independ nonzero(1)

Makefile

@@ -25,7 +25,7 @@ cleanprograms:
 	$(RM) bin/lt
 	$(RM) bin/mm
 	$(RM) bin/multiply
-	$(RM) bin/nonzero
+	$(MAKE) -C nonzero clean
 	$(RM) bin/pscat
 	$(RM) bin/rot13
 	$(MAKE) -C rot13 clean
@@ -90,8 +90,13 @@ levenshtein: src/levenshtein.c
 lowercase: sysexits src/lowercase.c
 	$(CC) $(CFLAGS) -o bin/lowercase src/lowercase.c
 
-nonzero: src/nonzero.c
+nonzero: bin/nonzero
-	$(CC) $(CFLAGS) -o bin/nonzero src/nonzero.c
+
+bin/nonzero: nonzero/nonzero
+	cp nonzero/nonzero bin/nonzero
+
+nonzero/nonzero: nonzero/Makefile nonzero/nonzero.c
+	$(MAKE) -C nonzero sane
 
 nutshell.o: libio usefulmacros src/nutshell.c src/nutshell.h src/nutshell_builtins.c
 	$(CC) $(CFLAGS) -c -o build/nutshell.o src/nutshell.c
@@ -302,4 +307,4 @@ unscii-user:
 	curl "http://viznut.fi/unscii/unscii-16-full.pcf" >"~/.fonts/unscii-16-full.pcf"
 	curl "http://viznut.fi/unscii/unscii-16-full.ttf" >"~/.fonts/unscii-16-full.ttf"
 
-.PHONY: all clean cleanlibraries cleanprograms echo pscat roll rot13 stdbool str sysexits usefulmacros
+.PHONY: all clean cleanlibraries cleanprograms echo nonzero pscat roll rot13 stdbool str sysexits usefulmacros

nonzero/Makefile

@@ -0,0 +1,27 @@
+all: nonzero
+
+clean:
+	rm -rf ../dist/nonzero ../dist/nonzero.tar ../dist/nonzero.tar.gz nonzero
+
+dist: ../dist/nonzero.tar.gz
+
+sane: nonzero
+
+nonzero: nonzero.c
+	$(CC) -o nonzero nonzero.c
+
+../dist/nonzero: nonzero
+	mkdir -p ../dist/nonzero.tmp/bin/ ../dist/nonzero.tmp/share/man/man1/
+	cp nonzero ../dist/nonzero.tmp/bin/nonzero
+	cp nonzero.1 ../dist/nonzero.tmp/share/man/man1/nonzero.1
+	mv ../dist/nonzero.tmp ../dist/nonzero
+
+../dist/nonzero.tar: ../dist/nonzero
+	cd ../dist/nonzero && pax -w -x ustar . >../nonzero.tar.tmp
+	mv ../dist/nonzero.tar.tmp ../dist/nonzero.tar
+
+../dist/nonzero.tar.gz: ../dist/nonzero.tar
+	gzip -c <../dist/nonzero.tar >../dist/nonzero.tar.gz.tmp
+	mv ../dist/nonzero.tar.gz.tmp ../dist/nonzero.tar.gz
+
+.PHONY: all clean sane