33 lines
1.2 KiB
Diff
33 lines
1.2 KiB
Diff
From d4a4a32cd94eccbaaa4608b0daac8b820e041214 Mon Sep 17 00:00:00 2001
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From: Gokturk Yuksek <gokturk@binghamton.edu>
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Date: Tue, 18 Feb 2020 07:52:29 +0000
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Subject: [PATCH] [Support] Check for atomics64 when deciding if '-latomic' is
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needed
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The CheckAtomic module performs two tests to determine if passing
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'-latomic' to the linker is required: one for 64-bit atomics, and
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another for non-64-bit atomics. Include the missing check for 64-bit
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atomics.
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Reviewers: beanz, compnerd
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Reviewed By: beanz, compnerd
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Tags: #llvm
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Differential Revision: https://reviews.llvm.org/D69444
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---
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llvm/lib/Support/CMakeLists.txt | 2 +-
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1 file changed, 1 insertion(+), 1 deletion(-)
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diff --git a/llvm/lib/Support/CMakeLists.txt b/llvm/lib/Support/CMakeLists.txt
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index 26332d4f539c..41c5258d0b2b 100644
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--- a/llvm/lib/Support/CMakeLists.txt
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+++ b/llvm/lib/Support/CMakeLists.txt
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@@ -26,7 +26,7 @@ elseif( CMAKE_HOST_UNIX )
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set(system_libs ${system_libs} ${TERMINFO_LIBS})
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endif()
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endif()
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- if( LLVM_ENABLE_THREADS AND HAVE_LIBATOMIC )
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+ if( LLVM_ENABLE_THREADS AND (HAVE_LIBATOMIC OR HAVE_CXX_LIBATOMICS64) )
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set(system_libs ${system_libs} atomic)
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endif()
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set(system_libs ${system_libs} ${LLVM_PTHREAD_LIB})
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