1 | use 5.006; |
1 | use 5.008002; |
2 | |
2 | |
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3 | use strict qw(vars subs); |
3 | use Config; |
4 | use Config; |
4 | use ExtUtils::MakeMaker; |
5 | use ExtUtils::MakeMaker; |
5 | |
6 | |
6 | unless (-e "libev/ev_epoll.c") { |
7 | unless (-e "libev/ev_epoll.c") { |
7 | print <<EOF; |
8 | print <<EOF; |
… | |
… | |
34 | |
35 | |
35 | *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** |
36 | *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** |
36 | |
37 | |
37 | |
38 | |
38 | POSIX optionally offers support for a monotonic clock source. EV |
39 | POSIX optionally offers support for a monotonic clock source. EV |
39 | can take advantage of this clock source to detect time jumps |
40 | 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 |
41 | 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 |
42 | 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 |
43 | the monotonic clock by answering 'n' here. Support for this clock type |
43 | will otherwise be autodetected at both compile- and runtime. |
44 | will otherwise be autodetected at both compile- and runtime. (this setting |
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45 | currently affects the use of nanosleep over select as well). |
44 | |
46 | |
45 | EOF |
47 | EOF |
46 | |
48 | |
47 | $DEFINE .= " -DEV_USE_MONOTONIC=" . (0 + (prompt ("Enable optional support for CLOCK_MONOTONIC (y/n)?", "y") =~ /[yY]/)); |
49 | my $DEFINE .= " -DEV_USE_MONOTONIC=" . (0 + (prompt ("Enable optional support for CLOCK_MONOTONIC (y/n)?", "y") =~ /[yY]/)); |
48 | |
50 | |
49 | print <<EOF; |
51 | print <<EOF; |
50 | |
52 | |
51 | *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** |
53 | *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** |
52 | |
54 | |
53 | |
55 | |
54 | POSIX optionally offers support for a (potentially) high-resolution |
56 | POSIX optionally offers support for a (potentially) high-resolution |
55 | realtime clock interface. In a good implementation, using it is faster |
57 | realtime clock interface. In a good implementation, using it is faster |
56 | than the normal method of using gettimeofday. Unfortunately, this option |
58 | than the normal method of using gettimeofday. Unfortunately, this option |
57 | is also bound to be broken on some systems, so you can disable use and |
59 | is also bound to be broken on some systems, and current EV versions do not |
58 | probing of this feature altogether here. Otherwise support for this clock |
60 | actually call gettimeofday very often, so it defaults to no. |
59 | type will be autodetected at compiletime. |
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60 | |
61 | |
61 | EOF |
62 | EOF |
62 | |
63 | |
63 | $DEFINE .= " -DEV_USE_REALTIME=" . (0 + (prompt ("Prefer clock_gettime (CLOCK_REALTIME) over gettimeofday (y/n)?", "y") =~ /[yY]/)); |
64 | $DEFINE .= " -DEV_USE_REALTIME=" . (0 + (prompt ("Prefer clock_gettime (CLOCK_REALTIME) over gettimeofday (y/n)?", "n") =~ /[yY]/)); |
64 | |
65 | |
65 | print <<EOF; |
66 | print <<EOF; |
66 | |
67 | |
67 | *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** |
68 | *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** |
68 | |
69 | |
69 | |
70 | |
70 | EV can use various backends with various portability issue. The select |
71 | EV can use various backends with various portability issues. The select |
71 | backend is the most portable and makes for a good fallback, but it can be |
72 | backend is the most portable and makes for a good fallback, but it can be |
72 | limited to a low number of file descriptors and/or might not compile. If |
73 | limited to a low number of file descriptors and/or might not compile. If |
73 | you have problems with compiling ev_select.c, you might try to play around |
74 | you have problems with compiling ev_select.c, you might try to play around |
74 | with disabling it here, or forcing it to use the fd_set provided by your |
