Move testcentury into a new subdirectory tests/ with its own Makefile.

The all target of tests/Makefile now runs testcentury.

More tests to be added.

Issue #3

Makefile

@@ -17,15 +17,14 @@ JSON_C?=`pkg-config --cflags json-c`
 JSON_L?=`pkg-config --libs json-c`
 
 all: libdcf77.so dcf77pi dcf77pi-analyze readpin
-test: testcentury
 
 hdrlib=input.h decode_time.h decode_alarm.h setclock.h mainloop.h \
 	bits1to14.h calendar.h
 srclib=input.c decode_time.c decode_alarm.c setclock.c mainloop.c \
 	bits1to14.c calendar.c
 objlib=input.o decode_time.o decode_alarm.o setclock.o mainloop.o \
 	bits1to14.o calendar.o
-objbin=dcf77pi.o dcf77pi-analyze.o readpin.o testcentury.o
+objbin=dcf77pi.o dcf77pi-analyze.o readpin.o
 
 input.o: input.h
 	$(CC) -fpic $(CFLAGS) $(JSON_C) -c input.c -o $@
@@ -63,19 +62,13 @@ readpin.o: input.h
 readpin: readpin.o libdcf77.so
 	$(CC) -o $@ readpin.o libdcf77.so $(JSON_L)
 
-testcentury.o: calendar.h
-testcentury: testcentury.o calendar.o
-	$(CC) -fpic $(CFLAGS) -c testcentury.c -o $@
-	$(CC) -o $@ testcentury.o calendar.o
-
 doxygen:
 	doxygen
 
 clean:
 	rm -f dcf77pi
 	rm -f dcf77pi-analyze
 	rm -f readpin
-	rm -f testcentury
 	rm -f $(objbin)
 	rm -f libdcf77.so $(objlib)
 

tests/Makefile

@@ -0,0 +1,22 @@
+# Copyright 2017 René Ladan
+# SPDX-License-Identifier: BSD-2-Clause
+
+.PHONY: all clean test
+
+all: test
+test: testcentury
+	./testcentury
+
+PREFIX?=.
+ETCDIR?=etc/dcf77pi
+CFLAGS+=-Wall -D_POSIX_C_SOURCE=200809L -DETCDIR=\"$(PREFIX)/$(ETCDIR)\" \
+	-g -std=c99
+objbin=testcentury.o
+
+testcentury.o: ../calendar.h
+testcentury: testcentury.o ../calendar.o
+	$(CC) -fpic $(CFLAGS) -I.. -c testcentury.c -o $@
+	$(CC) -o $@ testcentury.o ../calendar.o
+
+clean:
+	rm -f $(objbin) testcentury