[llvm] 3c65d54 - [llvm] Disable LLVM_ENABLE_PER_TARGET_RUNTIME_DIR by default on Arm Linux

[David Spickett via llvm-commits]

Author: David Spickett
Date: 2021-09-27T09:03:26Z
New Revision: 3c65d54ec3d29a32a710173349fc20288de3f481

URL: https://github.com/llvm/llvm-project/commit/3c65d54ec3d29a32a710173349fc20288de3f481
DIFF: https://github.com/llvm/llvm-project/commit/3c65d54ec3d29a32a710173349fc20288de3f481.diff

LOG: [llvm] Disable LLVM_ENABLE_PER_TARGET_RUNTIME_DIR by default on Arm Linux

Due to the way detecting the hard float ABI is currently
handled, clang fails to find the per target dir.

I am working to fix this but in the meantime disable it by
default on Arm Linux.

Added: 
    

Modified: 
    llvm/CMakeLists.txt

Removed: 
    


################################################################################
diff  --git a/llvm/CMakeLists.txt b/llvm/CMakeLists.txt
index 850728029ebe..069fb8b7c0f8 100644
--- a/llvm/CMakeLists.txt
+++ b/llvm/CMakeLists.txt
@@ -677,7 +677,8 @@ endif()
 set(LLVM_TARGET_TRIPLE_ENV CACHE STRING "The name of environment variable to override default target. Disabled by blank.")
 mark_as_advanced(LLVM_TARGET_TRIPLE_ENV)
 
-if(CMAKE_SYSTEM_NAME MATCHES "Linux")
+# Per target dir not yet supported on Arm 32 bit due to arm vs armhf handling
+if(CMAKE_SYSTEM_NAME MATCHES "Linux" AND NOT CMAKE_SYSTEM_PROCESSOR MATCHES "^arm")
   set(LLVM_ENABLE_PER_TARGET_RUNTIME_DIR_default ON)
 else()
   set(LLVM_ENABLE_PER_TARGET_RUNTIME_DIR_default OFF)