diff -Paur --no-dereference -- libsqlite3.upstream/shell.c libsqlite3/shell.c
--- libsqlite3.upstream/shell.c
+++ libsqlite3/shell.c
@@ -150,6 +150,10 @@
 #include <sys/types.h>
 #include <sys/stat.h>
 
+#if !defined(FILENAME_MAX) && defined(__sortix__)
+#define FILENAME_MAX 256
+#endif
+
 #if HAVE_READLINE
 # include <readline/readline.h>
 # include <readline/history.h>
@@ -4915,7 +4919,6 @@
 */
 
 #include <stdio.h>
-#include <memory.h>
 #include <string.h>
 #include <assert.h>
 #ifndef OMIT_BASE85_CHECKER
@@ -7540,7 +7543,7 @@
       return 1;
     }
 #endif
-#elif defined(AT_FDCWD) && 0 /* utimensat() is not universally available */
+#elif defined(AT_FDCWD)
     /* Recent unix */
     struct timespec times[2];
     times[0].tv_nsec = times[1].tv_nsec = 0;
@@ -28955,8 +28958,8 @@
 #if !defined(_WIN32_WCE)
   if( getenv("SQLITE_DEBUG_BREAK") ){
     if( isatty(0) && isatty(2) ){
-      eputf("attach debugger to process %d and press any key to continue.\n",
-            GETPID());
+      eputf("attach debugger to process %jd and press any key to continue.\n",
+            (intmax_t)GETPID());
       fgetc(stdin);
     }else{
 #if defined(_WIN32) || defined(WIN32)
diff -Paur --no-dereference -- libsqlite3.upstream/sqlite3.c libsqlite3/sqlite3.c
--- libsqlite3.upstream/sqlite3.c
+++ libsqlite3/sqlite3.c
@@ -15518,6 +15518,9 @@
 
 /* Maximum pathname length.  Note: FILENAME_MAX defined by stdio.h
 */
+#if !defined(FILENAME_MAX) && defined(__sortix__)
+#define FILENAME_MAX 256
+#endif
 #ifndef SQLITE_MAX_PATHLEN
 # define SQLITE_MAX_PATHLEN FILENAME_MAX
 #endif
@@ -38135,6 +38138,45 @@
 # include <sys/param.h>
 #endif /* SQLITE_ENABLE_LOCKING_STYLE */
 
+#ifndef F_SETLK
+#define F_SETLK (-1)
+#define F_SETLKW (-2)
+#define F_GETLK (-3)
+#define F_UNLCK 0
+#define F_RDLCK 1
+#define F_WRLCK 2
+struct flock
+{
+	short l_type;
+	short l_whence;
+	off_t l_start;
+	off_t l_len;
+	pid_t l_pid;
+};
+int fcntl_no_lock(int fd, int cmd, ...)
+{
+	va_list ap;
+	va_start(ap, cmd);
+	int result;
+	if ( cmd == F_SETLK )
+		result = 0;
+	else if ( cmd == F_SETLKW )
+		result = 0;
+	else if ( cmd == F_GETLK )
+	{
+		struct flock* fl = va_arg(ap, struct flock*);
+		fl->l_type = F_UNLCK;
+	}
+	else if ( cmd == F_SETFD )
+		result = fcntl(fd, cmd, va_arg(ap, int));
+	else
+		result = errno = ENOSYS, -1;
+	va_end(ap);
+	return result;
+}
+#define fcntl fcntl_no_lock
+#endif
+
 /*
 ** Try to determine if gethostuuid() is available based on standard
 ** macros.  This might sometimes compute the wrong value for some
@@ -39598,6 +39640,7 @@
 
   /* Otherwise see if some other process holds it.
   */
+#ifdef F_WRLCK
 #ifndef __DJGPP__
   if( !reserved && !pFile->pInode->bProcessLock ){
     struct flock lock;
@@ -39613,6 +39656,7 @@
     }
   }
 #endif
+#endif
 
   sqlite3_mutex_leave(pFile->pInode->pLockMutex);
   OSTRACE(("TEST WR-LOCK %d %d %d (unix)\n", pFile->h, rc, reserved));
@@ -40365,11 +40409,15 @@
   if( pFile->eFileLock > NO_LOCK ){
     pFile->eFileLock = eFileLock;
     /* Always update the timestamp on the old file */
+#if defined(__sortix__)
+    utimens(zLockFile, NULL);
+#else
 #ifdef HAVE_UTIME
     utime(zLockFile, NULL);
 #else
     utimes(zLockFile, NULL);
 #endif
+#endif
     return SQLITE_OK;
   }