Check if C/C++ compiler is installed
Check if C/C++ compiler is installed

If C/C++ compiler isn't installed, notify user to install it.

Change-Id: I58ad124139a2b454dcd8100b14d5ed23a8065144
Signed-off-by: Caiwen Zhang<48f0592afc0a377911a8c026109b5f1af886755a@intel.com>
Reviewed-on: https://gerrit.iotivity.org/gerrit/322
Tested-by: jenkins-iotivity <09cb29e8a2b473a2c978382eec13ee06fa017bda@opendaylight.org>
Reviewed-by: Erich Keane <ec9f61fe526c14bb62c55d7c978f025ee6b3583d@intel.com>
Reviewed-by: Patrick Lankswert <97f91fabd828c4bf3dd3b3638f2b6a4d81d5fd96@intel.com>

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