# The following block is used to allow the source RPM to be rebuilt 
# against specific kernels.  It is preferable that rpmbuild define the
# require_kver, require_kdir, require_obj constants for us, but if it does not
# not we attempt to determine the correct values based on your distro.

# kdir:    Full path to the kernel source headers
# kobj:    Full path to the kernel build objects
# kver:    Kernel version
# kpkg:    Kernel package name
# kdevpkg: Kernel devel package name
# kverpkg: Kernel package version

%if %{defined require_kver}
%define kver %{require_kver}
%endif

%if %{defined require_kdir}
%define kdir %{require_kdir}
%endif

%if %{defined require_kobj}
%define kobj %{require_kobj}
%endif

# Set using 'rpmbuild ... --with kernel ...', defaults to enabled.
%if %{defined _with_kernel}
 %define with_kernel 1
%else
 %if %{defined _without_kernel}
  %define with_kernel 0
 %else
  %define with_kernel 1
 %endif
%endif

# Set using 'rpmbuild ... --with kernel-debug ...', defaults to disabled.
%if %{defined _with_kernel_debug}
 %define with_kernel_debug 1
%else
 %if %{defined _without_kernel_debug}
  %define with_kernel_debug 0
 %else
  %define with_kernel_debug 0
 %endif
%endif

# Set using 'rpmbuild ... --with kernel-dkms ...', defaults to disabled.
%if %{defined _with_kernel_dkms}
 %define with_kernel_dkms 1
%else
 %if %{defined _without_kernel_dkms}
  %define with_kernel_dkms 0
 %else
  %define with_kernel_dkms 0
 %endif
%endif

# Set using 'rpmbuild ... --with debug ...', defaults to disabled.
%if %{defined _with_debug}
 %define kdebug --enable-debug
%else
 %if %{defined _without_debug}
  %define kdebug --disable-debug
 %else
  %define kdebug --disable-debug
 %endif
%endif

# Set using 'rpmbuild ... --with debug-log ...', defaults to enabled.
%if %{defined _with_debug_log}
 %define kdebug_log --enable-debug-log
%else
 %if %{defined _without_debug_log}
  %define kdebug_log --disable-debug-log
 %else
  %define kdebug_log --enable-debug-log
 %endif
%endif

# Set using 'rpmbuild ... --with debug-kmem ...', defaults to enabled.
%if %{defined _with_debug_kmem}
 %define kdebug_kmem --enable-debug-kmem
%else
 %if %{defined _without_debug_kmem}
  %define kdebug_kmem --disable-debug-kmem
 %else
  %define kdebug_kmem --enable-debug-kmem
 %endif
%endif

# Set using 'rpmbuild ... --with debug-tracking ...', defaults to disabled.
%if %{defined _with_debug_kmem_tracking}
 %define kdebug_kmem_tracking --enable-debug-kmem-tracking
%else
 %if %{defined _without_debug_kmem_tracking}
  %define kdebug_kmem_tracking --disable-debug-kmem-tracking
 %else
  %define kdebug_kmem_tracking --disable-debug-kmem-tracking
 %endif
%endif

# SLES:
%if %{defined suse_version}
 %if %{undefined kver}
  %ifarch ppc64
   %define kverextra     ppc64
  %else
   %define kverextra     default
  %endif

  %if %{suse_version} >= 1100
   %define klnk          %{_usrsrc}/linux-obj/%{_target_cpu}/%{kverextra}
   %define krelease      %{klnk}/include/config/kernel.release
  %else
   %define klnk          %{_usrsrc}/linux-obj/%{_target_cpu}/%{kverextra}
   %define krelease      %{klnk}/.kernelrelease
  %endif

  %define kver_kern      %((echo X; %{__cat} %{krelease} 2>/dev/null)|tail -1)
  %define kver_dbug      %{nil}
 %else
  %define kver_kern      %{kver}
  %define kver_dbug      %{nil}
 %endif

 %if %{undefined kverextra}
  %define kverextra      %(echo %{kver_kern} | cut -f3 -d'-')
 %endif

