The book uses incorrect patch file for the build instructions.
Instruction: liboauth-1.0.3-openssl-1.1.0-3.patch URL file name: liboauth-1.0.3-openssl-1.1.0-2.patch -- http://lists.linuxfromscratch.org/listinfo/blfs-dev FAQ: http://www.linuxfromscratch.org/blfs/faq.html Unsubscribe: See the above information page
