use vars qw($self); # Used in 'sourcing' the hints.
+# TBD: Can we just use $Config(exe_ext) here instead of this complex
+# expression?
my $ld_exeext = ($^O eq 'cygwin' ||
- $^O eq 'os2' && $Config{ldflags} =~ /-Zexe\b/) ? '.exe' : '';
+ $^O eq 'os2' && $Config{ldflags} =~ /-Zexe\b/) ? '.exe' :
+ (($^O eq 'vos') ? $Config{exe_ext} : '');
unless($ENV{PERL_CORE}) {
$ENV{PERL_CORE} = 1 if grep { $_ eq 'PERL_CORE=1' } @ARGV;
$COREincdir = File::Spec->catdir($Config{'archlibexp'}, 'CORE');
}
+ if ($ENV{PERL_CORE}) {
+ unless (-f File::Spec->catfile($COREincdir, "EXTERN.h")) {
+ die <<__EOD__;
+Your environment variable PERL_CORE is '$ENV{PERL_CORE}' but there
+is no EXTERN.h in $COREincdir.
+Cannot continue, aborting.
+__EOD__
+ }
+ }
+
my $ccflags = $Config{'ccflags'} . ' ' . "-I$COREincdir";
if ($^O eq 'VMS') {
return $ok;
}
-sub has_gettimeofday {
- # confusing but true (if condition true ==> -DHAS_GETTIMEOFDAY already)
- return 0 if $Config{d_gettimeod};
- return 1 if try_compile_and_link(<<EOM);
+my $TIME_HEADERS = <<EOH;
#include "EXTERN.h"
#include "perl.h"
#include "XSUB.h"
#ifdef I_SYS_TYPES
# include <sys/types.h>
#endif
-
#ifdef I_SYS_TIME
# include <sys/time.h>
#endif
-
#ifdef I_SYS_SELECT
# include <sys/select.h> /* struct timeval might be hidden in here */
#endif
+EOH
+
+sub has_gettimeofday {
+ # confusing but true (if condition true ==> -DHAS_GETTIMEOFDAY already)
+ return 0 if $Config{d_gettimeod};
+ return 1 if try_compile_and_link(<<EOM);
+$TIME_HEADERS
static int foo()
{
struct timeval tv;
gettimeofday(&tv, 0);
}
-int main _((int argc, char** argv, char** env))
+int main(int argc, char** argv)
{
foo();
}
# include <sys/time.h>
#endif
-int main _((int argc, char** argv, char** env))
+int main(int argc, char** argv)
{
$x;
}
/* int nanosleep(const struct timespec *rqtp, struct timespec *rmtp); */
-int main() {
+int main(int argc, char** argv) {
struct timespec ts1, ts2;
int ret;
ts1.tv_sec = 0;
#include "XSUB.h"
#include <$inc>
-int main _((int argc, char** argv, char** env))
+int main(int argc, char** argv)
{
return 0;
}
return 0;
}
-sub has_clock_x_syscall {
+sub has_clock_xxx_syscall {
my $x = shift;
return 0 unless defined $SYSCALL_H;
return 1 if
#include "perl.h"
#include "XSUB.h"
#include <$SYSCALL_H>
-int main _((int argc, char** argv, char** env))
+int main(int argc, char** argv)
{
struct timespec ts;
/* Many Linuxes get ENOSYS even though the syscall exists. */
EOM
}
-sub has_clock_x {
- my $x = shift;
+sub has_clock_xxx {
+ my $xxx = shift;
return 1 if
try_compile_and_link(<<EOM, run => 1);
#include "EXTERN.h"
#include "perl.h"
#include "XSUB.h"
-int main _((int argc, char** argv, char** env))
+int main(int argc, char** argv)
{
struct timespec ts;
