Commit | Line | Data |
56c1b3bd |
1 | #!/usr/bin/perl |
2 | # |
3 | # In general we trust %Config, but for nanosleep() this trust |
3d0346a5 |
4 | # may be misplaced (it may be linkable but not really functional). |
56c1b3bd |
5 | # Use $ENV{FORCE_NANOSLEEP_SCAN} to force rescanning whether there |
6 | # really is hope. |
7 | |
3f2ee006 |
8 | require 5.002; |
9 | |
10 | use Config; |
dcf686c9 |
11 | use ExtUtils::MakeMaker; |
98b50af3 |
12 | use strict; |
3f2ee006 |
13 | |
14 | my $VERBOSE = $ENV{VERBOSE}; |
98b50af3 |
15 | my $DEFINE; |
046e3f33 |
16 | my $LIBS = []; |
56c1b3bd |
17 | my $XSOPT = ''; |
ced84e60 |
18 | my $SYSCALL_H; |
98b50af3 |
19 | |
046e3f33 |
20 | use vars qw($self); # Used in 'sourcing' the hints. |
21 | |
4ed0e2d4 |
22 | my $ld_exeext = ($^O eq 'cygwin' || |
23 | $^O eq 'os2' && $Config{ldflags} =~ /-Zexe\b/) ? '.exe' : ''; |
622913ab |
24 | |
12724655 |
25 | unless($ENV{PERL_CORE}) { |
26 | $ENV{PERL_CORE} = 1 if grep { $_ eq 'PERL_CORE=1' } @ARGV; |
98b50af3 |
27 | } |
28 | |
29 | # Perls 5.002 and 5.003 did not have File::Spec, fake what we need. |
3f2ee006 |
30 | |
31 | sub my_dirsep { |
32 | $^O eq 'VMS' ? '.' : |
33 | $^O =~ /mswin32|netware|djgpp/i ? '\\' : |
34 | $^O eq 'MacOS' ? ':' |
35 | : '/'; |
36 | } |
37 | |
38 | sub my_catdir { |
39 | shift; |
40 | my $catdir = join(my_dirsep, @_); |
98b50af3 |
41 | $^O eq 'VMS' ? "[$catdir]" : $catdir; |
42 | } |
43 | |
44 | sub my_catfile { |
45 | shift; |
46 | return join(my_dirsep, @_) unless $^O eq 'VMS'; |
47 | my $file = pop; |
48 | return my_catdir (undef, @_) . $file; |
3f2ee006 |
49 | } |
50 | |
51 | sub my_updir { |
52 | shift; |
53 | $^O eq 'VMS' ? "-" : ".."; |
54 | } |
55 | |
56 | BEGIN { |
57 | eval { require File::Spec }; |
58 | if ($@) { |
25ca0970 |
59 | *File::Spec::catdir = \&my_catdir; |
60 | *File::Spec::updir = \&my_updir; |
98b50af3 |
61 | *File::Spec::catfile = \&my_catfile; |
3f2ee006 |
62 | } |
63 | } |
64 | |
98b50af3 |
65 | # Avoid 'used only once' warnings. |
66 | my $nop1 = *File::Spec::catdir; |
67 | my $nop2 = *File::Spec::updir; |
68 | my $nop3 = *File::Spec::catfile; |
69 | |
3f2ee006 |
70 | # if you have 5.004_03 (and some slightly older versions?), xsubpp |
71 | # tries to generate line numbers in the C code generated from the .xs. |
72 | # unfortunately, it is a little buggy around #ifdef'd code. |
5d899d7e |
73 | # my choice is leave it in and have people with old perls complain |
3f2ee006 |
74 | # about the "Usage" bug, or leave it out and be unable to compile myself |
5d899d7e |
75 | # without changing it, and then I'd always forget to change it before a |
3f2ee006 |
76 | # release. Sorry, Edward :) |
77 | |
3f2ee006 |
78 | sub try_compile_and_link { |
79 | my ($c, %args) = @_; |
80 | |
81 | my ($ok) = 0; |
2359510d |
82 | my ($tmp) = "tmp$$"; |
3f2ee006 |
83 | local(*TMPC); |
84 | |
85 | my $obj_ext = $Config{obj_ext} || ".o"; |
86 | unlink("$tmp.c", "$tmp$obj_ext"); |
87 | |
88 | if (open(TMPC, ">$tmp.c")) { |
89 | print TMPC $c; |
90 | close(TMPC); |
91 | |
98b50af3 |
92 | my $cccmd = $args{cccmd}; |
3f2ee006 |
93 | |
94 | my $errornull; |
95 | |
96 | my $COREincdir; |
98b50af3 |
97 | |
3f2ee006 |
98 | if ($ENV{PERL_CORE}) { |
99 | my $updir = File::Spec->updir; |
100 | $COREincdir = File::Spec->catdir(($updir) x 3); |
101 | } else { |
102 | $COREincdir = File::Spec->catdir($Config{'archlibexp'}, 'CORE'); |
103 | } |
98b50af3 |
104 | |
3f2ee006 |
105 | my $ccflags = $Config{'ccflags'} . ' ' . "-I$COREincdir"; |
