diff --git a/manifest b/manifest
index 7ffe812e40..7e10a13c49 100644
--- a/manifest
+++ b/manifest
@@ -1,5 +1,5 @@
-C Fix\sthe\samalgamation\sgenerator\sso\sthat\sall\snon-API\sfunctions\shave\sfile\sscope.\s(CVS\s3958)
-D 2007-05-08T20:37:39
+C Disable\stracing\spragmas\swhen\snot\sin\sdebug\smode.\s\sThis\seliminates\san\sexternal\ndependency\son\sstdout.\s(CVS\s3959)
+D 2007-05-08T20:59:49
 F Makefile.in 87b200ad9970907f76df734d29dff3d294c10935
 F Makefile.linux-gcc 2d8574d1ba75f129aba2019f0b959db380a90935
 F README 9c4e2d6706bdcc3efdd773ce752a8cdab4f90028
@@ -64,7 +64,7 @@ F src/auth.c 902f4722661c796b97f007d9606bd7529c02597f
 F src/btree.c dca996d45f1b8a87c86d0ec22a7ef6ca8c1ab805
 F src/btree.h 8444af0c82c0e878b5ce8a6eb345904830e678a5
 F src/btreeInt.h cb3c0e9eb842d06079a62cdf3492c90c5db7ba75
-F src/build.c 83ae5b1f806e7abe323e9c6d32c9e80a5bab1ad7
+F src/build.c 5789303291d40a1d37bfede83c1c769be22c88ab
 F src/callback.c 9c12535669a638f90a67e10440b99c7b93c0fbf4
 F src/complete.c 7d1a44be8f37de125fcafd3d3a018690b3799675
 F src/date.c 263ef5b81b4ffdd80e8a830645798967bbbcfd05
@@ -95,7 +95,7 @@ F src/os_win.h 41a946bea10f61c158ce8645e7646b29d44f122b
 F src/pager.c c5b32e741fb73930b6ec3d886ea680a3de3be5f7
 F src/pager.h db31691786504625e7e25c8cde4f40779ba209d9
 F src/parse.y fe7efcbf0ef1727cb2c08c1a10869b4ac9d5e71d
-F src/pragma.c b881b457170d4922893f59b1caaac98f8e4192e2
+F src/pragma.c 0703152b9edd6601eea95e1d474b3bc2962d7920
 F src/prepare.c 87c23644986b5e41a58bc76f05abebd899e00089
 F src/printf.c 67de0dcb40ef3297f4a047b434b81585c0f7062d
 F src/random.c 6119474a6f6917f708c1dee25b9a8e519a620e88
@@ -132,11 +132,11 @@ F src/update.c 3359041db390a8f856d67272f299600e2104f350
 F src/utf.c 168fe53589e2d0faec053af098c0d02e6a7690a8
 F src/util.c 4f6bbcec2b2b1884d652b82c9f8949ede4618d68
 F src/vacuum.c 8bd895d29e7074e78d4e80f948e35ddc9cf2beef
-F src/vdbe.c 4e4951b6906065eee74d89f7fedc1e4bddc738d7
+F src/vdbe.c a24290221c20a2c5436f79bc52a9271457138416
 F src/vdbe.h a6c910b7361c927bd516d5a76de9278fe6703ce7
-F src/vdbeInt.h 77a17f1a8bcbbb660bf4515c78d74280b4e8be5c
+F src/vdbeInt.h 095222fefd7343893cb7e2da7473590b58fb0aad
 F src/vdbeapi.c 120e04492e98e3cfd5545dd7130c76987e40e8b3
-F src/vdbeaux.c c432e17fef6efaf102d507e979cee4e47f6ceac4
+F src/vdbeaux.c 62011e2ccf5fa9b3dcc7fa6ff5f0e0638d324a70
 F src/vdbeblob.c 96f3572fdc45eda5be06e6372b612bc30742d9f0
 F src/vdbefifo.c 3ca8049c561d5d67cbcb94dc909ae9bb68c0bf8f
 F src/vdbemem.c f9ef7a16993130e610dd994a1a76b1e831857e27
@@ -486,7 +486,7 @@ F www/tclsqlite.tcl bb0d1357328a42b1993d78573e587c6dcbc964b9
 F www/vdbe.tcl 87a31ace769f20d3627a64fa1fade7fed47b90d0
 F www/version3.tcl 890248cf7b70e60c383b0e84d77d5132b3ead42b
 F www/whentouse.tcl fc46eae081251c3c181bd79c5faef8195d7991a5
-P 21299b917812920c70001c2d3d9b65f66eca6b24
-R f5e11c4825810592f7823911f802a794
+P e9f56ead0514f3eac75807ea710c1f035b8add4f
+R fee0a386491a138dc132cc38920c0e49
 U drh
-Z 94aa2a64018d167955147d322be81e07
+Z 5fc9ecc351f15a6ac4eae3d9e044c2d3
diff --git a/manifest.uuid b/manifest.uuid
index 152b61dd82..3be04e8a80 100644
--- a/manifest.uuid
+++ b/manifest.uuid
@@ -1 +1 @@
-e9f56ead0514f3eac75807ea710c1f035b8add4f
\ No newline at end of file
+5a0fe9854849bf3f04008a5dbb7a74e7d0d815ca
\ No newline at end of file
diff --git a/src/build.c b/src/build.c
index 22ec4ceb95..a96a8faf2e 100644
--- a/src/build.c
+++ b/src/build.c
@@ -22,7 +22,7 @@
 **     COMMIT
 **     ROLLBACK
 **
-** $Id: build.c,v 1.428 2007/05/08 20:37:39 drh Exp $
+** $Id: build.c,v 1.429 2007/05/08 20:59:49 drh Exp $
 */
 #include "sqliteInt.h"
 #include <ctype.h>
@@ -194,8 +194,10 @@ void sqlite3FinishCoding(Parse *pParse){
   /* Get the VDBE program ready for execution
   */
   if( v && pParse->nErr==0 && !sqlite3MallocFailed() ){
+#ifdef SQLITE_DEBUG
     FILE *trace = (db->flags & SQLITE_VdbeTrace)!=0 ? stdout : 0;
     sqlite3VdbeTrace(v, trace);
+#endif
     sqlite3VdbeMakeReady(v, pParse->nVar, pParse->nMem+3,
                          pParse->nTab+3, pParse->explain);
     pParse->rc = SQLITE_DONE;
diff --git a/src/pragma.c b/src/pragma.c
index 19597d1149..615226bb2f 100644
--- a/src/pragma.c
+++ b/src/pragma.c
@@ -11,7 +11,7 @@
 *************************************************************************
 ** This file contains code used to implement the PRAGMA command.
 **
-** $Id: pragma.c,v 1.136 2007/05/08 14:51:37 drh Exp $
+** $Id: pragma.c,v 1.137 2007/05/08 20:59:49 drh Exp $
 */
 #include "sqliteInt.h"
 #include "os.h"
@@ -172,15 +172,17 @@ static int flagPragma(Parse *pParse, const char *zLeft, const char *zRight){
     const char *zName;  /* Name of the pragma */
     int mask;           /* Mask for the db->flags value */
   } aPragma[] = {
-    { "vdbe_trace",               SQLITE_VdbeTrace     },
-    { "sql_trace",                SQLITE_SqlTrace      },
-    { "vdbe_listing",             SQLITE_VdbeListing   },
     { "full_column_names",        SQLITE_FullColNames  },
     { "short_column_names",       SQLITE_ShortColNames },
     { "count_changes",            SQLITE_CountRows     },
     { "empty_result_callbacks",   SQLITE_NullCallback  },
     { "legacy_file_format",       SQLITE_LegacyFileFmt },
     { "fullfsync",                SQLITE_FullFSync     },
+#ifdef SQLITE_DEBUG
+    { "sql_trace",                SQLITE_SqlTrace      },
+    { "vdbe_listing",             SQLITE_VdbeListing   },
+    { "vdbe_trace",               SQLITE_VdbeTrace     },
+#endif
 #ifndef SQLITE_OMIT_CHECK
     { "ignore_check_constraints", SQLITE_IgnoreChecks  },
 #endif
diff --git a/src/vdbe.c b/src/vdbe.c
index 2e546ae93a..611c501c08 100644
--- a/src/vdbe.c
+++ b/src/vdbe.c
@@ -43,7 +43,7 @@
 ** in this file for details.  If in doubt, do not deviate from existing
 ** commenting and indentation practices when changing or adding code.
 **
-** $Id: vdbe.c,v 1.611 2007/05/08 20:37:40 drh Exp $
+** $Id: vdbe.c,v 1.612 2007/05/08 20:59:49 drh Exp $
 */
 #include "sqliteInt.h"
 #include "os.h"
@@ -5074,8 +5074,8 @@ default: {
       assert( !sqlite3VdbeMemTooBig(pTos) );
     }
     assert( pc>=-1 && pc<p->nOp );
-#ifdef SQLITE_DEBUG
 
