We need to disable linking with glibc in order to build 
libihash, which is a dependency of glibc.
After the flag AC_NO_EXECUTABLES is passed, linking is 
not allowed so we disable those tests.

diff --git a/configure.ac b/configure.ac
index f8856db..a381219 100644
--- a/configure.ac
+++ b/configure.ac
@@ -297,9 +297,9 @@ AC_SUBST([XKB_BASE])
 AC_DEFINE_UNQUOTED([X11_PREFIX], "$X11_PREFIX")
 AC_SUBST([X11_KEYSYMDEF_H])
 
-# Check for Sun RPC headers and library.
+# Check only for Sun RPC headers. We do not need the library yet.
 AC_CHECK_HEADER([rpc/types.h], [HAVE_SUN_RPC=yes], [HAVE_SUN_RPC=no])
-AC_SEARCH_LIBS([clnt_create], [], [:], [HAVE_SUN_RPC=no])
+# AC_SEARCH_LIBS([clnt_create], [], [:], [HAVE_SUN_RPC=no])
 AC_SUBST([HAVE_SUN_RPC])
 
 if test -f ./$ac_unique_file; then