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
