This is a live mirror of the Perl 5 development currently hosted at https://github.com/perl/perl5
Detypo.
[perl5.git] / ext / Time / HiRes / Makefile.PL
CommitLineData
3f2ee006 1
dcf686c9
JH
2# See lib/ExtUtils/MakeMaker.pm for details of how to influence
3# the contents of the Makefile that is written.
4#
5
3f2ee006
HS
6require 5.002;
7
8use Config;
dcf686c9
JH
9use ExtUtils::MakeMaker;
10
3f2ee006
HS
11# Perls 5.002 and 5.003 did not have File::Spec, fake what we need.
12
13my $VERBOSE = $ENV{VERBOSE};
14
15sub my_dirsep {
16 $^O eq 'VMS' ? '.' :
17 $^O =~ /mswin32|netware|djgpp/i ? '\\' :
18 $^O eq 'MacOS' ? ':'
19 : '/';
20}
21
22sub my_catdir {
23 shift;
24 my $catdir = join(my_dirsep, @_);
25 $^O eq 'VMS' ? "[$dirsep]" : $dirsep;
26}
27
28sub my_updir {
29 shift;
30 $^O eq 'VMS' ? "-" : "..";
31}
32
33BEGIN {
34 eval { require File::Spec };
35 if ($@) {
36 *File::Spec::catdir = \&my_catdir;
37 *File::Spec::updir = \&my_updir;
38 }
39}
40
41# if you have 5.004_03 (and some slightly older versions?), xsubpp
42# tries to generate line numbers in the C code generated from the .xs.
43# unfortunately, it is a little buggy around #ifdef'd code.
44# my choice is leave it in and have people with old perls complain
45# about the "Usage" bug, or leave it out and be unable to compile myself
46# without changing it, and then I'd always forget to change it before a
47# release. Sorry, Edward :)
48
49sub TMPDIR {
50 my $TMPDIR =
51 (grep(defined $_ && -d $_ && -w _,
52 ((defined $ENV{'TMPDIR'} ? $ENV{'TMPDIR'} : undef),
53 qw(/var/tmp /usr/tmp /tmp))))[0]
54 unless defined $TMPDIR;
55 $TMPDIR || die "Cannot find writable temporary directory.\n";
56}
57
58sub try_compile_and_link {
59 my ($c, %args) = @_;
60
61 my ($ok) = 0;
62 my ($tmp) = (($^O eq 'VMS') ? "sys\$scratch:tmp$$" : TMPDIR . '/' . "tmp$$");
63 local(*TMPC);
64
65 my $obj_ext = $Config{obj_ext} || ".o";
66 unlink("$tmp.c", "$tmp$obj_ext");
67
68 if (open(TMPC, ">$tmp.c")) {
69 print TMPC $c;
70 close(TMPC);
71
72 $cccmd = $args{cccmd};
73
74 my $errornull;
75
76 my $COREincdir;
77 if ($ENV{PERL_CORE}) {
78 my $updir = File::Spec->updir;
79 $COREincdir = File::Spec->catdir(($updir) x 3);
80 } else {
81 $COREincdir = File::Spec->catdir($Config{'archlibexp'}, 'CORE');
82 }
83 my $ccflags = $Config{'ccflags'} . ' ' . "-I$COREincdir";
84 if ($^O eq 'VMS') {
85 if ($ENV{PERL_CORE}) {
6a20eacc
HS
86 # Fragile if the extensions change hierachy within
87 # the Perl core but this should do for now.
