Fix warnings. Add -Werror so they break the build in future.

Makefile

@@ -10,7 +10,7 @@ SHAREDIR=$(PREFIX)/share/$(PROGNAME)
 EXTRACFLAGS=-DHTMLPATH=\"$(SHAREDIR)\"
 endif
 
-CFLAGS+=-O2 -g -Wall -W `pkg-config --cflags librtlsdr`
+CFLAGS+=-O2 -g -Wall -Werror -W `pkg-config --cflags librtlsdr`
 LIBS=-lpthread -lm -lrt
 LIBS_RTL=`pkg-config --libs librtlsdr`
 CC=gcc

debian/changelog

@@ -1,3 +1,9 @@
+dump1090-mutability (1.10.3010.14mu-9) UNRELEASED; urgency=medium
+
+  * Fix warnings. Add -Werror so they break the build in future.
+
+ -- Oliver Jowett <oliver@mutability.co.uk>  Sun, 04 Jan 2015 20:08:01 +0000
+
 dump1090-mutability (1.10.3010.14mu-8) unstable; urgency=medium
 
   * Version-only rebuild to reflect the upstream dump1090 version we

dump1090.c

@@ -28,6 +28,9 @@
 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 //
 #include "dump1090.h"
+
+static int verbose_device_search(char *s);
+
 //
 // ============================= Utility functions ==========================
 //
@@ -255,6 +258,8 @@ int modesInitRTLSDR(void) {
     rtlsdr_reset_buffer(Modes.dev);
     fprintf(stderr, "Gain reported by device: %.2f\n",
         rtlsdr_get_tuner_gain(Modes.dev)/10.0);
+
+    return 0;
 }
 //
 //=========================================================================