Do not include python codegen into cmake codegen (#10697)

Author: alexv-smirnov

ydb/core/base/generated/ya.make

@@ -4,34 +4,44 @@ PEERDIR(
     ydb/core/protos
 )
 
-RUN_PROGRAM(
-    ydb/core/base/generated/codegen
-        runtime_feature_flags.h.in
+IF (EXPORT_CMAKE)
+    # No Python codegen in cmake, pregenerate from ya to compile
+    SRCS(
         runtime_feature_flags.h
-    IN runtime_feature_flags.h.in
-    OUT runtime_feature_flags.h
-    OUTPUT_INCLUDES
-        util/system/types.h
-        atomic
-        tuple
-)
-
-RUN_PROGRAM(
-    ydb/core/base/generated/codegen
-        runtime_feature_flags.cpp.in
         runtime_feature_flags.cpp
-    IN runtime_feature_flags.cpp.in
-    OUT runtime_feature_flags.cpp
-    OUTPUT_INCLUDES
-        ydb/core/base/generated/runtime_feature_flags.h
-        ydb/core/protos/feature_flags.pb.h
-)
+    )
+ELSE()
+    RUN_PROGRAM(
+        ydb/core/base/generated/codegen
+            runtime_feature_flags.h.in
+            runtime_feature_flags.h
+        IN runtime_feature_flags.h.in
+        OUT runtime_feature_flags.h
+        OUTPUT_INCLUDES
+            util/system/types.h
+            atomic
+            tuple
+    )
+
+    RUN_PROGRAM(
+        ydb/core/base/generated/codegen
+            runtime_feature_flags.cpp.in
+            runtime_feature_flags.cpp
+        IN runtime_feature_flags.cpp.in
+        OUT runtime_feature_flags.cpp
+        OUTPUT_INCLUDES
+            ydb/core/base/generated/runtime_feature_flags.h
+            ydb/core/protos/feature_flags.pb.h
+    )
+ENDIF()
 
 END()
 
-RECURSE(
-    codegen
-)
+IF (NOT EXPORT_CMAKE)
+    RECURSE(
+        codegen
+    )
+ENDIF()
 
 RECURSE_FOR_TESTS(
     ut