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

Comparing EV/Makefile.PL (file contents):
Revision 1.35 by root, Thu Oct 2 12:27:56 2008 UTC vs.
Revision 1.58 by root, Sat Jun 22 15:50:36 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. (this setting	49	will otherwise be autodetected at both compile- and runtime. (this setting
44	currently affects the use of nanosleep over select as well).	50	currently affects the use of nanosleep over select as well).
45		51
46	EOF	52	EOF
47		53
48	$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	}
49		57
50	print <<EOF;	58	print <<EOF;
51		59
52	* * * * * * * * * * * * * * * * * *	60	* * * * * * * * * * * * * * * * * *
53		61
54		62
55	POSIX optionally offers support for a (potentially) high-resolution	63	POSIX optionally offers support for a (potentially) high-resolution
56	realtime clock interface. In a good implementation, using it is faster	64	realtime clock interface. In a good implementation, using it is faster
57	than the normal method of using gettimeofday. Unfortunately, this option	65	than the normal method of using gettimeofday. Unfortunately, this option
58	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
59	probing of this feature altogether here. Otherwise support for this clock	67	actually call gettimeofday very often, so it defaults to no.
60	type will be autodetected at compiletime.
61		68
62	EOF	69	EOF
63		70
64	$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]/));
65		72
66	print <<EOF;	73	print <<EOF;
67		74
68	* * * * * * * * * * * * * * * * * *	75	* * * * * * * * * * * * * * * * * *
69		76
70		77
71	Another useful bit of functionality is the Linux eventfd, which is useful
72	for faster signal handling (don't care) and intra-thread communications
73	(mostly useful for embedding). Kernel support for this will be probed at
74	runtime, but your libc must contain the necessary wrapper. Glibc 2.7 and
75	later should have this wrapper.
76
77	EOF
78
79	$DEFINE .= " -DEV_USE_EVENTFD=" . (0 + (prompt ("Enable linux eventfd support (y/n)?", (-e "/usr/include/sys/eventfd.h") \|\| $ENV{EV_EVENTFD} ? "y" : "n") =~ /[yY]/));
80
81	print <<EOF;
82
83	* * * * * * * * * * * * * * * * * *
84
85
86	EV can use various backends with various portability issue. The select	78	EV can use various backends with various portability issues. The select
87	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
88	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
89	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
90	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
91	OS, via the next question. I highly recommend keeping it in.	83	OS, via the next question. I highly recommend keeping it in.
…		…
108		100
109	EOF	101	EOF
110		102
111	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]/) {
112	$DEFINE .= " -DEV_SELECT_USE_FD_SET";	104	$DEFINE .= " -DEV_SELECT_USE_FD_SET";
113	}	105	}
114	} else {	106	} else {
115	$DEFINE .= " -DEV_USE_SELECT=0";	107	$DEFINE .= " -DEV_USE_SELECT=0";
116	}	108	}
117		109
118	print <<EOF;	110	print <<EOF;
119		111
120	* * * * * * * * * * * * * * * * * *	112	* * * * * * * * * * * * * * * * * *
121		113
…		…
125	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
126	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.
127		119
128	EOF	120	EOF
129		121
130	$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]/));
131		123
132	print <<EOF;	124	print <<EOF;
133		125
134	* * * * * * * * * * * * * * * * * *	126	* * * * * * * * * * * * * * * * * *
135		127
…		…
142	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
143	the default.	135	the default.
144		136
145	EOF	137	EOF
146		138
		139	my $can_epoll = have_inc "sys/epoll.h";
		140	$can_epoll = $ENV{EV_EPOLL} if exists $ENV{EV_EPOLL};
147	$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 or die;
		162	$can_linuxaio = $ENV{EV_LINUXAIO} if exists $ENV{EV_LINUXAIO};
		163	$DEFINE .= " -DEV_USE_LINUXAIO=" . (0 + (prompt ("Enable linux aio backend (y/n)?", $can_linuxaio ? "y" : "n") =~ /[yY]/));
148		164
149	print <<EOF;	165	print <<EOF;
150		166
151	* * * * * * * * * * * * * * * * * *	167	* * * * * * * * * * * * * * * * * *
152		168
…		…
155	many BSD systems. Support for kqueue will be detected at runtime, with a	171	many BSD systems. Support for kqueue will be detected at runtime, with a
156	safe fallback to other methods when it cannot be used.	172	safe fallback to other methods when it cannot be used.
