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2 | # See lib/ExtUtils/MakeMaker.pm for details of how to influence |
3 | # the contents of the Makefile that is written. |
4 | # |
5 | |
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6 | require 5.002; |
7 | |
8 | use Config; |
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9 | use ExtUtils::MakeMaker; |
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10 | use strict; |
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11 | |
12 | my $VERBOSE = $ENV{VERBOSE}; |
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13 | my $DEFINE; |
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14 | my $LIBS = []; |
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15 | my $XSOPT; |
16 | |
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17 | use vars qw($self); # Used in 'sourcing' the hints. |
18 | |
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19 | my $ld_exeext = ($^O eq 'os2' and $Config{ldflags} =~ /-Zexe\b/) ? '.exe' : ''; |
20 | |
12724655 |
21 | unless($ENV{PERL_CORE}) { |
22 | $ENV{PERL_CORE} = 1 if grep { $_ eq 'PERL_CORE=1' } @ARGV; |
98b50af3 |
23 | } |
24 | |
25 | # Perls 5.002 and 5.003 did not have File::Spec, fake what we need. |
3f2ee006 |
26 | |
27 | sub my_dirsep { |
28 | $^O eq 'VMS' ? '.' : |
29 | $^O =~ /mswin32|netware|djgpp/i ? '\\' : |
30 | $^O eq 'MacOS' ? ':' |
31 | : '/'; |
32 | } |
33 | |
34 | sub my_catdir { |
35 | shift; |
36 | my $catdir = join(my_dirsep, @_); |
98b50af3 |
37 | $^O eq 'VMS' ? "[$catdir]" : $catdir; |
38 | } |
39 | |
40 | sub my_catfile { |
41 | shift; |
42 | return join(my_dirsep, @_) unless $^O eq 'VMS'; |
43 | my $file = pop; |
44 | return my_catdir (undef, @_) . $file; |
3f2ee006 |
45 | } |
46 | |
47 | sub my_updir { |
48 | shift; |
49 | $^O eq 'VMS' ? "-" : ".."; |
50 | } |
51 | |
52 | BEGIN { |
53 | eval { require File::Spec }; |
54 | if ($@) { |
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55 | *File::Spec::catdir = \&my_catdir; |
56 | *File::Spec::updir = \&my_updir; |
98b50af3 |
57 | *File::Spec::catfile = \&my_catfile; |
3f2ee006 |
58 | } |
59 | } |
60 | |
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61 | # Avoid 'used only once' warnings. |
62 | my $nop1 = *File::Spec::catdir; |
63 | my $nop2 = *File::Spec::updir; |
64 | my $nop3 = *File::Spec::catfile; |
65 | |
3f2ee006 |
66 | # if you have 5.004_03 (and some slightly older versions?), xsubpp |
67 | # tries to generate line numbers in the C code generated from the .xs. |
68 | # unfortunately, it is a little buggy around #ifdef'd code. |
69 | # my choice is leave it in and have people with old perls complain |
70 | # about the "Usage" bug, or leave it out and be unable to compile myself |
71 | # without changing it, and then I'd always forget to change it before a |
72 | # release. Sorry, Edward :) |
73 | |
74 | sub TMPDIR { |
75 | my $TMPDIR = |
76 | (grep(defined $_ && -d $_ && -w _, |
77 | ((defined $ENV{'TMPDIR'} ? $ENV{'TMPDIR'} : undef), |
a0c8e3cf |
78 | qw(/var/tmp /usr/tmp /tmp c:/temp))))[0]; |
3f2ee006 |
79 | $TMPDIR || die "Cannot find writable temporary directory.\n"; |
80 | } |
