[CentOS] Trying to compile, incompatible libraries? Cento4

+++ Edward Croft [Tue Jul 19, 2005 at 01:42:50PM -0400]:
> I get the errors:
> zip4_lnx.a(generic.o)(.text+0xb16): more undefined references to
> `__ctype_b' follow
> zip4_lnx.a(libdl.so): undefined reference to `_dl_close at GLIBC_2.0'
> zip4_lnx.a(libdl.so): undefined reference to `_dl_catch_error at GLIBC_2.0'
> zip4_lnx.a(libdl.so): undefined reference to `_dl_addr at GLIBC_2.0'
> zip4_lnx.a(libdl.so): undefined reference to
> `_dl_lookup_versioned_symbol_skip at GLIBC_2.0'
> zip4_lnx.a(libdl.so): undefined reference to
> `_dl_lookup_versioned_symbol at GLIBC_2.0'
> zip4_lnx.a(libdl.so): undefined reference to `_dl_lookup_symbol at GLIBC_2.0'
> zip4_lnx.a(libdl.so): undefined reference to `_dl_loaded at GLIBC_2.1'
> zip4_lnx.a(libdl.so): undefined reference to `_dl_open at GLIBC_2.0'
> zip4_lnx.a(libdl.so): undefined reference to `_dl_signal_error at GLIBC_2.0'
> zip4_lnx.a(libdl.so): undefined reference to `_dl_global_scope at GLIBC_2.0'
> zip4_lnx.a(libdl.so): undefined reference to `_dl_lookup_symbol_skip at GLIBC_2.0'
> 
> I have the compatibility libraries installed. I have tried using
> gcc296, gcc, and gcc4 and still get the message. The
> library,libdl.so.2 is in /lib with a symlink to /usr/lib/libdl.so
> Using CentOS 4.0.

does libdl.so.2 have _dl_lookup_symbol included? Could nm the libs in the
path to ensure that these symbols are correctly being found and linked?