# 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.

%{?require_kver: %define kver %{require_kver}}
%{?require_kdir: %define kdir %{require_kdir}}
%{?require_kobj: %define kobj %{require_kobj}}

# 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

# SLES*:
%if %{defined sles_version}
 %if %{undefined kver}
  %define klnk           %{_usrsrc}/linux-obj/%{_target_cpu}/%{_target_cpu}
  %define kver           %((echo unknown; %{__cat} %{klnk}/.kernelrelease 2>/dev/null) | tail -1)
 %endif                
 %define kpkg            kernel-%{_target_cpu}
 %define kdevpkg         kernel-source kernel-syms
 %define kverpkg         %(echo %{kver} | cut -d'-' -f1-2)
 %{!?kdir: %define kdir  %{_usrsrc}/linux-%{kverpkg}}
 %{!?kobj: %define kobj  %{kdir}-obj/%{_target_cpu}/%{_target_cpu}}

# CHAOS4:
%else
%if %{defined ch4}
 %if %{undefined kver}
  %define klnk           %{_usrsrc}/kernels/*/include/config
  %define kver           %((echo unknown; %{__cat} %{klnk}/kernel.release 2>/dev/null) | tail -1)
 %endif                
 %define kpkg            chaos-kernel
 %define kdevpkg         chaos-kernel-devel
 %define kverpkg         %{kver}
 %{!?kdir: %define kdir  %{_usrsrc}/kernels/%{kver}}
 %{!?kobj: %define kobj  %{kdir}}

# RHEL*/Fedora:
%else
%if %{defined fedora} || %{defined rhel}
 %if %{undefined kver}
  %define klnk           %{_usrsrc}/kernels/*/include/config
  %define kver           %((echo unknown; %{__cat} %{klnk}/kernel.release 2>/dev/null) | tail -1)
 %endif
 %define kpkg            kernel
 %define kdevpkg         kernel-devel
 %define kverpkg         %(echo %{kver} | cut -d'.' -f1-7)
 %{!?kdir: %define kdir  %{_usrsrc}/kernels/%{kver}}
 %{!?kobj: %define kobj  %{kdir}}

%else

# Unsupported distro:
%{!?kver: %define kver   unknown}
%define kpkg             kernel
%define kdevpkg          kernel-devel
%define kverpkg          %{kver}
%{!?kdir: %define kdir   %{_usrsrc}/kernels/%{kver}}
%{!?kobj: %define kobj   %{kdir}}

%endif
%endif
%endif

# Distro agnostic:
%define debug_package %{nil}

%define name     @PACKAGE@
%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.
%if %{defined build_src_rpm}
%define release  @SPL_META_RELEASE@
%else
%define release  @SPL_META_RELEASE@_%(echo %{kverpkg} | %{__sed} -e 's/-/_/g')
%endif

# Required by mock to ensure valid 'Requires' and 'BuildRequires' fields
# are set even when a specific kernel version was not requested.  This is
# used when mock is attempting to rebuild the srpm for the latest kernel.
%if %{defined require_kver}
%define requires      %{kpkg}=%{kverpkg}
%define buildrequires %{kdevpkg}=%{kverpkg}
%else
%define requires      %{kpkg}
%define buildrequires %{kdevpkg}
%endif

Summary:         Solaris Porting Layer
Group:           Utilities/System
Name:            %{name}
Version:         %{version}
Release:         %{release}
License:         GPL
URL:             git://eris.llnl.gov/spl.git
BuildRoot:       %{_tmppath}/%{name}-%{version}-%{release}-%(%{__id_u} -n)
Source:          %{name}-%{version}.tar.gz
Requires:        %{requires}
BuildRequires:   %{buildrequires}

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

%package devel
Summary:         Solaris Porting Layer Headers and Symbols
Group:           Development/Libraries
Requires:        %{requires}
BuildRequires:   %{buildrequires}

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

%prep
%setup
%build
%configure --with-linux=%{kdir} --with-linux-obj=%{kobj}
make

%install
rm -rf $RPM_BUILD_ROOT
make DESTDIR=$RPM_BUILD_ROOT install

%clean
rm -rf $RPM_BUILD_ROOT

%files
%defattr(-, root, root)
%doc AUTHORS ChangeLog COPYING DISCLAIMER INSTALL
%{_sbindir}/*
/lib/modules/*

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

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

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