81 | |
82 | sub try_compile_and_link { |
83 | my ($c, %args) = @_; |
84 | |
85 | my ($ok) = 0; |
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86 | my ($tmp) = (($^O eq 'VMS') ? "sys\$scratch:tmp$$" : TMPDIR() . '/' . "tmp$$"); |
3f2ee006 |
87 | local(*TMPC); |
88 | |
89 | my $obj_ext = $Config{obj_ext} || ".o"; |
90 | unlink("$tmp.c", "$tmp$obj_ext"); |
91 | |
92 | if (open(TMPC, ">$tmp.c")) { |
93 | print TMPC $c; |
94 | close(TMPC); |
95 | |
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96 | my $cccmd = $args{cccmd}; |
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97 | |
98 | my $errornull; |
99 | |
100 | my $COREincdir; |
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101 | |
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102 | if ($ENV{PERL_CORE}) { |
103 | my $updir = File::Spec->updir; |
104 | $COREincdir = File::Spec->catdir(($updir) x 3); |
105 | } else { |
106 | $COREincdir = File::Spec->catdir($Config{'archlibexp'}, 'CORE'); |
107 | } |
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108 | |
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109 | my $ccflags = $Config{'ccflags'} . ' ' . "-I$COREincdir"; |
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110 | |
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111 | if ($^O eq 'VMS') { |
112 | if ($ENV{PERL_CORE}) { |
6a20eacc |
113 | # Fragile if the extensions change hierachy within |
114 | # the Perl core but this should do for now. |
115 | $cccmd = "$Config{'cc'} /include=([---]) $tmp.c"; |
3f2ee006 |
116 | } else { |
117 | my $perl_core = $Config{'installarchlib'}; |
118 | $perl_core =~ s/\]$/.CORE]/; |
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119 | $cccmd = "$Config{'cc'} /include=(perl_root:[000000],$perl_core) $tmp.c"; |
3f2ee006 |
120 | } |
121 | } |
122 | |
123 | if ($args{silent} || !$VERBOSE) { |
124 | $errornull = "2>/dev/null" unless defined $errornull; |
125 | } else { |
126 | $errornull = ''; |
127 | } |
128 | |
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129 | $cccmd = "$Config{'cc'} -o $tmp $ccflags $tmp.c @$LIBS $errornull" |
3f2ee006 |
130 | unless defined $cccmd; |
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131 | |
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132 | if ($^O eq 'VMS') { |
133 | open( CMDFILE, ">$tmp.com" ); |
134 | print CMDFILE "\$ SET MESSAGE/NOFACILITY/NOSEVERITY/NOIDENT/NOTEXT\n"; |
135 | print CMDFILE "\$ $cccmd\n"; |
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136 | print CMDFILE "\$ IF \$SEVERITY .NE. 1 THEN EXIT 44\n"; # escalate |
3f2ee006 |
137 | close CMDFILE; |
138 | system("\@ $tmp.com"); |
139 | $ok = $?==0; |
140 | for ("$tmp.c", "$tmp$obj_ext", "$tmp.com", "$tmp$Config{exe_ext}") { |
98b50af3 |
141 | 1 while unlink $_; |
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142 | } |
143 | } |
144 | else |
145 | { |
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146 | my $tmp_exe = "$tmp$ld_exeext"; |
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147 | printf "cccmd = $cccmd\n" if $VERBOSE; |
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148 | my $res = system($cccmd); |