 %define kpkg_kern       kernel-%{kverextra}
 %define kpkg_dbug       %{nil}
 %define kpkg_dkms       dkms

 %define kdevpkg_kern    kernel-source
 %define kdevpkg_dbug    %{nil}
 %define kdevpkg_dkms    dkms

 %define kverpkg_kern    %(echo %{kver_kern} | %{__sed} -e 's/-%{kverextra}//g')
 %define kverpkg_dbug    %{nil}
 %define kverpkg_dkms    2.2.0.2

 # The kernel and rpm versions do not strictly match under SLES11
 # e.g. kernel version 2.6.27.19-5 != rpm version 2.6.27.19-5.1
 %if %{suse_version} >= 1100
  %define koppkg         >=
 %else
  %define koppkg         =
 %endif

 %if %{undefined kdir}
  %define kdir_kern      %{_usrsrc}/linux-%{kverpkg_kern}
  %define kdir_dbug      %{nil}
 %else
  %define kdir_kern      %{kdir}
  %define kdir_dbug      %{nil}
 %endif

 %if %{undefined kobj}
  %define kobj_kern      %{kdir_kern}-obj/%{_target_cpu}/%{kverextra}
  %define kobj_dbug      %{nil}
 %else
  %define kobj_kern      %{kobj}
  %define kobj_dbug      %{nil}
 %endif
%else

# RHEL 5.x/6.x, CHAOS 5.x:
%if %{defined el5} || %{defined el6} || %{defined ch5}
 %if %{undefined kver}
  %define klnk           %{_usrsrc}/kernels/*/include/config
  %define kver_kern      %((echo X; ((%{__cat} %{klnk}/kernel.release
                            2>/dev/null) | %{__grep} -v debug)) | tail -1)
  %define kver_dbug      %((echo X; ((%{__cat} %{klnk}/kernel.release
                            2>/dev/null) | %{__grep} debug)) | tail -1)
 %else
  %define kver_kern      %{kver}
  %define kver_dbug      %{kver}.debug
 %endif

 %define kpkg_kern       kernel
 %define kpkg_dbug       kernel-debug
 %define kpkg_dkms       dkms

 %define kdevpkg_kern    kernel-devel
 %define kdevpkg_dbug    kernel-debug-devel
 %define kdevpkg_dkms    dkms

 %define kverpkg_dkms    2.2.0.2
 %if %{defined el6} || %{defined ch5}
  %define kverpkg_kern   %(echo %{kver_kern} | %{__sed} -e 's/.%{_target_cpu}//g')
  %define kverpkg_dbug   %(echo %{kver_dbug} | %{__sed} -e 's/.%{_target_cpu}//g' | %{__sed} -e 's/.debug//g')
 %else
  %define kverpkg_kern   %{kver_kern}
  %define kverpkg_dbug   %{kver_dbug}
 %endif

 %define koppkg          =

 %if %{undefined kdir}
  %if %{defined el6} || %{defined ch5}
   %define kdir_kern     %{_usrsrc}/kernels/%{kver_kern}
   %define kdir_dbug     %{_usrsrc}/kernels/%{kver_dbug}
  %else
   %define kdir_kern     %{_usrsrc}/kernels/%{kver_kern}-%{_target_cpu}
   %define kdir_dbug     %{_usrsrc}/kernels/%{kver_dbug}-%{_target_cpu}
  %endif
 %else
  %define kdir_kern      %{kdir}
  %define kdir_dbug      %{kdir}.debug
 %endif

 %if %{undefined kobj}
  %define kobj_kern      %{kdir_kern}
  %define kobj_dbug      %{kdir_dbug}
 %else
  %define kobj_kern      %{kobj}
  %define kobj_dbug      %{kobj}.debug
 %endif
%else

