[p5sagit/p5-mst-13.2.git] / ext / Time / HiRes / Makefile.PL


# See lib/ExtUtils/MakeMaker.pm for details of how to influence
# the contents of the Makefile that is written.
#

require 5.002;

use Config;
use ExtUtils::MakeMaker;
use strict;

my $VERBOSE = $ENV{VERBOSE};
my $DEFINE;
my $LIBS = [];
my $XSOPT;

use vars qw($self); # Used in 'sourcing' the hints.

my $ld_exeext = ($^O eq 'os2' and $Config{ldflags} =~ /-Zexe\b/) ? '.exe' : '';

unless($ENV{PERL_CORE}) {
    $ENV{PERL_CORE} = 1 if grep { $_ eq 'PERL_CORE=1' } @ARGV;
}

# Perls 5.002 and 5.003 did not have File::Spec, fake what we need.

sub my_dirsep {
    $^O eq 'VMS' ? '.' :
	$^O =~ /mswin32|netware|djgpp/i ? '\\' :
	    $^O eq 'MacOS' ? ':'
		: '/';
}

sub my_catdir {
    shift;
    my $catdir = join(my_dirsep, @_);
    $^O eq 'VMS' ? "[$catdir]" : $catdir;
}

sub my_catfile {
    shift;
    return join(my_dirsep, @_) unless $^O eq 'VMS';
    my $file = pop;
    return my_catdir (undef, @_) . $file;
}

sub my_updir {
    shift;
    $^O eq 'VMS' ? "-" : "..";
}

BEGIN {
    eval { require File::Spec };
    if ($@) {
	*File::Spec::catdir  = \&my_catdir;
	*File::Spec::updir   = \&my_updir;
	*File::Spec::catfile = \&my_catfile;
    }
}

# Avoid 'used only once' warnings.
my $nop1 = *File::Spec::catdir;
my $nop2 = *File::Spec::updir;
my $nop3 = *File::Spec::catfile;

# 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 c:/temp))))[0];
    $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);

	my $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}) {
		# Fragile if the extensions change hierachy within
		# the Perl core but this should do for now.
                $cccmd = "$Config{'cc'} /include=([---]) $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
        {
	    my $tmp_exe = "$tmp$ld_exeext";
	    printf "cccmd = $cccmd\n" if $VERBOSE;
	    my $res = system($cccmd);
	    $ok = defined($res) && $res==0 && -s $tmp_exe && -x _;
	    unlink("$tmp.c", $tmp_exe);
        }
    }

    $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 init {
    my $hints = File::Spec->catfile("hints", "$^O.pl");
    if (-f $hints) {
	print "Using hints $hints...\n";
	local $self;
	do $hints;
	if (exists $self->{LIBS}) {
	    $LIBS = $self->{LIBS};
	    print "Extra libraries: @$LIBS...\n";
	}
    }

    $DEFINE = '';

    print "Looking for gettimeofday()... ";
    my $has_gettimeofday;
    if (exists $Config{d_gettimeod}) {
	$has_gettimeofday++ if $Config{d_gettimeod};
    } elsif (has_gettimeofday()) {
	$DEFINE .= ' -DHAS_GETTIMEOFDAY';
	$has_gettimeofday++;
    }

    if ($has_gettimeofday) {
	print "found.\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()... ";
    my $has_setitimer;
    if (exists $Config{d_setitimer}) {
        $has_setitimer++ if $Config{d_setitimer};
    } elsif (has_x("setitimer(ITIMER_REAL, 0, 0)")) {
        $has_setitimer++;
        $DEFINE .= ' -DHAS_SETITIMER';
    }

    if ($has_setitimer) {
        print "found.\n";
    } else {
	print "NOT found.\n";
    }

    print "Looking for getitimer()... ";
    my $has_getitimer;
    if (exists $Config{'d_getitimer'}) {
        $has_getitimer++ if $Config{'d_getitimer'};
    } elsif (has_x("getitimer(ITIMER_REAL, 0)")) {
        $has_getitimer++;
        $DEFINE .= ' -DHAS_GETITIMER';
    }

    if ($has_getitimer) {
        print "found.\n";
    } else {
	print "NOT found.\n";
    }

    if ($has_setitimer && $has_getitimer) {
	print "You have interval timers (both setitimer and setitimer).\n";
    } else {
	print "You do not have interval timers.\n";
    }

