minimize a few conflicts with upstream

src/pragma.c

@@ -2281,18 +2281,11 @@ void sqlite3Pragma(
   }
 #endif
 /* END SQLCIPHER */
-#if defined(SQLITE_HAS_CODEC) || defined(SQLITE_ENABLE_CEROD)
+#if defined(SQLITE_ENABLE_CEROD)
   case PragTyp_ACTIVATE_EXTENSIONS: if( zRight ){
-#ifdef SQLITE_HAS_CODEC
-    if( sqlite3StrNICmp(zRight, "see-", 4)==0 ){
-      sqlite3_activate_see(&zRight[4]);
-    }
-#endif
-#ifdef SQLITE_ENABLE_CEROD
     if( sqlite3StrNICmp(zRight, "cerod-", 6)==0 ){
       sqlite3_activate_cerod(&zRight[6]);
     }
-#endif
   }
   break;
 #endif

src/pragma.h

@@ -134,7 +134,7 @@ typedef struct PragmaName {
   u64 iArg;                /* Extra argument */
 } PragmaName;
 static const PragmaName aPragmaName[] = {
-#if defined(SQLITE_HAS_CODEC) || defined(SQLITE_ENABLE_CEROD)
+#if defined(SQLITE_ENABLE_CEROD)
  {/* zName:     */ "activate_extensions",
   /* ePragTyp:  */ PragTyp_ACTIVATE_EXTENSIONS,
   /* ePragFlg:  */ 0,

tool/mkpragmatab.tcl

@@ -401,7 +401,7 @@ set pragma_def {
   IF:   defined(SQLITE_HAS_CODEC)
 
   NAME: activate_extensions
-  IF:   defined(SQLITE_HAS_CODEC) || defined(SQLITE_ENABLE_CEROD)
+  IF:   defined(SQLITE_ENABLE_CEROD)
 
   NAME: soft_heap_limit
   FLAG: Result0
@@ -499,7 +499,7 @@ record_one
 set allnames [lsort [array names allbyname]]
 
 # Generate #defines for all pragma type names.  Group the pragmas that are
-# omit in default builds (defined(SQLITE_DEBUG) and defined(SQLITE_HAS_CODEC))
+# omit in default builds (ex: defined(SQLITE_DEBUG))
 # at the end.
 #
 puts $fd "\n/* The various pragma types */"