adding *nix makefile

makefile

@@ -0,0 +1,42 @@
+#~/user/bin/make -f
+EXECUTABLE = showsheets
+SO_LIBRARY = showsheets.so
+
+CC        = gcc
+CXX       = g++
+CFLAGS    = -fPIC -Wno-enum-conversion -O3
+CXXFLAGS  = -fPIC -std=c++11 -O3 -Wfatal-errors -Werror
+LDFLAGS   = -pthread
+
+SRC_SHOWSHEETS = \
+	src/showsheets.cpp \
+	src/pole.cpp
+
+
+# Object files			
+OBJS = \
+    $(SRC_SHOWSHEETS:.cpp=.o)
+
+# Rules
+all: $(EXECUTABLE) $(SO_LIBRARY)
+
+$(EXECUTABLE): $(OBJS)
+	$(CXX) $(CXXFLAGS) $(LDFLAGS) $(CPP_FILES) -o $@ $^
+
+$(SO_LIBRARY): $(OBJS)
+	$(CXX) $(LDFLAGS) -shared -o $@ $^
+
+%.o: %.cpp
+	$(CXX) $(CXXFLAGS) -c $< -o $@
+
+%.o: %.c
+	$(CC) $(CFLAGS) -c $< -o $@
+
+clean:
+	rm -rf `find Source -name '*.o'` $(EXECUTABLE) $(SO_LIBRARY)
+
+
+BINDIR ?= ${PREFIX}/bin
+
+install:
+	@cp -p bin/showsheets ${PREFIX}/showsheets