CHI_CheckInstallation: Add preliminary support for MacOSX

This avoids to check for XOPs which never exist. Some checks still fail as
XOPs are folders on MacOSX but files on Windows.

Also the versions of the XOPs are not correct.

Packages/MIES/MIES_CheckInstallation.ipf

@@ -243,30 +243,39 @@ Function CHI_CheckInstallation()
 		printf "Mies version info: Valid \"%s...\" (Nice!)\r", StringFromList(0, miesVersion, "\r")
 	endif
 
+#ifdef WINDOWS
 	CHI_CheckXOP(listOfXOPs, "itcxop2-64.xop", "ITC XOP", state)
 	CHI_CheckXOP(listOfXOPs, "AxonTelegraph64.xop", "Axon Telegraph XOP", state)
 	CHI_CheckXOP(listOfXOPs, "MultiClamp700xCommander64.xop", "Multi Clamp Commander XOP", state)
+#endif
 
 	// one operation/function of each non-hardware XOP needs to be called in CheckCompilation_IGNORE()
 	CHI_CheckXOP(listOfXOPs, "JSON-64.xop", "JSON XOP", state)
 	CHI_CheckXOP(listOfXOPs, "ZeroMQ-64.xop", "ZeroMQ XOP", state)
 	CHI_CheckXOP(listOfXOPs, "TUF-64.xop", "TUF XOP", state)
+
+#ifdef WINDOWS
 	CHI_CheckXOP(listOfXOPs, "MiesUtils-64.xop", "MiesUtils XOP", state)
 	CHI_CheckXOP(listOfXOPs, "mies-nwb2-compound-XOP-64.xop", "NWBv2 compound XOP", state)
+#endif
 
 	CHI_CheckJSONXOPVersion(state)
+#ifdef WINDOWS
 	CHI_CheckITCXOPVersion(state)
+#endif
 	CHI_CheckTUFXOPVersion(state)
 
 	printf "Results: %d checks, %d number of errors\r", state.numTries, state.numErrors
 
+#ifdef WINDOWS
 	STRUCT CHI_InstallationState stateExtended
 	CHI_InitInstallationState(stateExtended)
 	printf "\rChecking extended installation:\r"
 
 	CHI_CheckXOP(listOfXOPs, "NIDAQmx64.xop", "NI-DAQ MX XOP", stateExtended, expectedHash = CHI_NIDAQ_XOP_64_HASH)
 
 	printf "Results: %d checks, %d number of errors\r", stateExtended.numTries, stateExtended.numErrors
+#endif
 	ControlWindowToFront()
 
 	return state.numErrors