On 27-May-99 Tom Lane wrote:
> Vince Vielhaber <vev@michvhf.com> writes:
>> I've just discovered that libpq++'s makefile uses whatever is defined as
>> CXX for the compiler.
>
> As it should ...
>
>> When I force it to use g++28 (ver 2.8.1), it misses /usr/include/g++.
>> Adding that to the list of CXXFLAGS fixes that. Now then.. Will it
>> break something on another platform if I were to leave that in the
>> list?
>
> Absolutely. For example: if someone has both g++ and a vendor C++
> compiler installed, and tries to compile with the vendor C++, that
> would fail because you'd be forcing the vendor C++ to try to eat
> g++-specific include files.
>
> The right place to fix any problem along this line is in configure,
> *not* by hardwiring platform-dependent assumptions into libpq++'s
> makefile.
>
> If it's actually necessary to do what you suggest, then the way to
> do it would be for configure to add -I/usr/include/g++ to CXXFLAGS
> after checking that CXX is g++. However, I misdoubt that you have
> diagnosed the problem correctly, because the versions of gcc/g++
> that I've used automatically include their private include areas into
> the -I list. This smells more like an incorrect installation of
> g++ than a problem that Postgres ought to be solving.
>
> regards, tom lane
More than likely this is the case. FreeBSD comes with a version of gcc
and g++ installed. In this case it's 2.7.2.1. In ports/packages it has
gcc-2.8.1, but being pressed for time I installed the package (20 mins
before trying to build with it). I was a bit surprised to see that it
installed in /usr/local/bin and didn't even put a link in /usr/local/include
or /usr/local/lib, so I probably need to look into the installation more.
The makefile *is* doing a test for g++ tho (it was already there, I didn't
do it :)
Fortunately xemacs saves a backup of the file you're working on with a ~
tacked onto the end. That saved me some work (I have a tape backup but
didn't really want to have to restore from it). I'm referring to libpq++.sgml
that I'm about to send to TommyG before I wipe it out again.
Vince.
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