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xen/tools/misc/mkrpm
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Olaf Hering 6069dd65d6 tools/mkrpm: switch payload to gzip to reduce turnaround time
rpmbuild -bb spents alot of time in compressing the binaries. Reduce the
turnaround time of 'make rpmball' by using gzip as compression tool.
This reduces the buildtime from 'w9.xzdio'/138 seconds to 'w1.gzdio'/88
seconds in my environment.
The downside is an increased filesize of xen.rpm, 19MB vs. 37MB.

Signed-off-by: Olaf Hering <olaf@aepfle.de>
Acked-by: Wei Liu <wei.liu2@citrix.com>
2018-09-07 15:02:06 +01:00

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#!/bin/bash
#
# mkrpm: package the dist/install output of a Xen build in an .rpm
#
# Takes 2 arguments, the path to the dist directory and the version
set -e
if [[ -z "$1" || -z "$2" ]] ; then
echo "usage: $0 path-to-XEN_ROOT xen-version"
exit 1
fi
xenroot="$1"
# rpmbuild doesn't like dashes in the version; break it down into
# version and release. Default to "0" if there isn't a release.
v=(${2/-/ })
version=${v[0]}
release="${v[1]:-0}${PKG_RELEASE:+.$PKG_RELEASE}"
cd $xenroot
# Prepare the directory to package
cd dist
rm -rf rpm
# Fill in the rpm boilerplate
mkdir -p rpm/{BUILD,RPMS,SOURCES,SPECS,SRPMS}
cat >rpm/SPECS/xen.spec <<EOF
Summary: Xen development build, version $version
Name: xen$PKG_SUFFIX
Version: $version
Release: $release
License: GPL
Group: System/Hypervisor
URL: http://xenbits.xenproject.org/xen.git
BuildRoot: %{_tmppath}/%{name}-%{version}-%{release}-root
%define _binary_payload w1.gzdio
%define __spec_install_post /usr/lib/rpm/brp-compress || :
%define debug_package %{nil}
%description
This package contains the Xen hypervisor and associated tools, built
from a source tree. It is not a fully packaged and supported Xen, just
the output of a xen "make dist" wrapped in an .rpm to make it easy to
uninstall.
%build
%install
rm -rf \$RPM_BUILD_ROOT
mkdir -p \$RPM_BUILD_ROOT
cd %{_xenroot}
dist/install.sh \$RPM_BUILD_ROOT/
cd \$RPM_BUILD_ROOT
%clean
rm -rf \$RPM_BUILD_ROOT
%files
%defattr(-,root,root,-)
/*
%post
EOF
# Package it up
rpmbuild --define "_xenroot $xenroot" --define "_topdir $PWD/rpm" -bb rpm/SPECS/xen.spec
# Tidy up after ourselves
mv rpm/RPMS/*/*.rpm .
rm -rf rpm