Mark JOBS_UNSAFE, it tries to use .a files before creating them.
cc -shared -L/usr/local/lib/perl5/5.20/mach/CORE -lperl -L/usr/local/lib -fstack-protector Curve25519.o -o blib/arch/auto/Crypt/Curve25519/Curve25519.so curve25519-donna-master/curve25519-donna-c64.a
curve25519-donna-master/curve25519-donna-c64.a: could not read symbols: Archive has no index; run ranlib to add one
- [blib/arch/auto/Crypt/Curve25519/Curve25519.so] Error code 1
ar cr curve25519-donna-c64.a curve25519-donna-c64.o
: curve25519-donna-c64.a
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