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

Comparing EV/Makefile.PL (file contents):
Revision 1.31 by root, Thu Jan 31 19:59:23 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	EV can use various backends with various portability issue. The select	78	EV can use various backends with various portability issues. The select
72	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
73	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
74	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
75	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
76	OS, via the next question. I highly recommend keeping it in.	83	OS, via the next question. I highly recommend keeping it in.
…		…
93		100
94	EOF	101	EOF
95		102
96	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]/) {
97	$DEFINE .= " -DEV_SELECT_USE_FD_SET";	104	$DEFINE .= " -DEV_SELECT_USE_FD_SET";
98	}	105	}
99	} else {	106	} else {
100	$DEFINE .= " -DEV_USE_SELECT=0";	107	$DEFINE .= " -DEV_USE_SELECT=0";
101	}	108	}
102		109
103	print <<EOF;	110	print <<EOF;
104		111
105	* * * * * * * * * * * * * * * * * *	112	* * * * * * * * * * * * * * * * * *
106		113
…		…
110	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
111	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.
112		119
113	EOF	120	EOF
114		121
115	$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]/));
116		123
117	print <<EOF;	124	print <<EOF;
118		125
119	* * * * * * * * * * * * * * * * * *	126	* * * * * * * * * * * * * * * * * *
120		127
…		…
127	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
128	the default.	135	the default.
129		136
130	EOF	137	EOF
131		138
		139	my $can_epoll = have_inc "sys/epoll.h";
		140	$can_epoll = $ENV{EV_EPOLL} if exists $ENV{EV_EPOLL};
132	$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]/));
133		164
134	print <<EOF;	165	print <<EOF;
135		166
136	* * * * * * * * * * * * * * * * * *	167	* * * * * * * * * * * * * * * * * *
137		168
…		…
140	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
141	safe fallback to other methods when it cannot be used.	172	safe fallback to other methods when it cannot be used.
142		173
143	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
144	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
145	loop with qkueue backend.	176	loop with kqueue backend if you ask specifically for it.
146		177
147	Here is what we know:	178	Here is what we know:
148		179
149	NetBSD: partially working in at least 3.1. Yeah! :)	180	NetBSD: partially working in at least 3.1 and later. Yeah! :)
150	FreeBSD: broken on at least 6.2-STABLE,	181	FreeBSD: broken on at least 6.2-STABLE, spotty in later versions,
151	sockets likely work, ptys definitely don't.	182	sockets likely work, ptys definitely don't.
152	OpenBSD: reports indicate that it likely doesn't work	183	OpenBSD: reports indicate that it likely doesn't work
153	(similar problems as on FreeBSD).	184	(similar problems as on FreeBSD).
154	OS X: completely, utterly broken on at least < 10.5.	185	OS X: completely, utterly broken on at least <= 10.6.
155		186
156	EOF	187	EOF
157		188
158	my $can_kqueue = -e "/usr/include/sys/event.h";	189	my $can_kqueue = have_inc "sys/event.h";
159		190	$can_kqueue = $ENV{EV_KQUEUE} if exists $ENV{EV_KQUEUE};
160	$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]/));
161		192
162	print <<EOF;	193	print <<EOF;
163		194
164	* * * * * * * * * * * * * * * * * *	195	* * * * * * * * * * * * * * * * * *
…		…
168	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
169	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.
170		201
171	EOF	202	EOF
172		203
173	$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]/));
174		205
175	print <<EOF;	206	print <<EOF;
176		207
177	* * * * * * * * * * * * * * * * * *	208	* * * * * * * * * * * * * * * * * *
178		209
…		…
180	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
181	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
182	can specify additional libraries to provide these calls (and any other	213	can specify additional libraries to provide these calls (and any other
183	required by EV) now, or accept the default.	214	required by EV) now, or accept the default.
184		215
185	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.
