clock interface. In a good implementation, using it is faster	64	realtime clock interface. In a good implementation, using it is faster
56	than the normal method of using gettimeofday. Unfortunately, this option	65	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	66	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	67	actually call gettimeofday very often, so it defaults to no.
59	type will be autodetected at compiletime.
60		68
61	EOF	69	EOF
62		70
63	$DEFINE .= " -DEV_USE_REALTIME=" . (0 + (prompt ("Prefer clock_gettime (CLOCK_REALTIME) over gettimeofday (y/n)?", "y") =~ /[yY]/));	71	$DEFINE .= " -DEV_USE_REALTIME=" . (0 + (prompt ("Prefer clock_gettime (CLOCK_REALTIME) over gettimeofday (y/n)?", "n") =~ /[yY]/));
64		72
65	print <<EOF;	73	print <<EOF;
66		74
67	* * * * * * * * * * * * * * * * * *	75	* * * * * * * * * * * * * * * * * *
68		76
69		77
70	EV can use various backends with various portability issue. The select	78	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	79	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	80	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	81	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	82	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.	83	OS, via the next question. I highly recommend keeping it in.
…		…
92		100
93	EOF	101	EOF
94		102
95	if (prompt ("Force use of system fd_set for select backend (y/n)?", "n") =~ /[yY]/) {	103	if (prompt ("Force use of system fd_set for select backend (y/n)?", "n") =~ /[yY]/) {
96	$DEFINE .= " -DEV_SELECT_USE_FD_SET";	104	$DEFINE .= " -DEV_SELECT_USE_FD_SET";
97	}	105	}
98	} else {	106	} else {
99	$DEFINE .= " -DEV_USE_SELECT=0";	107	$DEFINE .= " -DEV_USE_SELECT=0";
100	}	108	}
101		109
102	print <<EOF;	110	print <<EOF;
103		111
104	* * * * * * * * * * * * * * * * * *	112	* * * * * * * * * * * * * * * * * *
105		113
…		…
109	doesn't work), but works basically everywhere else. It is recommended to use	117	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.	118	the default here unless you run into compile problems in ev_poll.c.
111		119
112	EOF	120	EOF
113		121
114	$DEFINE .= " -DEV_USE_POLL=" . (0 + (prompt ("Enable poll backend (y/n)?", (-e "/usr/include/poll.h") ? "y" : "n") =~ /[yY]/));	122	$DEFINE .= " -DEV_USE_POLL=" . (0 + (prompt ("Enable poll backend (y/n)?", (have_inc "poll.h") ? "y" : "n") =~ /[yY]/));
115		123
116	print <<EOF;	124	print <<EOF;
117		125
118	* * * * * * * * * * * * * * * * * *	126	* * * * * * * * * * * * * * * * * *
119		127
…		…
126	fall back to using select when epoll isn't available. If unsure, accept	134	fall back to using select when epoll isn't available. If unsure, accept
127	the default.	135	the default.
128		136
129	EOF	137	EOF
130		138
		139	my $can_epoll = have_inc "sys/epoll.h";
		140	$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]/));	141	$DEFINE .= " -DEV_USE_EPOLL=" . (0 + (prompt ("Enable epoll backend (y/n)?", $can_epoll ? "y" : "n") =~ /[yY]/));
		142
		143	print <<EOF;
		144
		145	* * * * * * * * * * * * * * * * * *
		146
		147
		148	Linux 4.18 introduced another event polling interface, this time using
		149	the Linux AIO API. While this API is far superior to epoll and almost
		150	rivals kqueue, it also suffers from the same issues as kqueue typically
		151	does: only a subset of file types are supported (as of 4.19, I have seen
		152	eventfd, pipes, sockets files and some devices, but no ttys). It also
		153	is subject arbitrary system-wide limits imposed on it. Therefore, this
		154	backend is not used by default, even when it is compiled in, and you have
		155	to request it explicitly, e.g. with LIBEV_FLAGS=64. If unsure, accept the
		156	default.