98b50af3 |
106 | |
3f2ee006 |
107 | if ($^O eq 'VMS') { |
108 | if ($ENV{PERL_CORE}) { |
3d036c2b |
109 | # Fragile if the extensions change hierarchy within |
6a20eacc |
110 | # the Perl core but this should do for now. |
111 | $cccmd = "$Config{'cc'} /include=([---]) $tmp.c"; |
3f2ee006 |
112 | } else { |
113 | my $perl_core = $Config{'installarchlib'}; |
114 | $perl_core =~ s/\]$/.CORE]/; |
98b50af3 |
115 | $cccmd = "$Config{'cc'} /include=(perl_root:[000000],$perl_core) $tmp.c"; |
3f2ee006 |
116 | } |
117 | } |
118 | |
119 | if ($args{silent} || !$VERBOSE) { |
120 | $errornull = "2>/dev/null" unless defined $errornull; |
121 | } else { |
122 | $errornull = ''; |
123 | } |
124 | |
98b50af3 |
125 | $cccmd = "$Config{'cc'} -o $tmp $ccflags $tmp.c @$LIBS $errornull" |
3f2ee006 |
126 | unless defined $cccmd; |
98b50af3 |
127 | |
c1363767 |
128 | if ($^O eq 'VMS') { |
3f2ee006 |
129 | open( CMDFILE, ">$tmp.com" ); |
130 | print CMDFILE "\$ SET MESSAGE/NOFACILITY/NOSEVERITY/NOIDENT/NOTEXT\n"; |
131 | print CMDFILE "\$ $cccmd\n"; |
98b50af3 |
132 | print CMDFILE "\$ IF \$SEVERITY .NE. 1 THEN EXIT 44\n"; # escalate |
3f2ee006 |
133 | close CMDFILE; |
134 | system("\@ $tmp.com"); |
135 | $ok = $?==0; |
5d899d7e |
136 | for ("$tmp.c", "$tmp$obj_ext", "$tmp.com", "$tmp$Config{exe_ext}") { |
98b50af3 |
137 | 1 while unlink $_; |
3f2ee006 |
138 | } |
139 | } |
140 | else |
141 | { |
622913ab |
142 | my $tmp_exe = "$tmp$ld_exeext"; |
3f2ee006 |
143 | printf "cccmd = $cccmd\n" if $VERBOSE; |
622913ab |
144 | my $res = system($cccmd); |
ced84e60 |
145 | $ok = defined($res) && $res == 0 && -s $tmp_exe && -x _; |
26e22fd9 |
146 | |
147 | if ( $ok && exists $args{run} && $args{run}) { |
06252d99 |
148 | my $tmp_exe = |
149 | File::Spec->catfile(File::Spec->curdir, $tmp_exe); |
150 | printf "Running $tmp_exe..." if $VERBOSE; |
151 | if (system($tmp_exe) == 0) { |
56c1b3bd |
152 | $ok = 1; |
26e22fd9 |
153 | } else { |
56c1b3bd |
154 | $ok = 0; |
ced84e60 |
155 | my $errno = $? >> 8; |
156 | local $! = $errno; |
157 | printf <<EOF; |
158 | |
159 | *** The test run of '$tmp_exe' failed: status $? |
160 | *** (the status means: errno = $errno or '$!') |
161 | *** DO NOT PANIC: this just means that *some* functionality will be missing. |
162 | EOF |
26e22fd9 |
163 | } |
164 | } |
622913ab |
165 | unlink("$tmp.c", $tmp_exe); |
3f2ee006 |
166 | } |
167 | } |
5d899d7e |
168 | |
26e22fd9 |
169 | return $ok; |
3f2ee006 |
170 | } |
171 | |
75d5269b |
172 | my $TIME_HEADERS = <<EOH; |
5d899d7e |
173 | #include "EXTERN.h" |
174 | #include "perl.h" |
175 | #include "XSUB.h" |
176 | #ifdef I_SYS_TYPES |
3f2ee006 |
177 | # include <sys/types.h> |
178 | #endif |
3f2ee006 |
179 | #ifdef I_SYS_TIME |
180 | # include <sys/time.h> |
181 | #endif |
3f2ee006 |
182 | #ifdef I_SYS_SELECT |
183 | # include <sys/select.h> /* struct timeval might be hidden in here */ |
184 | #endif |
75d5269b |
185 | EOH |
186 | |
187 | sub has_gettimeofday { |
188 | # confusing but true (if condition true ==> -DHAS_GETTIMEOFDAY already) |
189 | return 0 if $Config{d_gettimeod}; |
190 | return 1 if try_compile_and_link(<<EOM); |
191 | $TIME_HEADERS |
3f2ee006 |
192 | static int foo() |
193 | { |
194 | struct timeval tv; |
195 | gettimeofday(&tv, 0); |
196 | } |
197 | int main _((int argc, char** argv, char** env)) |
198 | { |
199 | foo(); |
200 | } |
201 | EOM |
202 | return 0; |
203 | } |
204 | |
205 | sub has_x { |
98b50af3 |
