eval "$(
  declare -f build | \
    sed '
      /^\s*CFLAGS+=/{
        a\
    export CFLAGS=${CFLAGS/-fno-plt}\
    export CXXFLAGS=${CXXFLAGS/-fno-plt}
      }
    '
)"

# backport from git://sourceware.org/git/elfutils.git
source+=(elfutils-backtrace-test-printf-fix.patch)
sha1sums+=('c14beffa1fcd1116ae9c388ebba16cf3f668da92')

prepare() {
  cd ${pkgbase}-${pkgver}
  patch -Np1 -i "$srcdir/elfutils-backtrace-test-printf-fix.patch"
}