From eb3730cf89950bdae6f86409558c52a8bab62df6 Mon Sep 17 00:00:00 2001
From: Kai Luo <lkail@cn.ibm.com>
Date: Mon, 28 Feb 2022 02:27:26 +0000
Subject: [PATCH] [AIX][cmake][NFC] Customize name of output atomic library

Let `archive-aix-libatomic` accept additional argument to customize name of output atomic library.

Reviewed By: jsji

Differential Revision: https://reviews.llvm.org/D120534
---
 .../cmake/Modules/CompilerRTAIXUtils.cmake       | 16 ++++++++--------
 compiler-rt/lib/builtins/CMakeLists.txt          |  2 +-
 2 files changed, 9 insertions(+), 9 deletions(-)

diff --git a/compiler-rt/cmake/Modules/CompilerRTAIXUtils.cmake b/compiler-rt/cmake/Modules/CompilerRTAIXUtils.cmake
index b35ff2b86568..0e131d0ba74c 100644
--- a/compiler-rt/cmake/Modules/CompilerRTAIXUtils.cmake
+++ b/compiler-rt/cmake/Modules/CompilerRTAIXUtils.cmake
@@ -24,7 +24,7 @@ function(get_aix_libatomic_type type)
   endif()
 endfunction()
 
-macro(archive_aix_libatomic name)
+macro(archive_aix_libatomic name libname)
   cmake_parse_arguments(LIB
     ""
     ""
@@ -33,7 +33,7 @@ macro(archive_aix_libatomic name)
   set(objects_to_archive "")
   foreach (arch ${LIB_ARCHS})
     if(CAN_TARGET_${arch})
-      set(output_dir "${CMAKE_CURRENT_BINARY_DIR}/libatomic-${arch}.dir")
+      set(output_dir "${CMAKE_CURRENT_BINARY_DIR}/${libname}-${arch}.dir")
       # FIXME: Target name should be kept consistent with definition
       # in AddCompilerRT.cmake added by
       # add_compiler_rt_runtime(<name> SHARED ...)
@@ -67,14 +67,14 @@ macro(archive_aix_libatomic name)
       get_compiler_rt_output_dir(${COMPILER_RT_DEFAULT_TARGET_ARCH} output_dir)
       get_compiler_rt_install_dir(${COMPILER_RT_DEFAULT_TARGET_ARCH} install_dir)
     endif()
-    add_custom_command(OUTPUT "${output_dir}/libatomic.a"
-                       COMMAND ${CMAKE_AR} -X32_64 r "${output_dir}/libatomic.a"
+    add_custom_command(OUTPUT "${output_dir}/${libname}.a"
+                       COMMAND ${CMAKE_AR} -X32_64 r "${output_dir}/${libname}.a"
                        ${objects_to_archive}
                        DEPENDS ${objects_to_archive})
-    install(FILES "${output_dir}/libatomic.a"
+    install(FILES "${output_dir}/${libname}.a"
             DESTINATION ${install_dir})
-    add_custom_target(aix-libatomic
-                      DEPENDS "${output_dir}/libatomic.a")
+    add_custom_target(aix-${libname}
+                      DEPENDS "${output_dir}/${libname}.a")
   endif()
-  add_dependencies(${LIB_PARENT_TARGET} aix-libatomic)
+  add_dependencies(${LIB_PARENT_TARGET} aix-${libname})
 endmacro()
diff --git a/compiler-rt/lib/builtins/CMakeLists.txt b/compiler-rt/lib/builtins/CMakeLists.txt
index ea5ad9cdb864..d9c317e2a1e4 100644
--- a/compiler-rt/lib/builtins/CMakeLists.txt
+++ b/compiler-rt/lib/builtins/CMakeLists.txt
@@ -803,7 +803,7 @@ if(COMPILER_RT_BUILD_STANDALONE_LIBATOMIC)
   # archive, i.e., libatomic.a. Once cmake adds support of such usage for AIX,
   # this ad-hoc part can be removed.
   if(${CMAKE_SYSTEM_NAME} MATCHES "AIX")
-    archive_aix_libatomic(clang_rt.atomic
+    archive_aix_libatomic(clang_rt.atomic libatomic
                           ARCHS ${BUILTIN_SUPPORTED_ARCH}
                           PARENT_TARGET builtins-standalone-atomic)
   endif()