What happens if the command of a custom_target fails?

[Warren Weckesser]

I'm trying to use meson and ninja (with meson-python) to implement a build system for a Python module that has a lot of extension modules.  I ran into a case where I thought the command of a custom_target should have failed, but the build completes with no errors reported (but the extension modules are not built correctly).  My question now is just a sanity check: what should happen when the command of a custom_target fails?  I'm on Linux, so "'fail" in this case means a nonzero return code from the executable.

Thanks.

Warren

[Warren Weckesser]

On Sun, Sep 3, 2023 at 7:41 PM Warren Weckesser <warren.w...@gmail.com> wrote:

I'm trying to use meson and ninja (with meson-python) to implement a build system for a Python module that has a lot of extension modules.  I ran into a case where I thought the command of a custom_target should have failed, but the build completes with no errors reported (but the extension modules are not built correctly).  My question now is just a sanity check: what should happen when the command of a custom_target fails?  I'm on Linux, so "'fail" in this case means a nonzero return code from the executable.

Never mind.  I had a several things wrong, and the custom_target command was never running.

Warren

 

Thanks.

Warren

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