# Fedora:
%if %{defined fedora}
 %if %{undefined kver}
  %define klnk           %{_usrsrc}/kernels/*/include/config
  %define kver_kern      %((echo X; ((%{__cat} %{klnk}/kernel.release
                            2>/dev/null) | %{__grep} -v debug)) | tail -1)
  %define kver_dbug      %((echo X; ((%{__cat} %{klnk}/kernel.release
                            2>/dev/null) | %{__grep} debug)) | tail -1)
 %else
  %define kver_kern      %{kver}
  %define kver_dbug      %{kver}.debug
 %endif

 %define kpkg_kern       kernel
 %define kpkg_dbug       kernel-debug
 %define kpkg_dkms       dkms

 %define kdevpkg_kern    kernel-devel
 %define kdevpkg_dbug    kernel-debug-devel
 %define kdevpkg_dkms    dkms

 %define kverpkg_dkms    2.2.0.2
 %define kverpkg_kern    %(echo %{kver_kern} | %{__sed} -e 's/.%{_target_cpu}//g')
 %define kverpkg_dbug    %(echo %{kver_dbug} | %{__sed} -e 's/.%{_target_cpu}//g' | %{__sed} -e 's/.debug//g')

 %define koppkg          =

 %if %{undefined kdir}
  %define kdir_kern      %{_usrsrc}/kernels/%{kver_kern}
  %define kdir_dbug      %{_usrsrc}/kernels/%{kver_dbug}
 %else
  %define kdir_kern      %{kdir}
  %define kdir_dbug      %{kdir}.debug
 %endif

 %if %{undefined kobj}
  %define kobj_kern      %{kdir_kern}
  %define kobj_dbug      %{kdir_dbug}
 %else
  %define kobj_kern      %{kobj}
  %define kobj_dbug      %{kobj}.debug
 %endif
%else

# Unsupported distro:
 %if %{undefined kver}
  %define kver_kern      %(uname -r)
  %define kver_dbug      %{nil}
 %else
  %define kver_kern      %{kver}
  %define kver_dbug      %{nil}
 %endif

 %define kverpkg_kern    %{kver_kern}
 %define kverpkg_dbug    %{nil}
 %define kverpkg_dkms    %{nil}

 %if %{undefined kdir}
  %define kdir_kern      /lib/modules/%{kver_kern}/build
  %define kdir_dbug      %{nil}
 %else
  %define kdir_kern      %{kdir}
  %define kdir_dbug      %{nil}
 %endif

 %if %{undefined kobj}
  %define kobj_kern      %{kdir_kern}
  %define kobj_dbug      %{nil}
 %else
  %define kobj_kern      %{kobj}
  %define kobj_dbug      %{nil}
 %endif

%endif
%endif
%endif

# Distro agnostic:
%define name             @PACKAGE@-modules
%define version          @VERSION@

# The kernel version should only be appended to a binary RPM.  When
# building a source RPM it must be kernel version agnostic.  This means
# the source RPM must never specify a required kernel version, but the
# final RPM should be keyed to the kernel version it was built against.
%if %{defined build_src_rpm}
%define rel_kern         @SPL_META_RELEASE@
%define rel_dbug         @SPL_META_RELEASE@
%define rel_dkms         @SPL_META_RELEASE@
%if %{defined kpkg_kern}
%define req_kern         %{kpkg_kern}
%endif
%if %{defined kpkg_dbug}
%define req_dbug         %{kpkg_dbug}
%endif
%if %{defined kpkg_dkms}
%define req_dkms         %{kpkg_dkms}
%endif
%if %{defined kdevpkg_kern}
%define devreq_kern      %{kdevpkg_kern}
%endif
%if %{defined kdevpkg_dbug}
%define devreq_dbug      %{kdevpkg_dbug}
%endif
%else
%define relext_kern      %(echo %{kverpkg_kern} | %{__sed} -e 's/-/_/g')
%define relext_dbug      %(echo %{kverpkg_dbug} | %{__sed} -e 's/-/_/g')
%define rel_kern         @SPL_META_RELEASE@_%{relext_kern}
%define rel_dbug         @SPL_META_RELEASE@_%{relext_dbug}
%define rel_dkms         @SPL_META_RELEASE@
%if %{defined kpkg_kern}
%define req_kern         %{kpkg_kern} %{koppkg} %{kverpkg_kern}
%endif
%if %{defined kpkg_dbug}
%define req_dbug         %{kpkg_dbug} %{koppkg} %{kverpkg_dbug}
%endif
%if %{defined kpkg_dkms}
%define req_dkms         %{kpkg_dkms} >= %{kverpkg_dkms}
%endif
%if %{defined kdevpkg_kern}
%define devreq_kern      %{kdevpkg_kern} %{koppkg} %{kverpkg_kern}
%endif
%if %{defined kdevpkg_dbug}
%define devreq_dbug      %{kdevpkg_dbug} %{koppkg} %{kverpkg_dbug}
%endif
%endif