206 | my ($x, %args) = @_; |
3f2ee006 |
207 | |
208 | return 1 if |
209 | try_compile_and_link(<<EOM, %args); |
210 | #include "EXTERN.h" |
211 | #include "perl.h" |
212 | #include "XSUB.h" |
213 | |
214 | #ifdef I_UNISTD |
215 | # include <unistd.h> |
216 | #endif |
217 | |
218 | #ifdef I_SYS_TYPES |
219 | # include <sys/types.h> |
220 | #endif |
221 | |
222 | #ifdef I_SYS_TIME |
223 | # include <sys/time.h> |
224 | #endif |
225 | |
226 | int main _((int argc, char** argv, char** env)) |
227 | { |
228 | $x; |
229 | } |
230 | EOM |
231 | return 0; |
232 | } |
233 | |
26e22fd9 |
234 | sub has_nanosleep { |
3d0346a5 |
235 | print "testing... "; |
26e22fd9 |
236 | return 1 if |
237 | try_compile_and_link(<<EOM, run => 1); |
238 | #include <time.h> |
239 | #include <sys/time.h> |
240 | #include <stdio.h> |
241 | #include <stdlib.h> |
242 | #include <errno.h> |
243 | |
244 | /* int nanosleep(const struct timespec *rqtp, struct timespec *rmtp); */ |
245 | |
71ac5476 |
246 | int main _((int argc, char** argv, char** env)) { |
26e22fd9 |
247 | struct timespec ts1, ts2; |
56c1b3bd |
248 | int ret; |
26e22fd9 |
249 | ts1.tv_sec = 0; |
250 | ts1.tv_nsec = 750000000; |
251 | ts2.tv_sec = 0; |
252 | ts2.tv_nsec = 0; |
56c1b3bd |
253 | errno = 0; |
ced84e60 |
254 | ret = nanosleep(&ts1, &ts2); /* E.g. in AIX nanosleep() fails and sets errno to ENOSYS. */ |
56c1b3bd |
255 | ret == 0 ? exit(0) : exit(errno ? errno : -1); |
26e22fd9 |
256 | } |
257 | EOM |
258 | } |
259 | |
4ed0e2d4 |
260 | sub has_include { |
261 | my ($inc) = @_; |
262 | return 1 if |
263 | try_compile_and_link(<<EOM); |
264 | #include "EXTERN.h" |
265 | #include "perl.h" |
266 | #include "XSUB.h" |
267 | |
268 | #include <$inc> |
269 | int main _((int argc, char** argv, char** env)) |
270 | { |
271 | return 0; |
272 | } |
273 | EOM |
274 | return 0; |
275 | } |
276 | |
170c5524 |
277 | sub has_clock_xxx_syscall { |
ced84e60 |
278 | my $x = shift; |
279 | return 0 unless defined $SYSCALL_H; |
280 | return 1 if |
281 | try_compile_and_link(<<EOM, run => 1); |
282 | #include "EXTERN.h" |
283 | #include "perl.h" |
284 | #include "XSUB.h" |
285 | #include <$SYSCALL_H> |
286 | int main _((int argc, char** argv, char** env)) |
287 | { |
288 | struct timespec ts; |
289 | /* Many Linuxes get ENOSYS even though the syscall exists. */ |
290 | /* All implementations are supposed to support CLOCK_REALTIME. */ |
291 | int ret = syscall(SYS_clock_$x, CLOCK_REALTIME, &ts); |
292 | ret == 0 ? exit(0) : exit(errno ? errno : -1); |
293 | } |
294 | EOM |
295 | } |
296 | |
170c5524 |
297 | sub has_clock_xxx { |
298 | my $xxx = shift; |
ced84e60 |
299 | return 1 if |
300 | try_compile_and_link(<<EOM, run => 1); |
301 | #include "EXTERN.h" |
302 | #include "perl.h" |
303 | #include "XSUB.h" |
304 | int main _((int argc, char** argv, char** env)) |
305 | { |
306 | struct timespec ts; |
170c5524 |
307 | int ret = clock_$xxx(CLOCK_REALTIME, &ts); /* Many Linuxes get ENOSYS. */ |
ced84e60 |
308 | /* All implementations are supposed to support CLOCK_REALTIME. */ |
309 | ret == 0 ? exit(0) : exit(errno ? errno : -1); |
310 | } |
311 | EOM |
312 | } |
313 | |
170c5524 |
314 | sub has_clock { |
315 | return 1 if |
316 | try_compile_and_link(<<EOM, run => 1); |
317 | #include "EXTERN.h" |
318 | #include "perl.h" |
319 | #include "XSUB.h" |
320 | int main _((int argc, char** argv, char** env)) |
321 | { |
322 | clock_t tictoc; |
323 | clock_t ret = clock(); |
324 | ret == (clock_t)-1 ? exit(errno ? errno : -1) : exit(0); |
