Re: Path to libstdc++

[Manfred Hollstein <manfred dot h at gmx dot net>]

M. Lavasani wrote:
> Hi
> 
> 
> I 've compiled gcc-3.0.3 on HPUX version 11.00. 
> 
> When I use g++ compiler to compile a program it links the binary to 
> "libstdc++". The problem is, it using the full path:
> 
>  /opt/mehdi/gcc11/lib/gcc-lib/hppa2.0n-hp-hpux11.00/3.0.3/../../../libstdc++.sl.3
> 
> That means if I upgrade my compiler the binary will not work anymore unless 
> I compile it with new version.

This was recommended with earlier versions of gcc anyway.

> 
> This is rather sad problem. I compiled gcc for the second time with option:
> 
> 	--disable-version-specific-runtime-libs
> 
> and also set  the :
> 
> 	libsubdir = $(libdir)
> 
> instead of :
> 
> 	libsubdir = $(libdir)/gcc-lib/$(target_alias)/$(version)
> 
> Now when I try to compile my test program again, At first I get :
> 
> 	can not find -lstdc++

I suggested implementing the ``--disable-version-specific-runtime-libs´´
to achieve exactly the behaviour you're trying to get, ie. keep
several versions of the libs installed while switching the "standard"
version of the compiler. It worked perfectly for libg++ and libstdc++,
but nobody has ported it to work with libstdc++-v3 which is used
nowadays. Right now, I'd strongly discourage using the given flag.
If you want to keep different versions of the tools/libraries
installed, you should use different directories for the ``--prefix=´´
for each version.

> 
> and then :
> 
> 	as: warning 2: Unknown option "--traditional-format" ignored.
> 	as: "/var/tmp/ccRlO9Ra.s", line 22: error 1052: Directive name not recognized - NSUBSPA
> 

I guess, you're using HP native tools; you should install GNU
binutils instead and indicate this when configuring GNU gcc using

   --with-gnu-as=/path/to/GNU/as

> 
> The library "-lstdc++" exists in :
> 
> 	/opt/mehdi/gcc11/lib
> 
> I tried to use the soultion in FAQ , but I dn't know where to add the above
> path for g++ to automatically find the path. 
> 
> Any solution please?
> 

HTH, cheers.

l8er
manfred


> Thanks
> 
> 			__Mehdi
> 
> 	
> 


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