Date: Tue, 25 Feb 2003 19:48:02 +0100 From: Jens Rehsack <rehsack@liwing.de> To: "Paul A. Howes" <freebsd-ports@fair-ware.com> Cc: freebsd-ports@freebsd.org Subject: Re: Sablotron/PHP4 build error... Message-ID: <3E5BBA62.1030005@liwing.de> References: <003401c2dcf3$a562e280$0200a8c0@howesnet>
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Paul A. Howes wrote:
> Jens,
>
> The problem is actually in the Sablotron build. "libsablot.so.69" Is
> not linked against libstdc++.so.4 in any way. Sablotron is written in
> C++ and uses the C++ compiler. The "sabcmd" executable is linked
> against libstdc++, which solves the problem local to Sablot, but does
> nothing to help PHP.
>
> If the Sablotron shared library is itself linked against the standard
> C++ library, then both sabcmd and mod_php4 have no trouble using it,
> even though they use different compilers for the link phase.
That is correct and that's why I added '-lstdc++' to the link flags in
the patch I attached at the PR I send last year.
A problem ay occur when someone is trying to compile both using sth.
like 'icc' or so.
Jens
> --
> Paul A. Howes
>
>
> -----Original Message-----
> From: owner-freebsd-ports@FreeBSD.ORG
> [mailto:owner-freebsd-ports@FreeBSD.ORG] On Behalf Of Jens Rehsack
> Sent: Tuesday, February 25, 2003 9:40 AM
> To: Paul A. Howes
> Cc: freebsd-ports@freebsd.org
> Subject: Re: Sablotron/PHP4 build error...
>
>
> other c++ intensive software didn't break, because they're using c++
> even for linking. Compiling www/mod_php4 fails, because php is c source
> which uses cc for compiling and linking.
>
> The error that c++ libraries didn't link against c programs without
> adding the libc++ is at least as old as I can think developing with
> unix. In my lessons on university it was the same with solaris (I made
> homework using watcom c++ and rewrote the makefile on solaris, but using
>
> cc as link command - using either c++ as link command or adding -lstdc++
>
> fixed it).
>
> No, it couldn't be fixed (as far as I know), because link stdc++ it an
> implicit dependency of c++, but not of cc. Adding explicit dependency
> does not has any effect while linking with c++ but fixes the missing
> calls in cc links.
>
>
>
--
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