Having the same issue:
pgadmin3: relocation error: pgadmin3: symbol _ZN21wxMemoryFSHandlerBase19AddFileWithMimeTypeERK8wxStringPKvjS2_, version WXU_2.8 not defined in file libwx_baseu-2.8.so.0 with link time reference
...fix suggested by meux did not work for me.
Having the same issue:
pgadmin3: relocation error: pgadmin3: symbol _ZN21wxMemoryFS HandlerBase19Ad dFileWithMimeTy peERK8wxStringP KvjS2_, version WXU_2.8 not defined in file libwx_baseu- 2.8.so. 0 with link time reference
...fix suggested by meux did not work for me.