Thanks to Brent Baude <bbaude@redhat.com>, who checked with the debian
guys, that this is correct and provided the patch.
# define LIB_ARCH_TUPLE "ppc64-linux-gnu"
# else
# define native_architecture() ARCHITECTURE_PPC64_LE
# define LIB_ARCH_TUPLE "ppc64-linux-gnu"
# else
# define native_architecture() ARCHITECTURE_PPC64_LE
-# error "Missing LIB_ARCH_TUPLE for PPC64LE"
+# define LIB_ARCH_TUPLE "powerpc64le-linux-gnu"
# endif
#elif defined(__powerpc__)
# if __BYTE_ORDER == __BIG_ENDIAN
# endif
#elif defined(__powerpc__)
# if __BYTE_ORDER == __BIG_ENDIAN