1 | use 5.006; |
1 | use 5.006; |
2 | |
2 | |
3 | use Config; |
3 | use Config; |
4 | use ExtUtils::MakeMaker; |
4 | use ExtUtils::MakeMaker; |
5 | |
|
|
6 | |
5 | |
7 | unless (-e "libev/ev_epoll.c") { |
6 | unless (-e "libev/ev_epoll.c") { |
8 | print <<EOF; |
7 | print <<EOF; |
9 | |
8 | |
10 | *** |
9 | *** |
… | |
… | |
17 | exit 1; |
16 | exit 1; |
18 | } |
17 | } |
19 | |
18 | |
20 | print <<EOF; |
19 | print <<EOF; |
21 | |
20 | |
22 | |
|
|
23 | *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** |
21 | *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** |
|
|
22 | |
24 | |
23 | |
25 | Welcome to EV configuration. If you are in a hurry, just press return here |
24 | Welcome to EV configuration. If you are in a hurry, just press return here |
26 | and hope for the best. The defaults should usually do. |
25 | and hope for the best. The defaults should usually do. |
27 | |
26 | |
28 | EOF |
27 | EOF |
… | |
… | |
31 | $ENV{PERL_MM_USE_DEFAULT} = 1; |
30 | $ENV{PERL_MM_USE_DEFAULT} = 1; |
32 | } |
31 | } |
33 | |
32 | |
34 | print <<EOF; |
33 | print <<EOF; |
35 | |
34 | |
36 | |
|
|
37 | *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** |
35 | *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** |
|
|
36 | |
38 | |
37 | |
39 | POSIX optionally offers support for a monotonic clock source. EV |
38 | POSIX optionally offers support for a monotonic clock source. EV |
40 | can take advantage of this clock source to detect time jumps |
39 | can take advantage of this clock source to detect time jumps |
41 | reliably. Unfortunately, some systems are bound to be broken, so you can |
40 | reliably. Unfortunately, some systems are bound to be broken, so you can |
42 | disable this here: you can completely disable the detection and use of |
41 | disable this here: you can completely disable the detection and use of |
43 | the monotonic clock by answering 'n' here. Support for this clock type |
42 | the monotonic clock by answering 'n' here. Support for this clock type |
44 | will otherwise be autodetected at both compile- and runtime. |
43 | will otherwise be autodetected at both compile- and runtime. |
45 | |
44 | |
46 | EOF |
45 | EOF |
47 | |
46 | |
48 | if (prompt ("Enable optional support for CLOCK_MONOTONIC (y/n)?", "y") =~ /[yY]/) { |
47 | $DEFINE .= " -DEV_USE_MONOTONIC=" . (0 + (prompt ("Enable optional support for CLOCK_MONOTONIC (y/n)?", "y") =~ /[yY]/)); |
49 | $DEFINE .= " -DEV_USE_MONOTONIC"; |
|
|
50 | } |
|
|
51 | |
48 | |
52 | print <<EOF; |
49 | print <<EOF; |
53 | |
50 | |
54 | |
|
|
55 | *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** |
51 | *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** |
|
|
52 | |
56 | |
53 | |
57 | POSIX optionally offers support for a (potentially) high-resolution |
54 | POSIX optionally offers support for a (potentially) high-resolution |
58 | realtime clock interface. In a good implementation, using it is faster |
55 | realtime clock interface. In a good implementation, using it is faster |
59 | than the normal method of using gettimeofday. Unfortunately, this option |
56 | than the normal method of using gettimeofday. Unfortunately, this option |
60 | is also bound to be broken on some systems, so you can disable use and |
57 | is also bound to be broken on some systems, so you can disable use and |
61 | probing of this feature altogether here. Otherwise support for this clock |
58 | probing of this feature altogether here. Otherwise support for this clock |
62 | type will be autodetected at compiletime. |
59 | type will be autodetected at compiletime. |
63 | |
60 | |
64 | EOF |
61 | EOF |
65 | |
62 | |
66 | if (prompt ("Prefer clock_gettime (CLOCK_REALTIME) over gettimeofday (y/n)?", "y") !~ /[yY]/) { |
