From a9399bfa9243c1498c7643d005b0caaafe65190c Mon Sep 17 00:00:00 2001
From: Duncan Ogilvie <mr.exodia.tpodt@gmail.com>
Date: Thu, 13 May 2021 03:17:42 +0200
Subject: [PATCH] WIP O2

---
 CMakeLists.txt | 2 ++
 cmake.toml     | 1 +
 cmake/O2.cmake | 6 ++++++
 3 files changed, 9 insertions(+)
 create mode 100644 cmake/O2.cmake

diff --git a/CMakeLists.txt b/CMakeLists.txt
index f15b70f..5d57b2e 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -23,6 +23,8 @@ if(CMKR_ROOT_PROJECT)
 	configure_file(cmake.toml cmake.toml COPYONLY)
 endif()
 
+include("cmake/O2.cmake")
+
 project(cmkr
 	LANGUAGES
 		CXX
diff --git a/cmake.toml b/cmake.toml
index bd8e0e8..e20e0c6 100644
--- a/cmake.toml
+++ b/cmake.toml
@@ -7,6 +7,7 @@ version = "0.1.4"
 description = "CMakeLists generator from TOML"
 languages = ["CXX"]
 subdirs = ["third_party", "tests"]
+include-before = ["cmake/O2.cmake"]
 
 [target.cmkr]
 type = "executable"
diff --git a/cmake/O2.cmake b/cmake/O2.cmake
new file mode 100644
index 0000000..b1cc667
--- /dev/null
+++ b/cmake/O2.cmake
@@ -0,0 +1,6 @@
+# Modify compile flags to change optimization level from O3 to O2
+if(MSVC)
+    set(CMAKE_CXX_FLAGS_RELEASE "/Od /Ob2 /DNDEBUG")
+else()
+    set(CMAKE_CXX_FLAGS_RELEASE "-O2")
+endif()
\ No newline at end of file