Fix for Mac OS X 10.5.

backend/Makefile.am

@@ -4,7 +4,7 @@ SOURCES = \
 	src/http_packet.cpp            \
 	deps/http-parser/http_parser.c
 
-CFLAGS = \
+CFLAGS += \
 	-DHAVE_STDARG_H                \
 	-Wall                          \
 	-include src/config.h          \
@@ -21,6 +21,7 @@ CFLAGS  += -DPLATFORM_OSX
 CFLAGS  += -framework Security
 CFLAGS  += -framework SystemConfiguration
 CFLAGS  += -framework CoreFoundation
+CFLAGS  += -I/usr/local/include
 LIBS    += -lpcap
 DEST     = $(top_builddir)/xpi/platform/Darwin_x86-gcc3
 endif

backend/src/http_sniffer.cpp

@@ -33,7 +33,7 @@ void HttpSniffer::start()
 		throw runtime_error(str(boost::format("%s is not an Ethernet device") % m_iface));
 
 	/* compile the filter expression */
-	if (pcap_compile(handle, &fp, m_filter.c_str(), 0, net) == -1)
+	if (pcap_compile(handle, &fp, (char *)m_filter.c_str(), 0, net) == -1)
 		throw runtime_error(str(boost::format("Couldn't parse filter %s: %s") % m_filter % pcap_geterr(handle)));
 
 	/* apply the compiled filter */

configure.ac

@@ -32,7 +32,7 @@ case "$host_os" in
 		TARGET=WIN32
 	;;
 	darwin*)
-		CFLAGS="-arch i386"
+		CFLAGS="-isysroot /Developer/SDKs/MacOSX10.5.sdk -arch i386 -mmacosx-version-min=10.5"
 		TARGET=OSX
 	;;
 	*)