63 | $DEFINE .= " -DEV_USE_REALTIME=" . (0 + (prompt ("Prefer clock_gettime (CLOCK_REALTIME) over gettimeofday (y/n)?", "y") =~ /[yY]/)); |
67 | $DEFINE .= " -DEV_USE_REALTIME=0"; |
|
|
68 | } |
|
|
69 | |
64 | |
70 | print <<EOF; |
65 | print <<EOF; |
71 | |
66 | |
72 | |
|
|
73 | *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** |
67 | *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** |
|
|
68 | |
74 | |
69 | |
75 | EV can use various backends with various portability issue. The select |
70 | EV can use various backends with various portability issue. The select |
76 | backend is the most portable and makes for a good fallback, but it can be |
71 | backend is the most portable and makes for a good fallback, but it can be |
77 | limited to a low number of file descriptors and/or might not compile. If |
72 | limited to a low number of file descriptors and/or might not compile. If |
78 | you have problems with compiling ev_select., you might try to play around |
73 | you have problems with compiling ev_select.c, you might try to play around |
79 | with disabling it here, or forcing it to use the fd_set provided by your |
74 | with disabling it here, or forcing it to use the fd_set provided by your |
80 | OS, via the next question. I highly recommend keeping it in. |
75 | OS, via the next question. I highly recommend keeping it in. |
81 | |
76 | |
82 | EOF |
77 | EOF |
83 | |
78 | |
84 | if (prompt ("Enable select backend (y/n)?", "y") =~ /[yY]/) { |
79 | if (prompt ("Enable select backend (y/n)?", "y") =~ /[yY]/) { |
85 | $DEFINE .= " -DEV_USE_SELECT"; |
80 | $DEFINE .= " -DEV_USE_SELECT=1"; |
86 | |
81 | |
87 | print <<EOF; |
82 | print <<EOF; |
88 | |
83 | |
89 | |
|
|
90 | *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** |
84 | *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** |
|
|
85 | |
91 | |
86 | |
92 | The select backend can operate in two modes. One uses the system-provided |
87 | The select backend can operate in two modes. One uses the system-provided |
93 | fd_set and is usually limited to 1024 file descriptors (64 on windows), |
88 | fd_set and is usually limited to 1024 file descriptors (64 on windows), |
94 | the other requires your header files to define NFDBITS and declare a |
89 | the other requires your header files to define NFDBITS and declare a |
95 | suitable fd_mask type. If you run into problems compiling ev_select.c, you |
90 | suitable fd_mask type. If you run into problems compiling ev_select.c, you |
… | |
… | |
98 | EOF |
93 | EOF |
99 | |
94 | |
100 | if (prompt ("Force use of system fd_set for select backend (y/n)?", "n") =~ /[yY]/) { |
95 | if (prompt ("Force use of system fd_set for select backend (y/n)?", "n") =~ /[yY]/) { |
101 | $DEFINE .= " -DEV_SELECT_USE_FD_SET"; |
96 | $DEFINE .= " -DEV_SELECT_USE_FD_SET"; |
102 | } |
97 | } |
|
|
98 | } else { |
|
|
99 | $DEFINE .= " -DEV_USE_SELECT=0"; |
103 | } |
100 | } |
104 | |
101 | |
105 | print <<EOF; |
102 | print <<EOF; |
106 | |
103 | |
107 | |
|
|
108 | *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** |
104 | *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** |
|
|
105 | |
109 | |
106 | |
110 | The second very portable backend is poll(2). It does not exist on windows |
107 | The second very portable backend is poll(2). It does not exist on windows |
111 | and various versions of Mac OS X (and on the other versions it simply |
108 | and various versions of Mac OS X (and on the other versions it simply |
112 | doesn't work), but works basically everywhere else. It is recommended to use |
109 | doesn't work), but works basically everywhere else. It is recommended to use |
113 | the default here unless you run into compile problems in ev_poll.c. |
110 | the default here unless you run into compile problems in ev_poll.c. |
