Merge pull request matplotlib#28352 from QuLogic/cf-compiler

Add compilers to conda environment

Author: tacaswell

.appveyor.yml

@@ -63,7 +63,7 @@ install:
 test_script:
   # Now build the thing..
   - set LINK=/LIBPATH:%cd%\lib
-  - pip install -v --no-build-isolation --config-settings=setup-args="--vsenv" --editable .[dev]
+  - pip install -v --no-build-isolation --editable .[dev]
   # this should show no freetype dll...
   - set "DUMPBIN=%VS140COMNTOOLS%\..\..\VC\bin\dumpbin.exe"
   - '"%DUMPBIN%" /DEPENDENTS lib\matplotlib\ft2font*.pyd | findstr freetype.*.dll && exit /b 1 || exit /b 0'

environment.yml

@@ -11,6 +11,8 @@ channels:
 dependencies:
   # runtime dependencies
   - cairocffi
+  - c-compiler
+  - cxx-compiler
   - contourpy>=1.0.1
   - cycler>=0.10.0
   - fonttools>=4.22.0