diff --git a/1985/shapiro/Makefile b/1985/shapiro/Makefile
index fefb7cdf9..276a7212a 100644
--- a/1985/shapiro/Makefile
+++ b/1985/shapiro/Makefile
@@ -145,6 +145,9 @@ ${PROG}: ${PROG}.c
 alt: data ${ALT_TARGET}
 	@${TRUE}
 
+${PROG}.alt: ${PROG}.alt.c
+	${CC} ${CFLAGS} $< -o $@ ${LIBS}
+
 # data files
 #
 data: ${DATA}
diff --git a/1986/hague/Makefile b/1986/hague/Makefile
index 77a92befb..3b070629d 100644
--- a/1986/hague/Makefile
+++ b/1986/hague/Makefile
@@ -143,6 +143,10 @@ ${PROG}: ${PROG}.c
 	@echo "      when compiling and running this program with some systems."
 	${CC} ${CFLAGS} $< -o $@ ${LIBS}
 
+# alternative executable
+#
+alt: data ${ALT_TARGET}
+	@${TRUE}
 
 # data files
 #
diff --git a/1986/stein/Makefile b/1986/stein/Makefile
index eec931eb3..b1918d429 100644
--- a/1986/stein/Makefile
+++ b/1986/stein/Makefile
@@ -133,15 +133,20 @@ ALT_TARGET=
 all: data ${TARGET}
 	@${TRUE}
 
-.PHONY: data everything clean clobber nuke dist_clean \
-	install build love haste waste make easter_egg \
+.PHONY: all alt data everything clean clobber install \
+	love haste waste maker easter_egg sandwich \
 	supernova deep_magic magic charon pluto
 
 ${PROG}: ${PROG}.c
-	-${RM} -f a.out
 	${CC} ${CFLAGS} $< -o $@ ${LIBS}
+	-${RM} -f a.out
 	-${LN} $@ a.out
 
+# alternative executable
+#
+alt: data ${ALT_TARGET}
+	@${TRUE}
+
 # data files
 #
 data: ${DATA}
diff --git a/1987/heckbert/Makefile b/1987/heckbert/Makefile
index 1098c5650..204da35fc 100644
--- a/1987/heckbert/Makefile
+++ b/1987/heckbert/Makefile
@@ -134,8 +134,8 @@ ALT_TARGET=
 all: data ${TARGET}
 	@${TRUE}
 
-.PHONY: data everything clean clobber nuke dist_clean \
-	install build love haste waste make easter_egg \
+.PHONY: all alt data everything clean clobber install \
+	love haste waste maker easter_egg sandwich \
 	supernova deep_magic magic charon pluto
 
 ${PROG}: ${PROG}.c
diff --git a/1987/westley/Makefile b/1987/westley/Makefile
index 93b4df903..1debe3a2b 100644
--- a/1987/westley/Makefile
+++ b/1987/westley/Makefile
@@ -145,6 +145,9 @@ ${PROG}: ${PROG}.c
 alt: data ${ALT_TARGET}
 	@${TRUE}
 
+${PROG}.alt: ${PROG}.alt.c
+	${CC} ${CFLAGS} $< -o $@ ${LIBS}
+
 # data files
 #
 data: ${DATA}
diff --git a/1990/tbr/Makefile b/1990/tbr/Makefile
index c7ff0577d..6cb08941b 100644
--- a/1990/tbr/Makefile
+++ b/1990/tbr/Makefile
@@ -147,6 +147,9 @@ ${PROG}: ${PROG}.c
 alt: data ${ALT_TARGET}
 	@${TRUE}
 
+${PROG}.alt: ${PROG}.alt.c
+	${CC} ${CFLAGS} $< -o $@ ${LIBS}
+
 # data files
 #
 data: ${DATA}
diff --git a/1992/albert/Makefile b/1992/albert/Makefile
index b186f3003..713bea5aa 100644
--- a/1992/albert/Makefile
+++ b/1992/albert/Makefile
@@ -139,14 +139,14 @@ all: data ${TARGET}
 ${PROG}: ${PROG}.c
 	${CC} ${CFLAGS} $< -o $@ ${LIBS}
 
