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From dd2d42a7f877d292f86e421dd9651f4b7c2abf18 Mon Sep 17 00:00:00 2001
From: Khem Raj <raj.khem@gmail.com>
Date: Tue, 19 Apr 2022 14:57:58 -0700
Subject: [PATCH] cmake: Link with libatomic on rv32/rv64
Use of <atomic> needs to link in libatomic on riscv
Fixes
undefined reference to `__atomic_exchange_1'
Upstream-Status: Pending
Signed-off-by: Khem Raj <raj.khem@gmail.com>
---
src/lib/CMakeLists.txt | 8 +++++++-
1 file changed, 7 insertions(+), 1 deletion(-)
diff --git a/src/lib/CMakeLists.txt b/src/lib/CMakeLists.txt
index 3293376..65018be 100644
--- a/src/lib/CMakeLists.txt
+++ b/src/lib/CMakeLists.txt
@@ -37,6 +37,12 @@ else()
set(SOCKET_LIBRARY socket)
endif()
+if(CMAKE_SYSTEM_PROCESSOR STREQUAL "riscv64" OR CMAKE_SYSTEM_PROCESSOR STREQUAL "riscv32")
+ set(ATOMIC_LIBRARY atomic)
+else()
+ set(ATOMIC_LIBRARY "")
+endif()
+
if(HAVE_FUNC_PTHREAD_SETNAME_NP)
add_definitions(-DDLT_USE_PTHREAD_SETNAME_NP)
message(STATUS "Using pthread_setname_np API to set thread name")
@@ -44,7 +50,7 @@ else()
message(STATUS "pthread_setname_np API not available on this platform")
endif()
-target_link_libraries(dlt ${RT_LIBRARY} ${SOCKET_LIBRARY} Threads::Threads)
+target_link_libraries(dlt ${RT_LIBRARY} ${SOCKET_LIBRARY} ${ATOMIC_LIBRARY} Threads::Threads)
target_include_directories(dlt
PUBLIC
--
2.36.0
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