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clang on macOS and overzealous warnings
While building sysutils/bup on macOS 15, bup's configure (which is not
autoconf) tries to build a small program that invokes a libc routine.
That's pretty normal; it works on other platforms and it works when
building bup on macOS not under pkgsrc.
Under pkgsrc, it errors out:
checking for the mincore function
clang: error: argument unused during compilation: '-L/opt/n0/pkgsrc/sysutils/bup/work/.buildlink/lib' [-Werror,-Wunused-command-line-argument]
clang: error: argument unused during compilation: '-L/opt/n0/pkgsrc/sysutils/bup/work/.buildlink/lib' [-Werror,-Wunused-command-line-argument]
clang: error: argument unused during compilation: '-L/opt/n0/pkgsrc/sysutils/bup/work/.buildlink/lib' [-Werror,-Wunused-command-line-argument]
The problem is that pkgsrc adds -L for the bl3 lib dir, always. In my
view that's fine. But clang objects, I think because there was no -lfoo
later that could have used the search path.
(Separately, I find I need USE_CWRAPPERS=no, or to alter the definition
of cpp.)
I wonder:
- does sysutils/bup build for anyone else?
- does this break other packages?
- opinions about what to do?
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