Refresh RPM packaging

Refresh the existing RPM packaging to conform to the 'Fedora
Packaging Guidelines'.  This includes adopting the kmods2
packaging standard which is used fod kmods distributed by
rpmfusion for Fedora/RHEL.

  http://fedoraproject.org/wiki/Packaging:Guidelines
  http://rpmfusion.org/Packaging/KernelModules/Kmods2

While the spec files have been entirely rewritten from a
user perspective the only major changes are:

* The Fedora packages now have a build dependency on the
  rpmfusion repositories.  The generic kmod packages also
  have a new dependency on kmodtool-1.22 but it is bundled
  with the source rpm so no additional packages are needed.

* The kernel binary module packages have been renamed from
  zfs-modules-* to kmod-zfs-* as specificed by kmods2.

* The is now a common kmod-zfs-devel-* package in addition
  to the per-kernel devel packages.  The common package
  contains the development headers while the per-kernel
  package contains kernel specific build products.

Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
Closes #1341

rpm/fedora/zfs-kmod.spec.in

@@ -0,0 +1,117 @@
+%define module  @PACKAGE@
+%define repo    rpmfusion
+
+%define buildforkernels newest
+#define buildforkernels current
+#define buildforkernels akmod
+
+%bcond_with     debug
+%bcond_with     debug_dmu_tx
+
+
+Name:           %{module}-kmod
+
+Version:        @VERSION@
+Release:        @RELEASE@%{?dist}
+Summary:        Kernel module(s)
+
+Group:          System Environment/Kernel
+License:        @ZFS_META_LICENSE@
+URL:            http://zfsonlinux.org/
+Source0:        %{module}-%{version}.tar.gz
+Source10:       kmodtool
+BuildRoot:      %{_tmppath}/%{name}-%{version}-%{release}-root-%(%{__id_u} -n)
+ExclusiveArch:  i586 i686 x86_64
+
+# Likely compiles but is not supported.
+ExcludeArch:    ppc ppc64
+
+# The developments headers will conflict with the dkms packages.
+Conflicts:      %{module}-dkms
+
+BuildRequires:  %{_bindir}/kmodtool
+
+%global KmodsBuildRequires kmod-spl-devel
+%global KmodsRequires      kmod-spl
+
+%{!?kernels:BuildRequires: buildsys-build-rpmfusion-kerneldevpkgs-%{?buildforkernels:%{buildforkernels}}%{!?buildforkernels:current}-%{_target_cpu} }
+
+%if 0%{?fedora} >= 17
+%define prefix  /usr
+%endif
+
+# Kmodtool does its magic here.  A patched version of kmodtool is shipped
+# with the source rpm until kmod development packages are supported upstream.
+# https://bugzilla.rpmfusion.org/show_bug.cgi?id=2714
+%{expand:%(sh %{SOURCE10} --target %{_target_cpu} --repo %{repo} --kmodname %{name} --devel %{?prefix:--prefix "%{?prefix}"} %{?buildforkernels:--%{buildforkernels}} %{?kernels:--for-kernels "%{?kernels}"} 2>/dev/null) }
+
+
+%description
+This package contains the ZFS kernel modules.
+
+%prep
+# Error out if there was something wrong with kmodtool.
+%{?kmodtool_check}
+
+# Print kmodtool output for debugging purposes:
+sh %{SOURCE10}  --target %{_target_cpu}  --repo %{repo} --kmodname %{name} --devel %{?buildforkernels:--%{buildforkernels}} %{?kernels:--for-kernels "%{?kernels}"} 2>/dev/null
+
+%if %{with debug}
+    %define debug --enable-debug
+%else
+    %define debug --disable-debug
+%endif
+
+%if %{with debug_dmu_tx}
+    %define debug_dmu_tx --enable-debug-dmu-tx
+%else
+    %define debug_dmu_tx --disable-debug-dmu-tx
+%endif
+
+# Leverage VPATH from configure to avoid making multiple copies.
+%define _configure ../%{module}-%{version}/configure
+
+%setup -q -c -T -a 0
+
+for kernel_version in %{?kernel_versions}; do
+    %{__mkdir} _kmod_build_${kernel_version%%___*}
+done
+
+%build
+for kernel_version in %{?kernel_versions}; do
+    pushd _kmod_build_${kernel_version%%___*}
+    %configure \
+        --with-config=kernel \
+        --with-linux="${kernel_version##*___}" \
+        --with-linux-obj="${kernel_version##*___}" \
+        --with-spl="/usr/src/spl-%{version}" \
+        --with-spl-obj="/usr/src/spl-%{version}/${kernel_version%%___*}" \
+        %{debug} \
+        %{debug_dmu_tx}
+    make %{?_smp_mflags}
+    popd
+done
+
+
+%install
+rm -rf ${RPM_BUILD_ROOT}
+
+# Relies on the kernel 'modules_install' make target.
+for kernel_version in %{?kernel_versions}; do
+    pushd _kmod_build_${kernel_version%%___*}
+    make install \
+        DESTDIR=${RPM_BUILD_ROOT} \
+        %{?prefix:INSTALL_MOD_PATH=%{?prefix}} \
+        INSTALL_MOD_DIR=%{kmodinstdir_postfix}
+    popd
+done
+chmod u+x ${RPM_BUILD_ROOT}%{kmodinstdir_prefix}/*/extra/*/*/*
+%{?akmod_install}
+
+
+%clean
+rm -rf $RPM_BUILD_ROOT
+
+%changelog
+* Tue Mar 12 2013 Brian Behlendorf <behlendorf1@llnl.gov> - 0.6.0-1
+- Initial kmods2 packaging.