Use a friendlier error when sdcc is not found

1 files changed, 6 insertions, 3 deletions

diff --git a/tools/mkdeps.py b/tools/mkdeps.py
index 455dd06..8881cf0 100755
--- a/tools/mkdeps.py
+++ b/tools/mkdeps.py
@@ -60,9 +60,12 @@ def main():
     for d in sorted(glob.glob(os.path.join(args.dir, "*.c"))):
         if args.verbose:
             print("running %r" % " ".join(cmd + [d]))
-        out = subprocess.run(cmd + [d], stdout=subprocess.PIPE, stderr=subprocess.PIPE)
-        if out.returncode:
-            sys.exit("Error: %s" % out.stderr)
+        try:
+            out = subprocess.run(cmd + [d], stdout=subprocess.PIPE, stderr=subprocess.PIPE)
+            if out.returncode:
+                sys.exit("Error: %s" % out.stderr)
+        except FileNotFoundError:
+            sys.exit(f"Error: {cmd[0]} not found in the PATH")
 
         out = out.stdout.decode("utf-8").strip("\n\r")
         result.append(re.sub(FIX_RE, fix_path, out))