[llvm] 09856fe - [dsymutil] Explicitly link against libatomic when necessary

Luís Marques via llvm-commits llvm-commits at lists.llvm.org
Mon Feb 17 14:28:40 PST 2020


Author: Gokturk Yuksek
Date: 2020-02-17T22:28:18Z
New Revision: 09856feb3cc141f4f9c8b9edec28602ac4f21575

URL: https://github.com/llvm/llvm-project/commit/09856feb3cc141f4f9c8b9edec28602ac4f21575
DIFF: https://github.com/llvm/llvm-project/commit/09856feb3cc141f4f9c8b9edec28602ac4f21575.diff

LOG: [dsymutil] Explicitly link against libatomic when necessary

In some systems, such as RISC-V, atomic support requires explicit linking
against '-latomic' (see https://github.com/riscv/riscv-gcc/issues/12).

Reviewers: davezarzycki, hhb, beanz, jfb, JDevlieghere
Reviewed By: beanz, JDevlieghere
Tags: #llvm
Differential Revision: https://reviews.llvm.org/D69003

Added: 
    

Modified: 
    llvm/tools/dsymutil/CMakeLists.txt

Removed: 
    


################################################################################
diff  --git a/llvm/tools/dsymutil/CMakeLists.txt b/llvm/tools/dsymutil/CMakeLists.txt
index a6543c9ff2ce..dc31b86b2fc9 100644
--- a/llvm/tools/dsymutil/CMakeLists.txt
+++ b/llvm/tools/dsymutil/CMakeLists.txt
@@ -37,3 +37,7 @@ add_llvm_tool(dsymutil
 if(APPLE)
   target_link_libraries(dsymutil PRIVATE "-framework CoreFoundation")
 endif(APPLE)
+
+if(HAVE_CXX_ATOMICS_WITH_LIB OR HAVE_CXX_ATOMICS64_WITH_LIB)
+  target_link_libraries(dsymutil PRIVATE atomic)
+endif()


        


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