Not trying to use old visual compiler

molmod · Aug 29, 2017 · 9cf327b · 9cf327b
1 parent fb4b014
commit 9cf327b
Showing 1 changed file with 5 additions and 2 deletions.
diff --git a/.appveyor.yml b/.appveyor.yml
@@ -10,8 +10,11 @@ environment:
     GITHUB_REPO_NAME: molmod/yaff
 
   matrix:
-    - PYTHON_VERSION: 2.7
-      CONDA: C:\Miniconda
+# It is not possible to compile the Yaff extension on Windows for Python 2.7 because
+# Python 2.7 on Windows is built with an old visual compiler, which does not even support
+# C99! The C99 standard is extensively used in the Yaff extension.
+#    - PYTHON_VERSION: 2.7
+#      CONDA: C:\Miniconda
 
     - PYTHON_VERSION: 3.6
       CONDA: C:\Miniconda36