149 | $ok = defined($res) && $res==0 && -s $tmp_exe && -x _; |
150 | unlink("$tmp.c", $tmp_exe); |
3f2ee006 |
151 | } |
152 | } |
153 | |
154 | $ok; |
155 | } |
156 | |
157 | sub has_gettimeofday { |
158 | # confusing but true (if condition true ==> -DHAS_GETTIMEOFDAY already) |
159 | return 0 if $Config{'d_gettimeod'} eq 'define'; |
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160 | return 1 if try_compile_and_link(<<EOM); |
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161 | #include "EXTERN.h" |
162 | #include "perl.h" |
163 | #include "XSUB.h" |
164 | #ifdef I_SYS_TYPES |
165 | # include <sys/types.h> |
166 | #endif |
167 | |
168 | #ifdef I_SYS_TIME |
169 | # include <sys/time.h> |
170 | #endif |
171 | |
172 | #ifdef I_SYS_SELECT |
173 | # include <sys/select.h> /* struct timeval might be hidden in here */ |
174 | #endif |
175 | static int foo() |
176 | { |
177 | struct timeval tv; |
178 | gettimeofday(&tv, 0); |
179 | } |
180 | int main _((int argc, char** argv, char** env)) |
181 | { |
182 | foo(); |
183 | } |
184 | EOM |
185 | return 0; |
186 | } |
187 | |
188 | sub has_x { |
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189 | my ($x, %args) = @_; |
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190 | |
191 | return 1 if |
192 | try_compile_and_link(<<EOM, %args); |
193 | #include "EXTERN.h" |
194 | #include "perl.h" |
195 | #include "XSUB.h" |
196 | |
197 | #ifdef I_UNISTD |
198 | # include <unistd.h> |
199 | #endif |
200 | |
201 | #ifdef I_SYS_TYPES |
202 | # include <sys/types.h> |
203 | #endif |
204 | |
205 | #ifdef I_SYS_TIME |
206 | # include <sys/time.h> |
207 | #endif |
208 | |
209 | int main _((int argc, char** argv, char** env)) |
210 | { |
211 | $x; |
212 | } |
213 | EOM |
214 | return 0; |
215 | } |
216 | |
046e3f33 |
217 | sub init { |
218 | my $hints = File::Spec->catfile("hints", "$^O.pl"); |
219 | if (-f $hints) { |
220 | print "Using hints $hints...\n"; |
221 | local $self; |
222 | do $hints; |
223 | if (exists $self->{LIBS}) { |
224 | $LIBS = $self->{LIBS}; |
225 | print "Extra libraries: @$LIBS...\n"; |
3f2ee006 |
226 | } |
227 | } |
046e3f33 |
228 | |
229 | $DEFINE = ''; |
3f2ee006 |
230 | |
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231 | print "Looking for gettimeofday()... "; |
3f2ee006 |
232 | my $has_gettimeofday; |
233 | if ($Config{'d_gettimeod'}) { |
234 | $has_gettimeofday++; |
235 | } elsif (has_gettimeofday()) { |
236 | $DEFINE .= ' -DHAS_GETTIMEOFDAY'; |
237 | $has_gettimeofday++; |
238 | } |
239 | |
240 | if ($has_gettimeofday) { |
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241 | print "found.\n"; |
3f2ee006 |
242 | } else { |
243 | die <<EOD |
244 | Your operating system does not seem to have the gettimeofday() function. |
245 | (or, at least, I cannot find it) |
246 | |
247 | There is no way Time::HiRes is going to work. |
248 | |
249 | I am awfully sorry but I cannot go further. |
250 | |
251 | Aborting configuration. |
252 | |
253 | EOD |
254 | } |
255 | |
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256 | print "Looking for setitimer()... "; |
3f2ee006 |
257 | my $has_setitimer; |
