Can not select Internal Builder

[jpechacek80]

Describe the bug
Project Properties--C/C++Build--Builder Type= External Builder
Cannot Select Builder Type Internal Builder, with checkbox unchecked "Generate Makefiles Automatically"

To Reproduce
Steps to reproduce the behavior:

1. Got to: Project Properties--C/C++Build--
2. Select Builder Type= External Builder (dropbox)
3. Go to: Makefile generation
4. Uncheck checkbox "Generate Makefiles Automatically"
5. Go back to Select Builder Type
6. Try to select Internal Builder -- Fail

Expected behavior
When selecting Internal Builder from the Builder type dropbox, (with "Generate Makefiles Automatically" unchecked}
The "Generate Makefiles Automatically" checkbox should box should get checked problematically,
Allowing you to select Internal builder from the dropbox.

Screenshots

**Version Information

• Linux 6.1.0-23-amd64 Debian 6
• Eclipse IDE for C/C++ Developers Version: 2024-06 (4.32.0) Build id: 20240606-1231
• CDT Version 11.6

[shellcreasy]

what is the purpose of selecting internal build runner with "Generate Makefiles Automatically" option unchecked?