-${PROG}.alt: ${PROG}.alt.c
-	${CC} ${CFLAGS} $< -o $@ ${LIBS}
-
 # alternative executable
 #
 alt: data ${ALT_TARGET}
 	@${TRUE}
 
+${PROG}.alt: ${PROG}.alt.c
+	${CC} ${CFLAGS} $< -o $@ ${LIBS}
+
 # data files
 #
 data: ${DATA}
diff --git a/1992/buzzard.2/Makefile b/1992/buzzard.2/Makefile
index aa390de6f..e93665610 100644
--- a/1992/buzzard.2/Makefile
+++ b/1992/buzzard.2/Makefile
@@ -141,9 +141,6 @@ all: data ${TARGET}
 ${PROG}: ${PROG}.c
 	${CC} ${CFLAGS} $< -o $@ ${LIBS}
 
-${PROG}.alt: ${PROG}.alt.c
-	${CC} ${CFLAGS} $< -o $@ ${LIBS}
-
 first: ${PROG}
 	${RM} -f $@
 	${LN} $< $@
@@ -153,6 +150,9 @@ first: ${PROG}
 alt: data ${ALT_TARGET}
 	@${TRUE}
 
+${PROG}.alt: ${PROG}.alt.c
+	${CC} ${CFLAGS} $< -o $@ ${LIBS}
+
 # data files
 #
 data: ${DATA}
diff --git a/1994/horton/Makefile b/1994/horton/Makefile
index b5dd136a0..7c060b424 100644
--- a/1994/horton/Makefile
+++ b/1994/horton/Makefile
@@ -147,14 +147,14 @@ ${PROG}: ${PROG}.c
 gtface: gtface.c
 	${CC} ${CFLAGS} $< -o $@ ${LIBS}
 
-${PROG}.alt: ${PROG}.alt.c
-	${CC} ${CFLAGS} $< -o $@ ${LIBS}
-
 # alternative executable
 #
 alt: data ${ALT_TARGET}
 	@${TRUE}
 
+${PROG}.alt: ${PROG}.alt.c
+	${CC} ${CFLAGS} $< -o $@ ${LIBS}
+
 # data files
 #
 data: ${DATA}
diff --git a/1994/tvr/Makefile b/1994/tvr/Makefile
index f283ac96f..c27545fd2 100644
--- a/1994/tvr/Makefile
+++ b/1994/tvr/Makefile
@@ -144,14 +144,14 @@ all: data ${TARGET}
 ${PROG}: ${PROG}.c
 	${CC} ${CFLAGS} $< -o $@ ${LIBS}
 
-${PROG}.alt: ${PROG}.alt.c
-	${CC} ${CFLAGS} $< -o $@ ${LIBS}
-
 # alternative executable
 #
 alt: data ${ALT_TARGET}
 	@${TRUE}
 
+${PROG}.alt: ${PROG}.alt.c
+	${CC} ${CFLAGS} $< -o $@ ${LIBS}
+
 # data files
 #
 data: ${DATA}
diff --git a/1994/weisberg/Makefile b/1994/weisberg/Makefile
index afd6098c1..c4aad65a4 100644
--- a/1994/weisberg/Makefile
+++ b/1994/weisberg/Makefile
@@ -146,14 +146,14 @@ all: data ${TARGET}
 ${PROG}: ${PROG}.c
 	${CC} ${C_SMALL} ${CFLAGS} $< -o $@ ${LIBS}
 
-${PROG}.alt: ${PROG}.c
-	${CC} ${C_LARGE} ${CFLAGS} $< -o $@ ${LIBS}
-
 # alternative executable
 #
 alt: data ${ALT_TARGET}
 	@${TRUE}
 