325 | } |
326 | EOM |
327 | } |
328 | |
329 | sub has_clock_nanosleep { |
330 | return 1 if |
331 | try_compile_and_link(<<EOM, run => 1); |
332 | #include "EXTERN.h" |
333 | #include "perl.h" |
334 | #include "XSUB.h" |
335 | int main _((int argc, char** argv, char** env)) |
336 | { |
337 | int ret; |
338 | struct timerspec ts1; |
339 | struct timerspec ts2; |
340 | ts1.tv_sec = 0; |
341 | ts1.tv_nsec = 750000000;; |
342 | ret = clock_nanosleep(CLOCK_MONOTONIC, 0, &ts1, &ts2); |
343 | ret == 0 ? exit(0) : exit(errno ? errno : -1); |
344 | } |
345 | EOM |
346 | } |
347 | |
046e3f33 |
348 | sub init { |
349 | my $hints = File::Spec->catfile("hints", "$^O.pl"); |
350 | if (-f $hints) { |
351 | print "Using hints $hints...\n"; |
352 | local $self; |
353 | do $hints; |
354 | if (exists $self->{LIBS}) { |
355 | $LIBS = $self->{LIBS}; |
356 | print "Extra libraries: @$LIBS...\n"; |
3f2ee006 |
357 | } |
358 | } |
046e3f33 |
359 | |
360 | $DEFINE = ''; |
3f2ee006 |
361 | |
ced84e60 |
362 | if ($Config{d_syscall}) { |
a5929ff3 |
363 | print "Have syscall()... looking for syscall.h... "; |
ced84e60 |
364 | if (has_include('syscall.h')) { |
365 | $SYSCALL_H = 'syscall.h'; |
366 | } elsif (has_include('sys/syscall.h')) { |
367 | $SYSCALL_H = 'sys/syscall.h'; |
368 | } |
a5929ff3 |
369 | } else { |
370 | print "No syscall()...\n"; |
ced84e60 |
371 | } |
372 | |
a5929ff3 |
373 | if ($Config{d_syscall}) { |
374 | if (defined $SYSCALL_H) { |
375 | print "found <$SYSCALL_H>.\n"; |
376 | } else { |
377 | print "NOT found.\n"; |
378 | } |
ced84e60 |
379 | } |
380 | |
98b50af3 |
381 | print "Looking for gettimeofday()... "; |
3f2ee006 |
382 | my $has_gettimeofday; |
5d899d7e |
383 | if (exists $Config{d_gettimeod}) { |
384 | $has_gettimeofday++ if $Config{d_gettimeod}; |
3f2ee006 |
385 | } elsif (has_gettimeofday()) { |
386 | $DEFINE .= ' -DHAS_GETTIMEOFDAY'; |
387 | $has_gettimeofday++; |
388 | } |
389 | |
390 | if ($has_gettimeofday) { |
98b50af3 |
391 | print "found.\n"; |
3f2ee006 |
392 | } else { |
393 | die <<EOD |
394 | Your operating system does not seem to have the gettimeofday() function. |
395 | (or, at least, I cannot find it) |
396 | |
397 | There is no way Time::HiRes is going to work. |
398 | |
399 | I am awfully sorry but I cannot go further. |
400 | |
401 | Aborting configuration. |
402 | |
403 | EOD |
404 | } |
405 | |
98b50af3 |
406 | print "Looking for setitimer()... "; |
3f2ee006 |
407 | my $has_setitimer; |
5d899d7e |
408 | if (exists $Config{d_setitimer}) { |
409 | $has_setitimer++ if $Config{d_setitimer}; |
3f2ee006 |
410 | } elsif (has_x("setitimer(ITIMER_REAL, 0, 0)")) { |
411 | $has_setitimer++; |
412 | $DEFINE .= ' -DHAS_SETITIMER'; |
413 | } |
414 | |
415 | if ($has_setitimer) { |
98b50af3 |
416 | print "found.\n"; |
3f2ee006 |
417 | } else { |
98b50af3 |
418 | print "NOT found.\n"; |
3f2ee006 |
419 | } |
420 | |
98b50af3 |
421 | print "Looking for getitimer()... "; |
3f2ee006 |
422 | my $has_getitimer; |
5d899d7e |
423 | if (exists $Config{'d_getitimer'}) { |
424 | $has_getitimer++ if $Config{'d_getitimer'}; |
3f2ee006 |
425 | } elsif (has_x("getitimer(ITIMER_REAL, 0)")) { |
426 | $has_getitimer++; |
427 | $DEFINE .= ' -DHAS_GETITIMER'; |
428 | } |
429 | |
430 | if ($has_getitimer) { |
98b50af3 |
431 | print "found.\n"; |
3f2ee006 |
432 | } else { |
98b50af3 |
433 | print "NOT found.\n"; |
3f2ee006 |
434 | } |
435 | |
436 | if ($has_setitimer && $has_getitimer) { |
