add pty-gpib-emulator from github

pty-gpib-emulator/c++/Makefile

@@ -0,0 +1,28 @@
+CC=g++
+CFLAGS=-c -std=c++11
+LDFLAGS=
+LIBRARIES=-lutil -lboost_system
+SOURCES=PTY_Interface.cpp Prologix.cpp
+OBJECTS=$(SOURCES:.cpp=.o)
+EXECUTABLE=
+
+TEST_SRC=$(SOURCES) test.cpp
+TEST_OBJ=$(TEST_SRC:.cpp=.o)
+TEST_EXE=test
+
+all: $(SOURCES) $(OBJECTS)
+
+test: $(TEST_SRC) $(TEST_OBJ)
+
+$(TEST_EXE):
+	$(CC) $(LDFLAGS) $(TEST_OBJ) $(LIBRARIES) -o $(TEST_EXE)
+
+$(EXECUTABLE): $(OBJECTS) 
+	$(CC) $(LDFLAGS) $(OBJECTS) -o $@
+
+.cpp.o:
+	$(CC) $(CFLAGS) $< -o $@
+
+clean:
+	rm *.o *~ *.gch
+