- int ret = clock_$x(CLOCK_REALTIME, &ts); /* Many Linuxes get ENOSYS. */
+ int ret = clock_$xxx(CLOCK_REALTIME, &ts); /* Many Linuxes get ENOSYS. */
/* All implementations are supposed to support CLOCK_REALTIME. */
ret == 0 ? exit(0) : exit(errno ? errno : -1);
}
EOM
}
+sub has_clock {
+ return 1 if
+ try_compile_and_link(<<EOM, run => 1);
+#include "EXTERN.h"
+#include "perl.h"
+#include "XSUB.h"
+int main(int argc, char** argv)
+{
+ clock_t tictoc;
+ clock_t ret = clock();
+ ret == (clock_t)-1 ? exit(errno ? errno : -1) : exit(0);
+}
+EOM
+}
+
+sub has_clock_nanosleep {
+ return 1 if
+ try_compile_and_link(<<EOM, run => 1);
+#include "EXTERN.h"
+#include "perl.h"
+#include "XSUB.h"
+#include <time.h>
+int main(int argc, char** argv)
+{
+ int ret;
+ struct timespec ts1;
+ struct timespec ts2;
+ ts1.tv_sec = 0;
+ ts1.tv_nsec = 750000000;;
+ ret = clock_nanosleep(CLOCK_MONOTONIC, 0, &ts1, &ts2);
+ ret == 0 ? exit(0) : exit(errno ? errno : -1);
+}
+EOM
+}
+
+sub DEFINE {
+ my ($def, $val) = @_;
+ my $define = defined $val ? "$def=$val" : $def ;
+ unless ($DEFINE =~ /(?:^| )-D\Q$define\E(?: |$)/) {
+ $DEFINE .= " -D$define";
+ }
+}
+
sub init {
my $hints = File::Spec->catfile("hints", "$^O.pl");
if (-f $hints) {
my $has_clock_gettime;
if (exists $Config{d_clock_gettime}) {
$has_clock_gettime++ if $Config{d_clock_gettime}; # Unlikely...
- } elsif (has_clock_x('gettime')) {
+ } elsif (has_clock_xxx('gettime')) {
$has_clock_gettime++;
$DEFINE .= ' -DTIME_HIRES_CLOCK_GETTIME';
- } elsif (defined $SYSCALL_H && has_clock_x_syscall('gettime')) {
+ } elsif (defined $SYSCALL_H && has_clock_xxx_syscall('gettime')) {
$has_clock_gettime++;
$DEFINE .= ' -DTIME_HIRES_CLOCK_GETTIME -DTIME_HIRES_CLOCK_GETTIME_SYSCALL';
}
my $has_clock_getres;
if (exists $Config{d_clock_getres}) {
$has_clock_getres++ if $Config{d_clock_getres}; # Unlikely...
- } elsif (has_clock_x('getres')) {
+ } elsif (has_clock_xxx('getres')) {
$has_clock_getres++;
$DEFINE .= ' -DTIME_HIRES_CLOCK_GETRES';
- } elsif (defined $SYSCALL_H && has_clock_x_syscall('getres')) {
+ } elsif (defined $SYSCALL_H && has_clock_xxx_syscall('getres')) {
$has_clock_getres++;
$DEFINE .= ' -DTIME_HIRES_CLOCK_GETRES -DTIME_HIRES_CLOCK_GETRES_SYSCALL';
}
print "NOT found.\n";
}
+ print "Looking for clock_nanosleep()... ";
+ my $has_clock_nanosleep;
+ if (exists $Config{d_clock_nanosleep}) {
+ $has_clock_nanosleep++ if $Config{d_clock_nanosleep}; # Unlikely...
+ } elsif (has_clock_nanosleep()) {
+ $has_clock_nanosleep++;
+ $DEFINE .= ' -DTIME_HIRES_CLOCK_NANOSLEEP';
+ }
+
+ if ($has_clock_nanosleep) {
+ print "found.\n";
+ } else {
+ print "NOT found.\n";
+ }
+
+ print "Looking for clock()... ";
+ my $has_clock;
+ if (exists $Config{d_clock}) {
+ $has_clock++ if $Config{d_clock}; # Unlikely...
