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# -------------------------------------------------------------------------------------------

#

# How to build for SMP and UP kernel

#

#  rpmbuild -ba --target i686   --define 'kernel 2.6.9-42.0.2.EL' squashfs.spec

#  rpmbuild -ba --target x86_64 --define 'kernel 2.6.9-42.0.2.EL' squashfs.spec

#

# or only for UP kernel

#

#  rpmbuild -ba --target i686   --define 'kernel 2.6.9-42.0.2.EL' --define 'buildsmp 0' squashfs.spec

#  rpmbuild -ba --target x86_64 --define 'kernel 2.6.9-42.0.2.EL' --define 'buildsmp 0' squashfs.spec

#

#

# for the running kernel:

#

#  rpmbuild -ba --target i686   squashfs.spec

#  rpmbuild -ba --target x86_64 squashfs.spec

#

# -------------------------------------------------------------------------------------------

%{!?buildsmp:%define buildsmp 1}

%{?!kernel:%define kernel %(rpm -q kernel-devel | tail -1 | sed -e 's|kernel-devel-||')}

%define kversion %(echo "%{kernel}" | sed -e 's|-.*||')

%define krelease %(echo "%{kernel}" | sed -e 's|.*-||')

%define kernel_src_path %{_usrsrc}/kernels/%{kernel}-%{_target_cpu}

%define kernel_smp_src_path %{_usrsrc}/kernels/%{kernel}-smp-%{_target_cpu}

%define kernel_moduledir /lib/modules/%{kernel}

%define kernel_smp_moduledir /lib/modules/%{kernel}smp

%define pkg_name squashfs

%define kmdl_name kernel-module-%{pkg_name}-%{kernel}

# -------------------------------------------------------------------------------------------

%define kernel_patch_version 	2.6.10

# this is for 3.1-r2

%define squashfs_release	2           

%define squashfs_version    	3.1

Summary: 	A Read-Only File System with Efficient Compression

Name: 		%{pkg_name}

Version: 	%{squashfs_version}.%{squashfs_release}

Release: 	1.sl4.psi

Epoch: 		0

Packager: 	Urs Beyerle <urs.beyerle@psi.ch>

License: 	GPL

Group: 		System Environment/Kernel

Source0: 	%{name}%{squashfs_version}-r%{squashfs_release}.tar.gz

URL: 		http://squashfs.sourceforge.net/

BuildRoot: 	%{_tmppath}/%{name}-%{version}-%{release}-buildroot

# Requires:       kernel-module-%{pkg_name} >= %{version}-%{release}

BuildRequires: 	kernel-devel = %{kernel}, 

%if %{buildsmp}

BuildRequires: 	kernel-smp-devel = %{kernel}

%endif

%description

Squashfs is a compressed read-only filesystem for Linux. 

Squashfs is intended for general read-only filesystem use.

This package contains the userland utilities to create and read

squashfs images.

Kernel modules for squashfs are in kernel-module-%{pkg_name} rpms.

%package -n %{kmdl_name}

Summary: 	kernel modules for %{name}.

Group: 		System Environment/Kernel

License: 	GPL

Provides:	kernel-module-%{pkg_name} = %{epoch}:%{version}-%{release}

# Requires:	%{pkg_name}

%description -n %{kmdl_name}

Kernel modules for %{name}.

%if %{buildsmp}

%package -n %{kmdl_name}smp

Summary: 	smp kernel modules for %{name}.

Group: 		System Environment/Kernel

License: 	GPL

Provides:	kernel-module-%{pkg_name} = %{epoch}:%{version}-%{release}

# Requires:	%{pkg_name}

%description -n %{kmdl_name}smp

SMP kernel modules for %{name}.

