On Fri, Mar 19, 2021 at 01:24:39PM -0400, Robert Haas wrote:
> On Fri, Mar 19, 2021 at 12:35 PM Justin Pryzby <pry...@telsasoft.com> wrote:
> > I sent offlist a couple of times but notice that the latest patch is missing
> > this bit around AC_CHECK_HEADERS, which apparently can sometimes cause
> > warnings on mac.
> >
> > ac_save_CPPFLAGS=$CPPFLAGS
> > CPPFLAGS="$LZ4_CFLAGS $CPPFLAGS"
> > AC_CHECK_HEADERS(lz4/lz4.h, [],
> > [AC_CHECK_HEADERS(lz4.h, [], [AC_MSG_ERROR([lz4.h header file is
> > required for LZ4])])])
> > CPPFLAGS=$ac_save_CPPFLAGS
>
> Hmm, it's working for me on macOS Catalina without this. Why do we
> need it? Can you provide a patch that inserts it in the exact place
> you think it needs to go?
Working with one of Andrey's patches on another thread, he reported offlist
getting this message, resolved by this patch. Do you see this warning during
./configure ? The latest CI is of a single patch without the LZ4 stuff, so I
can't check its log.
configure: WARNING: lz4.h: accepted by the compiler, rejected by the
preprocessor!
configure: WARNING: lz4.h: proceeding with the compiler's result
--
Justin
