rpmbuild error output

#!/bin/sh

  RPM_SOURCE_DIR="/root/rpmbuild/SOURCES"
  RPM_BUILD_DIR="/root/rpmbuild/BUILD"
  RPM_OPT_FLAGS="-O2 -g -pipe -Wall -Wp,-D_FORTIFY_SOURCE=2 -fexceptions -fstack-protector --param=ssp-buffer-size=4 -m64 -mtune=generic"
  RPM_ARCH="x86_64"
  RPM_OS="linux"
  export RPM_SOURCE_DIR RPM_BUILD_DIR RPM_OPT_FLAGS RPM_ARCH RPM_OS
  RPM_DOC_DIR="/usr/share/doc"
  export RPM_DOC_DIR
  RPM_PACKAGE_NAME="perl-namespace-autoclean"
  RPM_PACKAGE_VERSION="0.24"
  RPM_PACKAGE_RELEASE="1.el6"
  export RPM_PACKAGE_NAME RPM_PACKAGE_VERSION RPM_PACKAGE_RELEASE
  LANG=C
  export LANG
  unset CDPATH DISPLAY ||:
  RPM_BUILD_ROOT="/root/rpmbuild/BUILDROOT/perl-namespace-autoclean-0.24-1.el6.x86_64"
  export RPM_BUILD_ROOT

  PKG_CONFIG_PATH="/usr/lib64/pkgconfig:/usr/share/pkgconfig"
  export PKG_CONFIG_PATH

  set -x
  umask 022
  cd "/root/rpmbuild/BUILD"
    [ "$RPM_BUILD_ROOT" != "/" ] && rm -rf "${RPM_BUILD_ROOT}"
    mkdir -p `dirname "$RPM_BUILD_ROOT"`
    mkdir "$RPM_BUILD_ROOT"

cd 'namespace-autoclean-0.24'
LANG=C
export LANG
unset DISPLAY

rm -rf $RPM_BUILD_ROOT

./Build install destdir=$RPM_BUILD_ROOT create_packlist=0
find $RPM_BUILD_ROOT -depth -type d -exec rmdir {} 2>/dev/null \;

/bin/chmod -Rf a+rX,u+w,g-w,o-w $RPM_BUILD_ROOT/*



   /usr/lib/rpm/find-debuginfo.sh --strict-build-id  "/root/rpmbuild/BUILD/namespace-autoclean-0.24"

    /usr/lib/rpm/check-buildroot

    /usr/lib/rpm/redhat/brp-compress

    /usr/lib/rpm/redhat/brp-strip-static-archive /usr/bin/strip
    /usr/lib/rpm/redhat/brp-strip-comment-note /usr/bin/strip /usr/bin/objdump
    /usr/lib/rpm/brp-python-bytecompile
    /usr/lib/rpm/redhat/brp-python-hardlink
    /usr/lib/rpm/redhat/brp-java-repack-jars