		157
		158	EOF
		159
		160	my $can_linuxaio = have_inc "linux/aio_abi.h";
		161	$can_linuxaio = $ENV{EV_LINUXAIO} if exists $ENV{EV_LINUXAIO};
		162	$DEFINE .= " -DEV_USE_LINUXAIO=" . (0 + (prompt ("Enable linux aio backend (y/n)?", $can_linuxaio ? "y" : "n") =~ /[yY]/));
132		163
133	print <<EOF;	164	print <<EOF;
134		165
135	* * * * * * * * * * * * * * * * * *	166	* * * * * * * * * * * * * * * * * *
136		167
137		168
138	Similarly to the epoll backend above, EV can take advantage of kqueue on	169	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	170	many BSD systems. Support for kqueue will be detected at runtime, with a
140	safe fallback to other methods when it cannot be used.	171	safe fallback to other methods when it cannot be used.
141		172
142	Note that kqueue is broken on most operating systems, so it defaults to	173	Note that kqueue is broken on most operating systems, so by default it
143	'n' on everything but netbsd. Here is what we know:	174	won't be used on many platforms, but you can still create your own event
		175	loop with kqueue backend if you ask specifically for it.
144		176
		177	Here is what we know:
		178
145	NetBSD: working in at least 3.1. Yeah! :)	179	NetBSD: partially working in at least 3.1 and later. Yeah! :)
146	FreeBSD: broken on at least 6.2-STABLE,	180	FreeBSD: broken on at least 6.2-STABLE, spotty in later versions,
147	sockets and pipes might work, ptys definitely don't.	181	sockets likely work, ptys definitely don't.
148	OpenBSD: reports indicate that it likely doesn't work	182	OpenBSD: reports indicate that it likely doesn't work
149	(similar problems as on FreeBSD).	183	(similar problems as on FreeBSD).
150	OS X: completely, utterly broken on at least <= 10.5.	184	OS X: completely, utterly broken on at least <= 10.6.
151		185
152	EOF	186	EOF
153		187
154	my $can_kqueue = $^O =~ /netbsd/i && -e "/usr/include/sys/event.h";	188	my $can_kqueue = have_inc "sys/event.h";
155		189	$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]/));	190	$DEFINE .= " -DEV_USE_KQUEUE=" . (0 + (prompt ("Enable kqueue backend (y/n)?", $can_kqueue ? "y" : "n") =~ /[yY]/));
157		191
158	print <<EOF;	192	print <<EOF;
159		193
160	* * * * * * * * * * * * * * * * * *	194	* * * * * * * * * * * * * * * * * *
161		195
162		196
163	Similarly to the kqueue backend above, EV can take advantage of the	197	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,	198	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.	199	at runtime, with a safe fallback to other methods when it cannot be used.
166		200
167	EOF	201	EOF
168		202
169	$DEFINE .= " -DEV_USE_PORT=" . (0 + (prompt ("Enable port backend (y/n)?", (-e "/usr/include/sys/port.h") ? "y" : "n") =~ /[yY]/));	203	$DEFINE .= " -DEV_USE_PORT=" . (0 + (prompt ("Enable event port backend (y/n)?", (have_inc "sys/port.h") ? "y" : "n") =~ /[yY]/));
170		204
171	print <<EOF;	205	print <<EOF;
172		206
173	* * * * * * * * * * * * * * * * * *	207	* * * * * * * * * * * * * * * * * *
174		208
…		…
176	EV needs the functions pthread_atfork and clock_gettime. On most systems	210	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	211	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	212	can specify additional libraries to provide these calls (and any other
179	required by EV) now, or accept the default.	213	required by EV) now, or accept the default.
180		214
181	EOF	215	On GNU/Linux systems, EV uses the LSB 3.1 __register_atfork function
		216	to avoid the dependency on libpthread, and directly uses the clock_gettime
		217	syscall to avoid a dependency on librt.
