If upstream libfdt include files are installed, they clash with the ones in this tree:
HOSTCC tools/aisimage.o
In file included from tools/../include/../lib/libfdt/libfdt.h:10,
from tools/../include/libfdt.h:1,
from tools/fdt_host.h:11,
from tools/imagetool.h:24,
from tools/aisimage.c:8:
/usr/include/libfdt_env.h:70:30: error: conflicting types for ‘fdt64_t’
typedef uint64_t FDT_BITWISE fdt64_t;
^~~~~~~
In file included from <command-line>:
././include/libfdt_env.h:19:16: note: previous declaration of ‘fdt64_t’ was here
typedef __be64 fdt64_t;
^~~~~~~
In file included from ././include/libfdt_env.h:12,
from <command-line>:
/usr/include/libfdt_env.h:90:24: error: expected ‘)’ before ‘x’
static inline uint32_t fdt32_to_cpu(fdt32_t x)
^~~~~~~~~~~~
If upstream libfdt include files are installed, they clash with the ones in this tree: