Change Details

``` rm -rf build ./contrib/devtools/build_cmake.sh rm -rf build ./contrib/devtools/build_autotools.sh ```

``` rm -rf build ./contrib/devtools/build_cmake.sh rm -rf build THREADS=8 ./contrib/devtools/build_autotools.sh ```

``` rm -rf build ./contrib/devtools/build_cmake.sh rm -rf build THREADS=8 ./contrib/devtools/build_autotools.sh ```