pmt: initial 2.7.0 update

build/bash/check-makefiles

@@ -14,7 +14,8 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-[ ! "${THIS_IS}" = "main" ] && abort "The caller is not the main makefile. Something's wrong."
+[ ! "${THIS_IS}" = "main" ] \
+&& abort "The caller is not the main makefile. Something's wrong."
 
 try_with="Try with force mode (FORCE_GEN=true)."
 
@@ -24,7 +25,7 @@ else
     mfiles=("${OUT_DIR}/Makefile" "${SOURCE_DIR}/Makefile")
 fi
 
-for mfile in ${mfiles[0]} ${mfiles[1]}; do
+for mfile in ${mfiles[@]}; do
 
     [ -f "${mfile}" ] && \
     if [ "${FORCE_GEN}" = "true" ]; then