+ } elsif (has_clock()) {
+ $has_clock++;
+ $DEFINE .= ' -DTIME_HIRES_CLOCK';
+ }
+
+ if ($has_clock) {
+ print "found.\n";
+ } else {
+ print "NOT found.\n";
+ }
+
+ print "Looking for stat() subsecond timestamps...\n";
+
+ print "Trying struct stat st_atimespec.tv_nsec...";
+ my $has_stat_st_xtimespec;
+ if (try_compile_and_link(<<EOM)) {
+$TIME_HEADERS
+#include <sys/stat.h>
+int main(int argc, char** argv) {
+ struct stat st;
+ st.st_atimespec.tv_nsec = 0;
+}
+EOM
+ $has_stat_st_xtimespec++;
+ DEFINE('TIME_HIRES_STAT', 1);
+ }
+
+ if ($has_stat_st_xtimespec) {
+ print "found.\n";
+ } else {
+ print "NOT found.\n";
+ }
+
+ print "Trying struct stat st_atimensec...";
+ my $has_stat_st_xtimensec;
+ if (try_compile_and_link(<<EOM)) {
+$TIME_HEADERS
+#include <sys/stat.h>
+int main(int argc, char** argv) {
+ struct stat st;
+ st.st_atimensec = 0;
+}
+EOM
+ $has_stat_st_xtimensec++;
+ DEFINE('TIME_HIRES_STAT', 2);
+ }
+
+ if ($has_stat_st_xtimensec) {
+ print "found.\n";
+ } else {
+ print "NOT found.\n";
+ }
+
+ print "Trying struct stat st_atime_n...";
+ my $has_stat_st_xtime_n;
+ if (try_compile_and_link(<<EOM)) {
+$TIME_HEADERS
+#include <sys/stat.h>
+int main(int argc, char** argv) {
+ struct stat st;
+ st.st_atime_n = 0;
+}
+EOM
+ $has_stat_st_xtime_n++;
+ DEFINE('TIME_HIRES_STAT', 3);
+ }
+
+ if ($has_stat_st_xtime_n) {
+ print "found.\n";
+ } else {
+ print "NOT found.\n";
+ }
+
+ print "Trying struct stat st_atim.tv_nsec...";
+ my $has_stat_st_xtim;
+ if (try_compile_and_link(<<EOM)) {
+$TIME_HEADERS
+#include <sys/stat.h>
+int main(int argc, char** argv) {
+ struct stat st;
+ st.st_atim.tv_nsec = 0;
+}
+EOM
+ $has_stat_st_xtim++;
+ DEFINE('TIME_HIRES_STAT', 4);
+ }
+
+ if ($has_stat_st_xtim) {
+ print "found.\n";
+ } else {
+ print "NOT found.\n";
+ }
+
+ print "Trying struct stat st_uatime...";
+ my $has_stat_st_uxtime;
+ if (try_compile_and_link(<<EOM)) {
+$TIME_HEADERS
+#include <sys/stat.h>
+int main(int argc, char** argv) {
+ struct stat st;
+ st.st_uatime = 0;
+}
+EOM
+ $has_stat_st_uxtime++;
+ DEFINE('TIME_HIRES_STAT', 5);
+ }
+
+ if ($has_stat_st_uxtime) {
+ print "found.\n";
+ } else {
+ print "NOT found.\n";
+ }
+
+ if ($DEFINE =~ /-DTIME_HIRES_STAT=\d+/) {
+ print "You seem to have stat() subsecond timestamps.\n";
+ print "(Your struct stat has them, but the filesystems must help.)\n";
+ } else {
+ print "You do not seem to have stat subsecond timestamps.\n";
+ }
+
my $has_w32api_windows_h;
+
if ($^O eq 'cygwin') {
print "Looking for <w32api/windows.h>... ";
if (has_include('w32api/windows.h')) {
$has_w32api_windows_h++;
- $DEFINE .= ' -DHAS_W32API_WINDOWS_H';
+ DEFINE('HAS_W32API_WINDOWS_H');
}
if ($has_w32api_windows_h) {
print "found.\n";
'AUTHOR' => 'Jarkko Hietaniemi <jhi@iki.fi>',
'ABSTRACT_FROM' => 'HiRes.pm',
);
- $DEFINE .= " -DATLEASTFIVEOHOHFIVE";
+ DEFINE('ATLEASTFIVEOHOHFIVE');
}
push (@makefileopts,
sub doConstants {
if (eval {require ExtUtils::Constant; 1}) {
- my @names = (qw(CLOCK_HIGHRES CLOCK_MONOTONIC
