+
# See lib/ExtUtils/MakeMaker.pm for details of how to influence
# the contents of the Makefile that is written.
#
-use strict;
+require 5.002;
+
+use Config;
use ExtUtils::MakeMaker;
-WriteMakefile(
- 'NAME' => 'Time::HiRes',
- MAN3PODS => {}, # Pods will be built by installman.
- 'VERSION_FROM' => 'HiRes.pm',
-);
+# Perls 5.002 and 5.003 did not have File::Spec, fake what we need.
+
+my $VERBOSE = $ENV{VERBOSE};
+
+sub my_dirsep {
+ $^O eq 'VMS' ? '.' :
+ $^O =~ /mswin32|netware|djgpp/i ? '\\' :
+ $^O eq 'MacOS' ? ':'
+ : '/';
+}
+
+sub my_catdir {
+ shift;
+ my $catdir = join(my_dirsep, @_);
+ $^O eq 'VMS' ? "[$dirsep]" : $dirsep;
+}
+
+sub my_updir {
+ shift;
+ $^O eq 'VMS' ? "-" : "..";
+}
+
+BEGIN {
+ eval { require File::Spec };
+ if ($@) {
+ *File::Spec::catdir = \&my_catdir;
+ *File::Spec::updir = \&my_updir;
+ }
+}
+
+# if you have 5.004_03 (and some slightly older versions?), xsubpp
+# tries to generate line numbers in the C code generated from the .xs.
+# unfortunately, it is a little buggy around #ifdef'd code.
+# my choice is leave it in and have people with old perls complain
+# about the "Usage" bug, or leave it out and be unable to compile myself
+# without changing it, and then I'd always forget to change it before a
+# release. Sorry, Edward :)
+
+sub TMPDIR {
+ my $TMPDIR =
+ (grep(defined $_ && -d $_ && -w _,
+ ((defined $ENV{'TMPDIR'} ? $ENV{'TMPDIR'} : undef),
+ qw(/var/tmp /usr/tmp /tmp))))[0]
+ unless defined $TMPDIR;
+ $TMPDIR || die "Cannot find writable temporary directory.\n";
+}
+
+sub try_compile_and_link {
+ my ($c, %args) = @_;
+
+ my ($ok) = 0;
+ my ($tmp) = (($^O eq 'VMS') ? "sys\$scratch:tmp$$" : TMPDIR . '/' . "tmp$$");
+ local(*TMPC);
+
+ my $obj_ext = $Config{obj_ext} || ".o";
+ unlink("$tmp.c", "$tmp$obj_ext");
+
+ if (open(TMPC, ">$tmp.c")) {
+ print TMPC $c;
+ close(TMPC);
+
+ $cccmd = $args{cccmd};
+
+ my $errornull;
+
+ my $COREincdir;
+ if ($ENV{PERL_CORE}) {
+ my $updir = File::Spec->updir;
+ $COREincdir = File::Spec->catdir(($updir) x 3);
+ } else {
+ $COREincdir = File::Spec->catdir($Config{'archlibexp'}, 'CORE');
+ }
+ my $ccflags = $Config{'ccflags'} . ' ' . "-I$COREincdir";
+ if ($^O eq 'VMS') {
+ if ($ENV{PERL_CORE}) {
+ $cccmd = "$Config{'cc'} /include=(perl_root:[000000]) $tmp.c";
+ } else {
+ my $perl_core = $Config{'installarchlib'};
+ $perl_core =~ s/\]$/.CORE]/;
+ $cccmd = "$Config{'cc'} /include=(perl_root:[000000],$perl_core) $tmp.c";
+ }
+ }
+
+ if ($args{silent} || !$VERBOSE) {
+ $errornull = "2>/dev/null" unless defined $errornull;
+ } else {
+ $errornull = '';
+ }
+
+ $cccmd = "$Config{'cc'} -o $tmp $ccflags $tmp.c @$LIBS $errornull"
+ unless defined $cccmd;
+ if ($^O eq 'VMS') {
+ open( CMDFILE, ">$tmp.com" );
+ print CMDFILE "\$ SET MESSAGE/NOFACILITY/NOSEVERITY/NOIDENT/NOTEXT\n";
+ print CMDFILE "\$ $cccmd\n";
