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Yes, it's repetitive. But we will have many buildroots, and different architectures for each buildroot.
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Here is the full sequence of commands:
egumtow@aird-b50-srv01 /scratch/egumtow> mkdir buildroot
egumtow@aird-b50-srv01 /scratch/egumtow> cd buildroot
egumtow@aird-b50-srv01 /scratch/egumtow/buildroot> mkdir buildroot-2019.08-2
egumtow@aird-b50-srv01 /scratch/egumtow/buildroot> cd buildroot-2019.08-2
egumtow@aird-b50-srv01 /scratch/egumtow/buildroot/buildroot-2019.08-2> mkdir host
egumtow@aird-b50-srv01 /scratch/egumtow/buildroot/buildroot-2019.08-2> mkdir download
egumtow@aird-b50-srv01 /scratch/egumtow/buildroot/buildroot-2019.08-2> git clone https://github.com/slaclab/buildroot-site.git site-top
egumtow@aird-b50-srv01 /scratch/egumtow/buildroot/buildroot-2019.08-2> wget https://buildroot.org/downloads/buildroot-2019.08.tar.gz
egumtow@aird-b50-srv01 /scratch/egumtow/buildroot/buildroot-2019.08-2> tar xzvf buildroot-2019.08.tar.gz
egumtow@aird-b50-srv01 /scratch/egumtow/buildroot/buildroot-2019.08-2> mv buildroot-2019.08 buildroot-2019.08-2-x86_64
egumtow@aird-b50-srv01 /scratch/egumtow/buildroot/buildroot-2019.08-2> cd buildroot-2019.08-2-x86_64/
egumtow@aird-b50-srv01 /scratch/egumtow/buildroot/buildroot-2019.08-2/buildroot-2019.08-2-x86_64> ln -s ../site-top site