add basic structure

Makefile

@@ -0,0 +1,28 @@
+CC=clang
+CFLAGS=-Wall -Isrc/include -DDEBUG -g
+LDFLAGS=-lm
+SRC=src/myshellin.c
+OBJ=$(SRC:.c=.o)
+
+all: myshellin informe
+
+myshellin: $(OBJ)
+	$(CC) -o $@ $^ $(LDFLAGS)
+
+informe:
+# if pdflatex is installed create the informe
+ifneq (, $(shell which pdflatex))
+	make -C doc
+	mv doc/Informe.pdf Informe.pdf
+endif
+
+clean: cleanmyshellin cleaninforme
+
+cleanmyshellin:
+	rm -f src/*.o myshellin
+
+cleaninforme:
+	make -C doc clean
+	rm -f Informe.pdf
+
+.PHONY: all myshellin informe clean cleanmyshellin cleaninforme