114 | |
111 | |
115 | EOF |
112 | EOF |
116 | |
113 | |
117 | if (prompt ("Enable poll backend (y/n)?", (-e "/usr/include/poll.h") ? "y" : "n") =~ /[yY]/) { |
114 | $DEFINE .= " -DEV_USE_POLL=" . (0 + (prompt ("Enable poll backend (y/n)?", (-e "/usr/include/poll.h") ? "y" : "n") =~ /[yY]/)); |
118 | $DEFINE .= " -DEV_USE_POLL"; |
|
|
119 | } |
|
|
120 | |
115 | |
121 | print <<EOF; |
116 | print <<EOF; |
122 | |
117 | |
123 | |
|
|
124 | *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** |
118 | *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** |
125 | |
119 | |
126 | EV by default uses select, which makes it hard to write efficient servers, |
120 | |
127 | especially if the number of active conencitons is much lower than the open |
121 | Select and poll make it hard to write efficient servers, especially if the |
|
|
122 | number of active connections is much lower than the watched ones. GNU/Linux |
128 | ones. GNU/Linux systems have a more scalable method called "epoll", which |
123 | systems have a more scalable method called "epoll", which EV can use. For |
129 | EV can use. For this to work, both your kernel and glibc have to support |
124 | this to work, both your kernel and glibc have to support epoll, but if you |
130 | epoll, but if you can compile it, the detection will be done at runtime, |
125 | can compile it, the detection will be done at runtime, and EV will safely |
131 | and EV will safely fall back to using select when epoll isn't available. |
126 | fall back to using select when epoll isn't available. If unsure, accept |
132 | If unsure, accept the default. |
127 | the default. |
133 | |
128 | |
134 | EOF |
129 | EOF |
135 | |
130 | |
136 | if (prompt ("Enable epoll backend (y/n)?", (-e "/usr/include/sys/epoll.h") ? "y" : "n") =~ /[yY]/) { |
131 | $DEFINE .= " -DEV_USE_EPOLL=" . (0 + (prompt ("Enable epoll backend (y/n)?", (-e "/usr/include/sys/epoll.h") ? "y" : "n") =~ /[yY]/)); |
137 | $DEFINE .= " -DEV_USE_EPOLL"; |
|
|
138 | } |
|
|
139 | |
132 | |
140 | print <<EOF; |
133 | print <<EOF; |
141 | |
134 | |
142 | |
|
|
143 | *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** |
135 | *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** |
144 | |
136 | |
|
|
137 | |
145 | Similarly to the epoll backend above, EV can take advantage of kqueue |
138 | Similarly to the epoll backend above, EV can take advantage of kqueue on |
146 | on many BSD systems (it seems to be broken on Mac OS X though, but what |
139 | many BSD systems. Support for kqueue will be detected at runtime, with a |
147 | isn't broken on that shoddy platform... ah yes, the cash gushing by apple, |
140 | safe fallback to other methods when it cannot be used. |
148 | selling defective software works perfectly there). Support for kqueue will |
|
|
149 | be detected at runtime, with a safe fallback to other methods when it |
|
|
150 | cannot be used. |
|
|
151 | |
141 | |
152 | EOF |
142 | Note that kqueue is broken on most operating systems, so it defaults to |
|
|
143 | 'n' on everything but netbsd. Here is what we know: |
153 | |
144 | |
|
|
145 | NetBSD: working in at least 3.1. Yeah! :) |
|
|
146 | FreeBSD: broken on at least 6.2-STABLE, |
|
|
147 | sockets and pipes *might* work, ptys definitely don't. |
|
|
148 | OpenBSD: reports indicate that it likely doesn't work |
|
|
149 | (similar problems as on FreeBSD). |
|
|
150 | OS X: completely, utterly broken on at least <= 10.5. |
|
|
151 | |
|
|
152 | EOF |
|
|
153 | |
|
|
154 | my $can_kqueue = $^O =~ /netbsd/i && -e "/usr/include/sys/event.h"; |
|
|
155 | |
|
|
156 | $DEFINE .= " -DEV_USE_KQUEUE=" . (0 + (prompt ("Enable kqueue backend (y/n)?", $can_kqueue ? "y" : "n") =~ /[yY]/)); |
|
|
157 | |
|
|
158 | print <<EOF; |
|
|
159 | |
|
|
