discover lib/camlidl.libs.sexp,lib/fuse.cflags.sexp,lib/fuse.libs.sexp
sh: line 1: opam: command not found
         gcc lib/Unix_util_stubs.o
Unix_util_stubs.c: In function ‘unix_util_fchdir’:
Unix_util_stubs.c:116:3: warning: ignoring return value of ‘fchdir’ declared with attribute ‘warn_unused_result’ [-Wunused-result]
  116 |   fchdir(Int_val(fd));
      |   ^~~~~~~~~~~~~~~~~~~
  ocamlmklib lib/dllfuse_stubs.so,lib/libfuse_stubs.a
Unknown option -pthread