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

Comparing EV/Makefile.PL (file contents):
Revision 1.32 by root, Sun Apr 6 09:53:16 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	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") ? "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]/));
148		142
149	print <<EOF;	143	print <<EOF;
150		144
151	* * * * * * * * * * * * * * * * * *	145	* * * * * * * * * * * * * * * * * *
152		146
…		…
155	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
156	safe fallback to other methods when it cannot be used.	150	safe fallback to other methods when it cannot be used.
157		151
158	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
159	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
160	loop with qkueue backend.	154	loop with kqueue backend if you ask specifically for it.
161		155
162	Here is what we know:	156	Here is what we know:
163		157
164	NetBSD: partially working in at least 3.1. Yeah! :)	158	NetBSD: partially working in at least 3.1 and later. Yeah! :)
165	FreeBSD: broken on at least 6.2-STABLE,	159	FreeBSD: broken on at least 6.2-STABLE, spotty in later versions,
166	sockets likely work, ptys definitely don't.	160	sockets likely work, ptys definitely don't.
167	OpenBSD: reports indicate that it likely doesn't work	161	OpenBSD: reports indicate that it likely doesn't work
168	(similar problems as on FreeBSD).	162	(similar problems as on FreeBSD).
169	OS X: completely, utterly broken on at least < 10.5.	163	OS X: completely, utterly broken on at least <= 10.6.
170		164
171	EOF	165	EOF
172		166
173	my $can_kqueue = -e "/usr/include/sys/event.h";	167	my $can_kqueue = have_inc "sys/event.h";
174		168	$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]/));	169	$DEFINE .= " -DEV_USE_KQUEUE=" . (0 + (prompt ("Enable kqueue backend (y/n)?", $can_kqueue ? "y" : "n") =~ /[yY]/));
176		170
177	print <<EOF;	171	print <<EOF;
178		172
179	* * * * * * * * * * * * * * * * * *	173	* * * * * * * * * * * * * * * * * *
…		…
183	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
184	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.
185		179
186	EOF	180	EOF
187		181
188	$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]/));
189		183
190	print <<EOF;	184	print <<EOF;
191		185
192	* * * * * * * * * * * * * * * * * *	186	* * * * * * * * * * * * * * * * * *
193		187
…		…
195	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
196	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
197	can specify additional libraries to provide these calls (and any other	191	can specify additional libraries to provide these calls (and any other
198	required by EV) now, or accept the default.	192	required by EV) now, or accept the default.
199		193
200	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.
201		197
		198	EOF
		199
202	$SOLARIS_LIBS = $^O =~ /solaris/ ? " -lsocket -lnsl" : "";	200	my $solaris_libs = $^O =~ /solaris/i ? "-lsocket -lnsl" : "";
203		201	my $librt = $^O =~ /linux/i ? "" : "-lpthread -lrt";
		202	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";	203	$LIBS = prompt "Extra libraries for pthread_atfork and clock_gettime?", $LIBS;
205		204
206		205
207	print <<EOF;	206	print <<EOF;
208		207
209	* * * * * * * * * * * * * * * * * *	208	* * * * * * * * * * * * * * * * * *
210		209
211		210
212	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
213	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
214	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.
215		215
216	EOF	216	EOF
217		217
218	my $can_inotify = -e "/usr/include/sys/inotify.h";	218	my $can_inotify = have_inc "sys/inotify.h";
219		219	$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]/));	220	$DEFINE .= " -DEV_USE_INOTIFY=" . (0 + (prompt ("Enable inotify support (y/n)?", $can_inotify ? "y" : "n") =~ /[yY]/));
221		221
222	print <<EOF;	222	print <<EOF;
223		223
224	* * * * * * * * * * * * * * * * * *	224	* * * * * * * * * * * * * * * * * *
225		225
226		226
227	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.
228		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
229	my @anyevent = eval { require AnyEvent; $AnyEvent::VERSION < 2.6 } ? (AnyEvent => 2.6) : ();	281	my @anyevent = eval { require AnyEvent; $AnyEvent::VERSION < 5.29 } ? (AnyEvent => 5.29) : ();
230		282
231	WriteMakefile(	283	WriteMakefile(
232	dist => {	284	dist => {
233	PREOP => 'pod2text EV.pm \| tee README >$(DISTVNAME)/README; chmod -R u=rwX,go=rX . ;',	285	PREOP => 'pod2text EV.pm \| tee README >$(DISTVNAME)/README; chmod -R u=rwX,go=rX . ;',
234	COMPRESS => 'gzip -9v',	286	COMPRESS => 'gzip -9v',
…		…
243	DEFINE => "$DEFINE",	295	DEFINE => "$DEFINE",
244	NAME => "EV",	296	NAME => "EV",
245	LIBS => [$LIBS],	297	LIBS => [$LIBS],
246	PREREQ_PM => {	298	PREREQ_PM => {
247	@anyevent,	299	@anyevent,
		300	"common::sense" => 0,
248	},	301	},
		302	CONFIGURE_REQUIRES => { "ExtUtils::MakeMaker" => 6.52, "Canary::Stability" => 0 },
249	VERSION_FROM => "EV.pm",	303	VERSION_FROM => "EV.pm",
250	PM => {	304	PM => {
251	'EV.pm' => '$(INST_LIBDIR)/EV.pm',	305	'EV.pm' => '$(INST_LIB)/EV.pm',
252	'EV/EVAPI.h' => '$(INST_LIBDIR)/EV/EVAPI.h',	306	'EV/EVAPI.h' => '$(INST_LIB)/EV/EVAPI.h',
253	'EV/MakeMaker.pm' => '$(INST_LIBDIR)/EV/MakeMaker.pm',	307	'EV/MakeMaker.pm' => '$(INST_LIB)/EV/MakeMaker.pm',
254	'libev/ev.h' => '$(INST_LIBDIR)/EV/ev.h',	308	'libev/ev.h' => '$(INST_LIB)/EV/ev.h',
		309	'libev/ev.pod' => '$(INST_LIB)/EV/libev.pod',
255	},	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	},
256	);	316	);
257		317
258		318

Diff Legend

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

Comparing EV/Makefile.PL (file contents): Revision 1.32 by root, Sun Apr 6 09:53:16 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 1.32 by root, Sun Apr 6 09:53:16 2008 UTC vs.
Revision 1.57 by root, Sat Jun 20 11:11:01 2015 UTC