From e2a8b0adbd099cfda84e931f6a24f34e80b12fd7 Mon Sep 17 00:00:00 2001
From: Dmitry Shachnev <mitya57@gmail.com>
Date: Sat, 7 May 2022 20:51:25 +0300
Subject: [PATCH] Hardcode atomic_LIB as -latomic

find_library does not always work because libatomic.so may be in a path
like /usr/lib/gcc/x86_64-linux-gnu/11/libatomic.so, which CMake does not
consider by default.

Pick-to: 6.3
Change-Id: I73a657c470efa4f84f8629bd531edfcac3b3a352
Reviewed-by: Alexey Edelev <alexey.edelev@qt.io>
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
Reviewed-by: Qt CI Bot <qt_ci_bot@qt-project.org>
Reviewed-by: Jörg Bornemann <joerg.bornemann@qt.io>
---
 cmake/FindWrapAtomic.cmake | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/cmake/FindWrapAtomic.cmake b/cmake/FindWrapAtomic.cmake
index 3ea72bb188..006be0ed8f 100644
--- a/cmake/FindWrapAtomic.cmake
+++ b/cmake/FindWrapAtomic.cmake
@@ -33,7 +33,7 @@ int main(int, char **)
 check_cxx_source_compiles("${atomic_test_sources}" HAVE_STDATOMIC)
 if(NOT HAVE_STDATOMIC)
     set(_req_libraries "${CMAKE_REQUIRED_LIBRARIES}")
-    find_library(atomic_LIB atomic REQUIRED)
+    set(atomic_LIB "-latomic")
     set(CMAKE_REQUIRED_LIBRARIES ${atomic_LIB})
     check_cxx_source_compiles("${atomic_test_sources}" HAVE_STDATOMIC_WITH_LIB)
     set(CMAKE_REQUIRED_LIBRARIES "${_req_libraries}")
-- 
2.35.1