+ print CMDFILE "\$ IF \$SEVERITY .NE. 1 THEN EXIT 44\n"; # escalate
+ close CMDFILE;
+ system("\@ $tmp.com");
+ $ok = $?==0;
+ for ("$tmp.c", "$tmp$obj_ext", "$tmp.com", "$tmp$Config{exe_ext}") {
+ 1 while unlink $_;
+ }
+ }
+ else
+ {
+ printf "cccmd = $cccmd\n" if $VERBOSE;
+ system($cccmd);
+ $ok = -s $tmp && -x _;
+ unlink("$tmp.c", $tmp);
+ }
+ }
+
+ $ok;
+}
+
+sub has_gettimeofday {
+ # confusing but true (if condition true ==> -DHAS_GETTIMEOFDAY already)
+ return 0 if $Config{'d_gettimeod'} eq 'define';
+ return 1 if try_compile_and_link(<<EOM);
+#include "EXTERN.h"
+#include "perl.h"
+#include "XSUB.h"
+#ifdef I_SYS_TYPES
+# include <sys/types.h>
+#endif
+
+#ifdef I_SYS_TIME
+# include <sys/time.h>
+#endif
+
+#ifdef I_SYS_SELECT
+# include <sys/select.h> /* struct timeval might be hidden in here */
+#endif
+static int foo()
+{
+ struct timeval tv;
+ gettimeofday(&tv, 0);
+}
+int main _((int argc, char** argv, char** env))
+{
+ foo();
+}
+EOM
+ return 0;
+}
+
+sub has_x {
+ my ($x, %args) = @_;
+
+ return 1 if
+ try_compile_and_link(<<EOM, %args);
+#include "EXTERN.h"
+#include "perl.h"
+#include "XSUB.h"
+
+#ifdef I_UNISTD
+# include <unistd.h>
+#endif
+
+#ifdef I_SYS_TYPES
+# include <sys/types.h>
+#endif
+
+#ifdef I_SYS_TIME
+# include <sys/time.h>
+#endif
+
+int main _((int argc, char** argv, char** env))
+{
+ $x;
+}
+EOM
+ return 0;
+}
+
+sub unixinit {
+ $DEFINE = '';
+
+ $LIBS = [];
+
+ # this might break the link, try it if it can't find some things you
+ # honestly think should be in there...
+ # $LIBS = ['-lucb -lbsd'];
+
+ # ... but ucb is poison for Solaris, and probably Linux. honest.
+ $LIBS = [] if $Config{'osname'} eq 'solaris';
+ $LIBS = [] if $Config{'osname'} eq 'linux';
+ $LIBS = ['-lm'] if $Config{'osname'} =~ /sco/i;
+ $LIBS = ['-lc'] if $Config{'osname'} =~ /dynixptx/i;
+
+ # For nanosleep
+ push @$LIBS, '-lrt' unless $Config{'osname'} =~ /irix/;
+ push @$LIBS, '-lposix4' ;
+
+ my @goodlibs;
+
+ select(STDOUT); $| = 1;
+
+ print "Checking for libraries...\n";
+ my $lib;
+ for $lib (@$LIBS) {
+ print "Checking for $lib...\n";
+ $LIBS = [ $lib ];
+ if ($Config{libs} =~ /\b$lib\b/ || has_x("time(0)")) {
+ push @goodlibs, $lib;
+ }
+ }
+ @$LIBS = @goodlibs;
+ print @$LIBS ?
+ "You have extra libraries: @$LIBS.\n" :
+ "You have no applicable extra libraries.\n";
+ print "\n";
+
+ print "Looking for gettimeofday()...\n";
+ my $has_gettimeofday;
+ if ($Config{'d_gettimeod'}) {
+ $has_gettimeofday++;
+ } elsif (has_gettimeofday()) {
+ $DEFINE .= ' -DHAS_GETTIMEOFDAY';
+ $has_gettimeofday++;
+ }
+
+ if ($has_gettimeofday) {
+ print "You have gettimeofday().\n\n";
+ } else {
+ die <<EOD
+Your operating system does not seem to have the gettimeofday() function.
+(or, at least, I cannot find it)
+
+There is no way Time::HiRes is going to work.
+
+I am awfully sorry but I cannot go further.
+
+Aborting configuration.
