diff --git a/news/build-warning.rst b/news/build-warning.rst
new file mode 100644
index 00000000..ef0033fd
--- /dev/null
+++ b/news/build-warning.rst
@@ -0,0 +1,24 @@
+**Added:**
+
+* <news item>
+
+**Changed:**
+
+* <news item>
+
+**Deprecated:**
+
+* <news item>
+
+**Removed:**
+
+* <news item>
+
+**Fixed:**
+
+* fix "absent from setuptools' packages configuration" warnings during python -m build
+* use conda.txt instead of run.txt for conda package dependencies
+
+**Security:**
+
+* <news item>
diff --git a/requirements/run.txt b/requirements/conda.txt
similarity index 100%
rename from requirements/run.txt
rename to requirements/conda.txt
diff --git a/src/diffpy/pdfgui/gui/design/__init__.py b/src/diffpy/pdfgui/gui/design/__init__.py
new file mode 100644
index 00000000..e69de29b
diff --git a/src/diffpy/pdfgui/icons/__init__.py b/src/diffpy/pdfgui/icons/__init__.py
new file mode 100644
index 00000000..e69de29b