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Comparing EV/Makefile.PL (file contents):
Revision 1.44 by root, Wed Aug 26 17:31:20 2009 UTC vs.
Revision 1.52 by root, Sat Feb 4 20:12:17 2012 UTC

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37 37
38 38
39POSIX optionally offers support for a monotonic clock source. EV 39POSIX optionally offers support for a monotonic clock source. EV
40can take advantage of this clock source to detect time jumps 40can take advantage of this clock source to detect time jumps more
41reliably. Unfortunately, some systems are bound to be broken, so you can 41reliably. Unfortunately, some systems are bound to be broken, so you can
42disable this here: you can completely disable the detection and use of 42disable this here: you can completely disable the detection and use of
43the monotonic clock by answering 'n' here. Support for this clock type 43the monotonic clock by answering 'n' here. Support for this clock type
44will otherwise be autodetected at both compile- and runtime. (this setting 44will otherwise be autodetected at both compile- and runtime. (this setting
45currently affects the use of nanosleep over select as well). 45currently affects the use of nanosleep over select as well).
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55 55
56POSIX optionally offers support for a (potentially) high-resolution 56POSIX optionally offers support for a (potentially) high-resolution
57realtime clock interface. In a good implementation, using it is faster 57realtime clock interface. In a good implementation, using it is faster
58than the normal method of using gettimeofday. Unfortunately, this option 58than the normal method of using gettimeofday. Unfortunately, this option
59is also bound to be broken on some systems, and current EV versions do not 59is also bound to be broken on some systems, and current EV versions do not
60actually call C<gettimeofday> very often, so ti defaults to no. 60actually call gettimeofday very often, so it defaults to no.
61 61
62EOF 62EOF
63 63
64$DEFINE .= " -DEV_USE_REALTIME=" . (0 + (prompt ("Prefer clock_gettime (CLOCK_REALTIME) over gettimeofday (y/n)?", "n") =~ /[yY]/)); 64$DEFINE .= " -DEV_USE_REALTIME=" . (0 + (prompt ("Prefer clock_gettime (CLOCK_REALTIME) over gettimeofday (y/n)?", "n") =~ /[yY]/));
65 65
66print <<EOF; 66print <<EOF;
67 67
68*** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** 68*** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** ***
69 69
70 70
71EV can use various backends with various portability issue. The select 71EV can use various backends with various portability issues. The select
72backend is the most portable and makes for a good fallback, but it can be 72backend is the most portable and makes for a good fallback, but it can be
73limited to a low number of file descriptors and/or might not compile. If 73limited to a low number of file descriptors and/or might not compile. If
74you have problems with compiling ev_select.c, you might try to play around 74you have problems with compiling ev_select.c, you might try to play around
75with disabling it here, or forcing it to use the fd_set provided by your 75with disabling it here, or forcing it to use the fd_set provided by your
76OS, via the next question. I highly recommend keeping it in. 76OS, via the next question. I highly recommend keeping it in.
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146won't be used on many platforms, but you can still create your own event 146won't be used on many platforms, but you can still create your own event
147loop with kqueue backend if you ask specifically for it. 147loop with kqueue backend if you ask specifically for it.
148 148
149Here is what we know: 149Here is what we know:
150 150
151NetBSD: partially working in at least 3.1. Yeah! :) 151NetBSD: partially working in at least 3.1 and later. Yeah! :)
152FreeBSD: broken on at least 6.2-STABLE, 152FreeBSD: broken on at least 6.2-STABLE, spotty in later versions,
153 sockets *likely* work, ptys definitely don't. 153 sockets *likely* work, ptys definitely don't.
154OpenBSD: reports indicate that it likely doesn't work 154OpenBSD: reports indicate that it likely doesn't work
155 (similar problems as on FreeBSD). 155 (similar problems as on FreeBSD).
156OS X: completely, utterly broken on at least < 10.5. 156OS X: completely, utterly broken on at least <= 10.6.
157 157
158EOF 158EOF
159 159
160my $can_kqueue = -e "/usr/include/sys/event.h"; 160my $can_kqueue = -e "/usr/include/sys/event.h";
161$can_kqueue = $ENV{EV_KQUEUE} if exists $ENV{EV_KQUEUE}; 161$can_kqueue = $ENV{EV_KQUEUE} if exists $ENV{EV_KQUEUE};
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185required by EV) now, or accept the default. 185required by EV) now, or accept the default.
186 186
187EOF 187EOF
188 188
189my $solaris_libs = $^O =~ /solaris/i ? "-lsocket -lnsl" : ""; 189my $solaris_libs = $^O =~ /solaris/i ? "-lsocket -lnsl" : "";
190my $librt = $^O =~ /linux/i ? "-lpthread" : "-lpthread -lrt"; 190#my $librt = $^O =~ /linux/i ? "-lpthread" : "-lpthread -lrt";
191my $librt = "-lpthread -lrt";
191my $LIBS = prompt "Extra libraries for pthread_atfork and clock_gettime?", "$librt $solaris_libs"; 192my $LIBS = prompt "Extra libraries for pthread_atfork and clock_gettime?", "$librt $solaris_libs";
192 193
193 194
194print <<EOF; 195print <<EOF;
195 196
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243print <<EOF; 244print <<EOF;
244 245
245*** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** 246*** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** ***
246 247
247 248
248EOF 249Very rarely, people want to tweak EV even more, e.g. to exclude
250or include certain watcher types or backends. This can be done by adding
251extra -D options here, or via the EV_EXTRA_DEFS environment variable.
249 252
253For example, if you run into compile problems because of missing memory
254fences (or you just want extra performance), you can tell EV to not support
255smp and threads via -DEV_NO_THREADS.
256
257Normal persons just press enter.
258
259EOF
260
261$DEFINE .= " " . prompt "Any extra -D options?", "$ENV{EV_EXTRA_DEFS}";
262
263print <<EOF;
264
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266
267
268EOF
269
250my @anyevent = eval { require AnyEvent; $AnyEvent::VERSION < 2.6 } ? (AnyEvent => 2.6) : (); 270my @anyevent = eval { require AnyEvent; $AnyEvent::VERSION < 5.29 } ? (AnyEvent => 5.29) : ();
251 271
252WriteMakefile( 272WriteMakefile(
253 dist => { 273 dist => {
254 PREOP => 'pod2text EV.pm | tee README >$(DISTVNAME)/README; chmod -R u=rwX,go=rX . ;', 274 PREOP => 'pod2text EV.pm | tee README >$(DISTVNAME)/README; chmod -R u=rwX,go=rX . ;',
255 COMPRESS => 'gzip -9v', 275 COMPRESS => 'gzip -9v',

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