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#!/usr/bin/perl -w
=head1 NAME
dh_illumos_gate - unpack and prepare illumos sources
=cut
use strict;
use Debian::Debhelper::Dh_Lib;
use Dpkg::Changelog::Parse;
use Cwd;
=head1 SYNOPSIS
B<dh_illumos_gate> [S<I<debhelper options>>] [B<-X>I<PATTERN>]
=head1 DESCRIPTION
C<dh_illumos_gate> is responsible for unpacking illumos sources and adjusting the sources
for Debian build environment (paths to programs, command options, linker and compiler flags, etc.).
It unpacks illumos gate sources, creates F<bldenv.sh> and F<env.sh>
in the root of source tree, configures build environment in F<env.sh>.
Sources are always unpacked into F<illumos-gate> subdirectory of the current directory.
After executing C<dh_illumos_gate> one can use commands like this to configure or build
components of illumos gate:
cd illumos-gate
ksh93 bldenv.sh env.sh -c "cd usr/src/lib/libzfs && /usr/bin/sunmake install"
L<dh_illumos_make(1)> provides more convenient way to do this.
=head1 FILES
=over 4
=item /usr/src/illumos-gate/illumos-gate.tar.xz
This file contains recent complete and unmodified illumos sources.
It is provided by package I<illumos-source>.
=back
=head1 OPTIONS
=over 4
=item B<-X>I<PATTERN> B<--exclude=>I<PATTERN>
By default C<dh_illumos_gate> unpack the whole archive of illumos sources.
Use this options to exclude some parts. For example, if you are building
illumos kernel (F<usr/src/uts>), you do not need libraries or programs and
use F<-XI<usr/src/lib>> F<-XI<usr/src/cmd>>. These options passed
as is to L<tar(1)> via I<--exclude=PATTERN>.
=back
=head1 DETAILS
Here are things which this helper does after unpacking illumos sources.
=over 4
=cut
init(options => {
});
my $tarball = '/usr/src/illumos-gate/illumos-gate.tar.xz';
my $changelogfile = 'debian/changelog';
my @tar_X = ();
if (defined($dh{'EXCLUDE'}) && $dh{'EXCLUDE'}) {
foreach my $x (@{$dh{'EXCLUDE'}}) {
push @tar_X, '--exclude';
push @tar_X, $x;
}
}
doit('tar', '-x', '-f', $tarball, @tar_X);
=item Saving original files
Any files from illumos sources, changed by this helper,
are saved with F<.orig> suffix, so you can investigate changes.
For example, you can use C<cd illumos-gate && diff -dub usr/src/Makefile.master.orig usr/src/Makefile.master>
to see all changes.
=cut
my $Makefile_master = 'illumos-gate/usr/src/Makefile.master';
my $Makefile_master_orig = $Makefile_master . '.orig';
if (! -f $Makefile_master) {
error("Could not find `$Makefile_master'. Is it accidently excluded via -X option?");
}
if (! -e $Makefile_master_orig) {
doit('cp', '-f', $Makefile_master, $Makefile_master_orig);
}
=item Changes to F<illumos-gate/usr/src/Makefile.master>:
Remove option C<-s> (strip) from install command for directories and files.
This options does not make sense for directories and GNU L<install(1)> is
not tolerant here. Also replace option C<-f> with C<-t>.
=cut
doit('sed', '-r', '-i', '
/^INS\.(file|dir)/ s, -s,,;
/^INS\.file/ s, -f, -t,;
', $Makefile_master
);
=item Changes to F<illumos-gate/usr/src/lib/Makefile.lib>:
Append C<CFLAGS> to C<BUILD.SO> command, because C<BUILD.SO>
by default uses C compiler to create shared library.
=cut
my $Makefile_lib = 'illumos-gate/usr/src/lib/Makefile.lib';
my $Makefile_lib_orig = $Makefile_lib . '.orig';
if (-f $Makefile_lib) {
if (! -e $Makefile_lib_orig) {
doit('cp', '-f', $Makefile_lib, $Makefile_lib_orig);
}
doit('sed', '-r', '-i', '
/^BUILD.SO/ s,\$\(CC\),$(CC) $(CFLAGS),;
', $Makefile_lib
);
}
=item Create F<illumos-gate/env.sh>
Set C<CODEMGR_WS> to be C<current_dir/illumos-gate>.
Set C<VERSION> to be C<source_version> by parsing F<./debian/chnagelog>.
For example it can be C<uts_5.11.0-15>.
Set C<LD_ALTEXEC=/usr/bin/ld-gnu-to-sun> to call L<sunld(1)>
instead of GNU L<ld(1)>. Default system GCC is build to use GNU L<ld(1)>,
but L<sunld(1)> is required to build most illumos components.
