[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 1.59 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. (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 = $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]/));
133		163
134	print <<EOF;	164	print <<EOF;
135		165
136	* * * * * * * * * * * * * * * * * *	166	* * * * * * * * * * * * * * * * * *
137		167
…		…
140	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
141	safe fallback to other methods when it cannot be used.	171	safe fallback to other methods when it cannot be used.
142		172
143	Note that kqueue is broken on most operating systems, so by default it	173	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	174	won't be used on many platforms, but you can still create your own event
145	loop with qkueue backend.	175	loop with kqueue backend if you ask specifically for it.
146		176
147	Here is what we know:	177	Here is what we know:
148		178
149	NetBSD: partially working in at least 3.1. Yeah! :)	179	NetBSD: partially working in at least 3.1 and later. Yeah! :)
150	FreeBSD: broken on at least 6.2-STABLE,	180	FreeBSD: broken on at least 6.2-STABLE, spotty in later versions,
151	sockets likely work, ptys definitely don't.	181	sockets likely work, ptys definitely don't.
152	OpenBSD: reports indicate that it likely doesn't work	182	OpenBSD: reports indicate that it likely doesn't work
153	(similar problems as on FreeBSD).	183	(similar problems as on FreeBSD).
154	OS X: completely, utterly broken on at least < 10.5.	184	OS X: completely, utterly broken on at least <= 10.6.
155		185
156	EOF	186	EOF
157		187
158	my $can_kqueue = -e "/usr/include/sys/event.h";	188	my $can_kqueue = have_inc "sys/event.h";
159		189	$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]/));	190	$DEFINE .= " -DEV_USE_KQUEUE=" . (0 + (prompt ("Enable kqueue backend (y/n)?", $can_kqueue ? "y" : "n") =~ /[yY]/));
161		191
162	print <<EOF;	192	print <<EOF;
163		193
164	* * * * * * * * * * * * * * * * * *	194	* * * * * * * * * * * * * * * * * *
…		…
168	solaris 10 event port interface. Support for event ports will be detected	198	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.	199	at runtime, with a safe fallback to other methods when it cannot be used.
170		200
171	EOF	201	EOF
172		202
173	$DEFINE .= " -DEV_USE_PORT=" . (0 + (prompt ("Enable event 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]/));
174		204
175	print <<EOF;	205	print <<EOF;
176		206
177	* * * * * * * * * * * * * * * * * *	207	* * * * * * * * * * * * * * * * * *
178		208
…		…
180	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
181	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
182	can specify additional libraries to provide these calls (and any other	212	can specify additional libraries to provide these calls (and any other
183	required by EV) now, or accept the default.	213	required by EV) now, or accept the default.
184		214
185	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.
186		218
		219	EOF
		220
187	$SOLARIS_LIBS = $^O =~ /solaris/ ? " -lsocket -lnsl" : "";	221	my $solaris_libs = $^O =~ /solaris/i ? "-lsocket -lnsl" : "";
188		222	my $librt = $^O =~ /linux/i ? "" : "-lpthread -lrt";
		223	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";	224	$LIBS = prompt "Extra libraries for pthread_atfork and clock_gettime?", $LIBS;
190		225
191		226
192	print <<EOF;	227	print <<EOF;
193		228
194	* * * * * * * * * * * * * * * * * *	229	* * * * * * * * * * * * * * * * * *
195		230
196		231
197	A backend of a different kind is the Linux inotify(7) interface, which can	232	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	233	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.	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.
200		236
201	EOF	237	EOF
202		238
203	my $can_inotify = -e "/usr/include/sys/inotify.h";	239	my $can_inotify = have_inc "sys/inotify.h";
204		240	$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]/));	241	$DEFINE .= " -DEV_USE_INOTIFY=" . (0 + (prompt ("Enable inotify support (y/n)?", $can_inotify ? "y" : "n") =~ /[yY]/));
206		242
207	print <<EOF;	243	print <<EOF;
208		244
209	* * * * * * * * * * * * * * * * * *	245	* * * * * * * * * * * * * * * * * *
210		246
211		247
212	EOF	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.
213		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
214	my @anyevent = eval { require AnyEvent; $AnyEvent::VERSION < 2.6 } ? (AnyEvent => 2.6) : ();	302	my @anyevent = eval { require AnyEvent; $AnyEvent::VERSION < 5.29 } ? (AnyEvent => 5.29) : ();
215		303
216	WriteMakefile(	304	WriteMakefile(
217	dist => {	305	dist => {
218	PREOP => 'pod2text EV.pm \| tee README >$(DISTVNAME)/README; chmod -R u=rwX,go=rX . ;',	306	PREOP => 'pod2text EV.pm \| tee README >$(DISTVNAME)/README; chmod -R u=rwX,go=rX . ;',
219	COMPRESS => 'gzip -9v',	307	COMPRESS => 'gzip -9v',
…		…
228	DEFINE => "$DEFINE",	316	DEFINE => "$DEFINE",
229	NAME => "EV",	317	NAME => "EV",
230	LIBS => [$LIBS],	318	LIBS => [$LIBS],
231	PREREQ_PM => {	319	PREREQ_PM => {
232	@anyevent,	320	@anyevent,
		321	"common::sense" => 0,
233	},	322	},
		323	CONFIGURE_REQUIRES => { "ExtUtils::MakeMaker" => 6.52, "Canary::Stability" => 0 },
234	VERSION_FROM => "EV.pm",	324	VERSION_FROM => "EV.pm",
235	PM => {	325	PM => {
236	'EV.pm' => '$(INST_LIBDIR)/EV.pm',	326	'EV.pm' => '$(INST_LIB)/EV.pm',
237	'EV/EVAPI.h' => '$(INST_LIBDIR)/EV/EVAPI.h',	327	'EV/EVAPI.h' => '$(INST_LIB)/EV/EVAPI.h',
238	'EV/MakeMaker.pm' => '$(INST_LIBDIR)/EV/MakeMaker.pm',	328	'EV/MakeMaker.pm' => '$(INST_LIB)/EV/MakeMaker.pm',
239	'libev/ev.h' => '$(INST_LIBDIR)/EV/ev.h',	329	'libev/ev.h' => '$(INST_LIB)/EV/ev.h',
		330	'libev/ev.pod' => '$(INST_LIB)/EV/libev.pod',
240	},	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	},
241	);	337	);
242		338
243		339

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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 1.59 by root, Sat Jun 22 16:43:05 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 1.59 by root, Sat Jun 22 16:43:05 2019 UTC