find $(TOOLCHAIN_BUILD_DIR) -name .git | $(XARGS) rm -rf
find $(TOOLCHAIN_BUILD_DIR) -name .svn | $(XARGS) rm -rf
find $(TOOLCHAIN_BUILD_DIR) -name CVS | $(XARGS) rm -rf
find $(TOOLCHAIN_BUILD_DIR) -name .git | $(XARGS) rm -rf
find $(TOOLCHAIN_BUILD_DIR) -name .svn | $(XARGS) rm -rf
find $(TOOLCHAIN_BUILD_DIR) -name CVS | $(XARGS) rm -rf