[clang] [AIX] Fix AIX BuildBot failure as AIX linker doesn't support version script. (PR #117342)

[Daniel Chen via cfe-commits]

https://github.com/DanielCChen created https://github.com/llvm/llvm-project/pull/117342

AIX BuildBot failed due to https://github.com/llvm/llvm-project/pull/116556 as AIX linker does not support version script. 
This PR is to fix the failure

This PR is on behalf of gnikolov at ca.ibm.com

>From cd1e05490ffc3dd7746d18703683e7c79b46c412 Mon Sep 17 00:00:00 2001
From: Daniel Chen <cdchen at ca.ibm.com>
Date: Fri, 22 Nov 2024 11:13:24 -0500
Subject: [PATCH] [AIX] Fix AIX BuildBot failure as AIX doesn't support version
 script.

---
 clang/tools/clang-shlib/CMakeLists.txt | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/clang/tools/clang-shlib/CMakeLists.txt b/clang/tools/clang-shlib/CMakeLists.txt
index 31484ec49c7739..2d97347ea7f828 100644
--- a/clang/tools/clang-shlib/CMakeLists.txt
+++ b/clang/tools/clang-shlib/CMakeLists.txt
@@ -48,11 +48,13 @@ add_clang_library(clang-cpp
                   ${_OBJECTS}
                   LINK_LIBS
                   ${_DEPS})
+# AIX linker does not support version script
+if (NOT ${CMAKE_SYSTEM_NAME} MATCHES "AIX")
+  configure_file(simple_version_script.map.in simple_version_script.map)
 
-configure_file(simple_version_script.map.in simple_version_script.map)
-
-if (CMAKE_SYSTEM_NAME STREQUAL "Linux")
-  target_link_options(clang-cpp PRIVATE LINKER:--version-script,${CMAKE_CURRENT_BINARY_DIR}/simple_version_script.map)
+  if (CMAKE_SYSTEM_NAME STREQUAL "Linux")
+    target_link_options(clang-cpp PRIVATE LINKER:--version-script,${CMAKE_CURRENT_BINARY_DIR}/simple_version_script.map)
+  endif()
 endif()
 
 # Optimize function calls for default visibility definitions to avoid PLT and