Added OS detection into tests to add EXE extension to test executables for cleanup. (#46)

test/crc.mak

@@ -1,7 +1,7 @@
 #Makefile to build CRC tests
 CC      = gcc
 SRC_DIR = ../src
-INCLUDES = -I$(SRC_DIR) -I. -I../demo/object 
+INCLUDES = -I$(SRC_DIR) -I. -I../demo/object
 DEFINES = -DBIG_ENDIAN=0 -DTEST -DTEST_CRC
 
 CFLAGS  = -Wall $(INCLUDES) $(DEFINES) -g
@@ -11,20 +11,26 @@ SRCS = $(SRC_DIR)/bacnet/datalink/crc.c \
 
 OBJS = ${SRCS:.c=.o}
 
-TARGET = crc
+TARGET_NAME = crc
+ifeq ($(OS),Windows_NT)
+TARGET_EXT = .exe
+else
+TARGET_EXT =
+endif
+TARGET = $(TARGET_NAME)$(TARGET_EXT)
 
 all: ${TARGET}
- 
+
 ${TARGET}: ${OBJS}
-	${CC} -o $@ ${OBJS} 
+	${CC} -o $@ ${OBJS}
 
 .c.o:
 	${CC} -c ${CFLAGS} $*.c -o $@
-	
+
 depend:
 	rm -f .depend
 	${CC} -MM ${CFLAGS} *.c >> .depend
-	
+
 clean:
 	rm -rf core ${TARGET} $(OBJS) *.bak *.1 *.ini