extra: build.sh now installs into local prefix

It will be in $BUILD_DIR/install

extra/scripts/build.sh

@@ -4,6 +4,7 @@ BUILD_THREADS="$(grep -c processor /proc/cpuinfo)"
 BUILD_DIR=
 BUILD_MODE=
 BUILD_SYSTEM=
+INSTALL_DIR="install"
 RUN_TESTS=1
 is_installed() {
@@ -131,6 +132,7 @@ cat >&2 << EOF
 Building Algorithms Library Core from $ROOT:
  - Mode:    $BUILD_MODE
  - Into:    $ROOT/$BUILD_DIR $BUILD_DIR_SYMLINK
+ - Install: $ROOT/$BUILD_DIR/$INSTALL_DIR
  - Threads: $BUILD_THREADS
  - Builder: $BUILD_SYSTEM
  - Testing: $RUN_TESTS
@@ -154,7 +156,7 @@ else
 fi
-CMAKE_FLAGS="-DCMAKE_BUILD_TYPE=$BUILD_MODE -DCMAKE_EXPORT_COMPILE_COMMANDS=ON"
+CMAKE_FLAGS="-DCMAKE_BUILD_TYPE=$BUILD_MODE -DCMAKE_EXPORT_COMPILE_COMMANDS=ON -DCMAKE_INSTALL_PREFIX=${ROOT}/${BUILD_DIR}/${INSTALL_DIR}"
 if [[ $BUILD_SYSTEM == "ninja" ]]; then
 	CMAKE_FLAGS="$CMAKE_FLAGS -GNinja"
 fi
@@ -163,11 +165,13 @@ cmake $CMAKE_FLAGS ${ROOT}
 # build and test
 if [[ $BUILD_SYSTEM == "ninja" ]]; then
 	ninja -j${BUILD_THREADS} || exit 1
+	ninja install -j${BUILD_THREADS} || exit 1
 	if [[ $RUN_TESTS -ne 0 ]]; then
 		ctest . --output-on-failure -j ${BUILD_THREADS} || exit 1
 	fi
 else
 	make -j${BUILD_THREADS} || exit 1
+	make install -j${BUILD_THREADS} || exit 1
 	if [[ $RUN_TESTS -ne 0 ]]; then
 		make test ARGS="-j${BUILD_THREADS} --output-on-failure" || exit 1
 	fi