xmake revision 919
#! /usr/perl5/bin/perl -w
#
# Copyright 2009 Sun Microsystems, Inc. All rights reserved.
# Use is subject to license terms.
#
# Permission is hereby granted, free of charge, to any person obtaining a
# copy of this software and associated documentation files (the "Software"),
# to deal in the Software without restriction, including without limitation
# the rights to use, copy, modify, merge, publish, distribute, sublicense,
# and/or sell copies of the Software, and to permit persons to whom the
# Software is furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice (including the next
# paragraph) shall be included in all copies or substantial portions of the
# Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
# THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
# FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
# DEALINGS IN THE SOFTWARE.
#
#
require 5.005; # minimal Perl version required
use strict; #
use diagnostics; #
use File::Path;
use File::Spec;
use English qw( -nomatchvars );
use POSIX qw(uname);
my $verbose = 0;
if ((scalar(@ARGV) > 0) && ($ARGV[0] eq '-v')) {
shift @ARGV;
$verbose = 1;
}
my @makeargs = ();
# Arguments: (envvar, defval)
# If environment variable 'envvar' is not set, set it to 'defval'
sub setenv_default {
my ($envvar, $defval) = @_;
if (!exists $ENV{$envvar}) {
$ENV{$envvar} = $defval;
}
if ($verbose > 0) {
print $envvar, '=', $ENV{$envvar}, "\n";
}
return $ENV{$envvar};
}
sub exec_verbose {
my $program = shift @_;
if ($verbose > 0) {
print join(' ', $program, @_), "\n";
}
exec($program, @_)
or die "$0: exec of $program failed: $OS_ERROR";
}
# save full path to current directory
my $startdir = File::Spec->rel2abs(File::Spec->curdir());
# climb the tree to find the open-src module directory we're in
my @dirtree = File::Spec->splitdir($startdir);
my $osdepth;
for my $n (1..$#dirtree) {
if ($dirtree[$n] eq 'open-src') {
if (-f File::Spec->catfile( @dirtree[0..$n], 'common/Makefile.inc')) {
$osdepth = $n;
last;
}
}
if ($dirtree[$n] eq 'closed-src') {
if (-f File::Spec->catfile( @dirtree[0..($n-1)],
'open-src/common/Makefile.inc')) {
$osdepth = $n;
last;
}
}
}
if (!defined($osdepth)) {
die "$0: Cannot find path to open-src/common/Makefile.inc from here";
}
# Use dmake unless user environment overrides
my $make_cmd = setenv_default('MAKE', 'dmake');
if ($make_cmd =~ m/dmake/) {
# Set dmake environment for parallel builds by default
setenv_default('DMAKE_MODE', 'parallel');
setenv_default('DMAKE_OUTPUT_MODE', 'TXT2');
my $max_jobs;
foreach my $i ( 0..($#ARGV - 1) ) {
if ($ARGV[$i] eq '-j') {
$max_jobs = $ARGV[$i+1];
$ARGV[$i] = '';
$ARGV[$i+1] = '';
}
}
if (!defined($max_jobs) && exists $ENV{'DMAKE_MAX_JOBS'}) {
$max_jobs = $ENV{'DMAKE_MAX_JOBS'};
}
if (!defined($max_jobs)) {
my $machlist = join('/', $ENV{'HOME'}, '.make.machines');
if ( -f $machlist ) {
my $nodename = (POSIX::uname())[1];
if (open my $MACHLIST, '<', $machlist) {
while (my $m = <$MACHLIST>) {
my ($hostname, $vars) = split ' ', $m, 2;
next if (!defined($hostname) || !defined($vars));
if ($hostname eq $nodename) {
my @varlist = split /\s+/, $vars;
foreach my $v (@varlist) {
my ($var, $val) = split /=/, $v;
if ($var eq 'max') {
$max_jobs = $val;
last;
}
}
last;
}
}
close $MACHLIST;
}
}
if (!defined($max_jobs)) {
$max_jobs = 0;
if (open my $PSRINFO, '-|', '/usr/sbin/psrinfo') {
while (my $p = <$PSRINFO>) {
if ($p =~ m/on-line/) {
$max_jobs++;
}
}
close $PSRINFO;
}
}
}
push @makeargs, '-j', $max_jobs;
my $dmake_odir =
setenv_default('DMAKE_ODIR', File::Spec->catfile(@dirtree[0..($osdepth-1)],
'log', '.dmake'));
mkpath($dmake_odir);
}
# if in top two levels, just run make
if ($osdepth >= ($#dirtree - 2)) {
print join(' ', $make_cmd, @makeargs, @ARGV), "\n";
exec_verbose($make_cmd, @makeargs, @ARGV);
}
my $subdir_target = 'build-in-subdir';
for my $f (@ARGV) {
if ($f =~ m{^install}ms) {
$subdir_target = 'install-in-subdir';
}
}
# Otherwise get info from the module makefile
my $moduledir = File::Spec->catdir( @dirtree[0..($osdepth+2)] );
push @makeargs, $subdir_target, qq{subdir='$startdir'};
if (scalar(@ARGV) > 0) {
push @makeargs, join(q{ }, q{subdir_cmd=}, @ARGV);
}
print join(' ', "(cd $moduledir ;\\\n", $make_cmd, @makeargs), ")\n";
chdir $moduledir
or die "$0: Can't chdir $moduledir: $OS_ERROR";
exec_verbose($make_cmd, @makeargs);
__END__