4ed0e2d4 |
437 | print "You have interval timers (both setitimer and getitimer).\n"; |
3f2ee006 |
438 | } else { |
98b50af3 |
439 | print "You do not have interval timers.\n"; |
3f2ee006 |
440 | } |
441 | |
98b50af3 |
442 | print "Looking for ualarm()... "; |
443 | my $has_ualarm; |
5d899d7e |
444 | if (exists $Config{d_ualarm}) { |
445 | $has_ualarm++ if $Config{d_ualarm}; |
3f2ee006 |
446 | } elsif (has_x ("ualarm (0, 0)")) { |
447 | $has_ualarm++; |
448 | $DEFINE .= ' -DHAS_UALARM'; |
449 | } |
450 | |
451 | if ($has_ualarm) { |
98b50af3 |
452 | print "found.\n"; |
3f2ee006 |
453 | } else { |
98b50af3 |
454 | print "NOT found.\n"; |
455 | if ($has_setitimer) { |
456 | print "But you have setitimer().\n"; |
457 | print "We can make a Time::HiRes::ualarm().\n"; |
3f2ee006 |
458 | } |
459 | } |
460 | |
98b50af3 |
461 | print "Looking for usleep()... "; |
3f2ee006 |
462 | my $has_usleep; |
5d899d7e |
463 | if (exists $Config{d_usleep}) { |
464 | $has_usleep++ if $Config{d_usleep}; |
3f2ee006 |
465 | } elsif (has_x ("usleep (0)")) { |
466 | $has_usleep++; |
467 | $DEFINE .= ' -DHAS_USLEEP'; |
468 | } |
469 | |
470 | if ($has_usleep) { |
98b50af3 |
471 | print "found.\n"; |
3f2ee006 |
472 | } else { |
98b50af3 |
473 | print "NOT found.\n"; |
474 | print "Let's see if you have select()... "; |
56c1b3bd |
475 | if ($Config{'d_select'}) { |
98b50af3 |
476 | print "found.\n"; |
477 | print "We can make a Time::HiRes::usleep().\n"; |
3f2ee006 |
478 | } else { |
98b50af3 |
479 | print "NOT found.\n"; |
480 | print "You won't have a Time::HiRes::usleep().\n"; |
3f2ee006 |
481 | } |
482 | } |
483 | |
98b50af3 |
484 | print "Looking for nanosleep()... "; |
3f2ee006 |
485 | my $has_nanosleep; |
3d0346a5 |
486 | if ($ENV{FORCE_NANOSLEEP_SCAN}) { |
487 | print "forced scan... "; |
488 | if (has_nanosleep()) { |
489 | $has_nanosleep++; |
490 | $DEFINE .= ' -DTIME_HIRES_NANOSLEEP'; |
491 | } |
492 | } |
493 | elsif (exists $Config{d_nanosleep}) { |
494 | print "believing \$Config{d_nanosleep}... "; |
c1363767 |
495 | if ($Config{d_nanosleep}) { |
496 | $has_nanosleep++; |
497 | $DEFINE .= ' -DTIME_HIRES_NANOSLEEP'; |
498 | } |
3d0346a5 |
499 | } elsif ($^O =~ /^(mpeix)$/) { |
500 | # MPE/iX falsely finds nanosleep from its libc equivalent. |
501 | print "skipping because in $^O... "; |
502 | } else { |
503 | if (has_nanosleep()) { |
504 | $has_nanosleep++; |
505 | $DEFINE .= ' -DTIME_HIRES_NANOSLEEP'; |
506 | } |
3f2ee006 |
507 | } |
508 | |
509 | if ($has_nanosleep) { |
98b50af3 |
510 | print "found.\n"; |
4ed0e2d4 |
511 | print "You can mix subsecond sleeps with signals, if you want to.\n"; |
512 | print "(It's still not portable, though.)\n"; |
3f2ee006 |
513 | } else { |
98b50af3 |
514 | print "NOT found.\n"; |
622913ab |
515 | my $nt = ($^O eq 'os2' ? '' : 'not'); |
516 | print "You can$nt mix subsecond sleeps with signals.\n"; |
4ed0e2d4 |
517 | print "(It would not be portable anyway.)\n"; |
518 | } |
519 | |
ced84e60 |
520 | print "Looking for clock_gettime()... "; |
521 | my $has_clock_gettime; |
522 | if (exists $Config{d_clock_gettime}) { |
523 | $has_clock_gettime++ if $Config{d_clock_gettime}; # Unlikely... |
170c5524 |
524 | } elsif (has_clock_xxx('gettime')) { |
ced84e60 |
525 | $has_clock_gettime++; |
526 | $DEFINE .= ' -DTIME_HIRES_CLOCK_GETTIME'; |
170c5524 |
527 | } elsif (defined $SYSCALL_H && has_clock_xxx_syscall('gettime')) { |
ced84e60 |
528 | $has_clock_gettime++; |