+${PROG}.alt: ${PROG}.c
+	${CC} ${C_LARGE} ${CFLAGS} $< -o $@ ${LIBS}
+
 # data files
 #
 data: ${DATA}
diff --git a/1996/westley/Makefile b/1996/westley/Makefile
index b96d58b9a..f4f0ab5d7 100644
--- a/1996/westley/Makefile
+++ b/1996/westley/Makefile
@@ -145,6 +145,9 @@ ${PROG}: ${PROG}.c
 alt: data ${ALT_TARGET}
 	@${TRUE}
 
+${PROG}.alt: ${PROG}.alt.c
+	${CC} ${CFLAGS} $< -o $@ ${LIBS}
+
 # data files
 #
 data: ${DATA}
diff --git a/1998/chaos/Makefile b/1998/chaos/Makefile
index fbb91cc31..419b83df1 100644
--- a/1998/chaos/Makefile
+++ b/1998/chaos/Makefile
@@ -142,6 +142,11 @@ all: data ${TARGET}
 ${PROG}: ${PROG}.c
 	${CC} ${CFLAGS} $< -o $@ ${LIBS}
 
+# alternative executable
+#
+alt: data ${ALT_TARGET}
+	@${TRUE}
+
 ${PROG}_nohalf: ${PROG}_nohalf.c
 	${CC} ${CFLAGS} $< -o $@ ${LIBS}
 
@@ -149,11 +154,6 @@ ${PROG}_nohalf.c: ${PROG}.c
 	${RM} -f $@
 	${SED} -e 's/halfdelay([^)]*);//' < $? > $@
 
-# alternative executable
-#
-alt: data ${ALT_TARGET}
-	@${TRUE}
-
 # data files
 #
 data: ${DATA}
diff --git a/1998/dlowe/Makefile b/1998/dlowe/Makefile
index 5659f10b1..fbe2db41a 100644
--- a/1998/dlowe/Makefile
+++ b/1998/dlowe/Makefile
@@ -139,14 +139,14 @@ all: data ${TARGET}
 ${PROG}: ${PROG}.c
 	${CC} ${CFLAGS} $< -o $@ ${LIBS}
 
-${PROG}.alt: ${PROG}.alt.c
-	${CC} ${CFLAGS} $< -o $@ ${LIBS}
-
 # alternative executable
 #
 alt: data ${ALT_TARGET}
 	@${TRUE}
 
+${PROG}.alt: ${PROG}.alt.c
+	${CC} ${CFLAGS} $< -o $@ ${LIBS}
+
 # data files
 #
 data: ${DATA}
diff --git a/1998/schweikh1/Makefile b/1998/schweikh1/Makefile
index 0b1a27d0a..4e89812f1 100644
--- a/1998/schweikh1/Makefile
+++ b/1998/schweikh1/Makefile
@@ -144,6 +144,9 @@ ${PROG}: ${PROG}.c
 alt: data ${ALT_TARGET}
 	@${TRUE}
 
+${PROG}.alt: ${PROG}.alt.c
+	${CC} ${CFLAGS} $< -o $@ ${LIBS}
+
 # data files
 #
 data: ${DATA}
diff --git a/1998/schweikh2/Makefile b/1998/schweikh2/Makefile
index 7668e9a0e..d672a04b4 100644
--- a/1998/schweikh2/Makefile
+++ b/1998/schweikh2/Makefile
@@ -142,14 +142,14 @@ all: data ${TARGET}
 ${PROG}: ${PROG}.c
 	${CC} ${CFLAGS} $< -o $@ ${LIBS}
 
-${PROG}.alt: ${PROG}.alt.c
-	${CC} ${CFLAGS} $< -o $@ ${LIBS}
-
 # alternative executable
 #
 alt: data ${ALT_TARGET}
 	@${TRUE}
 
