I still find
Creating library file:
.libs/liboctinterp.dll.ainterpfcn/.libs/libinterpfcn.a(data.o): In
function `_Z16do_base64_encodePKcjRPc':
/pub/hg/octave_build/src/../../octave/src/interpfcn/data.cc:7236:
undefined reference to `base64_encode_alloc(char const*, unsigned int,
char**)'
interpfcn/.libs/libinterpfcn.a(data.o): In function
`_Z14Fbase64_decodeRK17octave_value_listi':
/pub/hg/octave_build/src/../../octave/src/interpfcn/data.cc:7380:
undefined reference to `base64_decode_alloc_ctx(base64_decode_context*,
char const*, unsigned int, char**, unsigned int*)'
collect2: ld returned 1 exit status
changeset 5dd599df36de