Re: gmake and ccache conspiring together in creating gremlins
Dmitry Goncharov via Bug reports and discussion for GNU make <[email protected]> Mon, 8 Feb 2021 12:51:58 -0500
| Newsgroups | gmane.comp.gnu.make.bugs,gmane.comp.compilers.ccache |
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| Message-ID | <CAG+Z0CvpKaHaZTCFkC2MfxeVFqukO1vMFrS5T7TJQVhLB3XjjQ@mail.gmail.com> |
On Mon, Feb 8, 2021 at 12:36 PM Edward Welbourne <[email protected]> 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