Fixed reliability problem with absolute paths.

run_synth.sh

@@ -18,4 +18,4 @@ cd $1
 
 name=$( echo $1 | sed 's|.*[0-9]\{2\}:[0-9]\{2\}:[0-9]\{2\}/\(.*\)|\1|' )
 printf "    Starting systhesis ($(date +%H:%M:%S)): '$name'\n"
-dc_shell-t -f sim.tcl 1>/dev/null
+dc_shell-t -f sim.tcl 1>log.txt 2>&1

sweep.bash

@@ -5,6 +5,9 @@
 # both clock constraints and VHDL design generics. The tool is used by setting
 # the global sweeping settings, found just bellow this note, and the results are
 # put in a newly created directory named 'sweep_<design_name>_<date_of_sweep>'.
+# Any library settings etc that is to be shared among sweeps are to be put in
+# the local configuration file '.synopsys_dc.setup' which is sourced by all
+# instances of Design Compiler.
 # Use the script at your own risk or whatever...
 #
 # Author: Mikael Henriksson
@@ -57,7 +60,7 @@ if [ "${#DESIGN_FILES[@]}" -lt 1 ]; then
     echo "Error: No design files (DESIGN_FILES) provided." && exit -1
 fi
 for file in "${DESIGN_FILES[@]}"; do
-    if ! [ -f "$file" ]; then
+    if [ -f "$file" ]; then
         echo "Error: Could not locate design file '$file'." && exit -1
     fi
 done
@@ -79,6 +82,12 @@ TOP_DIR="sweep_${DESIGN_NAME}_${SCRIPT_LAUNCH_DATE}"
 echo "Creating top directory: $TOP_DIR"
 mkdir "$TOP_DIR" || "Error: failed to create top directory." || exit -1
 
+# Get the absolute path of the design file, which is necessary for the sweep.
+DESIGN_FILES_ABSOLUTE=()
+for file in "${DESIGN_FILES[@]}"; do
+    DESIGN_FILES_ABSOLUTE+=("$(realpath $file)")
+done
+
 # Initialize designs. We create one sub directory from each design that is
 # to be sweept. One design is one design file with one generic setting. Further
 # we substitue design options into 'template.tcl' and copy the resulting
@@ -94,13 +103,18 @@ for design_generics in "${GENERICS[@]}"; do
 
         # Generate synthesis script from template.
         cat "template.tcl" |\
-          sed "s#__HDL_FILES__#${DESIGN_FILES[@]}#" |\
+          sed "s#__HDL_FILES__#${DESIGN_FILES_ABSOLUTE[@]}#" |\
           sed "s/__PERIOD__/$period/" |\
           sed "s/__CLK_NAME__/$CLOCK_NAME/" |\
           sed "s/__DESIGN_GENERICS__/$design_generics/" |\
           sed "s/__DESIGN_NAME__/$DESIGN_NAME/" >\
             "$sub_dir/sim.tcl"
 
+        # Possibly copy the Design Compiler local setup file.
+        if [ -f ".synopsys_dc.setup" ]; then
+            cp ".synopsys_dc.setup" $sub_dir/
+        fi
+
         # Append new synthesis directory to sweep list.
         SYNTH_DIRS="$sub_dir|$SYNTH_DIRS"
     done