Try forcing Ninja generator via CMAKE_GENERATOR

Author: langmm

conda.recipe/recipe.yaml

@@ -16,7 +16,7 @@ build:
   number: 0
   script:
     - if: unix
-      then: 'SKBUILD_CMAKE_ARGS="-G Ninja" && ${{ PYTHON }} -m pip install . --no-deps --ignore-installed -vv --config-settings=cmake.define.RAPIDJSON_INCLUDE_DIRS=rapidjson/include '
+      then: 'CMAKE_GENERATOR="Ninja" ${{ PYTHON }} -m pip install . --no-deps --ignore-installed -vv --config-settings=cmake.define.RAPIDJSON_INCLUDE_DIRS=rapidjson/include '
     - if: win
       then:
         - 'set "SKBUILD_CMAKE_ARGS=-G Ninja"'

recipe/meta.yaml

@@ -16,7 +16,7 @@ source:
 
 build:
   number: 0
-  script: 'SKBUILD_CMAKE_ARGS="-G Ninja" && {{ PYTHON }} -m pip install . --no-deps --ignore-installed -vv --config-settings=cmake.define.RAPIDJSON_INCLUDE_DIRS=rapidjson/include '  # [unix]
+  script: 'CMAKE_GENERATOR="Ninja" {{ PYTHON }} -m pip install . --no-deps --ignore-installed -vv --config-settings=cmake.define.RAPIDJSON_INCLUDE_DIRS=rapidjson/include '  # [unix]
   script: 'set "SKBUILD_CMAKE_ARGS=-G Ninja" && {{ PYTHON }} -m pip install . --no-deps --ignore-installed -vv --config-settings=cmake.define.RAPIDJSON_INCLUDE_DIRS=rapidjson/include '  # [win]
 
 requirements: