Index: Makefile.msc
==================================================================
--- Makefile.msc
+++ Makefile.msc
@@ -267,10 +267,21 @@
 TCC = $(TCC) -I$(TOP)\ext\fts3
 RCC = $(RCC) -I$(TOP)\ext\fts3
 TCC = $(TCC) -I$(TOP)\ext\rtree
 RCC = $(RCC) -I$(TOP)\ext\rtree
 !ENDIF
+
+# The mksqlite3c.tcl script accepts some options on the command
+# line.  When compiling with debugging enabled, some of these
+# options are necessary in order to allow debugging symbols to
+# work correctly with Visual Studio when using the amalgamation.
+#
+!IF $(DEBUG)>0
+MKSQLITE3C_ARGS = --linemacros
+!ELSE
+MKSQLITE3C_ARGS =
+!ENDIF
 
 # Define -DNDEBUG to compile without debugging (i.e., for production usage)
 # Omitting the define will cause extra debugging code to be inserted and
 # includes extra comments when "EXPLAIN stmt" is used.
 #
@@ -914,11 +925,11 @@
 	$(TCLSH_CMD) $(TOP)\tool\vdbe-compress.tcl $(OPTS) < tsrc\vdbe.c > vdbe.new
 	move vdbe.new tsrc\vdbe.c
 	echo > .target_source
 
 sqlite3.c:	.target_source $(TOP)\tool\mksqlite3c.tcl
-	$(TCLSH_CMD) $(TOP)\tool\mksqlite3c.tcl
+	$(TCLSH_CMD) $(TOP)\tool\mksqlite3c.tcl $(MKSQLITE3C_ARGS)
 	copy tsrc\shell.c .
 	copy tsrc\sqlite3ext.h .
 
 sqlite3-all.c:	sqlite3.c $(TOP)\tool\split-sqlite3c.tcl
 	$(TCLSH_CMD) $(TOP)\tool\split-sqlite3c.tcl
@@ -1332,21 +1343,21 @@
 
 sqlite3_analyzer.exe:	sqlite3_analyzer.c $(LIBRESOBJS)
 	$(LTLINK) -DBUILD_sqlite -DTCLSH=2 -I$(TCLINCDIR) sqlite3_analyzer.c \
 		/link $(LTLINKOPTS) $(LTLIBPATHS) $(LIBRESOBJS) $(LTLIBS) $(TLIBS)
 
-showdb.exe:	$(TOP)\tool\showdb.c sqlite3.c
-	$(LTLINK) -DSQLITE_THREADSAFE=0 -DSQLITE_OMIT_LOAD_EXTENSION -o $@ \
-		$(TOP)\tool\showdb.c sqlite3.c
-
-wordcount.exe:	$(TOP)\test\wordcount.c sqlite3.c
-	$(LTLINK) -DSQLITE_THREADSAFE=0 -DSQLITE_OMIT_LOAD_EXTENSION -o $@ \
-		$(TOP)\test\wordcount.c sqlite3.c
-
-speedtest1.exe:	$(TOP)\test\speedtest1.c sqlite3.c
-	$(LTLINK) -DSQLITE_OMIT_LOAD_EXTENSION -o $@ \
-		$(TOP)\test\speedtest1.c sqlite3.c
+showdb.exe:	$(TOP)\tool\showdb.c $(SQLITE3C)
+	$(LTLINK) -DSQLITE_THREADSAFE=0 -DSQLITE_OMIT_LOAD_EXTENSION -Fe$@ \
+		$(TOP)\tool\showdb.c $(SQLITE3C)
+
+wordcount.exe:	$(TOP)\test\wordcount.c $(SQLITE3C)
+	$(LTLINK) -DSQLITE_THREADSAFE=0 -DSQLITE_OMIT_LOAD_EXTENSION -Fe$@ \
+		$(TOP)\test\wordcount.c $(SQLITE3C)
+
+speedtest1.exe:	$(TOP)\test\speedtest1.c $(SQLITE3C)
+	$(LTLINK) -DSQLITE_OMIT_LOAD_EXTENSION -Fe$@ \
+		$(TOP)\test\speedtest1.c $(SQLITE3C)
 
 clean:
 	del /Q *.lo *.ilk *.lib *.obj *.pdb sqlite3.exe libsqlite3.lib
 	del /Q *.cod *.da *.bb *.bbg gmon.out
 	del /Q sqlite3.h opcodes.c opcodes.h