529 | $DEFINE .= ' -DTIME_HIRES_CLOCK_GETTIME -DTIME_HIRES_CLOCK_GETTIME_SYSCALL'; |
530 | } |
531 | |
532 | if ($has_clock_gettime) { |
533 | if ($DEFINE =~ /-DTIME_HIRES_CLOCK_GETTIME_SYSCALL/) { |
534 | print "found (via syscall).\n"; |
535 | } else { |
536 | print "found.\n"; |
537 | } |
538 | } else { |
539 | print "NOT found.\n"; |
540 | } |
541 | |
542 | print "Looking for clock_getres()... "; |
543 | my $has_clock_getres; |
544 | if (exists $Config{d_clock_getres}) { |
545 | $has_clock_getres++ if $Config{d_clock_getres}; # Unlikely... |
170c5524 |
546 | } elsif (has_clock_xxx('getres')) { |
ced84e60 |
547 | $has_clock_getres++; |
548 | $DEFINE .= ' -DTIME_HIRES_CLOCK_GETRES'; |
170c5524 |
549 | } elsif (defined $SYSCALL_H && has_clock_xxx_syscall('getres')) { |
ced84e60 |
550 | $has_clock_getres++; |
551 | $DEFINE .= ' -DTIME_HIRES_CLOCK_GETRES -DTIME_HIRES_CLOCK_GETRES_SYSCALL'; |
552 | } |
553 | |
554 | if ($has_clock_getres) { |
555 | if ($DEFINE =~ /-DTIME_HIRES_CLOCK_GETRES_SYSCALL/) { |
556 | print "found (via syscall).\n"; |
557 | } else { |
558 | print "found.\n"; |
559 | } |
560 | } else { |
561 | print "NOT found.\n"; |
562 | } |
563 | |
170c5524 |
564 | print "Looking for clock_nanosleep()... "; |
565 | my $has_clock_nanosleep; |
566 | if (exists $Config{d_clock_nanosleep}) { |
567 | $has_clock_nanosleep++ if $Config{d_clock_nanosleep}; # Unlikely... |
568 | } elsif (has_clock_nanosleep()) { |
569 | $has_clock_nanosleep++; |
570 | $DEFINE .= ' -DTIME_HIRES_CLOCK_NANOSLEEP'; |
571 | } |
572 | |
573 | if ($has_clock_nanosleep) { |
574 | print "found.\n"; |
575 | } else { |
576 | print "NOT found.\n"; |
577 | } |
578 | |
579 | print "Looking for clock()... "; |
580 | my $has_clock; |
581 | if (exists $Config{d_clock}) { |
582 | $has_clock++ if $Config{d_clock}; # Unlikely... |
583 | } elsif (has_clock()) { |
584 | $has_clock++; |
585 | $DEFINE .= ' -DTIME_HIRES_CLOCK'; |
586 | } |
587 | |
588 | if ($has_clock) { |
589 | print "found.\n"; |
590 | } else { |
591 | print "NOT found.\n"; |
592 | } |
593 | |
75d5269b |
594 | print "Trying struct stat st_atimespec.tv_nsec..."; |
595 | my $has_stat_st_xtimespec; |
596 | if (try_compile_and_link(<<EOM)) { |
597 | $TIME_HEADERS |
598 | #include <sys/stat.h> |
71ac5476 |
599 | int main _((int argc, char** argv, char** env)) { |
75d5269b |
600 | struct stat st; |
601 | st.st_atimespec.tv_nsec = 0; |
602 | } |
603 | EOM |
604 | $has_stat_st_xtimespec++; |
605 | $DEFINE .= ' -DTIME_HIRES_STAT=1'; |
606 | } |
607 | |
608 | if ($has_stat_st_xtimespec) { |
609 | print "found.\n"; |
610 | } else { |
611 | print "NOT found.\n"; |
612 | } |
613 | |
614 | print "Trying struct stat st_atimensec..."; |
615 | my $has_stat_st_xtimensec; |
616 | if (try_compile_and_link(<<EOM)) { |
617 | $TIME_HEADERS |
618 | #include <sys/stat.h> |
71ac5476 |
619 | int main _((int argc, char** argv, char** env)) { |
75d5269b |
620 | struct stat st; |
621 | st.st_atimensec = 0; |
622 | } |
623 | EOM |
624 | $has_stat_st_xtimensec++; |
625 | $DEFINE .= ' -DTIME_HIRES_STAT=2'; |
626 | } |
627 | |
628 | if ($has_stat_st_xtimensec) { |
629 | print "found.\n"; |
630 | } else { |
631 | print "NOT found.\n"; |
632 | } |
633 | |
634 | print "Trying struct stat st_atime_n..."; |
635 | my $has_stat_st_xtime_n; |
636 | if (try_compile_and_link(<<EOM)) { |
637 | $TIME_HEADERS |
638 | #include <sys/stat.h> |
71ac5476 |
639 | int main _((int argc, char** argv, char** env)) { |
75d5269b |
640 | struct stat st; |
641 | st.st_atime_n = 0; |
