/usr/bin/dh_builddeb is in debhelper 9.20120115ubuntu3.
This file is owned by root:root, with mode 0o755.
The actual contents of the file can be viewed below.
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=head1 NAME
dh_builddeb - build Debian binary packages
=cut
use strict;
use Debian::Debhelper::Dh_Lib;
=head1 SYNOPSIS
B<dh_builddeb> [S<I<debhelper options>>] [B<--destdir=>I<directory>] [B<--filename=>I<name>] [S<B<--> I<params>>]
=head1 DESCRIPTION
B<dh_builddeb> simply calls L<dpkg-deb(1)> to build a Debian package or
packages.
=head1 OPTIONS
=over 4
=item B<--destdir=>I<directory>
Use this if you want the generated F<.deb> files to be put in a directory
other than the default of "F<..>".
=item B<--filename=>I<name>
Use this if you want to force the generated .deb file to have a particular
file name. Does not work well if more than one .deb is generated!
=item B<--> I<params>
Pass I<params> to L<dpkg-deb(1)> when it is used to build the
package.
=item B<-u>I<params>
This is another way to pass I<params> to L<dpkg-deb(1)>.
It is deprecated; use B<--> instead.
=back
=cut
init(options => {
"filename=s" => \$dh{FILENAME},
"destdir=s" => \$dh{DESTDIR},
});
# Set the default destination directory.
if (! defined $dh{DESTDIR}) {
$dh{DESTDIR}='..';
}
if (! defined $dh{FILENAME}) {
$dh{FILENAME}='';
}
else {
$dh{FILENAME}="/$dh{FILENAME}";
}
my $max_procs=get_buildoption("parallel") || 1;
my $processes=1;
my $exit=0;
sub reap {
if (wait == -1) {
$processes=0;
}
else {
$processes--;
$exit=1 if $? != 0;
}
}
foreach my $package (@{$dh{DOPACKAGES}}) {
my $pid=fork();
if (! defined $pid) {
error("fork failed! $!");
}
if ($pid) { # parent
$processes++;
reap while $processes > $max_procs;
next;
}
# child
my $tmp=tmpdir($package);
if (exists $ENV{DH_ALWAYS_EXCLUDE} && length $ENV{DH_ALWAYS_EXCLUDE}) {
if (! compat(5)) {
complex_doit("find $tmp $dh{EXCLUDE_FIND} | xargs rm -rf");
}
else {
# Old broken code here for compatibility. Does not
# remove everything.
complex_doit("find $tmp -name $_ | xargs rm -rf")
foreach split(":", $ENV{DH_ALWAYS_EXCLUDE});
}
}
if (! is_udeb($package)) {
doit("dpkg-deb", @{$dh{U_PARAMS}}, "--build", $tmp, $dh{DESTDIR}.$dh{FILENAME});
}
else {
my $filename=$dh{FILENAME};
if (! $filename) {
$filename="/".udeb_filename($package);
}
doit("dpkg-deb", @{$dh{U_PARAMS}}, "--build", $tmp, $dh{DESTDIR}.$filename);
}
exit 0;
}
reap while $processes;
exit $exit;
=head1 SEE ALSO
L<debhelper(7)>
This program is a part of debhelper.
=head1 AUTHOR
Joey Hess <joeyh@debian.org>
=cut
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