Merge pull request #134 from rsaxvc/master

Fixed BCM host library problem

mailbox.c

@@ -28,6 +28,7 @@ SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 #include <stdio.h>
 #include <string.h>
 #include <stdlib.h>
+#include <inttypes.h>
 #include <fcntl.h>
 #include <unistd.h>
 #include <assert.h>
@@ -61,7 +62,7 @@ void *mapmem(unsigned base, unsigned size)
    printf("base=0x%x, mem=%p\n", base, mem);
 #endif
    if (mem == MAP_FAILED) {
-      printf("mmap error %d\n", (int)mem);
+      printf("mmap error %" PRIdPTR "\n", (intptr_t)mem);
       exit (-1);
    }
    close(mem_fd);

makefile

@@ -7,7 +7,7 @@ ifeq ($(GPIO21), 1)
 endif
 
 all: main.o mailbox.o sample.o wave_reader.o transmitter.o
-	g++ -L/opt/vc/lib -lm -lpthread -lbcm_host -o $(EXECUTABLE) main.o mailbox.o sample.o wave_reader.o transmitter.o
+	g++ -L/opt/vc/lib -o $(EXECUTABLE) main.o mailbox.o sample.o wave_reader.o transmitter.o -lm -lpthread -lbcm_host
 
 mailbox.o: mailbox.c mailbox.h
 	g++ $(FLAGS) -c mailbox.c