[HOOK - conan-center.py] post_package(): ERROR: [PACKAGE LICENSE (KB-H012)] No 'licenses' folder found in package: /tmp/c3ipr/pr_767_1_0_0/.conan/data/libmad/0.15.1b/_/_/package/e30939caa2339df448fcf9917da7b5ebc54646b6  (https://github.com/conan-io/conan-center-index/wiki/Error-Knowledge-Base#KB-H012) 
[HOOK - conan-center.py] post_package(): ERROR: [LIBTOOL FILES PRESENCE (KB-H018)] Libtool files found (*.la). Do not package *.la files but library files (.a)  (https://github.com/conan-io/conan-center-index/wiki/Error-Knowledge-Base#KB-H018) 
[HOOK - conan-center.py] post_package(): ERROR: [LIBTOOL FILES PRESENCE (KB-H018)] Found files:
./lib/libmad.la (https://github.com/conan-io/conan-center-index/wiki/Error-Knowledge-Base#KB-H018) 
ERROR: [HOOK - conan-center.py] post_package(): Some checks failed running the hook, check the output