libmagics++-dev: pkg-config-bad-directive usr/lib/x86_64-linux-gnu/pkgconfig/magics.pc -Werror=format-security
libmagics++-dev: pkg-config-bad-directive usr/lib/x86_64-linux-gnu/pkgconfig/magics.pc -O2
libmagics++-dev: pkg-config-bad-directive usr/lib/x86_64-linux-gnu/pkgconfig/magics.pc -O2
