[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 1.57 by root, Sat Jun 20 11:11:01 2015 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]/));
133		142
134	print <<EOF;	143	print <<EOF;
135		144
136	* * * * * * * * * * * * * * * * * *	145	* * * * * * * * * * * * * * * * * *
137		146
…		…
140	many BSD systems. Support for kqueue will be detected at runtime, with a	149	many BSD systems. Support for kqueue will be detected at runtime, with a
141	safe fallback to other methods when it cannot be used.	150	safe fallback to other methods when it cannot be used.
142		151
143	Note that kqueue is broken on most operating systems, so by default it	152	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	153	won't be used on many platforms, but you can still create your own event
145	loop with qkueue backend.	154	loop with kqueue backend if you ask specifically for it.
146		155
147	Here is what we know:	156	Here is what we know:
148		157
149	NetBSD: partially working in at least 3.1. Yeah! :)	158	NetBSD: partially working in at least 3.1 and later. Yeah! :)
150	FreeBSD: broken on at least 6.2-STABLE,	159	FreeBSD: broken on at least 6.2-STABLE, spotty in later versions,
151	sockets likely work, ptys definitely don't.	160	sockets likely work, ptys definitely don't.
152	OpenBSD: reports indicate that it likely doesn't work	161	OpenBSD: reports indicate that it likely doesn't work
153	(similar problems as on FreeBSD).	162	(similar problems as on FreeBSD).
154	OS X: completely, utterly broken on at least < 10.5.	163	OS X: completely, utterly broken on at least <= 10.6.
155		164
156	EOF	165	EOF
157		166
158	my $can_kqueue = -e "/usr/include/sys/event.h";	167	my $can_kqueue = have_inc "sys/event.h";
159		168	$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]/));	169	$DEFINE .= " -DEV_USE_KQUEUE=" . (0 + (prompt ("Enable kqueue backend (y/n)?", $can_kqueue ? "y" : "n") =~ /[yY]/));
161		170
162	print <<EOF;	171	print <<EOF;
163		172
164	* * * * * * * * * * * * * * * * * *	173	* * * * * * * * * * * * * * * * * *
…		…
168	solaris 10 event port interface. Support for event ports will be detected	177	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.	178	at runtime, with a safe fallback to other methods when it cannot be used.
170		179
171	EOF	180	EOF
172		181
173	$DEFINE .= " -DEV_USE_PORT=" . (0 + (prompt ("Enable event port backend (y/n)?", (-e "/usr/include/sys/port.h") ? "y" : "n") =~ /[yY]/));	182	$DEFINE .= " -DEV_USE_PORT=" . (0 + (prompt ("Enable event port backend (y/n)?", (have_inc "sys/port.h") ? "y" : "n") =~ /[yY]/));
174		183
175	print <<EOF;	184	print <<EOF;
176		185
177	* * * * * * * * * * * * * * * * * *	186	* * * * * * * * * * * * * * * * * *
178		187
…		…
180	EV needs the functions pthread_atfork and clock_gettime. On most systems	189	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	190	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	191	can specify additional libraries to provide these calls (and any other
183	required by EV) now, or accept the default.	192	required by EV) now, or accept the default.
184		193
185	EOF	194	On GNU/Linux systems, EV uses the LSB 3.1 __register_atfork function
		195	to avoid the dependency on libpthread, and directly uses the clock_gettime
		196	syscall to avoid a dependency on librt.
186		197
		198	EOF
		199
187	$SOLARIS_LIBS = $^O =~ /solaris/ ? " -lsocket -lnsl" : "";	200	my $solaris_libs = $^O =~ /solaris/i ? "-lsocket -lnsl" : "";
188		201	my $librt = $^O =~ /linux/i ? "" : "-lpthread -lrt";
		202	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";	203	$LIBS = prompt "Extra libraries for pthread_atfork and clock_gettime?", $LIBS;
190		204
191		205
192	print <<EOF;	206	print <<EOF;
193		207
194	* * * * * * * * * * * * * * * * * *	208	* * * * * * * * * * * * * * * * * *
195		209
196		210
197	A backend of a different kind is the Linux inotify(7) interface, which can	211	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	212	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.	213	you have the include file and libc support for it, it is usually a good
		214	idea to enable it, as kernel availability is detected at runtime.
200		215
201	EOF	216	EOF
202		217
203	my $can_inotify = -e "/usr/include/sys/inotify.h";	218	my $can_inotify = have_inc "sys/inotify.h";
