Date: Tue, 25 Feb 2003 15:39:51 +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: <3E5B8037.90901@liwing.de> References: <001c01c2dccb$a2a52940$0200a8c0@howesnet>
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Paul A. Howes wrote:
> All,
>
> I updated mod_php4 to 4.3.1 last night and ran into a linker problem.
> It seems that the Sablotron XSL shared library does not link against
> libstdc++.so by default. There is a PR (45759) against this problem
> that dates back to November 2002. There are a few other, related, PRs
> in the system that reference both Sablotron and mod_php4. One of the
> PRs blamed the cause on a breakage in one of the GCC vendor imports, but
> I do not have trouble building other C++ intensive software, such as Qt,
> KDE, etc.
Hi Paul,
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).
> I do not mind adding an explicit "-lstdc++" to the Sablotron build, but
> I cannot be the only person experiencing this issue. Is this something
> that will be fixed in the near future?
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.
So long,
Jens
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