dlt-daemon: Fix build on rv32/rv64

This is seen with gcc particularly

Signed-off-by: Khem Raj <raj.khem@gmail.com>

meta-oe/recipes-extended/dlt-daemon/dlt-daemon/0001-cmake-Link-with-libatomic-on-rv32-rv64.patch

@@ -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
+

meta-oe/recipes-extended/dlt-daemon/dlt-daemon_2.18.8.bb

@@ -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