Set CMAKE_BUILD_TYPE to be a cached var defaulting to RelWithDebInfo (#226)

Author: Omar Awile

CMakeLists.txt

@@ -17,6 +17,9 @@ set(CMAKE_CXX_STANDARD 14)
 set(CMAKE_CXX_STANDARD_REQUIRED ON)
 set(CMAKE_CXX_EXTENSIONS OFF)
 set(VERSION_STRING "${VERSION_MAJOR}.${VERSION_MINOR}.${VERSION_PATCH}")
+set(CMAKE_BUILD_TYPE
+        RelWithDebInfo
+        CACHE STRING "Empty or one of Debug, Release, RelWithDebInfo")
 
 # =============================================================================
 # Settings to enable project as submodule

extra/CMakeLists.txt

@@ -45,7 +45,7 @@ string(REPLACE ";"
 string(TOUPPER "${CMAKE_BUILD_TYPE}" _BUILD_TYPE)
 set(BUILD_TYPE_C_FLAGS "${CMAKE_C_FLAGS_${_BUILD_TYPE}}")
 set(BUILD_TYPE_CXX_FLAGS "${CMAKE_CXX_FLAGS_${_BUILD_TYPE}}")
-message(STATUS "CXX Compile flags from BUILD_TYPE: ${BUILD_TYPE_CXX_FLAGS}")
+message(STATUS "CXX Compile flags from BUILD_TYPE (${_BUILD_TYPE}): ${BUILD_TYPE_CXX_FLAGS}")
 
 # nmodl options
 if(CORENRN_ENABLE_NMODL)