[llvm] 28ef805 - [AIX] Enable rtl for plugins test

[Steven Wan via llvm-commits]

Author: Steven Wan
Date: 2021-10-22T12:08:22-04:00
New Revision: 28ef8052d228be819f7bfd03738cee5723b8200f

URL: https://github.com/llvm/llvm-project/commit/28ef8052d228be819f7bfd03738cee5723b8200f
DIFF: https://github.com/llvm/llvm-project/commit/28ef8052d228be819f7bfd03738cee5723b8200f.diff

LOG: [AIX] Enable rtl for plugins test

On AIX, the plugins are linked with `-WL,-G`, which produces shared objects enabled for use with the run-time linker. This patch sets the run-time
linker at the main executable link step to allow symbols from the plugins shared objects to be properly bound.

Reviewed By: daltenty

Differential Revision: https://reviews.llvm.org/D112275

Added: 
    

Modified: 
    llvm/unittests/Passes/CMakeLists.txt

Removed: 
    


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diff  --git a/llvm/unittests/Passes/CMakeLists.txt b/llvm/unittests/Passes/CMakeLists.txt
index f9ab51c469daa..a5683cd3741f5 100644
--- a/llvm/unittests/Passes/CMakeLists.txt
+++ b/llvm/unittests/Passes/CMakeLists.txt
@@ -12,6 +12,11 @@ endif()
 # work with DLLs on Windows (where a shared library can't have undefined
 # references), so just skip this testcase on Windows.
 if (NOT WIN32)
+  # On AIX, enable run-time linking to allow symbols from the plugins shared
+  # objects to be properly bound.
+  if(CMAKE_SYSTEM_NAME STREQUAL "AIX")
+    set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -Wl,-brtl")
+  endif()
   set(LLVM_LINK_COMPONENTS Support Passes Core AsmParser)
   add_llvm_unittest(PluginsTests
     PluginsTest.cpp