    print "Looking for ualarm()... ";
    my $has_ualarm;
    if (exists $Config{d_ualarm}) {
        $has_ualarm++ if $Config{d_ualarm};
    } elsif (has_x ("ualarm (0, 0)")) {
        $has_ualarm++;
	$DEFINE .= ' -DHAS_UALARM';
    }

    if ($has_ualarm) {
        print "found.\n";
    } else {
	print "NOT found.\n";
	if ($has_setitimer) {
	    print "But you have setitimer().\n";
	    print "We can make a Time::HiRes::ualarm().\n";
	}
    }

    print "Looking for usleep()... ";
    my $has_usleep;
    if (exists $Config{d_usleep}) {
	$has_usleep++ if $Config{d_usleep};
    } elsif (has_x ("usleep (0)")) {
	$has_usleep++;
	$DEFINE .= ' -DHAS_USLEEP';
    }

    if ($has_usleep) {
	print "found.\n";
    } else {
	print "NOT found.\n";
        print "Let's see if you have select()... ";
        if ($Config{'d_select'} eq 'define') {
	    print "found.\n";
	    print "We can make a Time::HiRes::usleep().\n";
	} else {
	    print "NOT found.\n";
	    print "You won't have a Time::HiRes::usleep().\n";
	}
    }

    print "Looking for nanosleep()... ";
    my $has_nanosleep;
    if (exists $Config{d_nanosleep}) {
	if ($Config{d_nanosleep}) {
	    $has_nanosleep++;
	    $DEFINE .= ' -DTIME_HIRES_NANOSLEEP';
	}
    } elsif (has_x ("nanosleep (NULL, NULL)")) {
	$has_nanosleep++;
	$DEFINE .= ' -DTIME_HIRES_NANOSLEEP';
    }

    if ($has_nanosleep) {
	print "found.\n";
        print "You can mix subsecond sleeps with signals.\n";
    } else {
	print "NOT found.\n";
	my $nt = ($^O eq 'os2' ? '' : 'not');
        print "You can$nt mix subsecond sleeps with signals.\n";
    }

    if ($DEFINE) {
        $DEFINE =~ s/^\s+//;
        if (open(XDEFINE, ">xdefine")) {
	    print XDEFINE $DEFINE, "\n";
	    close(XDEFINE);
        }
    }
}

sub doMakefile {
    my @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" },
        realclean => {FILES=> 'const-c.inc const-xs.inc'},
    );

    if ($ENV{PERL_CORE}) {
	push @makefileopts, MAN3PODS => {};
    }

    WriteMakefile(@makefileopts);
}

sub doConstants {
    if (eval {require ExtUtils::Constant; 1}) {
	my @names = (qw(ITIMER_REAL ITIMER_VIRTUAL ITIMER_PROF
			ITIMER_REALPROF));
	foreach (qw (d_usleep d_ualarm d_gettimeofday d_getitimer d_setitimer
		     d_nanosleep)) {
	    my $macro = $_;
	    $macro =~ s/d_(.*)/HAS_\U$1/;
	    push @names, {name => $_, macro => $macro, value => 1,
			  default => ["IV", "0"]};
	}
	ExtUtils::Constant::WriteConstants(
					   NAME => 'Time::HiRes',
					   NAMES => \@names,
					  );
    } else {
	foreach my $file ('const-c.inc', 'const-xs.inc') {
	    my $fallback = File::Spec->catfile('fallback', $file);
	    local $/;
	    open IN, "<$fallback" or die "Can't open $fallback: $!";
	    open OUT, ">$file" or die "Can't open $file: $!";
	    print OUT <IN> or die $!;
	    close OUT or die "Can't close $file: $!";
	    close IN or die "Can't close $fallback: $!";
	}
    }
}

sub main {
    print "Configuring Time::HiRes...\n";

    if ($^O =~ /Win32/i) {
      $DEFINE = '-DSELECT_IS_BROKEN';
      $LIBS = [];
    } else {
      init();
    }
    doMakefile;
    doConstants;
    my $make = $Config{'make'} || "make";
    unless ($ENV{PERL_CORE}) {
	print  <<EOM;
Now you may issue '$make'.  Do not forget also '$make test'.
EOM
    }
}

&main;

