Fix shared library creation on QNX

--HG--
extra : convert_revision : svn%3Ac70aab31-4412-0410-b14c-859654838e24/trunk%40216

ltconfig

@@ -2216,6 +2216,17 @@ sysv4*MP*)
 *)
   dynamic_linker=no
   ;;
+
+nto-qnx)
+  version_type=linux
+  need_lib_prefix=no
+  need_version=no
+  library_names_spec='${libname}${release}.so$versuffix ${libname}${release}.so$major $libname.so'
+  soname_spec='${libname}${release}.so$major'
+  shlibpath_var=LD_LIBRARY_PATH
+  shlibpath_overrides_runpath=yes
+  deplibs_check_method='pass_all'
+  ;;
 esac
 echo "$ac_t$dynamic_linker" 1>&6
 test "$dynamic_linker" = no && can_build_shared=no