Merge pull request #35 from ooxi/patch-2

Inform user of missing dependencies used to detect Linux host dist

Author: MrPointer

cmake/Platform/System/LinuxDistDetector.cmake

@@ -6,6 +6,11 @@ function(detect_host_linux_distribution)
         message(AUTHOR_WARNING "Linux distribution detection called on Apple platform")
     else () # Linux host
         find_program(lsb_release_exec lsb_release)
+
+        if ("lsb_release_exec-NOTFOUND" STREQUAL "${lsb_release_exec}")
+            message(WARNING "Linux distribution couldn't be detected - Please install 'lsb_release'.")
+        endif()
+
         execute_process(COMMAND ${lsb_release_exec} -is
                 OUTPUT_VARIABLE lsb_release_id_short
                 OUTPUT_STRIP_TRAILING_WHITESPACE)