258 | if ($Config{d_setitimer}) { |
259 | $has_setitimer++; |
260 | } elsif (has_x("setitimer(ITIMER_REAL, 0, 0)")) { |
261 | $has_setitimer++; |
262 | $DEFINE .= ' -DHAS_SETITIMER'; |
263 | } |
264 | |
265 | if ($has_setitimer) { |
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266 | print "found.\n"; |
3f2ee006 |
267 | } else { |
98b50af3 |
268 | print "NOT found.\n"; |
3f2ee006 |
269 | } |
270 | |
98b50af3 |
271 | print "Looking for getitimer()... "; |
3f2ee006 |
272 | my $has_getitimer; |
273 | if ($Config{d_getitimer}) { |
274 | $has_getitimer++; |
275 | } elsif (has_x("getitimer(ITIMER_REAL, 0)")) { |
276 | $has_getitimer++; |
277 | $DEFINE .= ' -DHAS_GETITIMER'; |
278 | } |
279 | |
280 | if ($has_getitimer) { |
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281 | print "found.\n"; |
3f2ee006 |
282 | } else { |
98b50af3 |
283 | print "NOT found.\n"; |
3f2ee006 |
284 | } |
285 | |
286 | if ($has_setitimer && $has_getitimer) { |
98b50af3 |
287 | print "You have interval timers (both setitimer and setitimer).\n"; |
3f2ee006 |
288 | } else { |
98b50af3 |
289 | print "You do not have interval timers.\n"; |
3f2ee006 |
290 | } |
291 | |
98b50af3 |
292 | print "Looking for ualarm()... "; |
293 | my $has_ualarm; |
3f2ee006 |
294 | if ($Config{d_ualarm}) { |
295 | $has_ualarm++; |
296 | } elsif (has_x ("ualarm (0, 0)")) { |
297 | $has_ualarm++; |
298 | $DEFINE .= ' -DHAS_UALARM'; |
299 | } |
300 | |
301 | if ($has_ualarm) { |
98b50af3 |
302 | print "found.\n"; |
3f2ee006 |
303 | } else { |
98b50af3 |
304 | print "NOT found.\n"; |
305 | if ($has_setitimer) { |
306 | print "But you have setitimer().\n"; |
307 | print "We can make a Time::HiRes::ualarm().\n"; |
3f2ee006 |
308 | } |
309 | } |
310 | |
98b50af3 |
311 | print "Looking for usleep()... "; |
3f2ee006 |
312 | my $has_usleep; |
313 | if ($Config{d_usleep}) { |
314 | $has_usleep++; |
315 | } elsif (has_x ("usleep (0)")) { |
316 | $has_usleep++; |
317 | $DEFINE .= ' -DHAS_USLEEP'; |
318 | } |
319 | |
320 | if ($has_usleep) { |
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321 | print "found.\n"; |
3f2ee006 |
322 | } else { |
98b50af3 |
323 | print "NOT found.\n"; |
324 | print "Let's see if you have select()... "; |
3f2ee006 |
325 | if ($Config{'d_select'} eq 'define') { |
98b50af3 |
326 | print "found.\n"; |
327 | print "We can make a Time::HiRes::usleep().\n"; |
3f2ee006 |
328 | } else { |
98b50af3 |
329 | print "NOT found.\n"; |
330 | print "You won't have a Time::HiRes::usleep().\n"; |
3f2ee006 |
331 | } |
332 | } |
333 | |
98b50af3 |
334 | print "Looking for nanosleep()... "; |
3f2ee006 |
335 | my $has_nanosleep; |
336 | if ($Config{d_nanosleep}) { |
337 | $has_nanosleep++; |
046e3f33 |
338 | $DEFINE .= ' -DTIME_HIRES_NANOSLEEP'; |
3f2ee006 |
339 | } elsif (has_x ("nanosleep (NULL, NULL)")) { |
340 | $has_nanosleep++; |
046e3f33 |
341 | $DEFINE .= ' -DTIME_HIRES_NANOSLEEP'; |
3f2ee006 |
342 | } |
343 | |
344 | if ($has_nanosleep) { |
98b50af3 |
345 | print "found.\n"; |
346 | print "You can mix subsecond sleeps with signals.\n"; |
3f2ee006 |
347 | } else { |
98b50af3 |
348 | print "NOT found.\n"; |
622913ab |
349 | my $nt = ($^O eq 'os2' ? '' : 'not'); |