+#ifdef SQLITE_DEBUG
     /* Code for tracing the vdbe stack. */
     if( p->trace && pTos>=p->aStack ){
       int i;
diff --git a/src/vdbeInt.h b/src/vdbeInt.h
index 5386579059..14a23f15ff 100644
--- a/src/vdbeInt.h
+++ b/src/vdbeInt.h
@@ -288,7 +288,6 @@ struct Context {
 struct Vdbe {
   sqlite3 *db;        /* The whole database */
   Vdbe *pPrev,*pNext; /* Linked list of VDBEs with the same Vdbe.db */
-  FILE *trace;        /* Write an execution trace here, if not NULL */
   int nOp;            /* Number of instructions in the program */
   int nOpAlloc;       /* Number of slots allocated for aOp[] */
   Op *aOp;            /* Space to hold the virtual machine's program */
@@ -336,6 +335,9 @@ struct Vdbe {
   i64 startTime;          /* Time when query started - used for profiling */
   int nSql;             /* Number of bytes in zSql */
   char *zSql;           /* Text of the SQL statement that generated this */
+#ifdef SQLITE_DEBUG
+  FILE *trace;        /* Write an execution trace here, if not NULL */
+#endif
 #ifdef SQLITE_SSE
   int fetchId;          /* Statement number used by sqlite3_fetch_statement */
   int lru;              /* Counter used for LRU cache replacement */
diff --git a/src/vdbeaux.c b/src/vdbeaux.c
index 1134655181..980a3d553c 100644
--- a/src/vdbeaux.c
+++ b/src/vdbeaux.c
@@ -88,12 +88,14 @@ void sqlite3VdbeSwap(Vdbe *pA, Vdbe *pB){
   pB->nSql = nTmp;
 }
 
+#ifdef SQLITE_DEBUG
 /*
 ** Turn tracing on or off
 */
 void sqlite3VdbeTrace(Vdbe *p, FILE *trace){
   p->trace = trace;
 }
+#endif
 
 /*
 ** Resize the Vdbe.aOp array so that it contains at least N