Summary:         Solaris Porting Layer Modules
Group:           Utilities/System
Name:            %{name}
Version:         %{version}
Release:         %{rel_kern}
License:         @LICENSE@
URL:             git://github.com/zfsonlinux/spl.git
BuildRoot:       %{_tmppath}/%{name}-%{version}-%{release}-%(%{__id} -un)
Source:          @PACKAGE@-%{version}.tar.gz

%if %{?with_kernel}

%if %{defined req_kern}
Requires:        %{req_kern}
%endif
%if %{defined kdevpkg_kern}
BuildRequires:   %{kdevpkg_kern}
%endif

%endif

%description
The %{name} package contains kernel modules for emulating Solaris style
primatives in the linux kernel. These include, but are not limited to:
atomic, condvar, debug, error, memory, kobject, kstat, mutex, rwlock,
taskq, thread, time, and vnode APIs.

%if %{?with_kernel}

%package devel
Summary:         Solaris Porting Layer Headers and Symbols
Group:           Development/Libraries
Release:         %{rel_kern}
%if %{defined devreq_kern}
Requires:        %{devreq_kern}
%endif
%if %{defined kdevpkg_kern}
BuildRequires:   %{kdevpkg_kern}
%endif

%description devel
The %{name}-devel package contains the header files and Module{s}.symvers
symbols needed for building additional modules which use %{name}.

%endif
%if %{?with_kernel_debug}

%package debug
Summary:         Solaris Porting Layer Debug Modules
Group:           Utilities/System
Release:         %{rel_dbug}
%if %{defined req_dbug}
Requires:        %{req_dbug}
%endif
%if %{defined kdevpkg_dbug}
BuildRequires:   %{kdevpkg_dbug}
%endif

%description debug
The %{name}-debug package contains kernel modules for emulating Solaris
style primatives in the linux kernel. These include, but are not limited
to: atomic, condvar, debug, error, memory, kobject, kstat, mutex,
rwlock, taskq, thread, time, and vnode APIs.

%package debug-devel
Summary:         Solaris Porting Layer Debug Headers and Symbols
Group:           Development/Libraries
Release:         %{rel_dbug}
%if %{defined devreq_dbug}
Requires:        %{devreq_dbug}
%endif
%if %{defined kdevpkg_dbug}
BuildRequires:   %{kdevpkg_dbug}
%endif

%description debug-devel
The %{name}-debug-devel package contains the header files and
Module{s}.symvers symbols needed for building additional modules which
use %{name}-debug.

%endif
%if %{?with_kernel_dkms}

%package dkms
Summary:         Solaris Porting Layer Modules (DKMS)
Group:           Utilities/System
Release:         %{rel_dkms}
Provides:        %{name}
BuildArch:       noarch
%if %{defined req_dkms}
Requires:        %{req_dkms}
%endif
%if %{defined kdevpkg_dkms}
BuildRequires:   %{kdevpkg_dkms}
%endif

%description dkms
The %{name}-dkms package contains all the necessary pieces to build and
install Solaris Porting Layer (SPL) kernel modules with Dynamic Kernel
Modules Support (DKMS). The SPL modules emulate Solaris style primatives
in the the linux kernel. They include, but are not limited to: atomic,
condvar, debug, error, memory, kobject, kstat, mutex, rwlock, taskq,
thread, time, and vnode APIs.

