Create build directory only if build is performed

Brief Issue Summary

The build directory should NOT be (re)created every time user opens a folder with CMakeLists.txt in VSCode, but only on-demand when actual build is configured/performed.

Expected:

1. mkdir test
2. Create test/CMakeListst.txt

cmake_minimum_required(VERSION 3.10 FATAL_ERROR)
project(test)

1. Explore® to parent of test > right-click on test > Open with Code
2. Close the Code
3. No test/build subdirectory should be created and left dangling as empty cruft!

Apparent Behavior:

1. test/build subdirectory is created, despite it is EMPTY and has NOT been used.

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• Operating System: Windows 10 Version 1709 (Build 16299)
• CMake Version: 3.11
• VSCode Version: 1.22.1
• CMake Tools Extension Version: 0.10.4

[mloskot]

@vector-of-bool using the latest VSCode 1.25.0-insider with the CMake Tools 1.0.1 I no longer see the problem occurring. Thank you!

[vector-of-bool]

I’m going to close this, but re-open it if it is still occurring.