157		173
158	Note that kqueue is broken on most operating systems, so by default it	174	Note that kqueue is broken on most operating systems, so by default it
159	won't be used on many platforms, but you can still create your own event	175	won't be used on many platforms, but you can still create your own event
160	loop with qkueue backend.	176	loop with kqueue backend if you ask specifically for it.
161		177
162	Here is what we know:	178	Here is what we know:
163		179
164	NetBSD: partially working in at least 3.1. Yeah! :)	180	NetBSD: partially working in at least 3.1 and later. Yeah! :)
165	FreeBSD: broken on at least 6.2-STABLE,	181	FreeBSD: broken on at least 6.2-STABLE, spotty in later versions,
166	sockets likely work, ptys definitely don't.	182	sockets likely work, ptys definitely don't.
167	OpenBSD: reports indicate that it likely doesn't work	183	OpenBSD: reports indicate that it likely doesn't work
168	(similar problems as on FreeBSD).	184	(similar problems as on FreeBSD).
169	OS X: completely, utterly broken on at least < 10.5.	185	OS X: completely, utterly broken on at least <= 10.6.
170		186
171	EOF	187	EOF
172		188
173	my $can_kqueue = -e "/usr/include/sys/event.h";	189	my $can_kqueue = have_inc "sys/event.h";
174		190	$can_kqueue = $ENV{EV_KQUEUE} if exists $ENV{EV_KQUEUE};
175	$DEFINE .= " -DEV_USE_KQUEUE=" . (0 + (prompt ("Enable kqueue backend (y/n)?", $can_kqueue ? "y" : "n") =~ /[yY]/));	191	$DEFINE .= " -DEV_USE_KQUEUE=" . (0 + (prompt ("Enable kqueue backend (y/n)?", $can_kqueue ? "y" : "n") =~ /[yY]/));
176		192
177	print <<EOF;	193	print <<EOF;
178		194
179	* * * * * * * * * * * * * * * * * *	195	* * * * * * * * * * * * * * * * * *
…		…
183	solaris 10 event port interface. Support for event ports will be detected	199	solaris 10 event port interface. Support for event ports will be detected
184	at runtime, with a safe fallback to other methods when it cannot be used.	200	at runtime, with a safe fallback to other methods when it cannot be used.
185		201
186	EOF	202	EOF
187		203
188	$DEFINE .= " -DEV_USE_PORT=" . (0 + (prompt ("Enable event port backend (y/n)?", (-e "/usr/include/sys/port.h") ? "y" : "n") =~ /[yY]/));	204	$DEFINE .= " -DEV_USE_PORT=" . (0 + (prompt ("Enable event port backend (y/n)?", (have_inc "sys/port.h") ? "y" : "n") =~ /[yY]/));
189		205
190	print <<EOF;	206	print <<EOF;
191		207
192	* * * * * * * * * * * * * * * * * *	208	* * * * * * * * * * * * * * * * * *
193		209
…		…
195	EV needs the functions pthread_atfork and clock_gettime. On most systems	211	EV needs the functions pthread_atfork and clock_gettime. On most systems
196	you need some special libraries for this (such as -lrt and -lpthread). You	212	you need some special libraries for this (such as -lrt and -lpthread). You
197	can specify additional libraries to provide these calls (and any other	213	can specify additional libraries to provide these calls (and any other
198	required by EV) now, or accept the default.	214	required by EV) now, or accept the default.
199		215
200	EOF	216	On GNU/Linux systems, EV uses the LSB 3.1 __register_atfork function
		217	to avoid the dependency on libpthread, and directly uses the clock_gettime
		218	syscall to avoid a dependency on librt.
