FreeBSD/Linux Kernel Cross Reference
sys/contrib/openzfs/rpm/generic/zfs-kmod.spec.in

     %define module  @PACKAGE@
     
     %if !%{defined ksrc}
     %if 0%{?rhel}%{?fedora}%{?openEuler}
     %define ksrc    ${kernel_version##*___}
     %else
     %define ksrc    "$( \
             if [ -e "/usr/src/linux-${kernel_version%%___*}" ]; then \
                 echo "/usr/src/linux-${kernel_version%%___*}"; \
            elif [ -e "/lib/modules/${kernel_version%%___*}/source" ]; then \
                echo "/lib/modules/${kernel_version%%___*}/source"; \
            else \
                echo "/lib/modules/${kernel_version%%___*}/build"; \
            fi)"
    %endif
    %endif
    
    %if !%{defined kobj}
    %if 0%{?rhel}%{?fedora}%{?openEuler}
    %define kobj    ${kernel_version##*___}
    %else
    %define kobj    "$( \
            if [ -e "/usr/src/linux-${kernel_version%%___*}" ]; then \
                echo "/usr/src/linux-${kernel_version%%___*}"; \
            else \
                echo "/lib/modules/${kernel_version%%___*}/build"; \
            fi)"
    %endif
    %endif
    
    #define repo    rpmfusion
    #define repo    chaos
    
    # (un)define the next line to either build for the newest or all current kernels
    %define buildforkernels newest
    #define buildforkernels current
    #define buildforkernels akmod
    
    %bcond_with     debug
    %bcond_with     debuginfo
    
    
    Name:           %{module}-kmod
    
    Version:        @VERSION@
    Release:        @RELEASE@%{?dist}
    Summary:        Kernel module(s)
    
    Group:          System Environment/Kernel
    License:        @ZFS_META_LICENSE@
    URL:            https://github.com/openzfs/zfs
    Source0:        %{module}-%{version}.tar.gz
    Source10:       kmodtool
    BuildRoot:      %{_tmppath}/%{name}-%{version}-%{release}-root-%(%{__id} -u -n)
    %if 0%{?rhel}%{?fedora}%{?openEuler}
    BuildRequires:  gcc, make
    BuildRequires:  elfutils-libelf-devel
    %endif
    
    %if (0%{?fedora}%{?suse_version}%{?openEuler}) || (0%{?rhel} && 0%{?rhel} < 9)
    # We don't directly use it, but if this isn't installed, rpmbuild as root can
    # crash+corrupt rpmdb
    # See issue #12071
    BuildRequires:  ncompress
    %endif
    
    # The developments headers will conflict with the dkms packages.
    Conflicts:      %{module}-dkms
    
    %if %{defined repo}
    
    # Building for a repository use the proper build-sysbuild package
    # to determine which kernel-devel packages should be installed.
    BuildRequires:  %{_bindir}/kmodtool
    %{!?kernels:BuildRequires: buildsys-build-%{repo}-kerneldevpkgs-%{?buildforkernels:%{buildforkernels}}%{!?buildforkernels:current}-%{_target_cpu}}
    
    %else
    
    # Building local packages attempt to to use the installed kernel.
    %{?rhel:BuildRequires: kernel-devel}
    %{?fedora:BuildRequires: kernel-devel}
    %{?openEuler:BuildRequires: kernel-devel}
    %{?suse_version:BuildRequires: kernel-source}
    
    %if !%{defined kernels} && !%{defined build_src_rpm}
        %if 0%{?rhel}%{?fedora}%{?suse_version}%{?openEuler}
            %define kernels %(ls -1 /usr/src/kernels)
        %else
            %define kernels %(ls -1 /lib/modules)
        %endif
    %endif
    %endif
    
    # LDFLAGS are not sanitized by arch/*/Makefile for these architectures.
    %ifarch ppc ppc64 ppc64le aarch64
    %global __global_ldflags %{nil}
    %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:%(bash %{SOURCE10} --target %{_target_cpu} %{?repo:--repo %{?repo}} --kmodname %{name} %{?buildforkernels:--%{buildforkernels}} --devel %{?prefix:--prefix "%{?prefix}"} %{?kernels:--for-kernels "%{?kernels}"} %{?kernelbuildroot:--buildroot "%{?kernelbuildroot}"} 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:
   bash %{SOURCE10}  --target %{_target_cpu} %{?repo:--repo %{?repo}} --kmodname %{name} %{?buildforkernels:--%{buildforkernels}} --devel %{?prefix:--prefix "%{?prefix}"} %{?kernels:--for-kernels "%{?kernels}"} %{?kernelbuildroot:--buildroot "%{?kernelbuildroot}"} 2>/dev/null
   
   %if %{with debug}
       %define debug --enable-debug
   %else
       %define debug --disable-debug
   %endif
   
   %if %{with debuginfo}
       %define debuginfo --enable-debuginfo
   %else
       %define debuginfo --disable-debuginfo
   %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
       cd _kmod_build_${kernel_version%%___*}
       %configure \
           --with-config=kernel \
           --with-linux=%{ksrc} \
           --with-linux-obj=%{kobj} \
           %{debug} \
           %{debuginfo} \
           %{?kernel_cc} \
           %{?kernel_ld} \
           %{?kernel_llvm}
       make %{?_smp_mflags}
       cd ..
   done
   
   
   %install
   rm -rf ${RPM_BUILD_ROOT}
   
   # Relies on the kernel 'modules_install' make target.
   for kernel_version in %{?kernel_versions}; do
       cd _kmod_build_${kernel_version%%___*}
       make install \
           DESTDIR=${RPM_BUILD_ROOT} \
           %{?prefix:INSTALL_MOD_PATH=%{?prefix}} \
           INSTALL_MOD_DIR=%{kmodinstdir_postfix}
       cd ..
   done
   # find-debuginfo.sh only considers executables
   chmod u+x ${RPM_BUILD_ROOT}%{kmodinstdir_prefix}/*/extra/*/*
   %{?akmod_install}
   
   
   %clean
   rm -rf $RPM_BUILD_ROOT

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