88 $cccmd = "$Config{'cc'} /include=([---]) $tmp.c";
3f2ee006
HS
89 } else {
90 my $perl_core = $Config{'installarchlib'};
91 $perl_core =~ s/\]$/.CORE]/;
92 $cccmd = "$Config{'cc'} /include=(perl_root:[000000],$perl_core) $tmp.c";
93 }
94 }
95
96 if ($args{silent} || !$VERBOSE) {
97 $errornull = "2>/dev/null" unless defined $errornull;
98 } else {
99 $errornull = '';
100 }
101
102 $cccmd = "$Config{'cc'} -o $tmp $ccflags $tmp.c @$LIBS $errornull"
103 unless defined $cccmd;
104 if ($^O eq 'VMS') {
105 open( CMDFILE, ">$tmp.com" );
106 print CMDFILE "\$ SET MESSAGE/NOFACILITY/NOSEVERITY/NOIDENT/NOTEXT\n";
107 print CMDFILE "\$ $cccmd\n";
108 print CMDFILE "\$ IF \$SEVERITY .NE. 1 THEN EXIT 44\n"; # escalate
109 close CMDFILE;
110 system("\@ $tmp.com");
111 $ok = $?==0;
112 for ("$tmp.c", "$tmp$obj_ext", "$tmp.com", "$tmp$Config{exe_ext}") {
113 1 while unlink $_;
114 }
115 }
116 else
117 {
118 printf "cccmd = $cccmd\n" if $VERBOSE;
119 system($cccmd);
120 $ok = -s $tmp && -x _;
121 unlink("$tmp.c", $tmp);
122 }
123 }
124
125 $ok;
126}
127
128sub has_gettimeofday {
129 # confusing but true (if condition true ==> -DHAS_GETTIMEOFDAY already)
130 return 0 if $Config{'d_gettimeod'} eq 'define';
131 return 1 if try_compile_and_link(<<EOM);
132#include "EXTERN.h"
133#include "perl.h"
134#include "XSUB.h"
135#ifdef I_SYS_TYPES
136# include <sys/types.h>
137#endif
138
139#ifdef I_SYS_TIME
140# include <sys/time.h>
141#endif
142
143#ifdef I_SYS_SELECT
144# include <sys/select.h> /* struct timeval might be hidden in here */
145#endif
146static int foo()
147{
148 struct timeval tv;
149 gettimeofday(&tv, 0);
150}
151int main _((int argc, char** argv, char** env))
152{
153 foo();
154}
155EOM
156 return 0;
157}
158
159sub has_x {
160 my ($x, %args) = @_;
161
162 return 1 if
163 try_compile_and_link(<<EOM, %args);
164#include "EXTERN.h"
165#include "perl.h"
166#include "XSUB.h"
167
168#ifdef I_UNISTD
169# include <unistd.h>
170#endif
171
172#ifdef I_SYS_TYPES
173# include <sys/types.h>
174#endif
175
176#ifdef I_SYS_TIME
177# include <sys/time.h>
178#endif
179
180int main _((int argc, char** argv, char** env))
181{
182 $x;
183}
184EOM
185 return 0;
186}
187
188sub unixinit {
189 $DEFINE = '';
190
191 $LIBS = [];
192
193 # this might break the link, try it if it can't find some things you
194 # honestly think should be in there...
195 # $LIBS = ['-lucb -lbsd'];
196
197 # ... but ucb is poison for Solaris, and probably Linux. honest.
198 $LIBS = [] if $Config{'osname'} eq 'solaris';
199 $LIBS = [] if $Config{'osname'} eq 'linux';
200 $LIBS = ['-lm'] if $Config{'osname'} =~ /sco/i;
201 $LIBS = ['-lc'] if $Config{'osname'} =~ /dynixptx/i;
202
203 # For nanosleep
204 push @$LIBS, '-lrt' unless $Config{'osname'} =~ /irix/;
205 push @$LIBS, '-lposix4' ;
206
207 my @goodlibs;
208
209 select(STDOUT); $| = 1;
210
211 print "Checking for libraries...\n";
212 my $lib;
213 for $lib (@$LIBS) {
214 print "Checking for $lib...\n";
215 $LIBS = [ $lib ];
216 if ($Config{libs} =~ /\b$lib\b/ || has_x("time(0)")) {
217 push @goodlibs, $lib;
218 }
219 }
220 @$LIBS = @goodlibs;
221 print @$LIBS ?
222 "You have extra libraries: @$LIBS.\n" :
223 "You have no applicable extra libraries.\n";
224 print "\n";
225
226 print "Looking for gettimeofday()...\n";
227 my $has_gettimeofday;
228 if ($Config{'d_gettimeod'}) {
229 $has_gettimeofday++;
230 } elsif (has_gettimeofday()) {
231 $DEFINE .= ' -DHAS_GETTIMEOFDAY';
232 $has_gettimeofday++;
233 }
234
235 if ($has_gettimeofday) {
236 print "You have gettimeofday().\n\n";
237 } else {
238 die <<EOD
239Your operating system does not seem to have the gettimeofday() function.
240(or, at least, I cannot find it)
241
242There is no way Time::HiRes is going to work.
243
244I am awfully sorry but I cannot go further.
245
246Aborting configuration.