186		219
		220	EOF
		221
187	$SOLARIS_LIBS = $^O =~ /solaris/ ? " -lsocket -lnsl" : "";	222	my $solaris_libs = $^O =~ /solaris/i ? "-lsocket -lnsl" : "";
188		223	my $librt = $^O =~ /linux/i ? "" : "-lpthread -lrt";
		224	my $LIBS = exists $ENV{EV_LIBS} ? $ENV{EV_LIBS} : "$librt $solaris_libs";
189	$LIBS = prompt "Extra libraries for pthread_atfork and clock_gettime?", "-lpthread -lrt$SOLARIS_LIBS";	225	$LIBS = prompt "Extra libraries for pthread_atfork and clock_gettime?", $LIBS;
190		226
191		227
192	print <<EOF;	228	print <<EOF;
193		229
194	* * * * * * * * * * * * * * * * * *	230	* * * * * * * * * * * * * * * * * *
195		231
196		232
197	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
198	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
199	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.
200		237
201	EOF	238	EOF
202		239
203	my $can_inotify = -e "/usr/include/sys/inotify.h";	240	my $can_inotify = have_inc "sys/inotify.h";
204		241	$can_inotify = $ENV{EV_INOTIFY} if exists $ENV{EV_INOTIFY};
205	$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]/));
206		243
207	print <<EOF;	244	print <<EOF;
208		245
209	* * * * * * * * * * * * * * * * * *	246	* * * * * * * * * * * * * * * * * *
210		247
211		248
212	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.
213		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
214	my @anyevent = eval { require AnyEvent; $AnyEvent::VERSION < 2.6 } ? (AnyEvent => 2.6) : ();	303	my @anyevent = eval { require AnyEvent; $AnyEvent::VERSION < 5.29 } ? (AnyEvent => 5.29) : ();
215		304
216	WriteMakefile(	305	WriteMakefile(
217	dist => {	306	dist => {
218	PREOP => 'pod2text EV.pm \| tee README >$(DISTVNAME)/README; chmod -R u=rwX,go=rX . ;',	307	PREOP => 'pod2text EV.pm \| tee README >$(DISTVNAME)/README; chmod -R u=rwX,go=rX . ;',
219	COMPRESS => 'gzip -9v',	308	COMPRESS => 'gzip -9v',
…		…
228	DEFINE => "$DEFINE",	317	DEFINE => "$DEFINE",
229	NAME => "EV",	318	NAME => "EV",
230	LIBS => [$LIBS],	319	LIBS => [$LIBS],
231	PREREQ_PM => {	320	PREREQ_PM => {
232	@anyevent,	321	@anyevent,
		322	"common::sense" => 0,
233	},	323	},
		324	CONFIGURE_REQUIRES => { "ExtUtils::MakeMaker" => 6.52, "Canary::Stability" => 0 },
234	VERSION_FROM => "EV.pm",	325	VERSION_FROM => "EV.pm",
235	PM => {	326	PM => {
236	'EV.pm' => '$(INST_LIBDIR)/EV.pm',	327	'EV.pm' => '$(INST_LIB)/EV.pm',
237	'EV/EVAPI.h' => '$(INST_LIBDIR)/EV/EVAPI.h',	328	'EV/EVAPI.h' => '$(INST_LIB)/EV/EVAPI.h',
238	'EV/MakeMaker.pm' => '$(INST_LIBDIR)/EV/MakeMaker.pm',	329	'EV/MakeMaker.pm' => '$(INST_LIB)/EV/MakeMaker.pm',
239	'libev/ev.h' => '$(INST_LIBDIR)/EV/ev.h',	330	'libev/ev.h' => '$(INST_LIB)/EV/ev.h',
		331	'libev/ev.pod' => '$(INST_LIB)/EV/libev.pod',
240	},	332	},
		333	MAN3PODS => {
		334	'EV.pm' => '$(INST_MAN3DIR)/EV.$(MAN3EXT)',
		335	'EV/MakeMaker.pm' => '$(INST_MAN3DIR)/EV::MakeMaker.$(MAN3EXT)',
		336	'libev/ev.pod' => '$(INST_MAN3DIR)/EV::libev.$(MAN3EXT)',
		337	},
241	);	338	);
242		339
243		340

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Comparing EV/Makefile.PL (file contents): Revision 1.31 by root, Thu Jan 31 19:59:23 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 1.31 by root, Thu Jan 31 19:59:23 2008 UTC vs.
Revision 1.58 by root, Sat Jun 22 15:50:36 2019 UTC