Use a private name for MAKEFLAGS in jhalfs, so that it does not propagate

to top make, when ticking "Run the makefile"

common/common-functions

@@ -36,8 +36,10 @@ run_make() {                 #
     # Build the system
     if [ -e "$MKFILE" ] ; then
       echo -ne "Building the system...\n"
+      if { echo try tty; tty; }; then
       cd "$JHALFSDIR" && make
       echo -ne "done\n"
+      else echo there is no terminal!!; fi
     fi
   fi
 }

jhalfs

@@ -368,7 +368,7 @@ if [[ "$OPTIMIZE" != "0" ]]; then
   load_file optimize/opt_config 'Loading optimization config'
   # The number of parallel jobs is taken from configuration now
   # shellcheck disable=SC2034
-  MAKEFLAGS="-j${N_PARALLEL}"
+  JH_MAKEFLAGS="-j${N_PARALLEL}"
   # Validate optimize settings, if required
   validate_opt_settings
 fi

optimize/opt_config.d/noOpt

@@ -9,9 +9,6 @@
 #          doing.  By default, this is set to disable optimization
 #          of packages known to have build or runtime failure.
 #
-#          Also, if you what to use MAKEFLAGS but no build
-#          optimizations, set this mode in DEF_OPT_MODE
-#
 # Usage: - Apply optimization string to each variable
 #        - "unset" will cause the variable to be not set
 #          instead of being just set to null.

optimize/optimize_functions

@@ -18,9 +18,8 @@ validate_opt_settings() {          # Show optimize setting and wait user agreeme
   echo -e "expected, please rebuild without optimizations before"
   echo -e "asking for support.${OFF}\n"
 
-  echo -e "MAKEFLAGS: ${L_arrow}${BOLD}${MAKEFLAGS}${OFF}${R_arrow}"
-  [[ "$MAKEFLAGS" = "unset" ]] && echo
-  [[ "$MAKEFLAGS" != "unset" ]] && \
+  echo -e "MAKEFLAGS: ${L_arrow}${BOLD}${JH_MAKEFLAGS}${OFF}${R_arrow}"
+  [ -n "$JH_MAKEFLAGS" ] && \
   echo -e "BLACK_LIST: ${L_arrow}${BOLD}${BLACK_LIST}${OFF}${R_arrow}\n"
 
   echo -e "DEF_OPT_MODE: ${L_arrow}${BOLD}${DEF_OPT_MODE}${OFF}${R_arrow}\n"
@@ -78,13 +77,13 @@ wrt_makeflags() {                  # Apply MAKEFLAGS to build
   if [[ "$BLACK_LIST" =~ ${pkg} ]]; then
     MKF=unset
   else
-    MKF=$MAKEFLAGS
+    MKF=$JH_MAKEFLAGS
   fi
 
   if [[ "$MKF" != "unset" ]]; then
 (
 cat << EOF
-	@echo "export MAKEFLAGS=\"$MAKEFLAGS\"" >> envars
+	@echo "export MAKEFLAGS=\"$JH_MAKEFLAGS\"" >> envars
 EOF
 ) >> $MKFILE.tmp
   fi