Bluetooth: support host HCI pass through

Makefile.common

@@ -363,6 +363,7 @@ ifeq ($(HOST_OS),linux)
   CONFIG_ALSA ?= yes
   CONFIG_PULSEAUDIO ?= yes
   CONFIG_ESD  ?= yes
+# CONFIG_BLUEZ ?= yes
 endif
 
 ifeq ($(HOST_OS),freebsd)
@@ -402,6 +403,13 @@ endif
 
 AUDIO_SOURCES := $(call sort,$(AUDIO_SOURCES:%=audio/%))
 
+ifeq ($(CONFIG_BLUEZ),yes)
+common_LOCAL_CFLAGS += -I/usr/include
+EMULATOR_LIBQEMU_LDLIBS += -lbluetooth
+LIBBLUETOOTH_LDFLAGS := -L/usr/lib/i386-linux-gnu
+LIBBLUETOOTH_LDFLAGS_64 := -L/usr/lib/x86_64-linux-gnu
+endif
+
 common_LOCAL_CFLAGS += -Wno-sign-compare \
                 -fno-strict-aliasing -W -Wall -Wno-unused-parameter \
 

Makefile.target

@@ -378,6 +378,8 @@ LOCAL_CFLAGS    += $(BLOCK_CFLAGS)
 
 LOCAL_MODULE_TAGS := debug
 
+LOCAL_LDFLAGS += $(LIBBLUETOOTH_LDFLAGS)
+
 $(call end-emulator-program)
 
 ##############################################################################
@@ -463,6 +465,7 @@ LOCAL_STATIC_LIBRARIES += \
     emulator-libelff \
     emulator-common \
     $(SDL_STATIC_LIBRARIES)
+LOCAL_LDFLAGS += $(LIBBLUETOOTH_LDFLAGS)
 LOCAL_LDLIBS += $(common_LOCAL_LDLIBS)
 LOCAL_CFLAGS += $(common_LOCAL_CFLAGS)
 LOCAL_SRC_FILES += $(common_LOCAL_SRC_FILES)
@@ -488,6 +491,7 @@ ifeq ($(HOST_OS),linux)
         emulator64-libelff \
         emulator64-common \
         $(SDL_STATIC_LIBRARIES_64)
+    LOCAL_LDFLAGS += $(LIBBLUETOOTH_LDFLAGS_64)
     LOCAL_LDLIBS += $(common_LOCAL_LDLIBS) -m64
     LOCAL_CFLAGS += $(common_LOCAL_CFLAGS) -m64
     LOCAL_SRC_FILES += $(common_LOCAL_SRC_FILES)

android-configure.sh

@@ -25,6 +25,7 @@ OPTION_HELP=no
 OPTION_STATIC=no
 OPTION_MINGW=no
 OPTION_MULTISIM=1
+OPTION_BLUEZ=no
 
 GLES_INCLUDE=
 GLES_LIBS=
@@ -692,6 +693,33 @@ if [ "$GLES_INCLUDE" -a "$GLES_LIBS" ]; then
     echo "#define CONFIG_ANDROID_OPENGLES 1" >> $config_h
 fi
 
+case $TARGET_OS in
+    linux-*)
+        cat > $TMPC << EOF
+#include <bluetooth/bluetooth.h>
+#include <bluetooth/hci.h>
+#include <bluetooth/hci_lib.h>
+#undef main
+int main( int argc, char** argv ) {
+	return hci_open_dev(0);
+}
+EOF
+        EXTRA_CFLAGS="-I/usr/include"
+        if [ "$OPTION_TRY_64" = "yes" ]; then
+            EXTRA_LDFLAGS="-L/usr/lib/x86_64-linux-gnu"
+        else
+            EXTRA_LDFLAGS="-L/usr/lib/i386-linux-gnu"
+        fi
+        EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lbluetooth"
+        feature_check_link  OPTION_BLUEZ
+        ;;
+esac
+
+if [ "$OPTION_BLUEZ" = "yes" ]; then
+    echo "CONFIG_BLUEZ := true" >> $config_mk
+    echo "#define CONFIG_BLUEZ 1" >> $config_h
+fi
+
 echo "#define MAX_GSM_DEVICES  $OPTION_MULTISIM" >> $config_h
 
 log "Generate   : $config_h"