[Mlir-commits] [mlir] [mlir] Allow CXX standard to be overridden (PR #112957)

[llvmlistbot at llvm.org]

llvmbot wrote:


<!--LLVM PR SUMMARY COMMENT-->

@llvm/pr-subscribers-mlir

Author: Nikhil Kalra (nikalra)

<details>
<summary>Changes</summary>

MLIR previously hardcoded the CXX version to C++17. Updated to allow for the CXX version to be set by clients (mirrors other LLVM projects).

---
Full diff: https://github.com/llvm/llvm-project/pull/112957.diff


1 Files Affected:

- (modified) mlir/CMakeLists.txt (+1-1) 


``````````diff
diff --git a/mlir/CMakeLists.txt b/mlir/CMakeLists.txt
index c6d44908a1111d..350a8404783bba 100644
--- a/mlir/CMakeLists.txt
+++ b/mlir/CMakeLists.txt
@@ -16,7 +16,7 @@ endif()
 
 # Must go below project(..)
 include(GNUInstallDirs)
-set(CMAKE_CXX_STANDARD 17)
+set(CMAKE_CXX_STANDARD 17 CACHE STRING "C++ standard to conform to")
 
 if(MLIR_STANDALONE_BUILD)
   find_package(LLVM CONFIG REQUIRED)

``````````

</details>


https://github.com/llvm/llvm-project/pull/112957