Be more verbose in destpath error in build_ext.build_extension.

README.md

@@ -56,6 +56,10 @@ Mebuex is licensed under the MIT license (see the LICENSE file).
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+### [1.1.4] - 2023-05-04
+#### Changed
+ - Be more verbose on `destpath` error in `build_ext.build_extension`.
+
 ### [1.1.3] - 2023-04-14
 #### Added
  - Add example project in `example/` subfolder.

mebuex/build_ext.py

@@ -72,7 +72,9 @@ def build_extension(self, ext):
                 raise RuntimeError("Cannot copy built extension because the "
                                    "target directory does not exist. This "
                                    "likely indicates a missing sub-package in "
-                                   "the setup configuration.")
+                                   "the setup configuration.\nMore info:\n"
+                                   "  destpath: '" + str(destpath) + "'\n"
+                                   "  pdir:     '" + str(pdir) + "'")
             destname = (destpath / filename).resolve()
             copy_file((Path(buildpath) / filename).resolve(),
                       destname, verbose=self.verbose,

pyproject.toml

@@ -3,7 +3,7 @@ requires = ["setuptools>=61"]
 
 [project]
 name = "mebuex"
-version = "1.1.3"
+version = "1.1.4"
 authors = [
     {name = "Malte J. Ziebarth", email = "mjz.science@fmvkb.de"},
 ]