+
+EOD
+ }
+
+ print "Looking for setitimer()...\n";
+ my $has_setitimer;
+ if ($Config{d_setitimer}) {
+ $has_setitimer++;
+ } elsif (has_x("setitimer(ITIMER_REAL, 0, 0)")) {
+ $has_setitimer++;
+ $DEFINE .= ' -DHAS_SETITIMER';
+ }
+
+ if ($has_setitimer) {
+ print "You have setitimer().\n\n";
+ } else {
+ print "No setitimer().\n\n";
+ }
+
+ print "Looking for getitimer()...\n";
+ my $has_getitimer;
+ if ($Config{d_getitimer}) {
+ $has_getitimer++;
+ } elsif (has_x("getitimer(ITIMER_REAL, 0)")) {
+ $has_getitimer++;
+ $DEFINE .= ' -DHAS_GETITIMER';
+ }
+
+ if ($has_getitimer) {
+ print "You have getitimer().\n\n";
+ } else {
+ print "No getitimer().\n\n";
+ }
+
+ if ($has_setitimer && $has_getitimer) {
+ print "You have interval timers (both setitimer and setitimer).\n\n";
+ } else {
+ print "You do not have interval timers.\n\n";
+ }
+
+ print "Looking for ualarm()...\n";
+ my $has_ualarm;
+ if ($Config{d_ualarm}) {
+ $has_ualarm++;
+ } elsif (has_x ("ualarm (0, 0)")) {
+ $has_ualarm++;
+ $DEFINE .= ' -DHAS_UALARM';
+ }
+
+ if ($has_ualarm) {
+ print "You have ualarm().\n\n";
+ } else {
+ print "Whoops! No ualarm()!\n";
+ if ($setitimer) {
+ print "You have setitimer(); we can make a Time::HiRes::ualarm()\n\n";
+ } else {
+ print "We'll manage.\n\n";
+ }
+ }
+
+ print "Looking for usleep()...\n";
+ my $has_usleep;
+ if ($Config{d_usleep}) {
+ $has_usleep++;
+ } elsif (has_x ("usleep (0)")) {
+ $has_usleep++;
+ $DEFINE .= ' -DHAS_USLEEP';
+ }
+
+ if ($has_usleep) {
+ print "You have usleep().\n\n";
+ } else {
+ print "Whoops! No usleep()! Let's see if you have select().\n";
+ if ($Config{'d_select'} eq 'define') {
+ print "You have select(); we can make a Time::HiRes::usleep()\n\n";
+ } else {
+ print "No select(); you won't have a Time::HiRes::usleep()\n\n";
+ }
+ }
+
+ print "Looking for nanosleep()...\n";
+ my $has_nanosleep;
+ if ($Config{d_nanosleep}) {
+ $has_nanosleep++;
+ } elsif (has_x ("nanosleep (NULL, NULL)")) {
+ $has_nanosleep++;
+ $DEFINE .= ' -DHAS_NANOSLEEP';
+ }
+
+ if ($has_nanosleep) {
+ print "You have nanosleep(). You can mix subsecond sleeps with signals.\n\n";
+ } else {
+ print "Whoops! No nanosleep()! You cannot mix subsecond sleeps with signals.\n";
+ }
+
+ if ($DEFINE) {
+ $DEFINE =~ s/^\s+//;
+ if (open(XDEFINE, ">xdefine")) {
+ print XDEFINE $DEFINE, "\n";
+ close(XDEFINE);
+ }
+ }
+}
+
+sub doMakefile {
+ @makefileopts = ();
+
+ if ($] >= 5.005) {
+ push (@makefileopts,
+ 'AUTHOR' => 'Jarkko Hietaniemi <jhi@iki.fi>',
+ 'ABSTRACT_FROM' => 'HiRes.pm',
+ );
+ $DEFINE .= " -DATLEASTFIVEOHOHFIVE";
+ }
+
+ push (@makefileopts,
+ 'NAME' => 'Time::HiRes',
+ 'VERSION_FROM' => 'HiRes.pm', # finds $VERSION
+ 'LIBS' => $LIBS, # e.g., '-lm'
+ 'DEFINE' => $DEFINE, # e.g., '-DHAS_SOMETHING'
+ 'XSOPT' => $XSOPT,
+ # do not even think about 'INC' => '-I/usr/ucbinclude', Solaris will avenge.
+ 'INC' => '', # e.g., '-I/usr/include/other'
+ 'INSTALLDIRS' => 'perl',
+ 'dist' => {
+ 'CI' => 'ci -l',
+ 'COMPRESS' => 'gzip -9f',
+ 'SUFFIX' => 'gz',
+ },
+ clean => { FILES => "xdefine" },
+ );
+
+ WriteMakefile(@makefileopts);
+}
+
+sub main {
+ print <<EOM;
+
+Configuring Time::HiRes...
+
+EOM
+
+ if ($^O =~ /Win32/i) {
+ $DEFINE = '-DSELECT_IS_BROKEN';
+ $LIBS = [''];
+ } else {
+ unixinit();
+ }
+ configure;
+ doMakefile;
+ my $make = $Config{'make'} || "make";
+ unless ($ENV{PERL_CORE}) {
+ print <<EOM;
+
+Done configuring.
+
+Now you may issue '$make'. Do not forget also '$make test'.
+
+EOM
+ }
+}
+
+&main;
+# EOF
https://perl5.git.perl.org / perl5.git / blobdiff