[PATCH] D40220: CMAKE: help CheckAtomic find check_library_exists

[Martell Malone via Phabricator via llvm-commits]

martell updated this revision to Diff 123490.
martell added a comment.

add context so reviewers can see where it is used


Repository:
  rL LLVM

https://reviews.llvm.org/D40220

Files:
  cmake/modules/CheckAtomic.cmake


Index: cmake/modules/CheckAtomic.cmake
===================================================================
--- cmake/modules/CheckAtomic.cmake
+++ cmake/modules/CheckAtomic.cmake
@@ -1,6 +1,7 @@
 # atomic builtins are required for threading support.
 
 INCLUDE(CheckCXXSourceCompiles)
+INCLUDE(CheckLibraryExists)
 
 # Sometimes linking against libatomic is required for atomic ops, if
 # the platform doesn't support lock-free atomics.


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