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 | |
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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 | |
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23 | *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** |
21 | *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** |
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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 | |
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37 | *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** |
35 | *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** |
38 | |
36 | |
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37 | |
39 | POSIX optionally offers support for a monotonic clock source. EV can |
38 | POSIX optionally offers support for a monotonic clock source. EV |
40 | take advantage of this clock source to detect time jumps reliably. This |
39 | can take advantage of this clock source to detect time jumps |
41 | will usually slow down EV a tiny amount, but this is usually |
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42 | well-invested. Unfortunately, some systems are bound to be broken, so |
40 | reliably. Unfortunately, some systems are bound to be broken, so you can |
43 | you can disable this here. Whatever your reasons, you can completely |
41 | disable this here: you can completely disable the detection and use of |
44 | disable the detection and use of this monotonic clock by answering 'n' |
42 | the monotonic clock by answering 'n' here. Support for this clock type |
45 | here. Support for this clock type will otherwise be autodetected at both |
43 | will otherwise be autodetected at both compile- and runtime. (this setting |
46 | compile- and runtime. |
44 | currently affects the use of nanosleep over select as well). |
47 | |
45 | |
48 | EOF |
46 | EOF |
49 | |
47 | |
50 | if (prompt ("Enable optional support for CLOCK_MONOTONIC (y/n)?", "y") =~ /[yY]/) { |
48 | $DEFINE .= " -DEV_USE_MONOTONIC=" . (0 + (prompt ("Enable optional support for CLOCK_MONOTONIC (y/n)?", "y") =~ /[yY]/)); |
51 | $DEFINE .= " -DEV_USE_MONOTONIC"; |
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52 | } |
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53 | |
49 | |
54 | print <<EOF; |
50 | print <<EOF; |
55 | |
51 | |
56 | |
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57 | *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** |
52 | *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** |
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53 | |
58 | |
54 | |
59 | POSIX optionally offers support for a (potentially) high-resolution |
55 | POSIX optionally offers support for a (potentially) high-resolution |
60 | realtime clock interface. In a good implementation, using it is faster |
56 | realtime clock interface. In a good implementation, using it is faster |
61 | than the normal method of using gettimeofday. Unfortunately, this option |
57 | than the normal method of using gettimeofday. Unfortunately, this option |
62 | is also bound to be broken on some systems, so you can disable use and |
58 | is also bound to be broken on some systems, so you can disable use and |
63 | probing of this feature altogether here. Otherwise support for this clock |
59 | probing of this feature altogether here. Otherwise support for this clock |
64 | type will be autodetected at compiletime. |
60 | type will be autodetected at compiletime. |
65 | |
61 | |
66 | EOF |
62 | EOF |
67 | |
63 | |
68 | if (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)?", "y") =~ /[yY]/)); |
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65 | |
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66 | print <<EOF; |
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67 | |
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68 | *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** |
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69 | |
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70 | |
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71 | Another useful bit of functionality is the Linux eventfd, which is useful |
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72 | for faster signal handling (don't care) and intra-thread communications |
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73 | (mostly useful for embedding). Kernel support for this will be probed at |
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74 | runtime, but your libc must contain the necessary wrapper. Glibc 2.7 and |
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75 | later should have this wrapper. |
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76 | |
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77 | EOF |
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78 | |
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79 | $DEFINE .= " -DEV_USE_EVENTFD=" . (0 + (prompt ("Enable linux eventfd support (y/n)?", (-e "/usr/include/sys/eventfd.h") ? "y" : "n") =~ /[yY]/)); |
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80 | |
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81 | print <<EOF; |
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82 | |
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83 | *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** |
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84 | |
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85 | |
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86 | EV can use various backends with various portability issue. The select |
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87 | backend is the most portable and makes for a good fallback, but it can be |
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88 | limited to a low number of file descriptors and/or might not compile. If |
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89 | you have problems with compiling ev_select.c, you might try to play around |
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90 | with disabling it here, or forcing it to use the fd_set provided by your |
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91 | OS, via the next question. I highly recommend keeping it in. |
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92 | |
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93 | EOF |
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94 | |
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95 | if (prompt ("Enable select backend (y/n)?", "y") =~ /[yY]/) { |
69 | $DEFINE .= " -DEV_USE_REALTIME=0"; |
96 | $DEFINE .= " -DEV_USE_SELECT=1"; |
70 | } |
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71 | |
97 | |
72 | print <<EOF; |
98 | print <<EOF; |
73 | |
99 | |
74 | |
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75 | *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** |
100 | *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** |
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101 | |
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102 | |
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103 | The select backend can operate in two modes. One uses the system-provided |
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104 | fd_set and is usually limited to 1024 file descriptors (64 on windows), |