# EOF
Commit	Line	Data
3f2ee006	1
dcf686c9	2	# See lib/ExtUtils/MakeMaker.pm for details of how to influence
	3	# the contents of the Makefile that is written.
	4	#
	5
3f2ee006	6	require 5.002;
	7
	8	use Config;
dcf686c9	9	use ExtUtils::MakeMaker;
98b50af3	10	use strict;
3f2ee006	11
3f2ee006	12	my $VERBOSE = $ENV{VERBOSE};
98b50af3	13	my $DEFINE;
046e3f33	14	my $LIBS = [];
98b50af3	15	my $XSOPT;
98b50af3	16
046e3f33	17	use vars qw($self); # Used in 'sourcing' the hints.
046e3f33	18
622913ab	19	my $ld_exeext = ($^O eq 'os2' and $Config{ldflags} =~ /-Zexe\b/) ? '.exe' : '';
622913ab	20
12724655	21	unless($ENV{PERL_CORE}) {
12724655	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	$^O eq 'VMS' ? "-" : "..";
	50	}
	51
	52	BEGIN {
	53	eval { require File::Spec };
	54	if ($@) {
25ca0970	55	*File::Spec::catdir = \&my_catdir;
25ca0970	56	*File::Spec::updir = \&my_updir;
98b50af3	57	*File::Spec::catfile = \&my_catfile;
3f2ee006	58	}
	59	}
	60
98b50af3	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.
5d899d7e	69	# my choice is leave it in and have people with old perls complain
3f2ee006	70	# about the "Usage" bug, or leave it out and be unable to compile myself
5d899d7e	71	# without changing it, and then I'd always forget to change it before a
3f2ee006	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 ($ok) = 0;
98b50af3	86	my ($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
98b50af3	96	my $cccmd = $args{cccmd};
3f2ee006	97
	98	my $errornull;
	99
	100	my $COREincdir;
98b50af3	101
3f2ee006	102	if ($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	}
98b50af3	108
3f2ee006	109	my $ccflags = $Config{'ccflags'} . ' ' . "-I$COREincdir";
98b50af3	110
3f2ee006	111	if ($^O eq 'VMS') {
3f2ee006	112	if ($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]/;
98b50af3	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
98b50af3	129	$cccmd = "$Config{'cc'} -o $tmp $ccflags $tmp.c @$LIBS $errornull"
3f2ee006	130	unless defined $cccmd;
98b50af3	131
c1363767	132	if ($^O eq 'VMS') {
3f2ee006	133	open( CMDFILE, ">$tmp.com" );
	134	print CMDFILE "\$ SET MESSAGE/NOFACILITY/NOSEVERITY/NOIDENT/NOTEXT\n";
	135	print CMDFILE "\$ $cccmd\n";
98b50af3	136	print CMDFILE "\$ IF \$SEVERITY .NE. 1 THEN EXIT 44\n"; # escalate
3f2ee006	137	close CMDFILE;
	138	system("\@ $tmp.com");
	139	$ok = $?==0;
5d899d7e	140	for ("$tmp.c", "$tmp$obj_ext", "$tmp.com", "$tmp$Config{exe_ext}") {
98b50af3	141	1 while unlink $_;
3f2ee006	142	}
	143	}
	144	else
	145	{
622913ab	146	my $tmp_exe = "$tmp$ld_exeext";
3f2ee006	147	printf "cccmd = $cccmd\n" if $VERBOSE;
622913ab	148	my $res = system($cccmd);
	149	$ok = defined($res) && $res==0 && -s $tmp_exe && -x _;
	150	unlink("$tmp.c", $tmp_exe);
3f2ee006	151	}
3f2ee006	152	}
5d899d7e	153
3f2ee006	154	$ok;
	155	}
	156
	157	sub has_gettimeofday {
	158	# confusing but true (if condition true ==> -DHAS_GETTIMEOFDAY already)
5d899d7e	159	return 0 if $Config{d_gettimeod} eq 'define';
98b50af3	160	return 1 if try_compile_and_link(<<EOM);
5d899d7e	161	#include "EXTERN.h"
	162	#include "perl.h"
	163	#include "XSUB.h"
