Re: Linking with -lc

["H. J. Lu" <hjl at lucon dot org>]

On Wed, May 07, 2003 at 12:47:17PM -0700, H. J. Lu wrote:
> On Wed, May 07, 2003 at 03:38:49PM -0400, Harris, Jeff wrote:
> > The output from the objdump command is:
> > 
> > 00114fa4 g    DF .text  00000894  GLIBC_2.3.2 __muldf3
> 
> This definitely is wrong. __muldf3 in glibc should be for backward
> compatibility only. Someone working on pcc should take a look at
> sysdeps/powerpc/nofpu/Versions and fix them similar to the way in
> sysdeps/powerpc/powerpc32/libgcc-compat.S.
> 
> > 
> > I didn't mention in my original email, but linking with -lgcc before -lc
> > works.  This is what happens when gcc calls ld from the output of gcc -v.
> > 
> 
> I will see if I can reproduce it on Linux/x86. I suspect it is a ppc
> specific bug.
> 

The enclosed testcase works fine on Linux/x86. Please try it on your
ppc box. If it doesn't work for you, that means there is a ppc specific
bug. If it does work for you, you need to provide a small testcase to
show how to reproduce it.


H.J.
--
# make
cc -fPIC   -c -o ref.o ref.c
cc -fPIC   -c -o foo.o foo.c
ld -o foo.so -shared --version-script=foo.v foo.o -rpath .
ar rv foo.a foo.o
r - foo.o
ld -o ref.so -shared ref.o foo.so foo.a -rpath .
cc    -c -o main.o main.c
cc -o main main.o ref.so foo.so

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