350 | print "You can$nt mix subsecond sleeps with signals.\n"; |
3f2ee006 |
351 | } |
352 | |
353 | if ($DEFINE) { |
354 | $DEFINE =~ s/^\s+//; |
355 | if (open(XDEFINE, ">xdefine")) { |
356 | print XDEFINE $DEFINE, "\n"; |
357 | close(XDEFINE); |
358 | } |
359 | } |
360 | } |
361 | |
362 | sub doMakefile { |
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363 | my @makefileopts = (); |
3f2ee006 |
364 | |
365 | if ($] >= 5.005) { |
366 | push (@makefileopts, |
367 | 'AUTHOR' => 'Jarkko Hietaniemi <jhi@iki.fi>', |
368 | 'ABSTRACT_FROM' => 'HiRes.pm', |
369 | ); |
370 | $DEFINE .= " -DATLEASTFIVEOHOHFIVE"; |
371 | } |
372 | |
373 | push (@makefileopts, |
374 | 'NAME' => 'Time::HiRes', |
375 | 'VERSION_FROM' => 'HiRes.pm', # finds $VERSION |
376 | 'LIBS' => $LIBS, # e.g., '-lm' |
377 | 'DEFINE' => $DEFINE, # e.g., '-DHAS_SOMETHING' |
378 | 'XSOPT' => $XSOPT, |
379 | # do not even think about 'INC' => '-I/usr/ucbinclude', Solaris will avenge. |
380 | 'INC' => '', # e.g., '-I/usr/include/other' |
381 | 'INSTALLDIRS' => 'perl', |
382 | 'dist' => { |
383 | 'CI' => 'ci -l', |
384 | 'COMPRESS' => 'gzip -9f', |
385 | 'SUFFIX' => 'gz', |
386 | }, |
387 | clean => { FILES => "xdefine" }, |
98b50af3 |
388 | realclean => {FILES=> 'const-c.inc const-xs.inc'}, |
3f2ee006 |
389 | ); |
390 | |
9ac5eb64 |
391 | if ($ENV{PERL_CORE}) { |
392 | push @makefileopts, MAN3PODS => {}; |
393 | } |
394 | |
3f2ee006 |
395 | WriteMakefile(@makefileopts); |
396 | } |
397 | |
98b50af3 |
398 | sub doConstants { |
399 | if (eval {require ExtUtils::Constant; 1}) { |
400 | my @names = (qw(ITIMER_REAL ITIMER_VIRTUAL ITIMER_PROF |
401 | ITIMER_REALPROF)); |
402 | foreach (qw (d_usleep d_ualarm d_gettimeofday d_getitimer d_setitimer |
403 | d_nanosleep)) { |
404 | my $macro = $_; |
405 | $macro =~ s/d_(.*)/HAS_\U$1/; |
406 | push @names, {name => $_, macro => $macro, value => 1, |
407 | default => ["IV", "0"]}; |
408 | } |
409 | ExtUtils::Constant::WriteConstants( |
410 | NAME => 'Time::HiRes', |
411 | NAMES => \@names, |
412 | ); |
413 | } else { |
414 | foreach my $file ('const-c.inc', 'const-xs.inc') { |
415 | my $fallback = File::Spec->catfile('fallback', $file); |
416 | local $/; |
417 | open IN, "<$fallback" or die "Can't open $fallback: $!"; |
418 | open OUT, ">$file" or die "Can't open $file: $!"; |
419 | print OUT <IN> or die $!; |
420 | close OUT or die "Can't close $file: $!"; |
421 | close IN or die "Can't close $fallback: $!"; |
422 | } |
423 | } |
424 | } |
3f2ee006 |
425 | |
98b50af3 |
426 | sub main { |
427 | print "Configuring Time::HiRes...\n"; |
3f2ee006 |
428 | |
429 | if ($^O =~ /Win32/i) { |
430 | $DEFINE = '-DSELECT_IS_BROKEN'; |
046e3f33 |
431 | $LIBS = []; |
3f2ee006 |
432 | } else { |
046e3f33 |
433 | init(); |
3f2ee006 |
434 | } |
3f2ee006 |
435 | doMakefile; |
98b50af3 |
436 | doConstants; |
3f2ee006 |
437 | my $make = $Config{'make'} || "make"; |
438 | unless ($ENV{PERL_CORE}) { |
439 | print <<EOM; |
3f2ee006 |
440 | Now you may issue '$make'. Do not forget also '$make test'. |
3f2ee006 |
441 | EOM |
442 | } |
443 | } |
444 | |
445 | &main; |
dcf686c9 |
446 | |
3f2ee006 |
447 | # EOF |