[libc-commits] [libc] [do not submit] testing purposes only (PR #145984)

[Amy Huang via libc-commits]

https://github.com/amykhuang updated https://github.com/llvm/llvm-project/pull/145984

>From 2c1bfe339d8faf065a5ccd8ae565ccd55afe3a92 Mon Sep 17 00:00:00 2001
From: Amy Huang <akhuang at google.com>
Date: Thu, 26 Jun 2025 15:41:32 -0700
Subject: [PATCH] [do not submit] testing purposes only

---
 libc/CMakeLists.txt                            | 2 ++
 libc/cmake/modules/LLVMLibCArchitectures.cmake | 4 ++++
 2 files changed, 6 insertions(+)

diff --git a/libc/CMakeLists.txt b/libc/CMakeLists.txt
index 507b3aa88babf..9197281e73099 100644
--- a/libc/CMakeLists.txt
+++ b/libc/CMakeLists.txt
@@ -1,6 +1,8 @@
 cmake_minimum_required(VERSION 3.20.0)
 set(LLVM_SUBPROJECT_TITLE "libc")
 
+# nothing change
+
 if(CMAKE_SOURCE_DIR STREQUAL CMAKE_CURRENT_SOURCE_DIR)
   message(FATAL_ERROR "Builds rooted in the libc directory are not supported. "
     "Builds should be rooted in the runtimes directory instead. "
diff --git a/libc/cmake/modules/LLVMLibCArchitectures.cmake b/libc/cmake/modules/LLVMLibCArchitectures.cmake
index c94a407d974df..289ec35699f81 100644
--- a/libc/cmake/modules/LLVMLibCArchitectures.cmake
+++ b/libc/cmake/modules/LLVMLibCArchitectures.cmake
@@ -57,6 +57,10 @@ function(get_arch_and_system_from_triple triple arch_var sys_var)
     return()
   endif()
 
+  if(target_arch == "aarch64")
+    message(FATAL_ERROR "fail if arm for testing")
+  endif()
+
   set(${arch_var} ${target_arch} PARENT_SCOPE)
   list(GET triple_comps ${system_index} target_sys)