Build: Add AX_BOOST_[BASE/ASIO].m4, check for BOOST_ASIO

m4/sense_api_opts.m4

@@ -0,0 +1,20 @@
+SENSEAPIS_ENABLED=
+
+AC_ARG_ENABLE([senseapi-xcbxorg],
+    [AS_HELP_STRING([--enable-senseapi-xcbxorg],
+        [Enable XCB/Xorg SenseAPI backend])],
+    [AS_CASE([$enableval],
+        [no], [enable_senseapi_xcbxorg=no],
+        [yes|*], [
+            enable_senseapi_xcbxorg=yes
+            AC_DEFINE([XCBXORG_ENABLED], [1],
+                [Define to 1 if you have XCB/Xorg SenseAPI backend])
+            SENSEAPIS_ENABLED="${SENSEAPIS_ENABLED} xcbXorg"
+            PKG_CHECK_MODULES([XCB], [xcb], [], [
+                AC_MSG_ERROR(m4_normalize([XCB library not found. Sense API
+                    XCB/Xorg requires the XCB dev headers and shlib.]))
+            ])
+        ]
+    )],
+    [enable_senseapi_xcbxorg=no]
+)