cmake: set RelWithDebInfo as default build type

Signed-off-by: Steven Noonan <[email protected]>

Author: Steven Noonan

CMakeLists.txt

@@ -8,6 +8,7 @@ project(GameNetworkingSockets C CXX)
 
 set(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} ${CMAKE_CURRENT_SOURCE_DIR}/cmake)
 
+include(DefaultBuildType)
 find_package(Sanitizers)
 
 if(SANITIZE_ADDRESS OR SANITIZE_THREAD OR SANITIZE_MEMORY OR SANITIZE_UNDEFINED)

cmake/DefaultBuildType.cmake

@@ -0,0 +1,10 @@
+# Set a default build type if none was specified
+set(default_build_type "RelWithDebInfo")
+
+if(NOT CMAKE_BUILD_TYPE AND NOT CMAKE_CONFIGURATION_TYPES)
+  message(STATUS "Setting build type to '${default_build_type}' as none was specified.")
+  set(CMAKE_BUILD_TYPE "${default_build_type}" CACHE STRING "Choose the type of build." FORCE)
+
+  # Set the possible values of build type for cmake-gui
+  set_property(CACHE CMAKE_BUILD_TYPE PROPERTY STRINGS "Debug" "Release" "MinSizeRel" "RelWithDebInfo")
+endif()