%endif

%prep

%setup -n %{name}%{squashfs_version}-r%{squashfs_release}

# %patch

# turn patch into plain sources :-/

patch -f -p2 < linux-%{kernel_patch_version}/squashfs3.1-patch || true

mv linux squashfs/.

echo '#define CONFIG_SQUASHFS_FRAGMENT_CACHE_SIZE 3' >> squashfs/squashfs.h

%build

echo -e "\nDriver version: %{version}\nKernel version: %{kernel}\n"

### build the squashfs-tools

make -C squashfs-tools \

	CFLAGS="-I. -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE $RPM_OPT_FLAGS"

### prepare source

rm -rf obj

mkdir obj

cp -r squashfs obj

cd obj/squashfs

# point to right header files

sed -i 's|#include <linux/squashfs_fs.h>|#include "linux/squashfs_fs.h"|' *.c

sed -i 's|#include <linux/squashfs_fs_sb.h>|#include "linux/squashfs_fs_sb.h"|' *.c

sed -i 's|#include <linux/squashfs_fs_i.h>|#include "linux/squashfs_fs_i.h"|' *.c

sed -i 's|#include <linux/squashfs_fs.h>|#include "squashfs_fs.h"|' linux/*.h

sed -i 's|#include <linux/squashfs_fs_sb.h>|#include "squashfs_fs_sb.h"|' linux/*.h

sed -i 's|#include <linux/squashfs_fs_i.h>|#include "squashfs_fs_i.h"|' linux/*.h

export CONFIG_SQUASHFS=m

export INSTALL_MOD_PATH=$RPM_BUILD_ROOT

export INSTALL_MOD_DIR=kernel/fs

### UP kernel module

make -C %{kernel_src_path} M=$PWD clean

rm -f *.o *.ko

make -C %{kernel_src_path} M=$PWD modules

mkdir -p $RPM_BUILD_ROOT/%{kernel_moduledir}/kernel/fs/squashfs

cp -a squashfs.ko $RPM_BUILD_ROOT/%{kernel_moduledir}/kernel/fs/squashfs/

### SMP kernel module

%if %{buildsmp}

make -C %{kernel_smp_src_path} M=$PWD clean

rm -f *.o *.ko

make -C %{kernel_smp_src_path} M=$PWD modules

mkdir -p $RPM_BUILD_ROOT/%{kernel_smp_moduledir}/kernel/fs/squashfs

cp -a squashfs.ko $RPM_BUILD_ROOT/%{kernel_smp_moduledir}/kernel/fs/squashfs/

%endif

%install

mkdir -p $RPM_BUILD_ROOT/usr/bin

cp -p squashfs-tools/*squashfs $RPM_BUILD_ROOT/usr/bin

%clean

[ "$RPM_BUILD_ROOT" != "/" ] && rm -rf $RPM_BUILD_ROOT

%postun -n %{kmdl_name}

depmod -a %{kernel} >/dev/null 2>&1 || :	

%post -n %{kmdl_name}

depmod -a %{kernel} >/dev/null 2>&1 || :

%if %{buildsmp}

%postun -n %{kmdl_name}smp

depmod -a %{kernel}smp >/dev/null 2>&1 || :

%post -n %{kmdl_name}smp

depmod -a %{kernel}smp >/dev/null 2>&1 || :

%endif

%files 

%defattr(-,root,root,-)

%doc README README-3.1 PERFORMANCE.README COPYING CHANGES ACKNOWLEDGEMENTS INSTALL

/usr/bin/mksquashfs

/usr/bin/unsquashfs

%files -n %{kmdl_name}

%defattr(-,root,root,-)

%{kernel_moduledir}/kernel/fs/squashfs

%if %{buildsmp}

%files -n %{kmdl_name}smp

%defattr(-,root,root,-)

%{kernel_smp_moduledir}/kernel/fs/squashfs

%endif

%changelog

* Sun Oct 15 2006 Urs Beyerle <urs.beyerle@psi.ch>  3.1.r2-1.sl4.psi

- #include <linux/squash...> -> #include "squash..."

- #define CONFIG_SQUASHFS_FRAGMENT_CACHE_SIZE 3 (the default)

- no patching of do_mounts, so no initrd support

- build for RHEL kernel 2.6.9