160 | *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** |
|
|
161 | |
|
|
162 | |
|
|
163 | Similarly to the kqueue backend above, EV can take advantage of the |
|
|
164 | solaris 10 port interface. Support for port will be detected at runtime, |
|
|
165 | with a safe fallback to other methods when it cannot be used. |
|
|
166 | |
|
|
167 | EOF |
|
|
168 | |
154 | if (prompt ("Enable kqueue backend (y/n)?", (-e "/usr/include/sys/event.h") ? "y" : "n") =~ /[yY]/) { |
169 | $DEFINE .= " -DEV_USE_PORT=" . (0 + (prompt ("Enable port backend (y/n)?", (-e "/usr/include/sys/port.h") ? "y" : "n") =~ /[yY]/)); |
155 | $DEFINE .= " -DEV_USE_KQUEUE"; |
|
|
156 | } |
|
|
157 | |
170 | |
158 | print <<EOF; |
171 | print <<EOF; |
159 | |
172 | |
160 | |
|
|
161 | *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** |
173 | *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** |
|
|
174 | |
162 | |
175 | |
163 | EV needs the functions pthread_atfork and clock_gettime. On most systems |
176 | EV needs the functions pthread_atfork and clock_gettime. On most systems |
164 | you need some special libraries for this (such as -lrt and -lpthread). You |
177 | you need some special libraries for this (such as -lrt and -lpthread). You |
165 | can specify additional libraries to provide these calls now, or accept the |
178 | can specify additional libraries to provide these calls (and any other |
166 | default. |
179 | required by EV) now, or accept the default. |
167 | |
180 | |
168 | EOF |
181 | EOF |
169 | |
182 | |
|
|
183 | $SOLARIS_LIBS = $^O =~ /solaris/ ? " -lsocket -lnsl" : ""; |
|
|
184 | |
170 | $LIBS = prompt "Extra libraries for pthread_atfork and clock_gettime?", "-lpthread -lrt"; |
185 | $LIBS = prompt "Extra libraries for pthread_atfork and clock_gettime?", "-lpthread -lrt$SOLARIS_LIBS"; |
171 | |
186 | |
172 | |
187 | |
173 | print <<EOF; |
188 | print <<EOF; |
174 | |
189 | |
175 | |
|
|
176 | *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** |
190 | *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** |
177 | |
191 | |
|
|
192 | |
|
|
193 | 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 |
|
|
195 | you have it, it is usually a good idea to enable it. |
|
|
196 | |
178 | EOF |
197 | EOF |
|
|
198 | |
|
|
199 | my $can_inotify = -e "/usr/include/sys/inotify.h"; |
|
|
200 | |
|
|
201 | $DEFINE .= " -DEV_USE_INOTIFY=" . (0 + (prompt ("Enable inotify support (y/n)?", $can_inotify ? "y" : "n") =~ /[yY]/)); |
|
|
202 | |
|
|
203 | print <<EOF; |
|
|
204 | |
|
|
205 | *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** |
|
|
206 | |
|
|
207 | |
|
|
208 | EOF |
|
|
209 | |
|
|
210 | my @anyevent = eval { require AnyEvent; $AnyEvent::VERSION < 2.6 } ? (AnyEvent => 2.6) : (); |
179 | |
211 | |
180 | WriteMakefile( |
212 | WriteMakefile( |
181 | dist => { |
213 | dist => { |
182 | PREOP => 'pod2text EV.pm | tee README >$(DISTVNAME)/README; chmod -R u=rwX,go=rX . ;', |
214 | PREOP => 'pod2text EV.pm | tee README >$(DISTVNAME)/README; chmod -R u=rwX,go=rX . ;', |
183 | COMPRESS => 'gzip -9v', |
215 | COMPRESS => 'gzip -9v', |
… | |
… | |
190 | }, |
222 | }, |
191 | INC => "-Ilibev", |
223 | INC => "-Ilibev", |
192 | DEFINE => "$DEFINE", |
224 | DEFINE => "$DEFINE", |
193 | NAME => "EV", |
225 | NAME => "EV", |
194 | LIBS => [$LIBS], |
226 | LIBS => [$LIBS], |
|
|
227 | PREREQ_PM => { |
|
|
228 | @anyevent, |
|
|
229 | }, |
195 | VERSION_FROM => "EV.pm", |
230 | VERSION_FROM => "EV.pm", |
196 | PM => { |
231 | PM => { |
197 | 'EV.pm' => '$(INST_LIBDIR)/EV.pm', |
232 | 'EV.pm' => '$(INST_LIBDIR)/EV.pm', |
198 | 'EV/DNS.pm' => '$(INST_LIBDIR)/EV/DNS.pm', |
233 | 'EV/DNS.pm' => '$(INST_LIBDIR)/EV/DNS.pm', |
199 | 'EV/EVAPI.h' => '$(INST_LIBDIR)/EV/EVAPI.h', |
234 | 'EV/EVAPI.h' => '$(INST_LIBDIR)/EV/EVAPI.h', |