fix: force BUILD_TESTING to inherit RUN_NINJA_TEST value

Author: mayeut

.github/workflows/build.yml

@@ -185,7 +185,7 @@ jobs:
           done
 
       - name: Install SDist
-        run: .venv/bin/pip install --no-binary=ninja $(ls sdist/*.tar.gz)
+        run: .venv/bin/pip install -v --no-binary=ninja $(ls sdist/*.tar.gz)
 
       - name: Test installed SDist
         run: .venv/bin/pip check && .venv/bin/pytest ./tests

CMakeLists.txt

@@ -23,6 +23,8 @@ message(STATUS "")
 message(STATUS "  RUN_NINJA_TEST : ${RUN_NINJA_TEST}")
 message(STATUS "************************************")
 
+set(BUILD_TESTING ${RUN_NINJA_TEST} CACHE INTERNAL "")
+
 add_subdirectory(ninja-upstream)
 
 if(RUN_NINJA_TEST)