Index: src/sqlite3.c
==================================================================
--- src/sqlite3.c
+++ src/sqlite3.c
@@ -31266,11 +31266,11 @@
   { "GetTempPathA",            (SYSCALL)0,                       0 },
 #endif
 
 #define osGetTempPathA ((DWORD(WINAPI*)(DWORD,LPSTR))aSyscall[31].pCurrent)
 
-#if !SQLITE_OS_WINRT && defined(SQLITE_WIN32_HAS_WIDE)
+#if !SQLITE_OS_WINRT && !defined(__CYGWIN__) && defined(SQLITE_WIN32_HAS_WIDE)
   { "GetTempPathW",            (SYSCALL)GetTempPathW,            0 },
 #else
   { "GetTempPathW",            (SYSCALL)0,                       0 },
 #endif
 
@@ -34564,10 +34564,12 @@
 */
 #ifndef SQLITE_WIN32_MAX_PATH
 #  define SQLITE_WIN32_MAX_PATH   (MAX_PATH*3)
 #endif
 
+static int winIsDir(const void *zConverted);
+
 /*
 ** Create a temporary file name in zBuf.  zBuf must be big enough to
 ** hold at pVfs->mxPathname characters.
 */
 static int getTempname(int nBuf, char *zBuf){
@@ -34587,11 +34589,52 @@
 
   if( sqlite3_temp_directory ){
     sqlite3_snprintf(SQLITE_WIN32_MAX_PATH-30, zTempPath, "%s",
                      sqlite3_temp_directory);
   }
-#if !SQLITE_OS_WINRT
+#if defined(__CYGWIN__)
+  else{
+    static const char *azDirs[] = {
+       0,
+       0,
+       0,
+       0,
+       "/var/tmp",
+       "/usr/tmp",
+       "/tmp",
+       "."
+    };
+    const char *zDir;
+    WCHAR zWidePath[MAX_PATH];
+
+    if( !azDirs[0] ) azDirs[0] = getenv("TMPDIR");
+    if( !azDirs[1] ) azDirs[1] = getenv("TMP");
+    if( !azDirs[2] ) azDirs[2] = getenv("TEMP");
+    if( !azDirs[3] ) azDirs[3] = getenv("USERPROFILE");
+    for(i=0; i<sizeof(azDirs)/sizeof(azDirs[0]); i++){
+      zDir = azDirs[i];
+      if( zDir==0 || zDir[0]==0 ) continue;
+      if( zDir[1]!=':' ){
+        cygwin_conv_path(CCP_POSIX_TO_WIN_W, zDir, zWidePath, MAX_PATH);
+        zDir = azDirs[i] = unicodeToUtf8(zWidePath);
+        if( zDir==0 ){
+          OSTRACE(("TEMP-FILENAME rc=SQLITE_IOERR_NOMEM\n"));
+          return SQLITE_IOERR_NOMEM;
+        }
+      }else{
+        /* Convert the filename to the system encoding. */
+        osMultiByteToWideChar(CP_UTF8, 0, zDir, -1, zWidePath,
+                                      MAX_PATH);
+      }
+      if( winIsDir(zWidePath) ){
+        break;
+      }
+      azDirs[i] = ""; /* Don't retry in future call */
+    }
+    sqlite3_snprintf(SQLITE_WIN32_MAX_PATH-30, zTempPath, "%s", zDir);
+  }
+#elif !SQLITE_OS_WINRT
   else if( isNT() ){
     char *zMulti;
     WCHAR zWidePath[MAX_PATH];
     if( osGetTempPathW(MAX_PATH-30, zWidePath)==0 ){
       OSTRACE(("TEMP-FILENAME rc=SQLITE_IOERR_GETTEMPPATH\n"));