tools/fakeroot: fix build regression on macOS

Signed-off-by: Felix Fietkau <nbd@nbd.name>

tools/fakeroot/patches/301-glibc-2.33-compat-fixes.patch

@@ -0,0 +1,42 @@
+--- a/libfakeroot.c
++++ b/libfakeroot.c
+@@ -1368,7 +1368,8 @@ int renameat(int olddir_fd, const char *
+ #endif /* HAVE_FSTATAT */
+ 
+ 
+-#if defined(__GLIBC__) && __GLIBC_PREREQ(2,33)
++#if defined(__GLIBC__)
++#if __GLIBC_PREREQ(2,33)
+ /* Glibc 2.33 exports symbols for these functions in the shared lib */
+   int lstat(const char *file_name, struct stat *statbuf) {
+      return WRAP_LSTAT LSTAT_ARG(_STAT_VER, file_name, statbuf);
+@@ -1413,6 +1414,7 @@ int renameat(int olddir_fd, const char *
+        return WRAP_MKNODAT MKNODAT_ARG(_STAT_VER, dir_fd, pathname, mode, &dev);
+     }
+   #endif
++#endif /* __GLIBC__ */
+ #endif /* GLIBC_PREREQ */
+ 
+ 
+--- a/configure.ac
++++ b/configure.ac
+@@ -182,6 +182,9 @@ AC_MSG_CHECKING([for type of arg of __xm
+        #include <fcntl.h>
+        #include <unistd.h>
+   ]], [[
++#ifndef __GLIBC__
++#error no extra *
++#endif
+        int __xmknod  ( int ver,
+                        const char *pathname ,
+                        mode_t  mode ,  dev_t *dev);
+@@ -208,6 +211,9 @@ AC_MSG_CHECKING([for type of arg of __xm
+        #include <fcntl.h>
+        #include <unistd.h>
+   ]], [[
++#ifndef __GLIBC__
++#error no extra *
++#endif
+        int __xmknodat  ( int ver,
+                          int dirfd,
+                          const char *pathname ,