Setting up CMake to default to Debug when no build type is specified.

Summary: Turns out if you don't set CMAKE_BUILD_TYPE the default is an empty string. This results in some of the behaviors of debug builds, but not all of them. For example ENABLE_ASSERTIONS is false.

Reviewers: rnk

Reviewed By: rnk

Subscribers: chapuni, llvm-commits

Differential Revision: http://reviews.llvm.org/D7360

llvm-svn: 230041

diff --git a/llvm/CMakeLists.txt b/llvm/CMakeLists.txt
index 3da8ff0..27784c4 100644 (file)
--- a/llvm/CMakeLists.txt
+++ b/llvm/CMakeLists.txt
@@ -2,6 +2,11 @@
 
 cmake_minimum_required(VERSION 2.8.8)
 
+if (NOT CMAKE_BUILD_TYPE AND NOT CMAKE_CONFIGURATION_TYPES)
+  message(STATUS "No build type selected, default to Debug")
+  set(CMAKE_BUILD_TYPE "Debug")
+endif()
+
 # FIXME: It may be removed when we use 2.8.12.
 if(CMAKE_VERSION VERSION_LESS 2.8.12)
   # Invalidate a couple of keywords.