--- stmbl.c.oryg	2012-06-13 15:01:49.000000000 +0200
+++ stmbl.c	2012-06-13 15:12:51.000000000 +0200
@@ -118,7 +118,7 @@
 	printf(" chk = %x\n", checksum);
 #endif
 	// send stream
-	write(stmbl.device, &prefix_byte, 1);
+	rval = write(stmbl.device, &prefix_byte, 1);
 	rval = write(stmbl.device, buf, size);
 	return rval + write(stmbl.device, &checksum, 1);
 }
@@ -127,7 +127,7 @@
 int stmblRecv(uint8_t* buf, unsigned int size)
 {
 	int rsize = 0;
-	int rval, i;
+	int rval;
 	
 	while( rsize < size ) {
 		// Look whether there are still pending bytes in the buffer
@@ -210,6 +210,7 @@
 
 int stmblGetVersionNprotection()
 {
+	return 0;
 }
 
 
@@ -236,7 +237,6 @@
 		address & 0xFF
 	};
 	int rval;
-	int i;
 
 	if (size > 256) return STMBL_ERR_SIZE;
 	if (!stmblCmdAvail(0x11)) return STMBL_ERR_INVALIDCMD;
@@ -308,19 +308,23 @@
 
 int stmblWriteProtect()
 {
+	return 0;
 }
 
 
 int stmblWriteUnprotect()
 {
+	return 0;
 }
 
 
 int stmblReadoutProtect()
 {
+	return 0;
 }
 
 
 int stmblReadoutUnprotect()
 {
+	return 0;
 }
--- Makefile~	2012-06-13 15:17:22.000000000 +0200
+++ Makefile	2012-06-13 15:17:22.000000000 +0200
@@ -10,7 +10,7 @@
 	LIBS	=
 
 	CFLAGS	= -Wall -g
-
+DESTDIR=/usr/local/bin
 
 # Do the stuff as specified above.
 all:	armst
@@ -19,7 +19,7 @@
 	$(CC) -o $@ $(CFLAGS) $(OBJ) $(LIBS)
 
 install: armst
-	install armst /usr/local/bin
+	install -p armst $(DESTDIR)
 
 clean:
 	rm *~ *.o