# Pastebin J4T2Z45y
ld: error: undefined symbol: __builtin_bswap32
>>> referenced by stdlib_sha1.nim.c
>>>               c_code/1_2/stdlib_sha1.nim.o:(transform_nXAytAbJFaZ9aeQhbOWq40w)

ld: error: undefined symbol: __builtin_bswap32
>>> referenced by stdlib_sha1.nim.c
>>>               c_code/1_2/stdlib_sha1.nim.o:(transform_nXAytAbJFaZ9aeQhbOWq40w)

ld: error: undefined symbol: __builtin_bswap32
>>> referenced by stdlib_sha1.nim.c
>>>               c_code/1_2/stdlib_sha1.nim.o:(transform_nXAytAbJFaZ9aeQhbOWq40w)

ld: error: undefined symbol: __builtin_bswap32
>>> referenced by stdlib_sha1.nim.c
>>>               c_code/1_2/stdlib_sha1.nim.o:(transform_nXAytAbJFaZ9aeQhbOWq40w)

ld: error: undefined symbol: __builtin_bswap32
>>> referenced by stdlib_sha1.nim.c
>>>               c_code/1_2/stdlib_sha1.nim.o:(transform_nXAytAbJFaZ9aeQhbOWq40w)

ld: error: undefined symbol: __builtin_bswap32
>>> referenced by stdlib_sha1.nim.c
>>>               c_code/1_2/stdlib_sha1.nim.o:(transform_nXAytAbJFaZ9aeQhbOWq40w)

ld: error: undefined symbol: __builtin_bswap64
>>> referenced by stdlib_sha1.nim.c
>>>               c_code/1_2/stdlib_sha1.nim.o:(finalize_oGD3DkWwC5i1VP9b2FaR3OA)

ld: error: undefined symbol: __builtin_bswap32
>>> referenced by stdlib_sha1.nim.c
>>>               c_code/1_2/stdlib_sha1.nim.o:(finalize_oGD3DkWwC5i1VP9b2FaR3OA)
collect2: ld returned 1 exit status