# NOTE: Using 1.13 as a base to build the RISCV compiler, the resulting version is based on go1.6.
FROM golang:1.13

# Clone and complie a riscv compatible version of the go compiler.
RUN git clone https://review.gerrithub.io/riscv/riscv-go /riscv-go
# riscvdev branch HEAD as of 2019-06-29.
RUN cd /riscv-go && git checkout 04885fddd096d09d4450726064d06dd107e374bf
ENV PATH=/riscv-go/misc/riscv:/riscv-go/bin:$PATH
RUN cd /riscv-go/src && GOROOT_BOOTSTRAP=$(go env GOROOT) ./make.bash
ENV GOROOT=/riscv-go

# Set the base env.
ENV GOOS=linux GOARCH=riscv CGO_ENABLED=0 GOFLAGS='-v -ldflags=-s -ldflags=-w'

# Pre compile the stdlib.
RUN go build -a std

# Add the code to the image.
WORKDIR pty
ADD . .

# Build the lib.
RUN go build