changes in init files

init_hdl.sh

@@ -34,29 +34,42 @@ if [[ "$_" == "${0}" ]]; then
     exit
 fi
 
+# 
+if [ -z "${ALTERA_DIR}" ]; then
+    echo "== environ variable 'ALTERA_DIR' not set. =="
+    echo "should be in your .bashrc file."
+    echo "if it is your .bashrc file but not active run bash in your terminal"
+    exit
+fi
 
 # Figure out where this script is located and set environment variables accordingly
 export RADIOHDL_WORK="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
+echo "HDL environment will be setup for" $RADIOHDL_WORK
+
 # setup paths to build and config dir if not already defined by the user.
+export ARGS_WORK=${ARGS_WORK:-${RADIOHDL_WORK}}
 export HDL_BUILD_DIR=${HDL_BUILD_DIR:-${RADIOHDL_WORK}/build}
-echo "HDL environment will be setup for" $RADIOHDL_WORK
 
 # modelsim uses this sim dir for testing
 export HDL_IOFILE_SIM_DIR=${HDL_IOFILE_SIM_DIR:-${HDL_BUILD_DIR}/sim}
-if ! [[ -e HDL_IOFILE_SIM_DIR ]]; then
+if [[ ! -d "${HDL_IOFILE_SIM_DIR}" ]]; then
     echo "make sim dir"
-    mkdir ${HDL_BUILD_DIR}/sim
+    mkdir "${HDL_IOFILE_SIM_DIR}"
+fi
+# if sim dir not empty, remove all files and dirs
+if [ ! -z "$(ls -A ${HDL_IOFILE_SIM_DIR})" ]; then
+    echo "clear sim dir"
+    rm -r ${HDL_IOFILE_SIM_DIR}/*
 fi
-rm -r ${HDL_BUILD_DIR}/sim/*
 
 # copy git user_componets.ipx into Altera dir's
 for altera_dir in ${ALTERA_DIR}/*; do
-    if [[ -d ${altera_dir} ]] &&  [[ ! -h ${altera_dir} ]]; then
+    if [[ -d "${altera_dir}" ]] &&  [[ ! -h "${altera_dir}" ]]; then
         echo "copy git hdl_user_components.ipx to ${altera_dir}/ip/altera/user_components.ipx"
         cp ${RADIOHDL_WORK}/hdl_user_components.ipx $altera_dir/ip/altera/user_components.ipx
     fi
 done
 
-if [ -z "${RADIOHDL_GEAR}" ]; then
-    . ../radiohdl/init_radiohdl.sh
-fi
+# source also radiohdl and args tools
+. ../radiohdl/init_radiohdl.sh
+. ../args/init_args.sh