[ARMPL] Fix a bug in the installation of ARM Performance Library that was causing the build image fail in isolated environments due to cookbook retrieving GCC dependencies from GCC website rather than ParallelCluster bucket.

Author: gmarciani

cookbooks/aws-parallelcluster-platform/resources/arm_pl/partial/_arm_pl_common.rb

@@ -125,8 +125,9 @@
         rm -rf gcc-#{gcc_version}
         tar -xf #{gcc_tarball}
         cd gcc-#{gcc_version}
-        # Patch the download_prerequisites script to download over https and not ftp. This works better in China regions.
-        sed -i "s#ftp://gcc\.gnu\.org/pub/gcc/infrastructure##{node['cluster']['artifacts_s3_url']}/dependencies/gcc/prerequisites#g" ./contrib/download_prerequisites
+        # Patch the download_prerequisites script to download GCC dependencies from our public bucket.
+        # This is required to support build image in isolated environments.
+        sed -i "s#http://gcc\.gnu\.org/pub/gcc/infrastructure##{node['cluster']['artifacts_s3_url']}/dependencies/gcc/prerequisites#g" ./contrib/download_prerequisites
         ./contrib/download_prerequisites
         mkdir build && cd build
         ../configure --prefix=/opt/arm/armpl/gcc/#{gcc_version} --disable-bootstrap --enable-checking=release --enable-languages=c,c++,fortran --disable-multilib