base arch instead of hardcoded x86_64

Author: henderkes

bin/spc-gnu-docker

@@ -74,7 +74,7 @@ RUN echo "source scl_source enable devtoolset-10" >> /etc/bashrc
 RUN source /etc/bashrc
 RUN yum install -y which
 
-RUN curl -fsSL -o patchelf.tgz https://github.com/NixOS/patchelf/releases/download/0.18.0/patchelf-0.18.0-x86_64.tar.gz && \
+RUN curl -fsSL -o patchelf.tgz https://github.com/NixOS/patchelf/releases/download/0.18.0/patchelf-0.18.0-$BASE_ARCH.tar.gz && \
     mkdir -p /patchelf && \
     tar -xzf patchelf.tgz -C /patchelf --strip-components=1 && \
     cp /patchelf/bin/patchelf /usr/bin/