Use a variant_dir when building gears.dll so building the different ports...

gears/SConscript.sqlite

 # Copyright (c) 2008 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 # Ripped and modded from chrome.
 
 Import('env')
 
 env = env.Clone(
 )
@@ skipping 49 matching lines @@
           '/wd4018',
           '/wd4146',
       ],
   )
 
 input_files = [
     '$SQLITE_DIR/src/alter.c',
     '$SQLITE_DIR/src/analyze.c',
     '$SQLITE_DIR/src/attach.c',
     '$SQLITE_DIR/src/auth.c',
+    '$SQLITE_DIR/src/bitvec.c',
     '$SQLITE_DIR/src/btree.c',
+    '$SQLITE_DIR/src/btmutex.c',
     '$SQLITE_DIR/src/build.c',
     '$SQLITE_DIR/src/callback.c',
     '$SQLITE_DIR/src/complete.c',
     '$SQLITE_DIR/src/date.c',
     '$SQLITE_DIR/src/delete.c',
     '$SQLITE_DIR/src/expr.c',
+    '$SQLITE_DIR/src/fault.c',
+    '$SQLITE_DIR/src/global.c',
+    '$SQLITE_DIR/src/journal.c',
     '$SQLITE_DIR/ext/fts1/fts1.c',
     '$SQLITE_DIR/ext/fts1/fts1_hash.c',
 #    '$SQLITE_DIR/ext/fts1/fts1_icu.c',
     '$SQLITE_DIR/ext/fts1/fts1_porter.c',
 #    '$SQLITE_DIR/ext/fts1/fts1_tokenizer.c',
     '$SQLITE_DIR/ext/fts1/fts1_tokenizer1.c',
     '$SQLITE_DIR/ext/fts2/fts2.c',
     '$SQLITE_DIR/ext/fts2/fts2_hash.c',
 #    '$SQLITE_DIR/ext/fts2/fts2_icu.c',
     '$SQLITE_DIR/ext/fts2/fts2_porter.c',
-#    '$SQLITE_DIR/ext/fts2/fts2_tokenizer.c',
+    '$SQLITE_DIR/ext/fts2/fts2_tokenizer.c',
     '$SQLITE_DIR/ext/fts2/fts2_tokenizer1.c',
     '$SQLITE_DIR/src/func.c',
     '$SQLITE_DIR/src/hash.c',
     '$SQLITE_DIR/src/insert.c',
     '$SQLITE_DIR/src/legacy.c',
     '$SQLITE_DIR/src/loadext.c',
     '$SQLITE_DIR/src/main.c',
     '$SQLITE_DIR/src/malloc.c',
+    '$SQLITE_DIR/src/mem1.c',
+    '$SQLITE_DIR/src/mem2.c',
+    '$SQLITE_DIR/src/mem3.c',
+    '$SQLITE_DIR/src/mem4.c',
+    '$SQLITE_DIR/src/mem5.c',
+    '$SQLITE_DIR/src/mem6.c',
+    '$SQLITE_DIR/src/sqlite_mutex.c',
+    '$SQLITE_DIR/src/mutex_os2.c',
+    '$SQLITE_DIR/src/mutex_unix.c',
+    '$SQLITE_DIR/src/mutex_w32.c',
     '$SQLITE_DIR/preprocessed/opcodes.c',
     '$SQLITE_DIR/src/os.c',
     '$SQLITE_DIR/src/os_win.c',
     '$SQLITE_DIR/src/pager.c',
     '$SQLITE_DIR/preprocessed/parse.c',
     '$SQLITE_DIR/src/pragma.c',
     '$SQLITE_DIR/src/prepare.c',
     '$SQLITE_DIR/src/printf.c',
     '$SQLITE_DIR/src/random.c',
     '$SQLITE_DIR/src/select.c',
+    '$SQLITE_DIR/src/status.c',
 #    '$SQLITE_DIR/src/shell.c',
     '$SQLITE_DIR/src/table.c',
     '$SQLITE_DIR/src/tokenize.c',
     '$SQLITE_DIR/src/trigger.c',
     '$SQLITE_DIR/src/update.c',
     '$SQLITE_DIR/src/utf.c',
     '$SQLITE_DIR/src/util.c',
     '$SQLITE_DIR/src/vacuum.c',
     '$SQLITE_DIR/src/vdbe.c',
     '$SQLITE_DIR/src/vdbeapi.c',
     '$SQLITE_DIR/src/vdbeaux.c',
     '$SQLITE_DIR/src/vdbeblob.c',
     '$SQLITE_DIR/src/vdbefifo.c',
     '$SQLITE_DIR/src/vdbemem.c',
     '$SQLITE_DIR/src/vtab.c',
     '$SQLITE_DIR/src/where.c',
 ]
 
 env.ChromeStaticLibrary('sqlite-gears', input_files)