Compatibilité GLIBC
La documentation précise :
Il faut donc remplacer inotify_init1 par inotify_init dans filenotify.c
inotify_init() first appeared in Linux 2.6.13; library support was
added to glibc in version 2.4. inotify_init1() was added in Linux
2.6.27; library support was added to glibc in version 2.9.