ViewVC Help
View File | Revision Log | Show Annotations | Download File
/cvs/EV/Makefile.PL
(Generate patch)

Comparing EV/Makefile.PL (file contents):
Revision 1.6 by root, Tue Oct 30 14:02:35 2007 UTC vs.
Revision 1.27 by root, Sat Dec 1 22:51:34 2007 UTC

1use 5.006; 1use 5.006;
2 2
3use Config;
3use ExtUtils::MakeMaker; 4use ExtUtils::MakeMaker;
5
6unless (-e "libev/ev_epoll.c") {
7 print <<EOF;
8
9***
10*** ERROR: libev is missing or damaged. If you used a CVS check-out of EV,
11*** you also have to check-out the "libev" module from the same CVS
12*** repository into the EV dir (i.e. EV/libev from outside).
13***
14
15EOF
16 exit 1;
17}
18
19print <<EOF;
20
21*** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** ***
22
23
24Welcome to EV configuration. If you are in a hurry, just press return here
25and hope for the best. The defaults should usually do.
26
27EOF
28
29if (prompt ("Skip further questions and use defaults (y/n)?", "y") =~ /[yY]/) {
30 $ENV{PERL_MM_USE_DEFAULT} = 1;
31}
32
33print <<EOF;
34
35*** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** ***
36
37
38POSIX optionally offers support for a monotonic clock source. EV
39can take advantage of this clock source to detect time jumps
40reliably. Unfortunately, some systems are bound to be broken, so you can
41disable this here: you can completely disable the detection and use of
42the monotonic clock by answering 'n' here. Support for this clock type
43will otherwise be autodetected at both compile- and runtime.
44
45EOF
46
47$DEFINE .= " -DEV_USE_MONOTONIC=" . (0 + (prompt ("Enable optional support for CLOCK_MONOTONIC (y/n)?", "y") =~ /[yY]/));
48
49print <<EOF;
50
51*** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** ***
52
53
54POSIX optionally offers support for a (potentially) high-resolution
55realtime clock interface. In a good implementation, using it is faster
56than the normal method of using gettimeofday. Unfortunately, this option
57is also bound to be broken on some systems, so you can disable use and
58probing of this feature altogether here. Otherwise support for this clock
59type will be autodetected at compiletime.
60
61EOF
62
63$DEFINE .= " -DEV_USE_REALTIME=" . (0 + (prompt ("Prefer clock_gettime (CLOCK_REALTIME) over gettimeofday (y/n)?", "y") =~ /[yY]/));
64
65print <<EOF;
66
67*** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** ***
68
69
70EV can use various backends with various portability issue. The select
71backend is the most portable and makes for a good fallback, but it can be
72limited to a low number of file descriptors and/or might not compile. If
73you have problems with compiling ev_select.c, you might try to play around
74with disabling it here, or forcing it to use the fd_set provided by your
75OS, via the next question. I highly recommend keeping it in.
76
77EOF
78
79if (prompt ("Enable select backend (y/n)?", "y") =~ /[yY]/) {
80 $DEFINE .= " -DEV_USE_SELECT=1";
81
82 print <<EOF;
83
84*** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** ***
85
86
87The select backend can operate in two modes. One uses the system-provided
88fd_set and is usually limited to 1024 file descriptors (64 on windows),
89the other requires your header files to define NFDBITS and declare a
90suitable fd_mask type. If you run into problems compiling ev_select.c, you
91can try forcing the use of the system fd_set here.
92
93EOF
94
95 if (prompt ("Force use of system fd_set for select backend (y/n)?", "n") =~ /[yY]/) {
96 $DEFINE .= " -DEV_SELECT_USE_FD_SET";
97 }
98} else {
99 $DEFINE .= " -DEV_USE_SELECT=0";
100}
101
102print <<EOF;
103
104*** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** ***
105
106
107The second very portable backend is poll(2). It does not exist on windows
108and various versions of Mac OS X (and on the other versions it simply
109doesn't work), but works basically everywhere else. It is recommended to use
110the default here unless you run into compile problems in ev_poll.c.
111
112EOF
113
114$DEFINE .= " -DEV_USE_POLL=" . (0 + (prompt ("Enable poll backend (y/n)?", (-e "/usr/include/poll.h") ? "y" : "n") =~ /[yY]/));
115
116print <<EOF;
117
118*** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** ***
119
120
121Select and poll make it hard to write efficient servers, especially if the
122number of active connections is much lower than the watched ones. GNU/Linux
123systems have a more scalable method called "epoll", which EV can use. For
124this to work, both your kernel and glibc have to support epoll, but if you
125can compile it, the detection will be done at runtime, and EV will safely
126fall back to using select when epoll isn't available. If unsure, accept
127the default.
128
129EOF
130