642 | } |
643 | EOM |
644 | $has_stat_st_xtime_n++; |
645 | $DEFINE .= ' -DTIME_HIRES_STAT=3'; |
646 | } |
647 | |
648 | if ($has_stat_st_xtime_n) { |
649 | print "found.\n"; |
650 | } else { |
651 | print "NOT found.\n"; |
652 | } |
653 | |
654 | print "Trying struct stat st_atim.tv_nsec..."; |
655 | my $has_stat_st_xtim; |
656 | if (try_compile_and_link(<<EOM)) { |
657 | $TIME_HEADERS |
658 | #include <sys/stat.h> |
71ac5476 |
659 | int main _((int argc, char** argv, char** env)) { |
75d5269b |
660 | struct stat st; |
661 | st.st_atim.tv_nsec = 0; |
662 | } |
663 | EOM |
664 | $has_stat_st_xtim++; |
665 | $DEFINE .= ' -DTIME_HIRES_STAT=4'; |
666 | } |
667 | |
668 | if ($has_stat_st_xtim) { |
669 | print "found.\n"; |
670 | } else { |
671 | print "NOT found.\n"; |
672 | } |
673 | |
674 | print "Trying struct stat st_uatime..."; |
675 | my $has_stat_st_uxtime; |
676 | if (try_compile_and_link(<<EOM)) { |
677 | $TIME_HEADERS |
678 | #include <sys/stat.h> |
71ac5476 |
679 | int main _((int argc, char** argv, char** env)) { |
75d5269b |
680 | struct stat st; |
681 | st.st_uatime = 0; |
682 | } |
683 | EOM |
684 | $has_stat_st_uxtime++; |
685 | $DEFINE .= ' -DTIME_HIRES_STAT=5'; |
686 | } |
687 | |
688 | if ($has_stat_st_uxtime) { |
689 | print "found.\n"; |
690 | } else { |
691 | print "NOT found.\n"; |
692 | } |
693 | |
694 | if ($DEFINE =~ /-DTIME_HIRES_STAT=\d+/) { |
695 | print "You seem to have stat subsecond timestamps.\n"; |
696 | print "(Your struct stat has them, but the filesystems must help.)\n"; |
697 | } else { |
698 | print "You do not seem to have stat subsecond timestamps.\n"; |
699 | } |
700 | |
4ed0e2d4 |
701 | my $has_w32api_windows_h; |
170c5524 |
702 | |
4ed0e2d4 |
703 | if ($^O eq 'cygwin') { |
704 | print "Looking for <w32api/windows.h>... "; |
705 | if (has_include('w32api/windows.h')) { |
706 | $has_w32api_windows_h++; |
707 | $DEFINE .= ' -DHAS_W32API_WINDOWS_H'; |
708 | } |
709 | if ($has_w32api_windows_h) { |
710 | print "found.\n"; |
711 | } else { |
712 | print "NOT found.\n"; |
713 | } |
3f2ee006 |
714 | } |
715 | |
716 | if ($DEFINE) { |
717 | $DEFINE =~ s/^\s+//; |
718 | if (open(XDEFINE, ">xdefine")) { |
719 | print XDEFINE $DEFINE, "\n"; |
720 | close(XDEFINE); |
721 | } |
722 | } |
723 | } |
724 | |
725 | sub doMakefile { |
98b50af3 |
726 | my @makefileopts = (); |
3f2ee006 |
727 | |
728 | if ($] >= 5.005) { |
729 | push (@makefileopts, |
730 | 'AUTHOR' => 'Jarkko Hietaniemi <jhi@iki.fi>', |
731 | 'ABSTRACT_FROM' => 'HiRes.pm', |
732 | ); |
733 | $DEFINE .= " -DATLEASTFIVEOHOHFIVE"; |
734 | } |
735 | |
736 | push (@makefileopts, |
737 | 'NAME' => 'Time::HiRes', |
738 | 'VERSION_FROM' => 'HiRes.pm', # finds $VERSION |
5d899d7e |
739 | 'LIBS' => $LIBS, # e.g., '-lm' |
740 | 'DEFINE' => $DEFINE, # e.g., '-DHAS_SOMETHING' |
3f2ee006 |
741 | 'XSOPT' => $XSOPT, |
ced84e60 |
742 | # Do not even think about 'INC' => '-I/usr/ucbinclude', |
743 | # Solaris will avenge. |
5d899d7e |
744 | 'INC' => '', # e.g., '-I/usr/include/other' |
9649b81b |
745 | 'INSTALLDIRS' => ($] >= 5.008 ? 'perl' : 'site'), |
3f2ee006 |
746 | 'dist' => { |
747 | 'CI' => 'ci -l', |
5d899d7e |
748 | 'COMPRESS' => 'gzip -9f', |
3f2ee006 |
749 | 'SUFFIX' => 'gz', |
750 | }, |
751 | clean => { FILES => "xdefine" }, |
1caec985 |
752 | realclean => { FILES=> 'const-c.inc const-xs.inc' }, |
3f2ee006 |
753 | ); |
754 | |
9ac5eb64 |
755 | if ($ENV{PERL_CORE}) { |
756 | push @makefileopts, MAN3PODS => {}; |
