File: libcxx-libatomic-only-with-gcc-rtlib.diff

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llvm-toolchain-21 1%3A21.1.0-1
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if libatomic is found only link it if libgcc is the rtlib
Index: llvm-toolchain-snapshot_21~++20250630094904+57f7e14b5779/libcxx/CMakeLists.txt
===================================================================
--- llvm-toolchain-snapshot_21~++20250630094904+57f7e14b5779.orig/libcxx/CMakeLists.txt
+++ llvm-toolchain-snapshot_21~++20250630094904+57f7e14b5779/libcxx/CMakeLists.txt
@@ -668,13 +668,16 @@ function(cxx_link_system_libraries targe
       endif()
     elseif (LIBCXX_HAS_GCC_LIB)
       target_link_libraries(${target} PRIVATE gcc)
+      if (LIBCXX_HAS_ATOMIC_LIB)
+        target_link_libraries(${target} PRIVATE atomic)
+      endif()
     elseif (LIBCXX_HAS_GCC_S_LIB)
       target_link_libraries(${target} PRIVATE gcc_s)
     endif()
-  endif()
 
-  if (LIBCXX_HAS_ATOMIC_LIB)
-    target_link_libraries(${target} PRIVATE atomic)
+    if (LIBCXX_HAS_ATOMIC_LIB)
+      target_link_libraries(${target} PRIVATE atomic)
+    endif()
   endif()
 
   if (MINGW)