On Mon, Feb 8, 2021 at 12:36 PM Edward Welbourne <edward.welbou...@qt.io> wrote:
> Sounds to me like that's a bug: when the descriptors are closed, the
> part of MAKEFLAGS that claims they're make's jobserver file descriptors
> should be removed, since that's when the claim stops being true.

make uses posix_spawn by default to create children.
posix_spawn makes it difficult to modify env per child.
As a workaround the user can have the recipe remove (or modify) MAKEFLAGS
E.g.

%.o: %.c ; unset MAKEFLAGS && $(CC)  $(CFLAGS) -o $@ -c $<

regards, Dmitry

  • Re: gmake and... Dmitry Goncharov via Bug reports and discussion for GNU make

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