182		218
		219	EOF
		220
183	$SOLARIS_LIBS = $^O =~ /solaris/ ? " -lsocket -lnsl" : "";	221	my $solaris_libs = $^O =~ /solaris/i ? "-lsocket -lnsl" : "";
184		222	my $librt = $^O =~ /linux/i ? "" : "-lpthread -lrt";
		223	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";	224	$LIBS = prompt "Extra libraries for pthread_atfork and clock_gettime?", $LIBS;
186		225
187		226
188	print <<EOF;	227	print <<EOF;
189		228
190	* * * * * * * * * * * * * * * * * *	229	* * * * * * * * * * * * * * * * * *
191		230
192		231
193	EOF	232	A backend of a different kind is the Linux inotify(7) interface, which can
		233	be used to speed up (and reduce resource consumption) of stat watchers. If
		234	you have the include file and libc support for it, it is usually a good
		235	idea to enable it, as kernel availability is detected at runtime.
194		236
		237	EOF
		238
		239	my $can_inotify = have_inc "sys/inotify.h";
		240	$can_inotify = $ENV{EV_INOTIFY} if exists $ENV{EV_INOTIFY};
		241	$DEFINE .= " -DEV_USE_INOTIFY=" . (0 + (prompt ("Enable inotify support (y/n)?", $can_inotify ? "y" : "n") =~ /[yY]/));
		242
		243	print <<EOF;
		244
		245	* * * * * * * * * * * * * * * * * *
		246
		247
		248	Another useful bit of functionality is the Linux eventfd, which is useful
		249	for faster signal handling (don't care) and intra-thread communications
		250	(more relevant). Kernel support for this will be probed at runtime, but
		251	your libc must contain the necessary wrapper. Glibc 2.7 and later should
		252	have this wrapper.
		253
		254	EOF
		255
		256	my $can_eventfd = have_inc "sys/eventfd.h";
		257	$can_eventfd = $ENV{EV_EVENTFD} if exists $ENV{EV_EVENTFD};
		258	$DEFINE .= " -DEV_USE_EVENTFD=" . (0 + (prompt ("Enable linux eventfd support (y/n)?", $can_eventfd ? "y" : "n") =~ /[yY]/));
		259
		260	print <<EOF;
		261
		262	* * * * * * * * * * * * * * * * * *
		263
		264
		265	Another sometimes useful bit of functionality is the Linux signalfd, which
		266	is useful for faster signal handling (don't care). Kernel support for
		267	this will be probed at runtime, but your libc must contain the necessary
		268	wrapper. Glibc 2.7 and later should have this wrapper.
		269
		270	EOF
		271
		272	my $can_signalfd = have_inc "sys/signalfd.h";
		273	$can_signalfd = $ENV{EV_SIGNALFD} if exists $ENV{EV_SIGNALFD};
		274	$DEFINE .= " -DEV_USE_SIGNALFD=" . (0 + (prompt ("Enable linux signalfd support (y/n)?", $can_signalfd ? "y" : "n") =~ /[yY]/));
		275
		276	print <<EOF;
		277
		278	* * * * * * * * * * * * * * * * * *
		279
		280
		281	Very rarely, people want to tweak EV even more, e.g. to exclude
		282	or include certain watcher types or backends. This can be done by adding
		283	extra -D options here, or via the EV_EXTRA_DEFS environment variable.
		284
		285	For example, if you run into compile problems because of missing memory
		286	fences (or you just want extra performance), you can tell EV to not support
		287	smp and threads via -DEV_NO_THREADS.
