Index: doc/working/exception/impl/Makefile
===================================================================
--- doc/working/exception/impl/Makefile	(revision fd732488a0c9611e90598dc83b89dfc5bf7e63b4)
+++ doc/working/exception/impl/Makefile	(revision 3e06da23aa04855785665d093acbbc9b6297e66a)
@@ -1,3 +1,3 @@
-CFLAGS = -fexceptions -Wall -Werror
+CFLAGS = -fexceptions -Wall -Werror -g
 CC = gcc
 
@@ -16,4 +16,7 @@
 	$(CC) $(CFLAGS) -o $@ $^
 
+exception.s: exception.c
+	$(CC) $(CFLAGS) -S -o $@ -fPIC $^
+
 libexcept.so: exception.c
 	$(CC) $(CFLAGS) -shared -o $@ -fPIC $^