131$DEFINE .= " -DEV_USE_EPOLL=" . (0 + (prompt ("Enable epoll backend (y/n)?", (-e "/usr/include/sys/epoll.h") ? "y" : "n") =~ /[yY]/));
132
133print <<EOF;
134
135*** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** ***
136
137
138Similarly to the epoll backend above, EV can take advantage of kqueue on
139many BSD systems. Support for kqueue will be detected at runtime, with a
140safe fallback to other methods when it cannot be used.
141
142Note that kqueue is broken on most operating systems, so it defaults to
143'n' on everything but netbsd. Here is what we know:
144
145NetBSD: working in at least 3.1. Yeah! :)
146FreeBSD: broken on at least 6.2-STABLE,
147 sockets and pipes *might* work, ptys definitely don't.
148OpenBSD: reports indicate that it likely doesn't work
149 (similar problems as on FreeBSD).
150OS X: completely, utterly broken on at least <= 10.5.
151
152EOF
153
154my $can_kqueue = $^O =~ /netbsd/i && -e "/usr/include/sys/event.h";
155
156$DEFINE .= " -DEV_USE_KQUEUE=" . (0 + (prompt ("Enable kqueue backend (y/n)?", $can_kqueue ? "y" : "n") =~ /[yY]/));
157
158print <<EOF;
159
160*** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** ***
161
162
163Similarly to the kqueue backend above, EV can take advantage of the
164solaris 10 event port interface. Support for event ports will be detected
165at runtime, with a safe fallback to other methods when it cannot be used.
166
167EOF
168
169$DEFINE .= " -DEV_USE_PORT=" . (0 + (prompt ("Enable event port backend (y/n)?", (-e "/usr/include/sys/port.h") ? "y" : "n") =~ /[yY]/));
170
171print <<EOF;
172
173*** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** ***
174
175
176EV needs the functions pthread_atfork and clock_gettime. On most systems
177you need some special libraries for this (such as -lrt and -lpthread). You
178can specify additional libraries to provide these calls (and any other
179required by EV) now, or accept the default.
180
181EOF
182
183$SOLARIS_LIBS = $^O =~ /solaris/ ? " -lsocket -lnsl" : "";
184
185$LIBS = prompt "Extra libraries for pthread_atfork and clock_gettime?", "-lpthread -lrt$SOLARIS_LIBS";
186
187
188print <<EOF;
189
190*** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** ***
191
192
193A backend of a different kind is the Linux inotify(7) interface, which can
194be used to speed up (and reduce resource consumption) of stat watchers. If
195you have it, it is usually a good idea to enable it.
196
197EOF
198
199my $can_inotify = -e "/usr/include/sys/inotify.h";
200
201$DEFINE .= " -DEV_USE_INOTIFY=" . (0 + (prompt ("Enable inotify support (y/n)?", $can_inotify ? "y" : "n") =~ /[yY]/));
202
203print <<EOF;
204
205*** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** ***
206
207
208EOF
209
210my @anyevent = eval { require AnyEvent; $AnyEvent::VERSION < 2.6 } ? (AnyEvent => 2.6) : ();
4 211
5WriteMakefile( 212WriteMakefile(
6 dist => { 213 dist => {
7 PREOP => 'pod2text EV.pm | tee README >$(DISTVNAME)/README; chmod -R u=rwX,go=rX . ;', 214 PREOP => 'pod2text EV.pm | tee README >$(DISTVNAME)/README; chmod -R u=rwX,go=rX . ;',
8 COMPRESS => 'gzip -9v', 215 COMPRESS => 'gzip -9v',
9 SUFFIX => '.gz', 216 SUFFIX => '.gz',
10 }, 217 },
11 MYEXTLIB => 'libevent/.libs/libevent$(LIB_EXT)', 218 depend => {
219 "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 "
221 . "libev/event.h libev/event.c libev/ev_vars.h libev/ev_wrap.h",
222 },
223 INC => "-Ilibev",
224 DEFINE => "$DEFINE",
12 NAME => "EV", 225 NAME => "EV",
226 LIBS => [$LIBS],
227 PREREQ_PM => {
228 @anyevent,
229 },
13 VERSION_FROM => "EV.pm", 230 VERSION_FROM => "EV.pm",
14 PM => { 231 PM => {
15 'EV.pm' => '$(INST_LIBDIR)/EV.pm', 232 'EV.pm' => '$(INST_LIBDIR)/EV.pm',
16 'EV/AnyEvent.pm' => '$(INST_LIBDIR)/EV/AnyEvent.pm',
17 'EV/DNS.pm' => '$(INST_LIBDIR)/EV/DNS.pm',
18 'EV/EVAPI.h' => '$(INST_LIBDIR)/EV/EVAPI.h', 233 'EV/EVAPI.h' => '$(INST_LIBDIR)/EV/EVAPI.h',
19 'EV/MakeMaker.pm' => '$(INST_LIBDIR)/EV/MakeMaker.pm', 234 'EV/MakeMaker.pm' => '$(INST_LIBDIR)/EV/MakeMaker.pm',
20 'libevent/event.h' => '$(INST_LIBDIR)/EV/event.h', 235 'libev/ev.h' => '$(INST_LIBDIR)/EV/ev.h',
21 'libevent/evdns.h' => '$(INST_LIBDIR)/EV/evdns.h',
22 'libevent/evhttp.h' => '$(INST_LIBDIR)/EV/evhttp.h',
23 }, 236 },
24); 237);
25 238
26sub MY::postamble {
27 my $postamble =<<'END';
28 239
29libevent/Makefile: libevent/configure
30 cd libevent && CC="$(CC)" CFLAGS="$(OPTIMIZE) $(CFLAGS) $(CCCDLFLAGS)" ./configure --disable-shared --enable-static --disable-maintainer-mode
31
32clean::
33 -cd libevent && make distclean
34
35force:
36
37$(MYEXTLIB): libevent/Makefile force
38 cd libevent && $(MAKE) all
39
40END
41}
42

Diff Legend

Removed lines
+ Added lines
< Changed lines
> Changed lines