build: Add skeleton for BlueZ Android

Retrieve Bluetooth version from configure.ac.

Makefile.am

@@ -179,6 +179,7 @@ test_scripts =
 
 include Makefile.tools
 include Makefile.obexd
+include Makefile.android
 
 if HID2HCI
 rulesdir = @UDEV_DIR@/rules.d
@@ -293,7 +294,8 @@ pkgconfig_DATA = lib/bluez.pc
 endif
 
 DISTCHECK_CONFIGURE_FLAGS = --disable-datafiles --enable-library \
-					--disable-systemd --disable-udev
+					--disable-systemd --disable-udev \
+					--enable-android
 
 DISTCLEANFILES = $(pkgconfig_DATA)
 

Makefile.android

@@ -0,0 +1 @@
+EXTRA_DIST += android/Android.mk

android/Android.mk

@@ -0,0 +1,4 @@
+LOCAL_PATH := $(call my-dir)
+
+# Retrieve BlueZ version from configure.ac file
+BLUEZ_VERSION := $(shell grep ^AC_INIT $(LOCAL_PATH)/../configure.ac | cpp -P -D'AC_INIT(_,v)=v')

bootstrap-configure

@@ -12,4 +12,5 @@ fi
 		--sysconfdir=/etc \
 		--localstatedir=/var \
 		--enable-experimental \
+		--enable-android \
 		--disable-datafiles $*

configure.ac

@@ -242,4 +242,9 @@ AC_DEFINE_UNQUOTED(CONFIGDIR, "${configdir}",
 			[Directory for the configuration files])
 AC_SUBST(CONFIGDIR, "${configdir}")
 
+AC_ARG_ENABLE(android, AC_HELP_STRING([--enable-android],
+			[enable BlueZ for Android]),
+					[enable_android=${enableval}])
+AM_CONDITIONAL(ANDROID, test "${enable_android}" = "yes")
+
 AC_OUTPUT(Makefile src/bluetoothd.8 lib/bluez.pc)