See L<ld-gnu-to-sun(1)>.
Set proto area to be F<./debian/tmp>.
Disable C<lint> libraries by replacing C<LINT> with L<true(1)>.
So it will do nothing. Successfully. Also define C<LINTLIB> to empty
string to prevent installation of lint library (which does not exist).
Enable GCC and GCC4 mode by defining C<__GNUC> and C<__GNUC4>.
Change GCC root to F</usr>, so the default system compiler is used.
Define C<i386_XARCH='-m32'> since illumos sources
expect default compiler to generate 32-bit code.
Set library directories to be F</usr/lib/<multi-arch>>,
instead of F</usr/lib> (for 32-bit) and F</usr/lib/amd64>
(for 64-bit). C<dpkg-architecture -qDEB_HOST_MULTIARCH> is involved here.
Define C<LEX> to be C</usr/bin/flex -l>.
=cut
my %options = (file => $changelogfile);
my $changelog = changelog_parse(%options);
my $version = $changelog->{'Source'} . '_' . $changelog->{'Version'};
my $cwd = getcwd();
my $env = 'illumos-gate/env.sh';
my $mach = `uname -p`; chomp $mach;
# XXX Only illumos-amd64 is supported now XXX
my $multiarch64 = `dpkg-architecture -aillumos-amd64 -qDEB_HOST_MULTIARCH`;
#my $multiarch32 = `dpkg-architecture -aillumos-i386 -qDEB_HOST_MULTIARCH`;
chomp $multiarch64;
if (open (ENV, '>', $env)) {
print ENV "# This file was generated by dh_illumos_gate(1)\n";
print ENV "export VERSION='$version'\n";
print ENV "export CODEMGR_WS='$cwd/illumos-gate'\n";
print ENV "export ROOT='$cwd/debian/tmp'\n";
print ENV "export SRC='$cwd/illumos-gate/usr/src'\n";
print ENV "export MULTI_PROTO='no'\n";
print ENV "export CW_NO_SHADOW=1\n";
print ENV "export LD_ALTEXEC='/usr/bin/ld-gnu-to-sun'\n";
print ENV "export BUILD_TOOLS='/opt'\n";
print ENV "export MACH='$mach'\n";
print ENV "export LINT='true'\n";
print ENV "export LINTLIB=''\n";
print ENV "export __GNUC=''\n";
print ENV "export __GNUC4=''\n";
print ENV "export GCC_ROOT='/usr'\n";
print ENV "export i386_XARCH='-m32'\n";
print ENV "export ROOTFS_LIBDIR=\"\$ROOT/lib32\"\n";
print ENV "export ROOTFS_LIBDIR64=\"\$ROOT/lib/$multiarch64\"\n";
print ENV "export ROOTLIBDIR=\"\$ROOT/usr/lib32\"\n";
print ENV "export ROOTLIBDIR64=\"\$ROOT/usr/lib/$multiarch64\"\n";
print ENV "export LEX='/usr/bin/flex -l'\n";
print ENV "export LDLIBS32=\"-L\$ROOTFS_LIBDIR -L\$ROOTLIBDIR\"\n";
print ENV "export LDLIBS64=\"-L\$ROOTFS_LIBDIR64 -L\$ROOTLIBDIR64\"\n";
close(ENV);
} else {
error("Failed to write `$env': $!");
}
=item Create F<illumos-gate/bldenv.sh>
Copy F<illumos-gate/usr/src/tools/scripts/bldenv.sh>
to F<illumos-gate/bldenv.sh>.
Fix definition of C<CTF*> variables, so this script will
not override them if they are already defined. These variables
can be set to C<true>, when executing L<dh_illumos_make(1)>
with option C<--without-ctf>.
=cut
my $bldenv_sh = 'illumos-gate/usr/src/tools/scripts/bldenv.sh';
if (! -f $bldenv_sh) {
error("Could not find `$bldenv_sh'. Is it accidently excluded via -X option?");
}
doit('cp', '-f', $bldenv_sh, 'illumos-gate/bldenv.sh');
doit('sed', '-r', '-i', '
s,export +(CTF.+)="(.+)",export \1="${\1:-\2}",;
', 'illumos-gate/bldenv.sh'
);
=back
=head1 NOTES
To clean package (via C<./debian/rules clean>) you should just remove F<illumos-gate> directory:
rm -rf illumos-gate
=head1 SEE ALSO
L<debhelper(7)>, L<dh_illumos_make(1)>.
=head1 AUTHOR
Igor Pashev <pashev.igor@gmail.com>
=cut
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