src/CMakeLists.txt: log compiler details

src/CMakeLists.txt

@@ -20,6 +20,10 @@ message(STATUS "CMAKE_INSTALL_DATADIR: ${CMAKE_INSTALL_FULL_DATADIR}")
 message(STATUS "CMAKE_INSTALL_DOCDIR: ${CMAKE_INSTALL_FULL_DOCDIR}")
 message(STATUS "CMAKE_INSTALL_MANDIR: ${CMAKE_INSTALL_FULL_MANDIR}")
 
+message(STATUS "CMAKE_C_COMPILER: " ${CMAKE_C_COMPILER} )
+message(STATUS "CMAKE_C_COMPILER_ID: ${CMAKE_C_COMPILER_ID}")
+message(STATUS "CMAKE_C_COMPILER_VERSION: ${CMAKE_C_COMPILER_VERSION}")
+
 find_package(Threads REQUIRED)
 
 include(${CMAKE_SOURCE_DIR}/cmake/defs.cmake)