added t1 t2 and readme

trial2/src/hellofunc.c

@@ -0,0 +1,9 @@
+#include <stdio.h>
+#include <hellomake.h>
+
+void myPrintHelloMake(void) {
+
+  printf("Hello makefiles!\n");
+
+  return;
+}

trial2/src/hellomake.c

@@ -0,0 +1,8 @@
+#include <hellomake.h>
+
+int main() {
+  // call a function in another file
+  myPrintHelloMake();
+
+  return(0);
+}

trial2/src/makefile

@@ -0,0 +1,26 @@
+IDIR =../include
+CC=gcc
+CFLAGS=-I$(IDIR)
+
+ODIR=obj
+LDIR =../lib
+
+LIBS=-lm
+
+_DEPS = hellomake.h
+DEPS = $(patsubst %,$(IDIR)/%,$(_DEPS))
+
+_OBJ = hellomake.o hellofunc.o 
+OBJ = $(patsubst %,$(ODIR)/%,$(_OBJ))
+
+
+$(ODIR)/%.o: %.c $(DEPS)
+	$(CC) -c -o $@ $< $(CFLAGS)
+
+hellomake: $(OBJ)
+	$(CC) -o $@ $^ $(CFLAGS) $(LIBS)
+
+.PHONY: clean
+
+clean:
+	rm -f $(ODIR)/*.o *~ core $(INCDIR)/*~