Fix #559

The installation scripts now remove pre-existing build
directories to avoid consistency/dependency issues that arise
when overwriting build directories.

Author: Damian Rouson

prerequisites/build-functions/build_and_install.sh

@@ -16,6 +16,9 @@ build_and_install()
 
   set_SUDO_if_needed_to_write_to_directory "${build_path}"
   set_SUDO_if_needed_to_write_to_directory "${install_path}"
+  if [[ -d "${build_path}" ]]; then
+    rm -rf "${build_path}"
+  fi
   mkdir -p "${build_path}"
   info "pushd ${build_path}"
   pushd "${build_path}"

prerequisites/install-functions/build_opencoarrays.sh

@@ -8,6 +8,9 @@ build_opencoarrays()
   info "Invoking find_or_install cmake"
   find_or_install cmake
   build_path="${build_path}"/opencoarrays/$("${opencoarrays_src_dir}"/install.sh -V opencoarrays)
+  if [[ -d "${build_path}" ]]; then
+    rm -rf "${build_path}"
+  fi
   mkdir -p "$build_path"
   pushd "$build_path"
   if [[ -z ${MPIFC:-} || -z ${MPICC:-} ]]; then