201		219
		220	EOF
		221
202	$SOLARIS_LIBS = $^O =~ /solaris/ ? " -lsocket -lnsl" : "";	222	my $solaris_libs = $^O =~ /solaris/i ? "-lsocket -lnsl" : "";
203		223	my $librt = $^O =~ /linux/i ? "" : "-lpthread -lrt";
		224	my $LIBS = exists $ENV{EV_LIBS} ? $ENV{EV_LIBS} : "$librt $solaris_libs";
204	$LIBS = prompt "Extra libraries for pthread_atfork and clock_gettime?", "-lpthread -lrt$SOLARIS_LIBS";	225	$LIBS = prompt "Extra libraries for pthread_atfork and clock_gettime?", $LIBS;
205		226
206		227
207	print <<EOF;	228	print <<EOF;
208		229
209	* * * * * * * * * * * * * * * * * *	230	* * * * * * * * * * * * * * * * * *
210		231
211		232
212	A backend of a different kind is the Linux inotify(7) interface, which can	233	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	234	be used to speed up (and reduce resource consumption) of stat watchers. If
214	you have it, it is usually a good idea to enable it.	235	you have the include file and libc support for it, it is usually a good
		236	idea to enable it, as kernel availability is detected at runtime.
215		237
216	EOF	238	EOF
217		239
218	my $can_inotify = -e "/usr/include/sys/inotify.h";	240	my $can_inotify = have_inc "sys/inotify.h";
219		241	$can_inotify = $ENV{EV_INOTIFY} if exists $ENV{EV_INOTIFY};
220	$DEFINE .= " -DEV_USE_INOTIFY=" . (0 + (prompt ("Enable inotify support (y/n)?", $can_inotify ? "y" : "n") =~ /[yY]/));	242	$DEFINE .= " -DEV_USE_INOTIFY=" . (0 + (prompt ("Enable inotify support (y/n)?", $can_inotify ? "y" : "n") =~ /[yY]/));
221		243
222	print <<EOF;	244	print <<EOF;
223		245
224	* * * * * * * * * * * * * * * * * *	246	* * * * * * * * * * * * * * * * * *
225		247
226		248
227	EOF	249	Another useful bit of functionality is the Linux eventfd, which is useful
		250	for faster signal handling (don't care) and intra-thread communications
		251	(more relevant). Kernel support for this will be probed at runtime, but
		252	your libc must contain the necessary wrapper. Glibc 2.7 and later should
		253	have this wrapper.
228		254
		255	EOF
		256
		257	my $can_eventfd = have_inc "sys/eventfd.h";
		258	$can_eventfd = $ENV{EV_EVENTFD} if exists $ENV{EV_EVENTFD};
		259	$DEFINE .= " -DEV_USE_EVENTFD=" . (0 + (prompt ("Enable linux eventfd support (y/n)?", $can_eventfd ? "y" : "n") =~ /[yY]/));
		260
		261	print <<EOF;
		262
		263	* * * * * * * * * * * * * * * * * *
		264
		265
		266	Another sometimes useful bit of functionality is the Linux signalfd, which
		267	is useful for faster signal handling (don't care). Kernel support for
		268	this will be probed at runtime, but your libc must contain the necessary
		269	wrapper. Glibc 2.7 and later should have this wrapper.
		270
		271	EOF
		272
		273	my $can_signalfd = have_inc "sys/signalfd.h";
		274	$can_signalfd = $ENV{EV_SIGNALFD} if exists $ENV{EV_SIGNALFD};
		275	$DEFINE .= " -DEV_USE_SIGNALFD=" . (0 + (prompt ("Enable linux signalfd support (y/n)?", $can_signalfd ? "y" : "n") =~ /[yY]/));
		276
		277	print <<EOF;
		278
		279	* * * * * * * * * * * * * * * * * *
		280
		281
		282	Very rarely, people want to tweak EV even more, e.g. to exclude
		283	or include certain watcher types or backends. This can be done by adding
		284	extra -D options here, or via the EV_EXTRA_DEFS environment variable.
