Merge pull request #2610 from Daniel-B-Smith/clang-link

Add link option specific to Clang
2020-01-29 18:19:04 -08:00 · 2020-01-29 18:19:04 -08:00 · 99a1a3694b
parent 125fe0ac27 9f1fda554c
commit 99a1a3694b
1 changed files with 4 additions and 0 deletions
--- a/cmake/ConfigureCompiler.cmake
+++ b/cmake/ConfigureCompiler.cmake
@ -199,6 +199,10 @@ else()
  endif()
  if (CLANG)
    add_compile_options()
+    # Clang has link errors unless `atomic` is specifically requested.
+    if(NOT APPLE)
+      add_link_options(-latomic)
+    endif()
    if (APPLE OR USE_LIBCXX)
      add_compile_options($<$<COMPILE_LANGUAGE:CXX>:-stdlib=libc++>)
      add_compile_definitions(WITH_LIBCXX)