	164	#ifdef I_SYS_TYPES
3f2ee006	165	# include <sys/types.h>
	166	#endif
	167
	168	#ifdef I_SYS_TIME
	169	# include <sys/time.h>
	170	#endif
	171
	172	#ifdef I_SYS_SELECT
	173	# include <sys/select.h> /* struct timeval might be hidden in here */
	174	#endif
	175	static int foo()
	176	{
	177	struct timeval tv;
	178	gettimeofday(&tv, 0);
	179	}
	180	int main _((int argc, char argv, char env))
	181	{
	182	foo();
	183	}
	184	EOM
	185	return 0;
	186	}
	187
	188	sub has_x {
98b50af3	189	my ($x, %args) = @_;
3f2ee006	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	}
3f2ee006	227	}
046e3f33	228
046e3f33	229	$DEFINE = '';
3f2ee006	230
98b50af3	231	print "Looking for gettimeofday()... ";
3f2ee006	232	my $has_gettimeofday;
5d899d7e	233	if (exists $Config{d_gettimeod}) {
5d899d7e	234	$has_gettimeofday++ if $Config{d_gettimeod};
3f2ee006	235	} elsif (has_gettimeofday()) {
	236	$DEFINE .= ' -DHAS_GETTIMEOFDAY';
	237	$has_gettimeofday++;
	238	}
	239
	240	if ($has_gettimeofday) {
98b50af3	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
98b50af3	256	print "Looking for setitimer()... ";
3f2ee006	257	my $has_setitimer;
5d899d7e	258	if (exists $Config{d_setitimer}) {
5d899d7e	259	$has_setitimer++ if $Config{d_setitimer};
3f2ee006	260	} elsif (has_x("setitimer(ITIMER_REAL, 0, 0)")) {
	261	$has_setitimer++;
	262	$DEFINE .= ' -DHAS_SETITIMER';
	263	}
	264
	265	if ($has_setitimer) {
98b50af3	266	print "found.\n";
3f2ee006	267	} else {
98b50af3	268	print "NOT found.\n";
3f2ee006	269	}
3f2ee006	270
98b50af3	271	print "Looking for getitimer()... ";
3f2ee006	272	my $has_getitimer;
5d899d7e	273	if (exists $Config{'d_getitimer'}) {
5d899d7e	274	$has_getitimer++ if $Config{'d_getitimer'};
3f2ee006	275	} elsif (has_x("getitimer(ITIMER_REAL, 0)")) {
	276	$has_getitimer++;
	277	$DEFINE .= ' -DHAS_GETITIMER';
	278	}
	279
	280	if ($has_getitimer) {
98b50af3	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	}
3f2ee006	291
98b50af3	292	print "Looking for ualarm()... ";
98b50af3	293	my $has_ualarm;
5d899d7e	294	if (exists $Config{d_ualarm}) {
5d899d7e	295	$has_ualarm++ if $Config{d_ualarm};
3f2ee006	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;
5d899d7e	313	if (exists $Config{d_usleep}) {
5d899d7e	314	$has_usleep++ if $Config{d_usleep};
3f2ee006	315	} elsif (has_x ("usleep (0)")) {
	316	$has_usleep++;
	317	$DEFINE .= ' -DHAS_USLEEP';
	318	}
	319
	320	if ($has_usleep) {
98b50af3	321	print "found.\n";
3f2ee006	322	} else {
98b50af3	323	print "NOT found.\n";
98b50af3	324	print "Let's see if you have select()... ";
3f2ee006	325	if ($Config{'d_select'} eq 'define') {
98b50af3	326	print "found.\n";
98b50af3	327	print "We can make a Time::HiRes::usleep().\n";
3f2ee006	328	} else {
98b50af3	329	print "NOT found.\n";
98b50af3	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;
5d899d7e	336	if (exists $Config{d_nanosleep}) {
c1363767	337	if ($Config{d_nanosleep}) {
	338	$has_nanosleep++;
	339	$DEFINE .= ' -DTIME_HIRES_NANOSLEEP';
	340	}
3f2ee006	341	} elsif (has_x ("nanosleep (NULL, NULL)")) {
3f2ee006	342	$has_nanosleep++;
046e3f33	343	$DEFINE .= ' -DTIME_HIRES_NANOSLEEP';