		285
		286	For example, if you run into compile problems because of missing memory
		287	fences (or you just want extra performance), you can tell EV to not support
		288	smp and threads via -DEV_NO_THREADS.
		289
		290	Normal persons just press enter.
		291
		292	EOF
		293
		294	$DEFINE .= " " . prompt "Any extra -D options?", "$ENV{EV_EXTRA_DEFS}";
		295
		296	print <<EOF;
		297
		298	* * * * * * * * * * * * * * * * * *
		299
		300
		301	EOF
		302
229	my @anyevent = eval { require AnyEvent; $AnyEvent::VERSION < 2.6 } ? (AnyEvent => 2.6) : ();	303	my @anyevent = eval { require AnyEvent; $AnyEvent::VERSION < 5.29 } ? (AnyEvent => 5.29) : ();
230		304
231	WriteMakefile(	305	WriteMakefile(
232	dist => {	306	dist => {
233	PREOP => 'pod2text EV.pm \| tee README >$(DISTVNAME)/README; chmod -R u=rwX,go=rX . ;',	307	PREOP => 'pod2text EV.pm \| tee README >$(DISTVNAME)/README; chmod -R u=rwX,go=rX . ;',
234	COMPRESS => 'gzip -9v',	308	COMPRESS => 'gzip -9v',
…		…
243	DEFINE => "$DEFINE",	317	DEFINE => "$DEFINE",
244	NAME => "EV",	318	NAME => "EV",
245	LIBS => [$LIBS],	319	LIBS => [$LIBS],
246	PREREQ_PM => {	320	PREREQ_PM => {
247	@anyevent,	321	@anyevent,
		322	"common::sense" => 0,
248	},	323	},
		324	CONFIGURE_REQUIRES => { "ExtUtils::MakeMaker" => 6.52, "Canary::Stability" => 0 },
249	VERSION_FROM => "EV.pm",	325	VERSION_FROM => "EV.pm",
250	PM => {	326	PM => {
251	'EV.pm' => '$(INST_LIBDIR)/EV.pm',	327	'EV.pm' => '$(INST_LIB)/EV.pm',
252	'EV/EVAPI.h' => '$(INST_LIBDIR)/EV/EVAPI.h',	328	'EV/EVAPI.h' => '$(INST_LIB)/EV/EVAPI.h',
253	'EV/MakeMaker.pm' => '$(INST_LIBDIR)/EV/MakeMaker.pm',	329	'EV/MakeMaker.pm' => '$(INST_LIB)/EV/MakeMaker.pm',
254	'libev/ev.h' => '$(INST_LIBDIR)/EV/ev.h',	330	'libev/ev.h' => '$(INST_LIB)/EV/ev.h',
255	'libev/ev.pod' => '$(INST_LIBDIR)/EV/libev.pod',	331	'libev/ev.pod' => '$(INST_LIB)/EV/libev.pod',
256	},	332	},
257	MAN3PODS => {	333	MAN3PODS => {
258	'EV.pm' => '$(INST_MAN3DIR)/EV.$(MAN3EXT)',	334	'EV.pm' => '$(INST_MAN3DIR)/EV.$(MAN3EXT)',
259	'EV/MakeMaker.pm' => '$(INST_MAN3DIR)/EV::MakeMaker.$(MAN3EXT)',	335	'EV/MakeMaker.pm' => '$(INST_MAN3DIR)/EV::MakeMaker.$(MAN3EXT)',
260	'libev/ev.pod' => '$(INST_MAN3DIR)/EV::libev.$(MAN3EXT)',	336	'libev/ev.pod' => '$(INST_MAN3DIR)/EV::libev.$(MAN3EXT)',

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Comparing EV/Makefile.PL (file contents): Revision 1.35 by root, Thu Oct 2 12:27:56 2008 UTC vs. Revision 1.58 by root, Sat Jun 22 15:50:36 2019 UTC

Diff Legend

Comparing EV/Makefile.PL (file contents):
Revision 1.35 by root, Thu Oct 2 12:27:56 2008 UTC vs.
Revision 1.58 by root, Sat Jun 22 15:50:36 2019 UTC