Update CMakeLists.txt

Author: squidfarts

external/CMakeLists.txt

@@ -15,10 +15,20 @@ cmake_minimum_required(VERSION 3.13.2 FATAL_ERROR)
 # │  CMake status output                                                                 │
 # └──────────────────────────────────────────────────────────────────────────────────────┘
 ##########################################################################################
-message(STATUS "CMake version   : " "${CMAKE_SYSTEM_VERSION}")
-message(STATUS "Compiler        : " "${CMAKE_C_COMPILER}"    )
-message(STATUS "Operating System: " "${CMAKE_SYSTEM}"        )
-message(STATUS "I am building   : " "${PROJECT_NAME}"        )
+message(STATUS "CMake version   : " "${CMAKE_SYSTEM_VERSION}"    )
+message(STATUS "Operating System: " "${CMAKE_SYSTEM}"            )
+message(STATUS "I am building   : " "${PROJECT_NAME}"            )
+
+if (CMAKE_C_COMPILER_LOADED)
+    message(STATUS "Compiler loaded : " "${CMAKE_C_COMPILER_LOADED}" )
+    message(STATUS "Compiler type   : " "${CMAKE_C_COMPILER_ID}"     )
+    message(STATUS "Compiler version: " "${CMAKE_C_COMPILER_VERSION}")
+    message(STATUS "Compiler path   : " "${CMAKE_C_COMPILER}"        )
+
+else()
+    message(FATAL_ERROR "No compiler for the job, sorry.")
+
+endif()