75 | with disabling it here, or forcing it to use the fd_set provided by your |
75 | OS, via the next question. I highly recommend keeping it in. |
76 | OS, via the next question. I highly recommend keeping it in. |
… | |
… | |
126 | fall back to using select when epoll isn't available. If unsure, accept |
127 | fall back to using select when epoll isn't available. If unsure, accept |
127 | the default. |
128 | the default. |
128 | |
129 | |
129 | EOF |
130 | EOF |
130 | |
131 | |
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132 | my $can_epoll = -e "/usr/include/sys/epoll.h"; |
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133 | $can_epoll = $ENV{EV_EPOLL} if exists $ENV{EV_EPOLL}; |
131 | $DEFINE .= " -DEV_USE_EPOLL=" . (0 + (prompt ("Enable epoll backend (y/n)?", (-e "/usr/include/sys/epoll.h") ? "y" : "n") =~ /[yY]/)); |
134 | $DEFINE .= " -DEV_USE_EPOLL=" . (0 + (prompt ("Enable epoll backend (y/n)?", $can_epoll ? "y" : "n") =~ /[yY]/)); |
132 | |
135 | |
133 | print <<EOF; |
136 | print <<EOF; |
134 | |
137 | |
135 | *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** |
138 | *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** |
136 | |
139 | |
137 | |
140 | |
138 | Similarly to the epoll backend above, EV can take advantage of kqueue on |
141 | Similarly to the epoll backend above, EV can take advantage of kqueue on |
139 | many BSD systems. Support for kqueue will be detected at runtime, with a |
142 | many BSD systems. Support for kqueue will be detected at runtime, with a |
140 | safe fallback to other methods when it cannot be used. |
143 | safe fallback to other methods when it cannot be used. |
141 | |
144 | |
142 | Note that kqueue is broken on most operating systems, so it defaults to |
145 | Note that kqueue is broken on most operating systems, so by default it |
143 | 'n' on everything but netbsd. Here is what we know: |
146 | won't be used on many platforms, but you can still create your own event |
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147 | loop with kqueue backend if you ask specifically for it. |
144 | |
148 | |
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149 | Here is what we know: |
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150 | |
145 | NetBSD: working in at least 3.1. Yeah! :) |
151 | NetBSD: partially working in at least 3.1 and later. Yeah! :) |
146 | FreeBSD: broken on at least 6.2-STABLE, |
152 | FreeBSD: broken on at least 6.2-STABLE, spotty in later versions, |
147 | sockets and pipes *might* work, ptys definitely don't. |
153 | sockets *likely* work, ptys definitely don't. |
148 | OpenBSD: reports indicate that it likely doesn't work |
154 | OpenBSD: reports indicate that it likely doesn't work |
149 | (similar problems as on FreeBSD). |
155 | (similar problems as on FreeBSD). |
150 | OS X: completely, utterly broken on at least <= 10.5. |
156 | OS X: completely, utterly broken on at least <= 10.6. |
151 | |
157 | |
152 | EOF |
158 | EOF |
153 | |
159 | |
154 | my $can_kqueue = $^O =~ /netbsd/i && -e "/usr/include/sys/event.h"; |
160 | my $can_kqueue = -e "/usr/include/sys/event.h"; |
155 | |
161 | $can_kqueue = $ENV{EV_KQUEUE} if exists $ENV{EV_KQUEUE}; |
156 | $DEFINE .= " -DEV_USE_KQUEUE=" . (0 + (prompt ("Enable kqueue backend (y/n)?", $can_kqueue ? "y" : "n") =~ /[yY]/)); |
162 | $DEFINE .= " -DEV_USE_KQUEUE=" . (0 + (prompt ("Enable kqueue backend (y/n)?", $can_kqueue ? "y" : "n") =~ /[yY]/)); |
157 | |
163 | |
158 | print <<EOF; |
164 | print <<EOF; |
159 | |
165 | |
160 | *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** |
166 | *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** |
… | |
… | |
178 | can specify additional libraries to provide these calls (and any other |
184 | can specify additional libraries to provide these calls (and any other |
179 | required by EV) now, or accept the default. |
185 | required by EV) now, or accept the default. |
180 | |
186 | |
181 | EOF |
187 | EOF |
182 | |
