Fixed Makefile-based install to place python packages in the LLDB install tree.

Failure to install python packages now fails the make install.
This patch properly handles the optional DESTDIR variable.

Patch by Todd Fiala

llvm-svn: 196624

lldb/scripts/finish-swig-wrapper-classes.sh

@@ -89,6 +89,11 @@ do
 
 
             ./finish-swig-${curlang}-LLDB.sh $SRC_ROOT $TARGET_DIR $CONFIG_BUILD_DIR "${PREFIX}" "${debug_flag}" "${makefile_flag}"
+            retval=$?
+            if [ $retval -ne 0 ]; then
+                echo "$(pwd)/finish-swig-${curlang}-LLDB.sh failed with exit code $retval"
+                exit $retval
+            fi
         fi
     fi
 done

lldb/source/Interpreter/Makefile

@@ -35,7 +35,7 @@ LLDBWrapPython.cpp lldb.py: $(PROJ_SRC_DIR)/$(LLDB_LEVEL)/scripts/Python/modify-
 
 install-local:: lldb.py
 	$(Echo) Installing $(BuildMode) LLDB python modules
-	$(Verb) "$(PROJ_SRC_DIR)/$(LLDB_LEVEL)/scripts/finish-swig-wrapper-classes.sh" "$(PROJ_SRC_DIR)/$(LLDB_LEVEL)" "$(PROJ_OBJ_DIR)" "$(PROJ_OBJ_DIR)" "" -m
+	$(Verb) "$(PROJ_SRC_DIR)/$(LLDB_LEVEL)/scripts/finish-swig-wrapper-classes.sh" "$(PROJ_SRC_DIR)/$(LLDB_LEVEL)" "$(PROJ_OBJ_DIR)" "$(PROJ_OBJ_DIR)" "$(DESTDIR)$(prefix)" -m
 
 clean-local::
 	$(Verb) $(RM) -f LLDBWrapPython.cpp lldb.py