Re: Question about dynamic link

[Andreas Jaeger <aj@arthur.rhein-neckar.de>]

>>>>> Tung-Han Hsieh writes:

 > Dear All,
 > I want to test glibc-2.1, but I also want to preserve my stable glibc-2.0.7.
 > I use Debian-2.1, with glibc-2.0.7 installed in the standard path (/lib,
 > /usr/lib). And the glibc-2.1 is installed with prefix /usr/local/gnu. Now
 > I want to have program to use the shared lib in /usr/local/gnu/lib. I 
 > followed the instruction of FAQ:

 > LD_LIBRARY_PATH=/usr/local/gnu/lib /usr/local/gnu/lib/ld-linux.so.2 prog

The FAQ of glibc 2.1.1pre1 mentions to supply the *full* path to prog, 
e.g. /usr/bin/prog.

 > Another question: I wrote a program which use setlocale() of libc and 
 > XSupportLocale() of Xlib. In glibc-2.0.7 it works fine, but if I recompile
 > the program with the above linker options and run the program, the
 > XSupportLocale() returns False (but setlocale() returns OK). Both glibc-2.1
 > and Xlib has the localedata installed I specified (our zh_TW.Big5 locale).
 > I guess that this might be:

 > THH:thhpc $ ldd /usr/X11R6/lib/libX11.so.6.1
 >         libc.so.6 => /lib/libc.so.6 (0x400a6000)
 >         /lib/ld-linux.so.2 => /lib/ld-linux.so.2 (0x2aaaa000)

 > i.e., libX11 dynamically links to /lib/....  Is that true? How do I solve
 > this problem?
Test it with LD_DEBUG - see the FAQ 3.18 for a pointer.
 > I use "glibc-2.1.1pre1" for test.

Andreas
-- 
 Andreas Jaeger   aj@arthur.rhein-neckar.de    jaeger@informatik.uni-kl.de
  for pgp-key finger ajaeger@aixd1.rhrk.uni-kl.de