message: Doc: how to build with debug
diff: @@ -41,7 +41,7 @@ sudo apt install unixodbc-dev
  1. At the root of source directory:
  ```bash
  -mkdir -p build; cd build && cmake .. && make -j $(nproc || sysctl -n hw.ncpu || echo 2)
  +mkdir -p build; cd build && cmake .. && make -j $(nproc || sysctl -n hw.ncpu || echo 4)
  ```
  Please use cmake3 to build the project on CentOS 7. You can install it with `yum install cmake3`.
  @@ -71,6 +71,13 @@ mkdir -p build; cd build && cmake .. -DODBC_INCLUDE_DIRECTORIES=/usr/local/inclu
  ```md build && cd build && cmake .. -G "Visual Studio 15 2017 Win64" && cmake --build . -- /m```
  +## Build with tests (needs configured ~/.odbc.ini with DSN=clickhouse_localhost)
  +```mkdir -p build; cd build
  +( cd ../contrib && git clone https://github.com/lexicalunit/nanodbc.git )
  +cmake -G Ninja -DTEST_DSN=clickhouse_localhost -DCMAKE_BUILD_TYPE=Debug -DUSE_DEBUG_17=1 .. && ninja
  +ctest -V```
  +
  +
  ## ODBC configuration
  vim ~/.odbc.ini:
  