- CLOCK_PROCESS_CPUTIME_ID
- CLOCK_REALTIME
- CLOCK_THREAD_CPUTIME_ID
- CLOCK_TIMEOFDAY
- ITIMER_REAL ITIMER_VIRTUAL ITIMER_PROF
- ITIMER_REALPROF));
+ my @names = qw(CLOCK_HIGHRES CLOCK_MONOTONIC
+ CLOCK_PROCESS_CPUTIME_ID
+ CLOCK_REALTIME
+ CLOCK_SOFTTIME
+ CLOCK_THREAD_CPUTIME_ID
+ CLOCK_TIMEOFDAY
+ CLOCKS_PER_SEC
+ ITIMER_REAL ITIMER_VIRTUAL ITIMER_PROF
+ ITIMER_REALPROF
+ TIMER_ABSTIME);
foreach (qw (d_usleep d_ualarm d_gettimeofday d_getitimer d_setitimer
- d_nanosleep d_clock_gettime d_clock_getres)) {
+ d_nanosleep d_clock_gettime d_clock_getres
+ d_clock d_clock_nanosleep d_hires_stat)) {
my $macro = $_;
- if ($macro =~ /^(d_nanosleep|d_clock_gettime|d_clock_getres)$/) {
+ if ($macro =~ /^(d_nanosleep|d_clock_gettime|d_clock_getres|d_clock|d_clock_nanosleep)$/) {
$macro =~ s/^d_(.+)/TIME_HIRES_\U$1/;
+ } elsif ($macro =~ /^(d_hires_stat)$/) {
+ my $d_hires_stat = 0;
+ $d_hires_stat = $1 if ($DEFINE =~ /-DTIME_HIRES_STAT=(\d+)/);
+ push @names, {name => $_, macro => "TIME_HIRES_STAT", value => $d_hires_stat,
+ default => ["IV", "0"]};
+ next;
} else {
$macro =~ s/^d_(.+)/HAS_\U$1/;
}
}
sub main {
- print "Configuring Time::HiRes...\n";
- if ($] == 5.007002) {
- die "Cannot Configure Time::HiRes for Perl $], aborting.\n";
- }
-
- if ($^O =~ /Win32/i) {
- $DEFINE = '-DSELECT_IS_BROKEN';
- $LIBS = [];
- print "System is $^O, skipping full configure...\n";
+ if (-f "Makefile" and -f "xdefine" && !(@ARGV && $ARGV[0] eq '--configure')) {
+ print qq[$0: The "xdefine" exists, skipping the configure step.\n];
+ print qq[("$^X $0 --configure" to force the configure step)\n];
} else {
- init();
+ print "Configuring Time::HiRes...\n";
+ 1 while unlink("define");
+ if ($^O =~ /Win32/i) {
+ DEFINE('SELECT_IS_BROKEN');
+ $LIBS = [];
+ print "System is $^O, skipping full configure...\n";
+ open(XDEFINE, ">xdefine") or die "$0: Cannot create xdefine: $!\n";
+ close(XDEFINE);
+ } else {
+ init();
+ }
+ doMakefile;
+ doConstants;
}
- doMakefile;
- doConstants;
my $make = $Config{'make'} || "make";
unless (exists $ENV{PERL_CORE} && $ENV{PERL_CORE}) {
print <<EOM;
Now you may issue '$make'. Do not forget also '$make test'.
EOM
- if ((exists $ENV{LC_ALL} && $ENV{LC_ALL} =~ /utf-?8/i) ||
- (exists $ENV{LC_CTYPE} && $ENV{LC_CTYPE} =~ /utf-?8/i) ||
- (exists $ENV{LANG} && $ENV{LANG} =~ /utf-?8/i)) {
- print <<EOM;
+ if ($] == 5.008 &&
+ ((exists $ENV{LC_ALL} && $ENV{LC_ALL} =~ /utf-?8/i) ||
+ (exists $ENV{LC_CTYPE} && $ENV{LC_CTYPE} =~ /utf-?8/i) ||
+ (exists $ENV{LANG} && $ENV{LANG} =~ /utf-?8/i))) {
+ print <<EOM;
+
NOTE: if you get an error like this (the Makefile line number may vary):
Makefile:91: *** missing separator
then set the environment variable LC_ALL to "C" and retry
from scratch (re-run perl "Makefile.PL").
+(And consider upgrading your Perl to, say, at least Perl 5.8.8.)
+(You got this message because you seem to have
+ an UTF-8 locale active in your shell environment, this used
+ to cause broken Makefiles to be created from Makefile.PLs)
EOM
}
}