RPM .spec file for building a specific version of perl to install under /opt

gistfile1.txt

#!/bin/bash
#
# This is a simple script to allow someone on an RPM-based
# system to build the custom opt-perl package defined by
# the RPM specfile in this same directory.
#
# @author: Stephen R. Scaffidi <[email protected]>
# @date: Oct. 2012
#

# abort on any error
set -e

SCRIPTDIR=$(dirname $0)
SPECNAME="opt-perl.spec"

if [[ "$(whoami)" == "root" ]]; then
  echo "Please don't build RPMs as root!"
  echo "Run this script as a normal user."
  exit 1
fi

# make sure we have the tools we need to build RPMs
if ! which rpmdev-setuptree &> /dev/null; then
  echo "You need to install the rpmdevtools package."
  echo "To do so automatically, please enter your password for sudo."
  sudo yum -y install rpmdevtools
fi

# create an RPM build tree
rpmdev-setuptree

# download the perl source into the proper place in the build-tree
spectool --get-files -R "$SCRIPTDIR/opt-perl.spec"

# ask the RPM system where certain build-dirs will be
RPMDIR=$(rpm --eval "%{_rpmdir}")
SPECDIR=$(rpm --eval "%{_specdir}")

# copy the specfile into the build tree
cp "$SCRIPTDIR/$SPECNAME" "$SPECDIR"

# finally, build the rpm!
echo "Building the RPM, please wait..."
rpmbuild --quiet -ba "$SPECDIR/$SPECNAME"

echo
echo "Your new perl RPM should be under $RPMDIR"
echo "Please ignore any debuginfo packages that are there."
echo

opt-perl.spec

%define perlver 5.16.1
%define perlname perl-%{perlver}

Name:           opt-%{perlname}
Version:        1
Release:        ta
Summary:        Practical Extraction and Report Language - under /opt
Group:          misc
License:        GPLv1+
URL:            http://www.perl.org
Source0:        http://www.cpan.org/src/5.0/%{perlname}.tar.gz
BuildRoot:      %{_tmppath}/%{perlname}-%{release}-root-%(%{__id_u} -n)
AutoReq:        no
AutoProv:       no


# this is necessary to prevent the scanning for rpaths in built libs
%undefine __arch_install_post


%description
A recent stable version of perl, installed under /opt

%prep
%setup -q -n %{perlname}


%build
./Configure -des -DEBUGGING=none -Duserelocatableinc -Dprefix=/opt/%{perlname}
%__make -j3
#make test


%install
rm -rf %{buildroot}
%__make install DESTDIR=%{buildroot}
chmod -R u+w %{buildroot}/*

%clean
rm -rf %{buildroot}

%files
/opt/%{perlname}
%defattr(-,root,root,-)

%changelog