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Eclipse CDT: Skip make / build before Debug / Run

I am debugging a large C project based on a Makefile that takes 15 seconds to run "make" even if no changes are made to the sources. This means that whenever I restart the program, I have to wait 15 seconds before I can even start debugging.

The project was imported via "Import as Existing Project with Makefile" and I use gdb for the debugger.

I want it to run the executable that was last created when I run it again. How do I disable this extra build step (ie Run "make") before each run / debug?

(On the rare occasion that I actually change the source, I am willing to do a manual build / make)

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On the main tab of the debug configuration there is a switch "Disable automatic build"



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Project - Disabling Autobuild does not always mean autoplay is disabled. For example, the test automation plugin "Makegood" starts auto-processing when Preferences - run / debug - run - (general choice). Pre-run build is enabled. So disable it if manual assembly is required.



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In current Eclipse builds such as Oxygen.3, the option to disable automatic builds has been moved to Preferences -> Run / Debug -> Launching, and here "Build (if required) before launch" under General options. Apparently there is no differentiation between doing this just for debugging, generally applies to both regular and debug runs.

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You can turn off the compilation step if the project has not changed, but still want eclipse to compile it differently:

Window> Preferences> C / C ++> Build> "Build configurations only when Eclipse resources change ..."

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