Merge pull request #19 from jaynerlin/update_verilator

upgrade the Verilator version to the latest version

Author: Readon

Dockerfile

@@ -89,10 +89,10 @@ RUN git clone https://github.com/ghdl/ghdl-yosys-plugin.git ghdl-yosys-plugin &&
 FROM base AS build-verilator
 
 ENV PREFIX=/opt
-ARG DEPS_VERILATOR="perl make autoconf g++ flex bison ccache libgoogle-perftools-dev numactl perl-doc libfl2 libfl-dev zlib1g zlib1g-dev"
+ARG DEPS_VERILATOR="perl make autoconf g++ flex bison ccache libgoogle-perftools-dev numactl perl-doc libfl2 libfl-dev zlib1g zlib1g-dev help2man"
 RUN apt-get install -y --no-install-recommends $DEPS_VERILATOR
 
-ARG VERILATOR_VERSION="v4.228"
+ARG VERILATOR_VERSION="v5.036"
 RUN git clone https://github.com/verilator/verilator verilator && \
     cd verilator && \
     git checkout $VERILATOR_VERSION && \