247
248EOD
249 }
250
251 print "Looking for setitimer()...\n";
252 my $has_setitimer;
253 if ($Config{d_setitimer}) {
254 $has_setitimer++;
255 } elsif (has_x("setitimer(ITIMER_REAL, 0, 0)")) {
256 $has_setitimer++;
257 $DEFINE .= ' -DHAS_SETITIMER';
258 }
259
260 if ($has_setitimer) {
261 print "You have setitimer().\n\n";
262 } else {
263 print "No setitimer().\n\n";
264 }
265
266 print "Looking for getitimer()...\n";
267 my $has_getitimer;
268 if ($Config{d_getitimer}) {
269 $has_getitimer++;
270 } elsif (has_x("getitimer(ITIMER_REAL, 0)")) {
271 $has_getitimer++;
272 $DEFINE .= ' -DHAS_GETITIMER';
273 }
274
275 if ($has_getitimer) {
276 print "You have getitimer().\n\n";
277 } else {
278 print "No getitimer().\n\n";
279 }
280
281 if ($has_setitimer && $has_getitimer) {
282 print "You have interval timers (both setitimer and setitimer).\n\n";
283 } else {
284 print "You do not have interval timers.\n\n";
285 }
286
287 print "Looking for ualarm()...\n";
288 my $has_ualarm;
289 if ($Config{d_ualarm}) {
290 $has_ualarm++;
291 } elsif (has_x ("ualarm (0, 0)")) {
292 $has_ualarm++;
293 $DEFINE .= ' -DHAS_UALARM';
294 }
295
296 if ($has_ualarm) {
297 print "You have ualarm().\n\n";
298 } else {
299 print "Whoops! No ualarm()!\n";
300 if ($setitimer) {
301 print "You have setitimer(); we can make a Time::HiRes::ualarm()\n\n";
302 } else {
303 print "We'll manage.\n\n";
304 }
305 }
306
307 print "Looking for usleep()...\n";
308 my $has_usleep;
309 if ($Config{d_usleep}) {
310 $has_usleep++;
311 } elsif (has_x ("usleep (0)")) {
312 $has_usleep++;
313 $DEFINE .= ' -DHAS_USLEEP';
314 }
315
316 if ($has_usleep) {
317 print "You have usleep().\n\n";
318 } else {
319 print "Whoops! No usleep()! Let's see if you have select().\n";
320 if ($Config{'d_select'} eq 'define') {
321 print "You have select(); we can make a Time::HiRes::usleep()\n\n";
322 } else {
323 print "No select(); you won't have a Time::HiRes::usleep()\n\n";
324 }
325 }
326
327 print "Looking for nanosleep()...\n";
328 my $has_nanosleep;
329 if ($Config{d_nanosleep}) {
330 $has_nanosleep++;
331 } elsif (has_x ("nanosleep (NULL, NULL)")) {
332 $has_nanosleep++;
333 $DEFINE .= ' -DHAS_NANOSLEEP';
334 }
335
336 if ($has_nanosleep) {
337 print "You have nanosleep(). You can mix subsecond sleeps with signals.\n\n";
338 } else {
339 print "Whoops! No nanosleep()! You cannot mix subsecond sleeps with signals.\n";
340 }
341
342 if ($DEFINE) {
343 $DEFINE =~ s/^\s+//;
344 if (open(XDEFINE, ">xdefine")) {
345 print XDEFINE $DEFINE, "\n";
346 close(XDEFINE);
347 }
348 }
349}
350
351sub doMakefile {
352 @makefileopts = ();
353
354 if ($] >= 5.005) {
355 push (@makefileopts,
356 'AUTHOR' => 'Jarkko Hietaniemi <jhi@iki.fi>',
357 'ABSTRACT_FROM' => 'HiRes.pm',
358 );
359 $DEFINE .= " -DATLEASTFIVEOHOHFIVE";
360 }
361
362 push (@makefileopts,
363 'NAME' => 'Time::HiRes',
364 'VERSION_FROM' => 'HiRes.pm', # finds $VERSION
365 'LIBS' => $LIBS, # e.g., '-lm'
366 'DEFINE' => $DEFINE, # e.g., '-DHAS_SOMETHING'
367 'XSOPT' => $XSOPT,
368 # do not even think about 'INC' => '-I/usr/ucbinclude', Solaris will avenge.
369 'INC' => '', # e.g., '-I/usr/include/other'
370 'INSTALLDIRS' => 'perl',
371 'dist' => {
372 'CI' => 'ci -l',
373 'COMPRESS' => 'gzip -9f',
374 'SUFFIX' => 'gz',
375 },
376 clean => { FILES => "xdefine" },
377 );
378
379 WriteMakefile(@makefileopts);
380}
381
382sub main {
383 print <<EOM;
384
385Configuring Time::HiRes...
386
387EOM
388
389 if ($^O =~ /Win32/i) {
390 $DEFINE = '-DSELECT_IS_BROKEN';
391 $LIBS = [''];
392 } else {
393 unixinit();
394 }
395 configure;
396 doMakefile;
397 my $make = $Config{'make'} || "make";
398 unless ($ENV{PERL_CORE}) {
399 print <<EOM;
400
401Done configuring.
402
403Now you may issue '$make'. Do not forget also '$make test'.
404
405EOM
406 }
407}
408
409&main;
dcf686c9 410
3f2ee006 411# EOF