204		219	$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]/));	220	$DEFINE .= " -DEV_USE_INOTIFY=" . (0 + (prompt ("Enable inotify support (y/n)?", $can_inotify ? "y" : "n") =~ /[yY]/));
206		221
207	print <<EOF;	222	print <<EOF;
208		223
209	* * * * * * * * * * * * * * * * * *	224	* * * * * * * * * * * * * * * * * *
210		225
211		226
212	EOF	227	Another useful bit of functionality is the Linux eventfd, which is useful
		228	for faster signal handling (don't care) and intra-thread communications
		229	(more relevant). Kernel support for this will be probed at runtime, but
		230	your libc must contain the necessary wrapper. Glibc 2.7 and later should
		231	have this wrapper.
213		232
		233	EOF
		234
		235	my $can_eventfd = have_inc "sys/eventfd.h";
		236	$can_eventfd = $ENV{EV_EVENTFD} if exists $ENV{EV_EVENTFD};
		237	$DEFINE .= " -DEV_USE_EVENTFD=" . (0 + (prompt ("Enable linux eventfd support (y/n)?", $can_eventfd ? "y" : "n") =~ /[yY]/));
		238
		239	print <<EOF;
		240
		241	* * * * * * * * * * * * * * * * * *
		242
		243
		244	Another sometimes useful bit of functionality is the Linux signalfd, which
		245	is useful for faster signal handling (don't care). Kernel support for
		246	this will be probed at runtime, but your libc must contain the necessary
		247	wrapper. Glibc 2.7 and later should have this wrapper.
		248
		249	EOF
		250
		251	my $can_signalfd = have_inc "sys/signalfd.h";
		252	$can_signalfd = $ENV{EV_SIGNALFD} if exists $ENV{EV_SIGNALFD};
		253	$DEFINE .= " -DEV_USE_SIGNALFD=" . (0 + (prompt ("Enable linux signalfd support (y/n)?", $can_signalfd ? "y" : "n") =~ /[yY]/));
		254
		255	print <<EOF;
		256
		257	* * * * * * * * * * * * * * * * * *
		258
		259
		260	Very rarely, people want to tweak EV even more, e.g. to exclude
		261	or include certain watcher types or backends. This can be done by adding
		262	extra -D options here, or via the EV_EXTRA_DEFS environment variable.
		263
		264	For example, if you run into compile problems because of missing memory
		265	fences (or you just want extra performance), you can tell EV to not support
		266	smp and threads via -DEV_NO_THREADS.
		267
		268	Normal persons just press enter.
		269
		270	EOF
		271
		272	$DEFINE .= " " . prompt "Any extra -D options?", "$ENV{EV_EXTRA_DEFS}";
		273
		274	print <<EOF;
		275
		276	* * * * * * * * * * * * * * * * * *
		277
		278
		279	EOF
		280
214	my @anyevent = eval { require AnyEvent; $AnyEvent::VERSION < 2.6 } ? (AnyEvent => 2.6) : ();	281	my @anyevent = eval { require AnyEvent; $AnyEvent::VERSION < 5.29 } ? (AnyEvent => 5.29) : ();
215		282
216	WriteMakefile(	283	WriteMakefile(
217	dist => {	284	dist => {
218	PREOP => 'pod2text EV.pm \| tee README >$(DISTVNAME)/README; chmod -R u=rwX,go=rX . ;',	285	PREOP => 'pod2text EV.pm \| tee README >$(DISTVNAME)/README; chmod -R u=rwX,go=rX . ;',
219	COMPRESS => 'gzip -9v',	286	COMPRESS => 'gzip -9v',
…		…
228	DEFINE => "$DEFINE",	295	DEFINE => "$DEFINE",
229	NAME => "EV",	296	NAME => "EV",
230	LIBS => [$LIBS],	297	LIBS => [$LIBS],
231	PREREQ_PM => {	298	PREREQ_PM => {
232	@anyevent,	299	@anyevent,
		300	"common::sense" => 0,
233	},	301	},
		302	CONFIGURE_REQUIRES => { "ExtUtils::MakeMaker" => 6.52, "Canary::Stability" => 0 },
234	VERSION_FROM => "EV.pm",	303	VERSION_FROM => "EV.pm",
235	PM => {	304	PM => {
236	'EV.pm' => '$(INST_LIBDIR)/EV.pm',	305	'EV.pm' => '$(INST_LIB)/EV.pm',
237	'EV/EVAPI.h' => '$(INST_LIBDIR)/EV/EVAPI.h',	306	'EV/EVAPI.h' => '$(INST_LIB)/EV/EVAPI.h',
238	'EV/MakeMaker.pm' => '$(INST_LIBDIR)/EV/MakeMaker.pm',	307	'EV/MakeMaker.pm' => '$(INST_LIB)/EV/MakeMaker.pm',
239	'libev/ev.h' => '$(INST_LIBDIR)/EV/ev.h',	308	'libev/ev.h' => '$(INST_LIB)/EV/ev.h',
		309	'libev/ev.pod' => '$(INST_LIB)/EV/libev.pod',
240	},	310	},
		311	MAN3PODS => {
		312	'EV.pm' => '$(INST_MAN3DIR)/EV.$(MAN3EXT)',
		313	'EV/MakeMaker.pm' => '$(INST_MAN3DIR)/EV::MakeMaker.$(MAN3EXT)',
		314	'libev/ev.pod' => '$(INST_MAN3DIR)/EV::libev.$(MAN3EXT)',
		315	},
241	);	316	);
242		317
243		318

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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 1.57 by root, Sat Jun 20 11:11:01 2015 UTC

Diff Legend

Comparing EV/Makefile.PL (file contents):
Revision 1.31 by root, Thu Jan 31 19:59:23 2008 UTC vs.
Revision 1.57 by root, Sat Jun 20 11:11:01 2015 UTC