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[Support] Check for atomics64 when deciding if '-latomic' is needed

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The CheckAtomic module performs two tests to determine if passing
'-latomic' to the linker is required: one for 64-bit atomics, and
another for non-64-bit atomics. Include the missing check for 64-bit
atomics.

Reviewers: beanz, compnerd
Reviewed By: beanz, compnerd
Tags: #llvm
Differential Revision: https://reviews.llvm.org/D69444
This commit is contained in:
Gokturk Yuksek 2020-02-18 07:52:29 +00:00 committed by Luís Marques
parent 72aa083958
commit 1826a5d26b
1 changed files with 1 additions and 1 deletions
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2
lib/Support/CMakeLists.txt
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@ -26,7 +26,7 @@ elseif( CMAKE_HOST_UNIX )
set(system_libs ${system_libs} ${TERMINFO_LIBS})
endif()
endif()
if( LLVM_ENABLE_THREADS AND HAVE_LIBATOMIC )
if( LLVM_ENABLE_THREADS AND (HAVE_LIBATOMIC OR HAVE_CXX_LIBATOMICS64) )
set(system_libs ${system_libs} atomic)
endif()
set(system_libs ${system_libs} ${LLVM_PTHREAD_LIB})