Re: psqlodbc build with libpq on OS X

On 08/18/2014 02:50 PM, Sandeep Thakkar wrote:
> Hi
>
> We were building psqlodbc-09.03.0300 on OS  X with configure options as
> "--disable-dependency-tracking --with-iodbc --with-libpq=<PG_INSTALL_PATH>
> --prefix=<INSTALL_PATH>
> " and found that libpq was being linked from /usr/lib and not from the
> $PG_INSTALL_PATH.. May be because the system iodbc-config returns:
>
> $ iodbc-config --libs
> -L/usr/lib  -liodbc -liodbcinst"

Hmm. It seems bogus for iodbc-config to return "-L/usr/lib" in the first
place. Surely /usr/lib is in the default library path, so shouldn't be
printed.

> To make sure it picks the libpq from the Server installation that we built,
> I had to patch configure script:
>
> --
> --- configure.org       2014-08-18 16:22:19.484004002 +0500
> +++ configure   2014-08-18 16:22:55.537736693 +0500
> @@ -4301,7 +4301,7 @@
>                  if test -d "$with_libpq"; then
>                          PATH="$PATH:$with_libpq/bin"
>                          CPPFLAGS="$CPPFLAGS -I$with_libpq/include"
> -                       LDFLAGS="$LDFLAGS -L$with_libpq/lib"
> +                       LDFLAGS="-L$with_libpq/lib $LDFLAGS"
>                  else
>                          if test -x "$with_libpq"; then
>                                  PG_CONFIG=$with_libpq
> --
>
> Does this looks fine?

Well, you'd need to patch "configure.ac", because "configure" is
auto-generated from "configure.ac". However, since this seems like an
iodbc bug to me, I'd suggest that you contact the iodbc people to get it
fixed upstream. Meanwhile, you could write your own iodbc-config
replacement/wrapper script that returns the correct string, "-liodbc
-liodbcinst".

- Heikki