https://github.com/void-linux/void-packages/tree/master/srcpkgs/fakeroot/patches
--- a/faked.c
+++ b/faked.c
@@ -121,6 +121,7 @@
 #include <stdlib.h>
 #include <string.h>
 #include <signal.h>
+#include <inttypes.h>
 #ifdef HAVE_STDINT_H
 # include <stdint.h>
 #endif
@@ -514,11 +514,11 @@

 #ifdef FAKEROOT_DB_PATH
     if (find_path(i->buf.dev, i->buf.ino, roots, path))
-      fprintf(f,"mode=%llo,uid=%llu,gid=%llu,nlink=%llu,rdev=%llu %s\n",
+      fprintf(f,"mode=%"PRIo64",uid=%"PRIu64",gid=%"PRIu64",nlink=%"PRIu64",rdev=%"PRIu64" %s\n",
               (uint64_t) i->buf.mode,(uint64_t) i->buf.uid,(uint64_t) i->buf.gid,
               (uint64_t) i->buf.nlink,(uint64_t) i->buf.rdev,path);
 #else
-    fprintf(f,"dev=%llx,ino=%llu,mode=%llo,uid=%llu,gid=%llu,nlink=%llu,rdev=%llu\n",
+    fprintf(f,"dev=%"PRIx64",ino=%"PRIu64",mode=%"PRIo64",uid=%"PRIu64",gid=%"PRIu64",nlink=%"PRIu64",rdev=%"PRIu64"\n",
             (uint64_t) i->buf.dev,(uint64_t) i->buf.ino,(uint64_t) i->buf.mode,
             (uint64_t) i->buf.uid,(uint64_t) i->buf.gid,(uint64_t) i->buf.nlink,
             (uint64_t) i->buf.rdev);
@@ -544,7 +544,7 @@

   while(1){
 #ifdef FAKEROOT_DB_PATH
-    r=scanf("mode=%llo,uid=%llu,gid=%llu,nlink=%llu,rdev=%llu "DB_PATH_SCAN"\n",
+    r=scanf("mode=%"PRIo64",uid=%"PRIu64",gid=%"PRIu64",nlink=%"PRIu64",rdev=%"PRIu64" "DB_PATH_SCAN"\n",
             &stmode, &stuid, &stgid, &stnlink, &strdev, &path);
     if (r != 6)
       break;
@@ -559,7 +559,7 @@
     stdev = path_st.st_dev;
     stino = path_st.st_ino;
 #else
-    r=scanf("dev=%llx,ino=%llu,mode=%llo,uid=%llu,gid=%llu,nlink=%llu,rdev=%llu\n",
+    r=scanf("dev=%"PRIx64",ino=%"PRIu64",mode=%"PRIo64",uid=%"PRIu64",gid=%"PRIu64",nlink=%"PRIu64",rdev=%"PRIu64"\n",
             &stdev, &stino, &stmode, &stuid, &stgid, &stnlink, &strdev);
     if (r != 7)
       break;
@@ -687,7 +688,7 @@ int load_database(const uint32_t remote)
 /*                               */
 /*********************************/
 void debug_stat(const struct fakestat *st){
-  fprintf(stderr,"dev:ino=(%llx:%lli), mode=0%lo, own=(%li,%li), nlink=%li, rdev=%lli\n",
+  fprintf(stderr,"dev:ino=(%"PRIx64":%"PRIu64"), mode=0%lo, own=(%li,%li), nlink=%li, rdev=%"PRIu64"\n",
 	  st->dev,
 	  st->ino,
 	  (long)st->mode,
--- a/libfakeroot.c
+++ b/libfakeroot.c
@@ -81,12 +81,14 @@
 #define SEND_STAT64(a,b,c) send_stat64(a,b,c)
 #define SEND_GET_STAT(a,b) send_get_stat(a,b)
 #define SEND_GET_STAT64(a,b) send_get_stat64(a,b)
+#define SEND_GET_XATTR(a,b,c) send_get_xattr(a,b,c)
 #define SEND_GET_XATTR64(a,b,c) send_get_xattr64(a,b,c)
 #else
 #define SEND_STAT(a,b,c) send_stat(a,b)
 #define SEND_STAT64(a,b,c) send_stat64(a,b)
 #define SEND_GET_STAT(a,b) send_get_stat(a)
 #define SEND_GET_STAT64(a,b) send_get_stat64(a)
+#define SEND_GET_XATTR(a,b,c) send_get_xattr(a,b)
 #define SEND_GET_XATTR64(a,b,c) send_get_xattr64(a,b)
 #endif