188 | |
183 | $SOLARIS_LIBS = $^O =~ /solaris/ ? " -lsocket -lnsl" : ""; |
189 | my $solaris_libs = $^O =~ /solaris/i ? "-lsocket -lnsl" : ""; |
184 | |
190 | my $librt = $^O =~ /linux/i ? "-lpthread" : "-lpthread -lrt"; |
185 | $LIBS = prompt "Extra libraries for pthread_atfork and clock_gettime?", "-lpthread -lrt$SOLARIS_LIBS"; |
191 | my $LIBS = prompt "Extra libraries for pthread_atfork and clock_gettime?", "$librt $solaris_libs"; |
186 | |
192 | |
187 | |
193 | |
188 | print <<EOF; |
194 | print <<EOF; |
189 | |
195 | |
190 | *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** |
196 | *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** |
191 | |
197 | |
192 | |
198 | |
193 | A backend of a different kind is the Linux inotify(7) interface, which can |
199 | A backend of a different kind is the Linux inotify(7) interface, which can |
194 | be used to speed up (and reduce resource consumption) of stat watchers. If |
200 | be used to speed up (and reduce resource consumption) of stat watchers. If |
195 | you have it, it is usually a good idea to enable it. |
201 | you have the include file and libc support for it, it is usually a good |
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202 | idea to enable it, as kernel availability is detected at runtime. |
196 | |
203 | |
197 | EOF |
204 | EOF |
198 | |
205 | |
199 | my $can_inotify = -e "/usr/include/sys/inotify.h"; |
206 | my $can_inotify = -e "/usr/include/sys/inotify.h"; |
200 | |
207 | $can_inotify = $ENV{EV_INOTIFY} if exists $ENV{EV_INOTIFY}; |
201 | $DEFINE .= " -DEV_USE_INOTIFY=" . (0 + (prompt ("Enable inotify support (y/n)?", $can_inotify ? "y" : "n") =~ /[yY]/)); |
208 | $DEFINE .= " -DEV_USE_INOTIFY=" . (0 + (prompt ("Enable inotify support (y/n)?", $can_inotify ? "y" : "n") =~ /[yY]/)); |
202 | |
209 | |
203 | print <<EOF; |
210 | print <<EOF; |
204 | |
211 | |
205 | *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** |
212 | *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** |
206 | |
213 | |
207 | |
214 | |
208 | EOF |
215 | Another useful bit of functionality is the Linux eventfd, which is useful |
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216 | for faster signal handling (don't care) and intra-thread communications |
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217 | (more relevant). Kernel support for this will be probed at runtime, but |
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218 | your libc must contain the necessary wrapper. Glibc 2.7 and later should |
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219 | have this wrapper. |
209 | |
220 | |
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221 | EOF |
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222 | |
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223 | my $can_eventfd = -e "/usr/include/sys/eventfd.h"; |
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224 | $can_eventfd = $ENV{EV_EVENTFD} if exists $ENV{EV_EVENTFD}; |
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225 | $DEFINE .= " -DEV_USE_EVENTFD=" . (0 + (prompt ("Enable linux eventfd support (y/n)?", $can_eventfd ? "y" : "n") =~ /[yY]/)); |
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226 | |
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227 | print <<EOF; |
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228 | |
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229 | *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** |
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230 | |
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231 | |
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232 | Another sometimes useful bit of functionality is the Linux signalfd, which |
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233 | is useful for faster signal handling (don't care). Kernel support for |
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234 | this will be probed at runtime, but your libc must contain the necessary |
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235 | wrapper. Glibc 2.7 and later should have this wrapper. |
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236 | |
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237 | EOF |
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238 | |
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239 | my $can_signalfd = -e "/usr/include/sys/signalfd.h"; |
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240 | $can_signalfd = $ENV{EV_SIGNALFD} if exists $ENV{EV_SIGNALFD}; |
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241 | $DEFINE .= " -DEV_USE_SIGNALFD=" . (0 + (prompt ("Enable linux signalfd support (y/n)?", $can_signalfd ? "y" : "n") =~ /[yY]/)); |
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242 | |
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243 | print <<EOF; |
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244 | |
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245 | *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** |
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246 | |
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247 | |
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248 | EOF |
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249 | |
210 | my @anyevent = eval { require AnyEvent; $AnyEvent::VERSION < 2.6 } ? (AnyEvent => 2.6) : (); |
250 | my @anyevent = eval { require AnyEvent; $AnyEvent::VERSION < 5.29 } ? (AnyEvent => 5.29) : (); |
211 | |
251 | |
212 | WriteMakefile( |
252 | WriteMakefile( |
213 | dist => { |
253 | dist => { |
214 | PREOP => 'pod2text EV.pm | tee README >$(DISTVNAME)/README; chmod -R u=rwX,go=rX . ;', |
254 | PREOP => 'pod2text EV.pm | tee README >$(DISTVNAME)/README; chmod -R u=rwX,go=rX . ;', |
215 | COMPRESS => 'gzip -9v', |
255 | COMPRESS => 'gzip -9v', |
216 | SUFFIX => '.gz', |
256 | SUFFIX => '.gz', |
217 | }, |
257 | }, |
218 | depend => { |
258 | depend => { |
219 | "EV.c" => "EV/EVAPI.h " |
259 | "EV.c" => "EV/EVAPI.h " |
220 | . "libev/ev.c libev/ev.h libev/ev_epoll.c libev/ev_select.c libev/ev_kqueue.c libev/ev_poll.c " |
260 | . "libev/ev.c libev/ev.h libev/ev_epoll.c libev/ev_select.c libev/ev_kqueue.c libev/ev_poll.c " |
221 | . "libev/event.h libev/event.c libev/ev_vars.h libev/ev_wrap.h", |
261 | . "libev/ev_vars.h libev/ev_wrap.h", |
222 | }, |
262 | }, |
223 | INC => "-Ilibev", |
263 | INC => "-Ilibev", |
224 | DEFINE => "$DEFINE", |
264 | DEFINE => "$DEFINE", |
225 | NAME => "EV", |
265 | NAME => "EV", |
226 | LIBS => [$LIBS], |
266 | LIBS => [$LIBS], |
227 | PREREQ_PM => { |
267 | PREREQ_PM => { |
228 | @anyevent, |
268 | @anyevent, |
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269 | "common::sense" => 0, |
229 | }, |
270 | }, |
230 | VERSION_FROM => "EV.pm", |
271 | VERSION_FROM => "EV.pm", |
231 | PM => { |
272 | PM => { |
232 | 'EV.pm' => '$(INST_LIBDIR)/EV.pm', |
273 | 'EV.pm' => '$(INST_LIBDIR)/EV.pm', |
233 | 'EV/EVAPI.h' => '$(INST_LIBDIR)/EV/EVAPI.h', |
274 | 'EV/EVAPI.h' => '$(INST_LIBDIR)/EV/EVAPI.h', |
234 | 'EV/MakeMaker.pm' => '$(INST_LIBDIR)/EV/MakeMaker.pm', |
275 | 'EV/MakeMaker.pm' => '$(INST_LIBDIR)/EV/MakeMaker.pm', |
235 | 'libev/ev.h' => '$(INST_LIBDIR)/EV/ev.h', |
276 | 'libev/ev.h' => '$(INST_LIBDIR)/EV/ev.h', |
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277 | 'libev/ev.pod' => '$(INST_LIBDIR)/EV/libev.pod', |
236 | }, |
278 | }, |
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279 | MAN3PODS => { |
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280 | 'EV.pm' => '$(INST_MAN3DIR)/EV.$(MAN3EXT)', |
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281 | 'EV/MakeMaker.pm' => '$(INST_MAN3DIR)/EV::MakeMaker.$(MAN3EXT)', |
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282 | 'libev/ev.pod' => '$(INST_MAN3DIR)/EV::libev.$(MAN3EXT)', |
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283 | }, |
237 | ); |
284 | ); |
238 | |
285 | |
239 | |
286 | |