Build the "stmts" virtual table into the amalgamation. It is active only

when compiled using SQLITE_ENABLE_STMTSVTAB.  That option is supplied to the
command-line shell.

FossilOrigin-Name: 0ff057d86e42e518fda22bfbf5f1977ab6bd0a74a9211ff259ee7e8a7ce98b58

main.mk

@@ -68,7 +68,8 @@ LIBOBJ+= vdbe.o parse.o \
          mutex.o mutex_noop.o mutex_unix.o mutex_w32.o \
          notify.o opcodes.o os.o os_unix.o os_win.o \
          pager.o pcache.o pcache1.o pragma.o prepare.o printf.o \
-         random.o resolve.o rowset.o rtree.o select.o sqlite3rbu.o status.o \
+         random.o resolve.o rowset.o rtree.o \
+         select.o sqlite3rbu.o status.o stmts.o \
          table.o threads.o tokenize.o treeview.o trigger.o \
          update.o userauth.o util.o vacuum.o \
          vdbeapi.o vdbeaux.o vdbeblob.o vdbemem.o vdbesort.o \
@@ -234,7 +235,8 @@ SRC += \
   $(TOP)/ext/rbu/sqlite3rbu.c \
   $(TOP)/ext/rbu/sqlite3rbu.h
 SRC += \
-  $(TOP)/ext/misc/json1.c
+  $(TOP)/ext/misc/json1.c \
+  $(TOP)/ext/misc/stmts.c
 
 
 # FTS5 things
@@ -475,6 +477,7 @@ TESTOPTS = --verbose=file --output=test-out.txt
 SHELL_OPT = -DSQLITE_ENABLE_JSON1 -DSQLITE_ENABLE_FTS4 -DSQLITE_ENABLE_FTS5
 SHELL_OPT += -DSQLITE_ENABLE_EXPLAIN_COMMENTS
 SHELL_OPT += -DSQLITE_ENABLE_UNKNOWN_SQL_FUNCTION
+SHELL_OPT += -DSQLITE_ENABLE_STMTSVTAB
 FUZZERSHELL_OPT = -DSQLITE_ENABLE_JSON1
 FUZZCHECK_OPT = -DSQLITE_ENABLE_JSON1 -DSQLITE_ENABLE_MEMSYS5
 FUZZCHECK_OPT += -DSQLITE_MAX_MEMORY=50000000
@@ -718,6 +721,9 @@ fts5.o:	fts5.c
 json1.o:	$(TOP)/ext/misc/json1.c
 	$(TCCX) -DSQLITE_CORE -c $(TOP)/ext/misc/json1.c
 
+stmts.o:	$(TOP)/ext/misc/stmts.c
+	$(TCCX) -DSQLITE_CORE -c $(TOP)/ext/misc/stmts.c
+
 rtree.o:	$(TOP)/ext/rtree/rtree.c $(HDR) $(EXTHDR)
 	$(TCCX) -DSQLITE_CORE -c $(TOP)/ext/rtree/rtree.c