Comment # 1 on bug 62226 from Serkan Hosca

llvm build config:
  ./configure \
    --prefix=/usr \
    --libdir=/usr/lib/llvm \
    --sysconfdir=/etc \
    --enable-shared \
    --enable-libffi \
    --enable-targets=all \
    --enable-optimized \
    --enable-experimental-targets=R600 \
    --disable-expensive-checks \
    --with-binutils-include=/usr/include \
    --enable-optimized