passing on options from parent cmake process to child process

Author: vimanyu

firestore/integration_test_internal/CMakeLists.txt

@@ -170,6 +170,9 @@ if(ANDROID)
     configure_file(abseil-cpp.cmake
       ${CMAKE_CURRENT_LIST_DIR}/external/abseil-cpp/CMakeLists.txt COPYONLY)
     execute_process(COMMAND ${CMAKE_COMMAND} .
+      -G ${CMAKE_GENERATOR}
+      -DCMAKE_TOOLCHAIN_FILE=${CMAKE_TOOLCHAIN_FILE}
+      -DCMAKE_MAKE_PROGRAM=${CMAKE_MAKE_PROGRAM}
       RESULT_VARIABLE result
       WORKING_DIRECTORY ${CMAKE_CURRENT_LIST_DIR}/external/abseil-cpp )
     if(result)