3f2ee006	344	}
	345
	346	if ($has_nanosleep) {
98b50af3	347	print "found.\n";
98b50af3	348	print "You can mix subsecond sleeps with signals.\n";
3f2ee006	349	} else {
98b50af3	350	print "NOT found.\n";
622913ab	351	my $nt = ($^O eq 'os2' ? '' : 'not');
622913ab	352	print "You can$nt mix subsecond sleeps with signals.\n";
3f2ee006	353	}
	354
	355	if ($DEFINE) {
	356	$DEFINE =~ s/^\s+//;
	357	if (open(XDEFINE, ">xdefine")) {
	358	print XDEFINE $DEFINE, "\n";
	359	close(XDEFINE);
	360	}
	361	}
	362	}
	363
	364	sub doMakefile {
98b50af3	365	my @makefileopts = ();
3f2ee006	366
	367	if ($] >= 5.005) {
	368	push (@makefileopts,
	369	'AUTHOR' => 'Jarkko Hietaniemi <jhi@iki.fi>',
	370	'ABSTRACT_FROM' => 'HiRes.pm',
	371	);
	372	$DEFINE .= " -DATLEASTFIVEOHOHFIVE";
	373	}
	374
	375	push (@makefileopts,
	376	'NAME' => 'Time::HiRes',
	377	'VERSION_FROM' => 'HiRes.pm', # finds $VERSION
5d899d7e	378	'LIBS' => $LIBS, # e.g., '-lm'
5d899d7e	379	'DEFINE' => $DEFINE, # e.g., '-DHAS_SOMETHING'
3f2ee006	380	'XSOPT' => $XSOPT,
3f2ee006	381	# do not even think about 'INC' => '-I/usr/ucbinclude', Solaris will avenge.
5d899d7e	382	'INC' => '', # e.g., '-I/usr/include/other'
3f2ee006	383	'INSTALLDIRS' => 'perl',
	384	'dist' => {
	385	'CI' => 'ci -l',
5d899d7e	386	'COMPRESS' => 'gzip -9f',
3f2ee006	387	'SUFFIX' => 'gz',
	388	},
	389	clean => { FILES => "xdefine" },
98b50af3	390	realclean => {FILES=> 'const-c.inc const-xs.inc'},
3f2ee006	391	);
3f2ee006	392
9ac5eb64	393	if ($ENV{PERL_CORE}) {
	394	push @makefileopts, MAN3PODS => {};
	395	}
	396
3f2ee006	397	WriteMakefile(@makefileopts);
	398	}
	399
98b50af3	400	sub doConstants {
	401	if (eval {require ExtUtils::Constant; 1}) {
	402	my @names = (qw(ITIMER_REAL ITIMER_VIRTUAL ITIMER_PROF
	403	ITIMER_REALPROF));
	404	foreach (qw (d_usleep d_ualarm d_gettimeofday d_getitimer d_setitimer
	405	d_nanosleep)) {
	406	my $macro = $_;
	407	$macro =~ s/d_(.*)/HAS_\U$1/;
	408	push @names, {name => $_, macro => $macro, value => 1,
	409	default => ["IV", "0"]};
	410	}
	411	ExtUtils::Constant::WriteConstants(
	412	NAME => 'Time::HiRes',
	413	NAMES => \@names,
	414	);
	415	} else {
	416	foreach my $file ('const-c.inc', 'const-xs.inc') {
	417	my $fallback = File::Spec->catfile('fallback', $file);
	418	local $/;
	419	open IN, "<$fallback" or die "Can't open $fallback: $!";
	420	open OUT, ">$file" or die "Can't open $file: $!";
	421	print OUT <IN> or die $!;
	422	close OUT or die "Can't close $file: $!";
	423	close IN or die "Can't close $fallback: $!";
	424	}
	425	}
	426	}
3f2ee006	427
98b50af3	428	sub main {
98b50af3	429	print "Configuring Time::HiRes...\n";
3f2ee006	430
	431	if ($^O =~ /Win32/i) {
	432	$DEFINE = '-DSELECT_IS_BROKEN';
046e3f33	433	$LIBS = [];
3f2ee006	434	} else {
046e3f33	435	init();
3f2ee006	436	}
3f2ee006	437	doMakefile;
98b50af3	438	doConstants;
3f2ee006	439	my $make = $Config{'make'} \|\| "make";
	440	unless ($ENV{PERL_CORE}) {
	441	print <<EOM;
3f2ee006	442	Now you may issue '$make'. Do not forget also '$make test'.
3f2ee006	443	EOM
	444	}
	445	}
	446
	447	&main;
dcf686c9	448
3f2ee006	449	# EOF