What is the correct way to cause jobserver information to be passed to
child processes? I tried this Makefile:
all:
@echo Jobserver present? $(filter jobserver,$(.FEATURES))
+@sh -c "echo \"make toplevel MAKEFLAGS=${MAKEFLAGS}\""
+@sh -c "echo \"child toplevel MAKEFLAGS=$${MAKEFLAGS}\"
On Mon, 2024-06-10 at 22:14 +0100, Richard Copley wrote:
> What is the correct way to cause jobserver information to be passed
> to
> child processes? I tried this Makefile:
>
> all:
> @echo Jobserver present? $(filter jobserver,$(.FEATURES))
> +@sh -c "echo \"make toplevel MAKEFLAGS=${MAK
> If you provide a limit you'll see different behavior, e.g.:
>
> make -j5
I see, thank you. It might not hurt to mention this in the manual,
obvious though it may seem.
Having passed that hurdle, I see that GCC does not handle the
named-semaphore jobserver in native GNU Make on Windows. (I had
> From: Richard Copley
> Date: Mon, 10 Jun 2024 23:29:28 +0100
> Cc: help-make@gnu.org
>
> Having passed that hurdle, I see that GCC does not handle the
> named-semaphore jobserver in native GNU Make on Windows. (I had to
> read GCC's source to see it, since the error in that case simply says
> "