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105 | the other requires your header files to define NFDBITS and declare a |
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106 | suitable fd_mask type. If you run into problems compiling ev_select.c, you |
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107 | can try forcing the use of the system fd_set here. |
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108 | |
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109 | EOF |
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110 | |
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111 | if (prompt ("Force use of system fd_set for select backend (y/n)?", "n") =~ /[yY]/) { |
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112 | $DEFINE .= " -DEV_SELECT_USE_FD_SET"; |
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113 | } |
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114 | } else { |
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115 | $DEFINE .= " -DEV_USE_SELECT=0"; |
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116 | } |
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117 | |
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118 | print <<EOF; |
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119 | |
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120 | *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** |
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121 | |
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122 | |
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123 | The second very portable backend is poll(2). It does not exist on windows |
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124 | and various versions of Mac OS X (and on the other versions it simply |
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125 | doesn't work), but works basically everywhere else. It is recommended to use |
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126 | the default here unless you run into compile problems in ev_poll.c. |
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127 | |
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128 | EOF |
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129 | |
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130 | $DEFINE .= " -DEV_USE_POLL=" . (0 + (prompt ("Enable poll backend (y/n)?", (-e "/usr/include/poll.h") ? "y" : "n") =~ /[yY]/)); |
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131 | |
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132 | print <<EOF; |
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133 | |
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134 | *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** |
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135 | |
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136 | |
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137 | Select and poll make it hard to write efficient servers, especially if the |
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138 | number of active connections is much lower than the watched ones. GNU/Linux |
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139 | systems have a more scalable method called "epoll", which EV can use. For |
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140 | this to work, both your kernel and glibc have to support epoll, but if you |
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141 | can compile it, the detection will be done at runtime, and EV will safely |
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142 | fall back to using select when epoll isn't available. If unsure, accept |
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143 | the default. |
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144 | |
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145 | EOF |
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146 | |
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147 | $DEFINE .= " -DEV_USE_EPOLL=" . (0 + (prompt ("Enable epoll backend (y/n)?", (-e "/usr/include/sys/epoll.h") ? "y" : "n") =~ /[yY]/)); |
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148 | |
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149 | print <<EOF; |
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150 | |
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151 | *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** |
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152 | |
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153 | |
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154 | Similarly to the epoll backend above, EV can take advantage of kqueue on |
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155 | many BSD systems. Support for kqueue will be detected at runtime, with a |
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156 | safe fallback to other methods when it cannot be used. |
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157 | |
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158 | Note that kqueue is broken on most operating systems, so by default it |
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159 | won't be used on many platforms, but you can still create your own event |
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160 | loop with qkueue backend. |
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161 | |
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162 | Here is what we know: |
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163 | |
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164 | NetBSD: partially working in at least 3.1. Yeah! :) |
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165 | FreeBSD: broken on at least 6.2-STABLE, |
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166 | sockets *likely* work, ptys definitely don't. |
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167 | OpenBSD: reports indicate that it likely doesn't work |
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168 | (similar problems as on FreeBSD). |
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169 | OS X: completely, utterly broken on at least < 10.5. |
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170 | |
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171 | EOF |
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172 | |
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173 | my $can_kqueue = -e "/usr/include/sys/event.h"; |
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174 | |
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175 | $DEFINE .= " -DEV_USE_KQUEUE=" . (0 + (prompt ("Enable kqueue backend (y/n)?", $can_kqueue ? "y" : "n") =~ /[yY]/)); |
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176 | |
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177 | print <<EOF; |
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178 | |
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179 | *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** |
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180 | |
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181 | |
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182 | Similarly to the kqueue backend above, EV can take advantage of the |