+${PROG}.alt: ${PROG}.alt.c
+	${CC} ${CFLAGS} $< -o $@ ${LIBS}
+
 # data files
 #
 data: ${DATA}
diff --git a/2001/westley/Makefile b/2001/westley/Makefile
index 576279c80..18fb4bb81 100644
--- a/2001/westley/Makefile
+++ b/2001/westley/Makefile
@@ -147,9 +147,6 @@ all: data ${TARGET}
 ${PROG}: ${PROG}.c
 	${CC} ${CFLAGS} $< -o $@ ${LIBS}
 
-${PROG}.alt: ${PROG}.alt.c
-	${CC} ${CFLAGS} $< -o $@ ${LIBS}
-
 westley2: westley2.c
 	${CC} ${CFLAGS} $< -o $@ ${LIBS}
 
@@ -161,6 +158,9 @@ westley3: westley3.c
 alt: data ${ALT_TARGET}
 	@${TRUE}
 
+${PROG}.alt: ${PROG}.alt.c
+	${CC} ${CFLAGS} $< -o $@ ${LIBS}
+
 # data files
 #
 data: ${DATA}
diff --git a/2004/hoyle/Makefile b/2004/hoyle/Makefile
index 6d5569f76..e811c72b5 100644
--- a/2004/hoyle/Makefile
+++ b/2004/hoyle/Makefile
@@ -140,14 +140,14 @@ all: data ${TARGET}
 ${PROG}: ${PROG}.c
 	${CC} ${CFLAGS} $< -o $@ ${LIBS}
 
-${PROG}.alt: ${PROG}.alt.c
-	${CC} ${CFLAGS} $< -o $@ ${LIBS}
-
 # alternative executable
 #
 alt: data ${ALT_TARGET}
 	@${TRUE}
 
+${PROG}.alt: ${PROG}.alt.c
+	${CC} ${CFLAGS} $< -o $@ ${LIBS}
+
 # data files
 #
 data: ${DATA}
diff --git a/2004/kopczynski/Makefile b/2004/kopczynski/Makefile
index 733f85f39..4d0110550 100644
--- a/2004/kopczynski/Makefile
+++ b/2004/kopczynski/Makefile
@@ -141,14 +141,14 @@ all: data ${TARGET}
 ${PROG}: ${PROG}.c
 	${CC} ${CFLAGS} $< -o $@ ${LIBS}
 
-${PROG}.alt: ${PROG}.alt.c
-	${CC} ${CFLAGS} $< -o $@ ${LIBS}
-
 # alternative executable
 #
 alt: data ${ALT_TARGET}
 	@${TRUE}
 
+${PROG}.alt: ${PROG}.alt.c
+	${CC} ${CFLAGS} $< -o $@ ${LIBS}
+
 # data files
 #
 data: ${DATA}
diff --git a/2012/endoh2/Makefile b/2012/endoh2/Makefile
index b4342e7f9..891af83bc 100644
--- a/2012/endoh2/Makefile
+++ b/2012/endoh2/Makefile
@@ -151,6 +151,11 @@ all: data ${TARGET}
 ${PROG}: ${PROG}.c
 	${CC} ${CFLAGS} $< -o $@ ${LIBS}
 
+# alternative executable
+#
+alt: data ${ALT_TARGET}
+	@${TRUE}
+
 pi.c: ${PROG}
 	${RM} -f $@
 	./$< > $@
@@ -300,11 +305,6 @@ e: e.c
 271828182845: 271828182845.c
 	${CC} ${CFLAGS} $< -o $@ ${LIBS}
 
-# alternative executable
-#
-alt: data ${ALT_TARGET}
-	@${TRUE}
-
 # data files
 #
 data: ${DATA}
diff --git a/2012/tromp/Makefile b/2012/tromp/Makefile
index f687c1721..35ae76598 100644
--- a/2012/tromp/Makefile
+++ b/2012/tromp/Makefile
@@ -149,14 +149,14 @@ ${PROG}64: ${PROG}
 	${RM} -f $@
 	${CP} -v $< $@
 
