#
# CDDL HEADER START
#
# The contents of this file are subject to the terms of the
# Common Development and Distribution License, Version 1.0 only
# (the "License"). You may not use this file except in compliance
# with the License.
#
# You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
# or http://www.opensolaris.org/os/licensing.
# See the License for the specific language governing permissions
# and limitations under the License.
#
# When distributing Covered Code, include this CDDL HEADER in each
# file and include the License file at usr/src/OPENSOLARIS.LICENSE.
# If applicable, add the following below this CDDL HEADER, with the
# fields enclosed by brackets "[]" replaced with your own identifying
# information: Portions Copyright [yyyy] [name of copyright owner]
#
# CDDL HEADER END
#
# 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 $nop3 = *File::Spec::catfile;
# if you have 5.004_03 (and some slightly older versions?), xsubpp
# tries to generate line numbers in the C code generated from the .xs.
# unfortunately, it is a little buggy around #ifdef'd code.
# my choice is leave it in and have people with old perls complain
# about the "Usage" bug, or leave it out and be unable to compile myself
# without changing it, and then I'd always forget to change it before a
# release. Sorry, Edward :)
sub try_compile_and_link {
my ($c, %args) = @_;
my ($ok) = 0;
my ($tmp) = "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++;
$DEFINE .= ' -DTIME_HIRES_NANOSLEEP';
}
} elsif ($^O ne 'mpeix' && # MPE/iX falsely finds nanosleep.
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 = $_;
if ($macro eq 'd_nanosleep') {
$macro =~ s/d_(.*)/TIME_HIRES_\U$1/;
} else {
$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
if ($ENV{LC_ALL} =~ /utf-?8/i ||
$ENV{LC_CTYPE} =~ /utf-?8/i ||
$ENV{LANG} =~ /utf-?8/i) {
print <<EOM;
NOTE: if you get an error like this (the 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").
EOM
}
}
}
&main;
# EOF