From: Gordon Sadler (gbsadler1@lcisp.com)                                      
Subject: Re: c++ problems                                                      
Newsgroups: debian.devel                                                       
Date: 2001-05-14 17:49:06 PST                                                  

On Tue, May 15, 2001 at 07:55:10AM +1000, Craig Sanders wrote:
> any idea what could cause this? is it a bug in the g++-2.95 package,
> perhaps not setting the library path properly or something?
> 
> 
> during the ./configure stage of compiling a new version of galeon, i
> get:
> 
> ...
> checking for c++... c++
> checking whether the C++ compiler (c++  ) works... no
> configure: error: installation or configuration problem: C++ compiler cannot
> create executables.
> make: *** [configure-stamp] Error 1
> 
> 
> # tail config.log 
> configure:1409: checking whether the C++ compiler (c++  ) works
> configure:1425: c++ -o conftest    conftest.C  1>&5
> cpp: -lang-c++: linker input file unused since linking not done
> c++: installation problem, cannot exec `cc1plus': No such file or directory
> configure: failed program was:
> 
> #line 1420 "configure"
> #include "confdefs.h"
> 
> int main(){return(0);}
> 
> 
> 
> there's a problem there already but if i set the PATH so that it can
> find cc1plus by PATH="$PATH:/usr/lib/gcc-lib/i386-linux/2.95.4/", the
> tail of config.log changes to:
> 
> # tail config.log 
> configure:1409: checking whether the C++ compiler (c++  ) works
> configure:1425: c++ -o conftest    conftest.C  1>&5
> cpp: -lang-c++: linker input file unused since linking not done
> ld: cannot open crtbegin.o: No such file or directory
> configure: failed program was:
> 
> #line 1420 "configure"
> #include "confdefs.h"
> 
> int main(){return(0);}
> 
> i have the following gcc & g++ packages installed (these are the latest
> versions available in unstable):
> 
> # dlocate -l gcc\\\|g++ | grep "^ii"
> ii  g++            2.95.3-7       The GNU C++ compiler.
> ii  g++-2.95       2.95.4-0.01050 The GNU C++ compiler.
> ii  gcc            2.95.3-7       The GNU C compiler.
> ii  gcc-2.95       2.95.4-0.01050 The GNU C compiler.
> ii  gcc-3.0        3.0-0pre010427 The GNU C compiler.
> ii  gcc-3.0-base   3.0-0pre010427 The GNU compiler collection (base package).
> ii  libg++2.8.1.3- 2.95.4-0.01050 The GNU C++ extension library - runtime vers
> ii  libgcc0        3.0-0pre010427 Shared libgcc.
> 
If galeon makes use of libtool, I believe I know the problem and a
possible solution.

libstdc++3-dev installs /usr/lib/libstdc++.la with information specific
to building for v3. It will cause your package to try to use both 2.95.x
and 3.x. Bad mixup, Ben C is aware of this and I believe he plans to
rectify it.

Simple solution, remove/move /usr/lib/lib{supc++,stdc++}.la if your are
building a libtool using c++ package intended for gcc 2.95.x and you
have libstdc++3-dev installed.

-- 


Gordon Sadler


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