Simplify build: nested makefiles considered harmful.

Makefile

@@ -1,31 +1,34 @@
 # Makefile for the open-source release of adventure 2.5
 
 LIBS=-lrt
-OBJS=main.o init.o actions1.o actions2.o score.o misc.o database/database.o
+OBJS=main.o init.o actions1.o actions2.o score.o misc.o database.o
 SOURCES=$(OBJS:.o=.c) COPYING NEWS README TODO advent.text control
 
 .c.o:
 	gcc -O $(DBX) -c $<
 
-advent:	$(OBJS) database
+advent:	$(OBJS)
 	gcc -Wall -std=c99 -O $(DBX) -o advent $(OBJS) $(LIBS)
 
-main.o:		main.h misc.h funcs.h database/database.h
+main.o:		main.h misc.h funcs.h database.h
 
-init.o:		misc.h main.h share.h funcs.h database/database.h
+init.o:		misc.h main.h share.h funcs.h database.h
 
-actions1.o:	misc.h main.h share.h funcs.h database/database.h
+actions1.o:	misc.h main.h share.h funcs.h database.h
 
 actions2.o:	misc.h main.h share.h funcs.h
 
-score.o:	misc.h main.h share.h database/database.h
+score.o:	misc.h main.h share.h database.h
 
-misc.o:		misc.h main.h database/database.h
+misc.o:		misc.h main.h database.h
+
+database.c database.h: compile
+	./compile
+	gcc $(OPTIONS) -O $(DBX) -c database.c
 
 clean:
-	rm -f *.o advent advent.html advent.6 adventure.data
+	rm -f *.o advent advent.html advent.6 database.[ch]
 	cd tests; $(MAKE) --quiet clean
-	cd database; $(MAKE) clean
 
 check: advent
 	cd tests; $(MAKE) --quiet

actions1.c

@@ -4,7 +4,7 @@
 #include "main.h"
 #include "share.h"
 #include "funcs.h"
-#include "database/database.h"
+#include "database.h"
 
 /* This stuff was broken off as part of an effort to get the main program
  * to compile without running out of memory.  We're called with a number

database/Makefile

@@ -1,17 +0,0 @@
-# Makefile for the open-adventure database
-
-OBJS=compile.o
-SOURCES=$(OBJS:.o=.c) adventure.text
-OPTIONS=-ggdb -Wall -std=c99
-
-.c.o:
-	gcc $(OPTIONS) -O $(DBX) -c $<
-
-database: compile
-	./compile
-	gcc $(OPTIONS) -O $(DBX) -c database.c
-
-compile: $(OBJS)
-
-clean:
-	rm -f $(OBJS) compile database.c database.h

funcs.h

@@ -1,5 +1,5 @@
 #include <stdbool.h>
-#include "database/database.h"
+#include "database.h"
 
 /*  Statement functions
  *

init.c

@@ -7,7 +7,7 @@
 #include "main.h"
 #include "share.h"
 #include "funcs.h"
-#include "database/database.h"
+#include "database.h"
 
 /*
  * Initialisation

main.c

@@ -9,7 +9,7 @@
 #include <getopt.h>
 #include <signal.h>
 #include "main.h"
-#include "database/database.h"
+#include "database.h"
 #include "misc.h"
 
 long ABB[186], ATLOC[186], BLKLIN = true, DFLAG,

misc.c

@@ -6,7 +6,7 @@
 #include "share.h"	/* for SETUP */
 #include "misc.h"
 #include "funcs.h"
-#include "database/database.h"
+#include "database.h"
 
 /* hack to ignore GCC Unused Result */
 #define IGNORE(r) do{if(r){}}while(0)

score.c

@@ -2,7 +2,7 @@
 #include "misc.h"
 #include "main.h"
 #include "share.h"
-#include "database/database.h"
+#include "database.h"
 
 /*
  * scoring and wrap-up