757 | } |
758 | |
3f2ee006 |
759 | WriteMakefile(@makefileopts); |
760 | } |
761 | |
98b50af3 |
762 | sub doConstants { |
763 | if (eval {require ExtUtils::Constant; 1}) { |
75d5269b |
764 | my @names = qw(CLOCK_HIGHRES CLOCK_MONOTONIC |
765 | CLOCK_PROCESS_CPUTIME_ID |
766 | CLOCK_REALTIME |
767 | CLOCK_SOFTTIME |
768 | CLOCK_THREAD_CPUTIME_ID |
769 | CLOCK_TIMEOFDAY |
770 | CLOCKS_PER_SEC |
771 | ITIMER_REAL ITIMER_VIRTUAL ITIMER_PROF |
772 | ITIMER_REALPROF |
773 | TIMER_ABSTIME); |
98b50af3 |
774 | foreach (qw (d_usleep d_ualarm d_gettimeofday d_getitimer d_setitimer |
170c5524 |
775 | d_nanosleep d_clock_gettime d_clock_getres |
75d5269b |
776 | d_clock d_clock_nanosleep d_hires_stat)) { |
98b50af3 |
777 | my $macro = $_; |
170c5524 |
778 | if ($macro =~ /^(d_nanosleep|d_clock_gettime|d_clock_getres|d_clock|d_clock_nanosleep)$/) { |
82cbdcc3 |
779 | $macro =~ s/^d_(.+)/TIME_HIRES_\U$1/; |
75d5269b |
780 | } elsif ($macro =~ /^(d_hires_stat)$/) { |
781 | my $d_hires_stat = 0; |
782 | $d_hires_stat = $1 if ($DEFINE =~ /-DTIME_HIRES_STAT=(\d+)/); |
783 | push @names, {name => $_, macro => "TIME_HIRES_STAT", value => $d_hires_stat, |
784 | default => ["IV", "0"]}; |
785 | next; |
672f6857 |
786 | } else { |
82cbdcc3 |
787 | $macro =~ s/^d_(.+)/HAS_\U$1/; |
672f6857 |
788 | } |
98b50af3 |
789 | push @names, {name => $_, macro => $macro, value => 1, |
790 | default => ["IV", "0"]}; |
791 | } |
792 | ExtUtils::Constant::WriteConstants( |
793 | NAME => 'Time::HiRes', |
794 | NAMES => \@names, |
795 | ); |
796 | } else { |
1fbb4de4 |
797 | my $file; |
798 | foreach $file ('const-c.inc', 'const-xs.inc') { |
98b50af3 |
799 | my $fallback = File::Spec->catfile('fallback', $file); |
800 | local $/; |
801 | open IN, "<$fallback" or die "Can't open $fallback: $!"; |
802 | open OUT, ">$file" or die "Can't open $file: $!"; |
803 | print OUT <IN> or die $!; |
804 | close OUT or die "Can't close $file: $!"; |
805 | close IN or die "Can't close $fallback: $!"; |
806 | } |
807 | } |
808 | } |
3f2ee006 |
809 | |
98b50af3 |
810 | sub main { |
811 | print "Configuring Time::HiRes...\n"; |
1fbb4de4 |
812 | if ($] == 5.007002) { |
813 | die "Cannot Configure Time::HiRes for Perl $], aborting.\n"; |
814 | } |
3f2ee006 |
815 | |
816 | if ($^O =~ /Win32/i) { |
817 | $DEFINE = '-DSELECT_IS_BROKEN'; |
046e3f33 |
818 | $LIBS = []; |
a5929ff3 |
819 | print "System is $^O, skipping full configure...\n"; |
3f2ee006 |
820 | } else { |
046e3f33 |
821 | init(); |
3f2ee006 |
822 | } |
3f2ee006 |
823 | doMakefile; |
98b50af3 |
824 | doConstants; |
3f2ee006 |
825 | my $make = $Config{'make'} || "make"; |
1fbb4de4 |
826 | unless (exists $ENV{PERL_CORE} && $ENV{PERL_CORE}) { |
3f2ee006 |
827 | print <<EOM; |
3f2ee006 |
828 | Now you may issue '$make'. Do not forget also '$make test'. |
dfffa540 |
829 | EOM |
1fbb4de4 |
830 | if ((exists $ENV{LC_ALL} && $ENV{LC_ALL} =~ /utf-?8/i) || |
831 | (exists $ENV{LC_CTYPE} && $ENV{LC_CTYPE} =~ /utf-?8/i) || |
832 | (exists $ENV{LANG} && $ENV{LANG} =~ /utf-?8/i)) { |
dfffa540 |
833 | print <<EOM; |
ced84e60 |
834 | NOTE: if you get an error like this (the Makefile line number may vary): |
d7358e6a |
835 | Makefile:91: *** missing separator |
1caec985 |
836 | then set the environment variable LC_ALL to "C" and retry |
837 | from scratch (re-run perl "Makefile.PL"). |
3f2ee006 |
838 | EOM |
dfffa540 |
839 | } |
3f2ee006 |
840 | } |
841 | } |
842 | |
843 | &main; |
dcf686c9 |
844 | |
3f2ee006 |
845 | # EOF |