packaging: Skip DEB package configuration if not run on a DEB system

Author: rsomla1

packaging/deb-in/CMakeLists.txt

@@ -26,9 +26,18 @@
 # along with this program; if not, write to the Free Software Foundation, Inc.,
 # 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
 
-IF(NOT CMAKE_SYSTEM_NAME STREQUAL "Linux")
-  RETURN()
-ENDIF()
+if(NOT CMAKE_SYSTEM_NAME STREQUAL "Linux")
+  message("Skipping DEB package configuration: not a Linux system")
+  return()
+endif()
+
+find_program(LSB_RELEASE lsb_release)
+if(NOT LSB_RELEASE)
+  message("Skipping DEB package configuration: lsb_release was not found")
+  return()
+endif()
+
+
 IF (NOT DEFINED DEB_CODENAME)
   execute_process(
     COMMAND lsb_release -cs