-${PROG}32: ${PROG}.c
-	${CC} ${CFLAGS} -m32 -DInt=int  -DX=4 $< -o $@
-
 # alternative executable
 #
 alt: data ${ALT_TARGET}
 	@${TRUE}
 
+${PROG}32: ${PROG}.c
+	${CC} ${CFLAGS} -m32 -DInt=int  -DX=4 $< -o $@
+
 # data files
 #
 data: ${DATA}
diff --git a/2012/zeitak/Makefile b/2012/zeitak/Makefile
index a997bd161..955e58215 100644
--- a/2012/zeitak/Makefile
+++ b/2012/zeitak/Makefile
@@ -144,14 +144,14 @@ all: data ${TARGET}
 ${PROG}: ${PROG}.c
 	${CC} ${CFLAGS} $< -o $@ ${LIBS}
 
-${PROG}.alt: ${PROG}.alt.c
-	${CC} ${CFLAGS} $< -o $@ ${LIBS}
-
 # alternative executable
 #
 alt: data ${ALT_TARGET}
 	@${TRUE}
 
+${PROG}.alt: ${PROG}.alt.c
+	${CC} ${CFLAGS} $< -o $@ ${LIBS}
+
 # data files
 #
 data: ${DATA}
diff --git a/2015/duble/Makefile b/2015/duble/Makefile
index e2b54d61e..64e2d1675 100644
--- a/2015/duble/Makefile
+++ b/2015/duble/Makefile
@@ -145,14 +145,14 @@ all: data ${TARGET}
 ${PROG}: ${PROG}.c
 	${CC} ${CFLAGS} $< -o $@ ${LIBS}
 
-${PROG}.alt: ${PROG}.alt.c
-	${CC} ${CFLAGS} $< -o $@ ${LIBS}
-
 # alternative executable
 #
 alt: data ${ALT_TARGET}
 	@${TRUE}
 
+${PROG}.alt: ${PROG}.alt.c
+	${CC} ${CFLAGS} $< -o $@ ${LIBS}
+
 # data files
 #
 data: ${DATA}
diff --git a/2015/endoh4/Makefile b/2015/endoh4/Makefile
index cf209fc87..571e3f2f9 100644
--- a/2015/endoh4/Makefile
+++ b/2015/endoh4/Makefile
@@ -146,6 +146,9 @@ ${PROG}: ${PROG}.c
 alt: data ${ALT_TARGET}
 	@${TRUE}
 
+${PROG}.alt: ${PROG}.alt.c
+	${CC} ${CFLAGS} $< -o $@ ${LIBS}
+
 # data files
 #
 data: ${DATA}
diff --git a/2015/howe/Makefile b/2015/howe/Makefile
index ab3221191..147a3efb0 100644
--- a/2015/howe/Makefile
+++ b/2015/howe/Makefile
@@ -142,6 +142,12 @@ all: data ${TARGET}
 ${PROG}: ${PROG}.c
 	${CC} ${CFLAGS} $< -o $@ ${LIBS}
 
+test: makeholes prog-test.sh ${TARGET}
+	${SHELL} ./prog-test.sh
+
+makeholes: makeholes.c
+	${CC} ${CFLAGS} $< -o $@ ${LIBS}
+
 # alternative executable
 #
 alt: data ${ALT_TARGET}
@@ -150,12 +156,6 @@ alt: data ${ALT_TARGET}
 ${PROG}.alt: ${PROG}.alt.c
 	${CC} ${CFLAGS} $< -o $@ ${LIBS}
 
