attached patch should warn user at configure time about missed lilv.h header if non-thirdparty but otherwise default build attempted... 

On Monday, April 11, 2022, Andrew Randrianasulu <randrianasulu@gmail.com> wrote:
pluginlv2config.h:35:10: fatal error: lilv/lilv.h: File o directory non
   35 | #include <lilv/lilv.h>


install lv2 (not just plugins but main package with this header) or add 
 --without-lv2 ... 

On Monday, April 11, 2022, Andrea paz <gamberucci.andrea@gmail.com> wrote:
Always build error. I enclose cin5.log and config.log