From c0ab8ed4e9bf2a1db8ce7edf4fc8cb29679b8c2c Mon Sep 17 00:00:00 2001
From: Corentin Le Molgat <corentinl@google.com>
Date: Mon, 21 Feb 2022 15:32:42 +0100
Subject: [PATCH] cmake: rework default build type management

---
 CMakeLists.txt | 15 +++++++++++++--
 1 file changed, 13 insertions(+), 2 deletions(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 73dbd85968..5dd53182ce 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -20,10 +20,21 @@ set(CMAKE_CXX_EXTENSIONS OFF)
 set(CMAKE_OSX_DEPLOYMENT_TARGET 10.15)
 
 # Default Build Type to be Release
-if(NOT CMAKE_BUILD_TYPE)
-  set(CMAKE_BUILD_TYPE "Release" CACHE STRING
+get_property(isMultiConfig GLOBAL PROPERTY GENERATOR_IS_MULTI_CONFIG)
+if(isMultiConfig)
+  if(NOT CMAKE_CONFIGURATION_TYPES)
+    set(CMAKE_CONFIGURATION_TYPES "Release;Debug" CACHE STRING
+    "Choose the type of builds, options are: Debug Release RelWithDebInfo MinSizeRel. (default: Release;Debug)"
+    FORCE)
+  endif()
+  message(STATUS "Configuration types: ${CMAKE_CONFIGURATION_TYPES}")
+else()
+  if(NOT CMAKE_BUILD_TYPE)
+    set(CMAKE_BUILD_TYPE "Release" CACHE STRING
     "Choose the type of build, options are: Debug Release RelWithDebInfo MinSizeRel. (default: Release)"
     FORCE)
+  endif()
+  message(STATUS "Build type: ${CMAKE_BUILD_TYPE}")
 endif()
 
 # Layout build dir like install dir