On Tue, Jul 31, 2018 at 8:10 AM, Iain Buclaw <ibuc...@gdcproject.org> wrote: > On 31 July 2018 at 16:33, Ian Lance Taylor <i...@google.com> wrote: >> On Sun, Jul 29, 2018 at 7:50 AM, Iain Buclaw <ibuc...@gdcproject.org> wrote: >>> >>> This is really to suppress the default action-if-found for >>> AC_CHECK_LIBS. Zlib is not a dependency of libbacktrace, and so it >>> shouldn't be added to LIBS. When looking at the check, saw that could >>> remove the test for ac_cv_lib_z_compress also. >> >> Thanks, but this doesn't seem like quite the right approach, as seen >> by the fact that HAVE_ZLIB_H was dropped from config.h.in. I think >> you need to keep the AC_DEFINE out of the AC_CHECK_LIB. I would guess >> that it would work to just change the default case of AC_CHECK_LIB to >> [;] or something similarly innocuous. >> >> Ian > > May I ask you to look at the patch again? There's two similarly named > variables here, HAVE_LIBZ and HAVE_ZLIB. > > Only the unused HAVE_LIBZ has been dropped from config.h.in. The one > that matters has been left alone, or at least I'm pretty sure of.
Ah, got it. Sorry about that. The patch is OK with a ChangeLog entry. Thanks. Ian