From affa0c3072f7f275df1df29582add5a1d1779151 Mon Sep 17 00:00:00 2001
From: Jonathan Peyton <jonathan.l.peyton@intel.com>
Date: Thu, 2 Feb 2023 11:18:36 -0600
Subject: [PATCH] [OpenMP][libomp] Fix CMake version symbol testing

Do not check for version symbol support if the necessary linker flag is
not supported.

Differential Revision: https://reviews.llvm.org/D143200

(cherry picked from commit c32022ad260aa1e6f485c5a6820fa9973f3b108e)
---
 openmp/runtime/cmake/config-ix.cmake   | 6 +++++-
 openmp/runtime/src/exports_test_so.txt | 4 ----
 2 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/openmp/runtime/cmake/config-ix.cmake b/openmp/runtime/cmake/config-ix.cmake
index 8e76e66066a99..d0eda6d8ca39a 100644
--- a/openmp/runtime/cmake/config-ix.cmake
+++ b/openmp/runtime/cmake/config-ix.cmake
@@ -246,7 +246,11 @@ endif()
 
 # Checking features
 # Check if version symbol assembler directives are supported
-libomp_check_version_symbols(LIBOMP_HAVE_VERSION_SYMBOLS)
+if (LIBOMP_HAVE_VERSION_SCRIPT_FLAG)
+  libomp_check_version_symbols(LIBOMP_HAVE_VERSION_SYMBOLS)
+else()
+  set(LIBOMP_HAVE_VERSION_SYMBOLS FALSE)
+endif()
 
 # Check if quad precision types are available
 if(CMAKE_C_COMPILER_ID STREQUAL "GNU")
diff --git a/openmp/runtime/src/exports_test_so.txt b/openmp/runtime/src/exports_test_so.txt
index 912d160e7c068..c0a08e6d3b23b 100644
--- a/openmp/runtime/src/exports_test_so.txt
+++ b/openmp/runtime/src/exports_test_so.txt
@@ -19,10 +19,6 @@ VERSION {
 
         *;         # All symbols as exported for testing.
 
-    local: # Non-exported symbols.
-
-        *;         # All other symbols are not exported.
-
 }; # VERSION
 
 # sets up GCC OMP_ version dependency chain