Re: postgres 7.2 make check problem

On Sun, 10 Mar 2002, Tom Lane wrote:

> "Michael" <michael@insulin-pumpers.org> writes:
> > I am upgrading from 7.1 -> 7.2
> > ./configure  --enable-multibyte=UNICODE
>
> Was your 7.1 installation built with multibyte support?
> (I'm betting not.)
>
That's right. The old version is not mulitbyte and the new one needs to be
for newer applications that require UNICODE.

> > make check >
> /test/regress/./tmp_check/install//usr/local/pgsql/bin/pg_encoding: >
> undefined sy mbol: pg_char_to_encoding initdb: pg_encoding failed
>
> I believe what is happening here is that the dynamic loader is trying
> to link to the installed version of libpq.so (viz, your 7.1 version,
> which I'm guessing has no multibyte support) instead of the newly
> built version that's been placed in the temporary installation.
> pg_regress tries to override the dynamic loader's search path by setting
> LD_LIBRARY_PATH, but that does not work on all platforms.  In
> particular, on Linux I believe the RPATH information placed into the
> executables takes precedence over LD_LIBRARY_PATH.  So, because you've
> got already-installed libraries sitting at the same place where the
> 7.2 libraries will ultimately be installed, those get picked up in
> preference to the right ones.
>
> This is pretty much a catch-22 situation :-(.  AFAICS the only way we
> could make pre-installation "make check" proof against this problem on
> Linux is to not set RPATH in the executables; which would certainly make
> the finished installation less reliable, so it seems like a bad idea
> to do it just to make "make check" work.
>
> If you've got an idea how to get around this problem we'd love to hear
> about it.  In the meantime I think you will have to install at least the
> multibyte-aware libpq.so before you can do "make check".  Or, if you are
> feeling too paranoid to do that, you could rebuild 7.2 with a --prefix
> pointing to someplace different than where 7.1 is installed, so that the
> RPATH search doesn't find the 7.1 library.
>

Well..... my solution was to do

make install
make check

I've already done data dump, I can always go back and reinstall the older
version.

That seems to have worked. I still must check that the applications all
work ok.

Michael