-test: makeholes prog-test.sh ${TARGET}
-	${SHELL} ./prog-test.sh
-
-makeholes: makeholes.c
-	${CC} ${CFLAGS} $< -o $@ ${LIBS}
-
 # data files
 #
 data: ${DATA}
diff --git a/2018/bellard/Makefile b/2018/bellard/Makefile
index c2a3ad23e..aa4e71421 100644
--- a/2018/bellard/Makefile
+++ b/2018/bellard/Makefile
@@ -125,8 +125,8 @@ OBJ= ${PROG}.o
 DATA= fruits.bin lena512.bin vintage_cars.bin Lenna.png
 TARGET= ${PROG}
 #
-ALT_OBJ= ${PROG}.alt.o
-ALT_TARGET= ${PROG}.alt
+ALT_OBJ=
+ALT_TARGET=
 
 
 #################
@@ -143,9 +143,6 @@ all: data ${TARGET}
 ${PROG}: ${PROG}.c
 	${CC} ${CFLAGS} $< -o $@ ${LIBS}
 
-${PROG}.alt: ${PROG}.alt.c
-	${CC} ${CFLAGS} $< -o $@ ${LIBS}
-
 # alternative executable
 #
 alt: data ${ALT_TARGET}
diff --git a/2019/ciura/Makefile b/2019/ciura/Makefile
index 3cbe168fc..7f225f764 100644
--- a/2019/ciura/Makefile
+++ b/2019/ciura/Makefile
@@ -140,14 +140,14 @@ all: data ${TARGET}
 ${PROG}: ${PROG}.c
 	${CC} ${CFLAGS} $< -o $@ ${LIBS}
 
-${PROG}.alt: ${PROG}.alt.c
-	${CC} ${CFLAGS} $< -o $@ ${LIBS}
-
 # alternative executable
 #
 alt: data ${ALT_TARGET}
 	@${TRUE}
 
+${PROG}.alt: ${PROG}.alt.c
+	${CC} ${CFLAGS} $< -o $@ ${LIBS}
+
 # data files
 #
 data: ${DATA}
diff --git a/2020/burton/Makefile b/2020/burton/Makefile
index 5e9153363..6125cb35d 100644
--- a/2020/burton/Makefile
+++ b/2020/burton/Makefile
@@ -117,12 +117,12 @@ endif
 ENTRY= burton
 PROG= prog
 #
-OBJ= ${PROG}.o
+OBJ= ${PROG}.o ${PROG}_le.o ${PROG}_be.o
 DATA= correct
-TARGET= ${PROG}
+TARGET= ${PROG} ${PROG}_le ${PROG}_be
 #
-ALT_OBJ= ${PROG}_le.o
-ALT_TARGET= ${PROG}_le
+ALT_OBJ=
+ALT_TARGET=
 
 # magic define parameters for Little Endian machines
 #
@@ -153,9 +153,11 @@ all: data ${TARGET}
 ${PROG}: ${PROG}.c
 	${CC} ${CFLAGS} -DB=${B} -DI=${I} -DT=${T} -DS=${S} $< -o $@ ${LIBS}
 
-${PROG}_le: ${PROG}
-	${RM} -f $@
-	${CP} -f $< $@
+${PROG}_le: ${PROG}.c
+	${CC} ${CFLAGS} -DB=${B} -DI=${I} -DT=${T} -DS=${S} $< -o $@ ${LIBS}
+
+${PROG}_be: ${PROG}.c
+	${CC} ${CFLAGS} -DB=${_B} -DI=${_I} -DT=${_T} -DS=${_S} $< -o $@ ${LIBS}
 
 test: check_le.sh check_be.sh prog_le prog_be correct
 	./check_le.sh ./prog_le | ${DIFF} -bw - correct
@@ -166,15 +168,12 @@ test: check_le.sh check_be.sh prog_le prog_be correct
 alt: data ${ALT_TARGET}
 	@${TRUE}
 
-${PROG}_be: ${PROG}.c
-	${CC} ${CFLAGS} -DB=${_B} -DI=${_I} -DT=${_T} -DS=${_S} $< -o $@ ${LIBS}
-
 # data files
 #
 data: ${DATA}
 	@${TRUE}
 
-# both all and alt
+
 #
 everything: all alt
 	@${TRUE}