%endif

%prep
%setup -n @PACKAGE@-%{version}
%build
rm -rf $RPM_BUILD_ROOT

%if %{?with_kernel}

%configure --with-config=kernel \
           --with-linux=%{kdir_kern} --with-linux-obj=%{kobj_kern} \
           %{kdebug} %{kdebug_log} %{kdebug_kmem} %{kdebug_kmem_tracking}
make
make DESTDIR=$RPM_BUILD_ROOT install

%endif
%if %{?with_kernel_debug}

%configure --with-config=kernel \
           --with-linux=%{kdir_dbug} --with-linux-obj=%{kobj_dbug} \
           %{kdebug} %{kdebug_log} %{kdebug_kmem} %{kdebug_kmem_tracking}
make
make DESTDIR=$RPM_BUILD_ROOT install

%endif
%if %{?with_kernel_dkms}

%configure --with-config=kernel \
           %{kdebug} %{kdebug_log} %{kdebug_kmem} %{kdebug_kmem_tracking}
make dist
mkdir -p $RPM_BUILD_ROOT/%{_prefix}/src
tar -xf @PACKAGE@-%{version}.tar.gz -C $RPM_BUILD_ROOT/%{_prefix}/src
cp -af dkms.conf $RPM_BUILD_ROOT/%{_prefix}/src/@PACKAGE@-%{version}

%endif

%clean
rm -rf $RPM_BUILD_ROOT

%if %{?with_kernel}

%files
%defattr(-, root, root)
/lib/modules/%{kver_kern}/*

%files devel
%defattr(-,root,root)
%{_prefix}/src/*/%{kver_kern}

%post
if [ -f /boot/System.map-%{kver_kern} ]; then
	/sbin/depmod -ae -F /boot/System.map-%{kver_kern} %{kver_kern} || exit 0
else
	/sbin/depmod -a || exit 0
fi

%postun
if [ -f /boot/System.map-%{kver_kern} ]; then
	/sbin/depmod -ae -F /boot/System.map-%{kver_kern} %{kver_kern} || exit 0
else
	/sbin/depmod -a || exit 0
fi

%postun devel
rmdir %{_prefix}/src/@PACKAGE@-%{version}-@SPL_META_RELEASE@ 2>/dev/null
exit 0

%endif
%if %{?with_kernel_debug}

%files debug
%defattr(-, root, root)
/lib/modules/%{kver_dbug}/*

%files debug-devel
%defattr(-,root,root)
%{_prefix}/src/*/%{kver_dbug}

%post debug
if [ -f /boot/System.map-%{kver_dbug} ]; then
	/sbin/depmod -ae -F /boot/System.map-%{kver_dbug} %{kver_dbug} || exit 0
else
	/sbin/depmod -a || exit 0
fi

%postun debug
if [ -f /boot/System.map-%{kver_dbug} ]; then
	/sbin/depmod -ae -F /boot/System.map-%{kver_dbug} %{kver_dbug} || exit 0
else
	/sbin/depmod -a || exit 0
fi

%postun debug-devel
rmdir %{_prefix}/src/@PACKAGE@-%{version}-@SPL_META_RELEASE@ 2>/dev/null
exit 0

%endif
%if %{?with_kernel_dkms}

%files dkms
%defattr(-,root,root)
%{_prefix}/src/@PACKAGE@-%{version}

%post dkms
for POSTINST in %{_prefix}/lib/dkms/common.postinst; do
	if [ -f $POSTINST ]; then
		$POSTINST @PACKAGE@ %{version}
		exit $?
	fi
	echo "WARNING: $POSTINST does not exist."
done
echo -e "ERROR: DKMS version is too old and @PACKAGE@ was not"
echo -e "built with legacy DKMS support."
echo -e "You must either rebuild @PACKAGE@ with legacy postinst"
echo -e "support or upgrade DKMS to a more current version."
exit 1

%preun dkms
echo -e
echo -e "Uninstall of @PACKAGE@ module (version %{version}) beginning:"
dkms remove -m @PACKAGE@ -v %{version} --all --rpm_safe_upgrade
exit 0

%endif