		288
		289	Normal persons just press enter.
		290
		291	EOF
		292
		293	$DEFINE .= " " . prompt "Any extra -D options?", "$ENV{EV_EXTRA_DEFS}";
		294
		295	print <<EOF;
		296
		297	* * * * * * * * * * * * * * * * * *
		298
		299
		300	EOF
		301
195	my @anyevent = eval { require AnyEvent; $AnyEvent::VERSION < 2.6 } ? (AnyEvent => 2.6) : ();	302	my @anyevent = eval { require AnyEvent; $AnyEvent::VERSION < 5.29 } ? (AnyEvent => 5.29) : ();
196		303
197	WriteMakefile(	304	WriteMakefile(
198	dist => {	305	dist => {
199	PREOP => 'pod2text EV.pm \| tee README >$(DISTVNAME)/README; chmod -R u=rwX,go=rX . ;',	306	PREOP => 'pod2text EV.pm \| tee README >$(DISTVNAME)/README; chmod -R u=rwX,go=rX . ;',
200	COMPRESS => 'gzip -9v',	307	COMPRESS => 'gzip -9v',
201	SUFFIX => '.gz',	308	SUFFIX => '.gz',
202	},	309	},
203	depend => {	310	depend => {
204	"EV.c" => "EV/EVAPI.h "	311	"EV.c" => "EV/EVAPI.h "
205	. "libev/ev.c libev/ev.h libev/ev_epoll.c libev/ev_select.c libev/ev_kqueue.c libev/ev_poll.c "	312	. "libev/ev.c libev/ev.h libev/ev_epoll.c libev/ev_select.c libev/ev_kqueue.c libev/ev_poll.c "
206	. "libev/event.h libev/event.c evdns.h evdns.c libev/ev_vars.h libev/ev_wrap.h",	313	. "libev/ev_vars.h libev/ev_wrap.h",
207	},	314	},
208	INC => "-Ilibev",	315	INC => "-Ilibev",
209	DEFINE => "$DEFINE",	316	DEFINE => "$DEFINE",
210	NAME => "EV",	317	NAME => "EV",
211	LIBS => [$LIBS],	318	LIBS => [$LIBS],
212	PREREQ_PM => {	319	PREREQ_PM => {
213	@anyevent,	320	@anyevent,
		321	"common::sense" => 0,
214	},	322	},
		323	CONFIGURE_REQUIRES => { "ExtUtils::MakeMaker" => 6.52, "Canary::Stability" => 0 },
215	VERSION_FROM => "EV.pm",	324	VERSION_FROM => "EV.pm",
216	PM => {	325	PM => {
217	'EV.pm' => '$(INST_LIBDIR)/EV.pm',	326	'EV.pm' => '$(INST_LIB)/EV.pm',
218	'EV/DNS.pm' => '$(INST_LIBDIR)/EV/DNS.pm',
219	'EV/EVAPI.h' => '$(INST_LIBDIR)/EV/EVAPI.h',	327	'EV/EVAPI.h' => '$(INST_LIB)/EV/EVAPI.h',
220	'EV/MakeMaker.pm' => '$(INST_LIBDIR)/EV/MakeMaker.pm',	328	'EV/MakeMaker.pm' => '$(INST_LIB)/EV/MakeMaker.pm',
221	'libev/ev.h' => '$(INST_LIBDIR)/EV/ev.h',	329	'libev/ev.h' => '$(INST_LIB)/EV/ev.h',
		330	'libev/ev.pod' => '$(INST_LIB)/EV/libev.pod',
222	},	331	},
		332	MAN3PODS => {
		333	'EV.pm' => '$(INST_MAN3DIR)/EV.$(MAN3EXT)',
		334	'EV/MakeMaker.pm' => '$(INST_MAN3DIR)/EV::MakeMaker.$(MAN3EXT)',
		335	'libev/ev.pod' => '$(INST_MAN3DIR)/EV::libev.$(MAN3EXT)',
		336	},
223	);	337	);
224		338
225		339

Diff Legend

-–
+Removed lines
-+
+Added lines
-<
+Changed lines
->
+Changed lines

Comparing EV/Makefile.PL (file contents): Revision 1.24 by root, Fri Nov 23 03:39:15 2007 UTC vs. Revision 1.59 by root, Sat Jun 22 16:43:05 2019 UTC

Diff Legend

Comparing EV/Makefile.PL (file contents):
Revision 1.24 by root, Fri Nov 23 03:39:15 2007 UTC vs.
Revision 1.59 by root, Sat Jun 22 16:43:05 2019 UTC