--- CURL-7.15.5.orig/configure	(revision 1298)
+++ CURL-7.15.5/configure	(working copy)
@@ -11254,6 +11254,16 @@
   need_version=no
   library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
   soname_spec='${libname}${release}${shared_ext}$major'
+  case $LDFLAGS in
+  -m64*)
+     isa_info=`isainfo`
+     case $isa_info in
+     amd64*) libsuff="/amd64" ;;
+     sparcv9*) libsuff="/sparcv9" ;;
+     esac
+     ;;
+   -m32*) libsuff= ;;
+  esac
   shlibpath_var=LD_LIBRARY_PATH
   shlibpath_overrides_runpath=yes
   hardcode_into_libs=yes