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183 | solaris 10 event port interface. Support for event ports will be detected |
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184 | at runtime, with a safe fallback to other methods when it cannot be used. |
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185 | |
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186 | EOF |
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187 | |
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188 | $DEFINE .= " -DEV_USE_PORT=" . (0 + (prompt ("Enable event port backend (y/n)?", (-e "/usr/include/sys/port.h") ? "y" : "n") =~ /[yY]/)); |
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189 | |
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190 | print <<EOF; |
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191 | |
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192 | *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** |
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193 | |
76 | |
194 | |
77 | EV needs the functions pthread_atfork and clock_gettime. On most systems |
195 | EV needs the functions pthread_atfork and clock_gettime. On most systems |
78 | you need some special libraries for this (such as -lrt and -lpthread). You can |
196 | you need some special libraries for this (such as -lrt and -lpthread). You |
79 | specify additional libraries to provide these calls now, or accept the default. |
197 | can specify additional libraries to provide these calls (and any other |
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198 | required by EV) now, or accept the default. |
80 | |
199 | |
81 | EOF |
200 | EOF |
82 | |
201 | |
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202 | $SOLARIS_LIBS = $^O =~ /solaris/ ? " -lsocket -lnsl" : ""; |
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203 | |
83 | $LIBS = prompt "Extra libraries for pthread_atfork and clock_gettime?", "-lpthread -lrt"; |
204 | $LIBS = prompt "Extra libraries for pthread_atfork and clock_gettime?", "-lpthread -lrt$SOLARIS_LIBS"; |
84 | |
205 | |
85 | |
206 | |
86 | print <<EOF; |
207 | print <<EOF; |
87 | |
208 | |
88 | |
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89 | *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** |
209 | *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** |
90 | |
210 | |
91 | EV needs the functions pthread_atfork and clock_gettime. On most systems |
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92 | you need some special libraries for this (such as -lrt and -lpthread). You can |
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93 | specify additional libraries to provide these calls now, or accept the default. |
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94 | |
211 | |
95 | EOF |
212 | A backend of a different kind is the Linux inotify(7) interface, which can |
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213 | be used to speed up (and reduce resource consumption) of stat watchers. If |
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214 | you have it, it is usually a good idea to enable it. |
96 | |
215 | |
97 | if (prompt ("Enable epoll backend (y/n)?", (-e "/usr/include/sys/epoll.h") ? "y" : "n") =~ /[yY]/) { |
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98 | $DEFINE .= " -DEV_USE_EPOLL"; |
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99 | } |
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100 | |
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101 | print <<EOF; |
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102 | |
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103 | |
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104 | *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** |
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105 | |
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106 | EOF |
216 | EOF |
107 | |
217 | |
108 | #$ENV{CC} = $Config{cc}; |
218 | my $can_inotify = -e "/usr/include/sys/inotify.h"; |
109 | #$ENV{CFLAGS} = join " ", map $Config{$_}, qw(inc optimize ccflags cccdlflags); |
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110 | #system "cd libevent && ./configure --disable-shared --enable-static --disable-maintainer-mode" |
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111 | # and die "configure failed."; |
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112 | |
219 | |
113 | #$LIBS = qx<cd libevent && make printlibs>; |
220 | $DEFINE .= " -DEV_USE_INOTIFY=" . (0 + (prompt ("Enable inotify support (y/n)?", $can_inotify ? "y" : "n") =~ /[yY]/)); |
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221 | |
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222 | print <<EOF; |
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223 | |
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224 | *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** |
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225 | |
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226 | |
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227 | EOF |
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228 | |
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229 | my @anyevent = eval { require AnyEvent; $AnyEvent::VERSION < 2.6 } ? (AnyEvent => 2.6) : (); |
114 | |
230 | |
115 | WriteMakefile( |
231 | WriteMakefile( |
116 | dist => { |
232 | dist => { |
117 | PREOP => 'pod2text EV.pm | tee README >$(DISTVNAME)/README; chmod -R u=rwX,go=rX . ;', |
233 | PREOP => 'pod2text EV.pm | tee README >$(DISTVNAME)/README; chmod -R u=rwX,go=rX . ;', |
118 | COMPRESS => 'gzip -9v', |
234 | COMPRESS => 'gzip -9v', |
119 | SUFFIX => '.gz', |
235 | SUFFIX => '.gz', |
120 | }, |
236 | }, |
121 | depend => { |
237 | depend => { |
122 | "EV.c" => "EV/EVAPI.h libev/ev.c libev/ev.h libev/ev_epoll.c libev/ev_select.c", |
238 | "EV.c" => "EV/EVAPI.h " |
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239 | . "libev/ev.c libev/ev.h libev/ev_epoll.c libev/ev_select.c libev/ev_kqueue.c libev/ev_poll.c " |
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240 | . "libev/ev_vars.h libev/ev_wrap.h", |
123 | }, |
241 | }, |
124 | INC => "-Ilibev", |
242 | INC => "-Ilibev", |
125 | DEFINE => "$DEFINE", |
243 | DEFINE => "$DEFINE", |
126 | NAME => "EV", |
244 | NAME => "EV", |
127 | LIBS => [$LIBS], |
245 | LIBS => [$LIBS], |
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246 | PREREQ_PM => { |
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247 | @anyevent, |
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248 | }, |
128 | VERSION_FROM => "EV.pm", |
249 | VERSION_FROM => "EV.pm", |
129 | PM => { |
250 | PM => { |
130 | 'EV.pm' => '$(INST_LIBDIR)/EV.pm', |
251 | 'EV.pm' => '$(INST_LIBDIR)/EV.pm', |
131 | 'EV/AnyEvent.pm' => '$(INST_LIBDIR)/EV/AnyEvent.pm', |
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132 | #'EV/DNS.pm' => '$(INST_LIBDIR)/EV/DNS.pm', |
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133 | 'EV/EVAPI.h' => '$(INST_LIBDIR)/EV/EVAPI.h', |
252 | 'EV/EVAPI.h' => '$(INST_LIBDIR)/EV/EVAPI.h', |
134 | 'EV/MakeMaker.pm' => '$(INST_LIBDIR)/EV/MakeMaker.pm', |
253 | 'EV/MakeMaker.pm' => '$(INST_LIBDIR)/EV/MakeMaker.pm', |
135 | 'libev/ev.h' => '$(INST_LIBDIR)/EV/ev.h', |
254 | 'libev/ev.h' => '$(INST_LIBDIR)/EV/ev.h', |
136 | }, |
255 | }, |
137 | ); |
256 | ); |