new file mode 100644
@@ -0,0 +1,45 @@
+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} ${ATOMIC_LIBRARY} Threads::Threads)
+
+ target_include_directories(dlt
+ PUBLIC
+--
+2.36.0
+
@@ -17,6 +17,7 @@ DEPENDS = "zlib gzip-native json-c"
SRC_URI = "git://github.com/GENIVI/${BPN}.git;protocol=https;branch=master \
file://0002-Don-t-execute-processes-as-a-specific-user.patch \
file://0004-Modify-systemd-config-directory.patch \
+ file://0001-cmake-Link-with-libatomic-on-rv32-rv64.patch \
"
SRCREV = "0138c00811c86eab4ff6bff3c6528163885ade19"
@@ -24,6 +25,8 @@ PV .= "+2.18.9git${SRCPV}"
S = "${WORKDIR}/git"
+LDFLAGS:append:riscv64 = " -latomic"
+
PACKAGECONFIG ?= "${@bb.utils.contains('DISTRO_FEATURES', 'systemd', ' systemd systemd-watchdog systemd-journal dlt-examples dlt-adaptor dlt-console ', '', d)} \
udp-connection dlt-system dlt-filetransfer "
# dlt-dbus
This is seen with gcc particularly Signed-off-by: Khem Raj <raj.khem@gmail.com> --- ...ake-Link-with-libatomic-on-rv32-rv64.patch | 45 +++++++++++++++++++ .../dlt-daemon/dlt-daemon_2.18.8.bb | 3 ++ 2 files changed, 48 insertions(+) create mode 100644 meta-oe/recipes-extended/dlt-daemon/dlt-daemon/0001-cmake-Link-with-libatomic-on-rv32-rv64.patch