When compiling with clang on 32-bit platforms, we are missing copies
of 64-bit atomic functions. We can solve this by linking against
libatomic for the drivers and libs which need those atomic ops.
Signed-off-by: Phil Yang <phil.y...@arm.com>
Reviewed-by: Ruifeng Wang <ruifeng.w...@arm.com>
Reviewed-by: Gavin Hu <gavin...@arm.com>
---
lib/librte_eal/meson.build | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/lib/librte_eal/meson.build b/lib/librte_eal/meson.build
index 4be5118..3b10eae 100644
--- a/lib/librte_eal/meson.build
+++ b/lib/librte_eal/meson.build
@@ -20,6 +20,12 @@ endif
if cc.has_function('getentropy', prefix : '#include <unistd.h>')
cflags += '-DRTE_LIBEAL_USE_GETENTROPY'
endif
+
+# for clang 32-bit compiles we need libatomic for 64-bit atomic ops
+if cc.get_id() == 'clang' and dpdk_conf.get('RTE_ARCH_64') == false
+ ext_deps += cc.find_library('atomic')
+endif
+
sources = common_sources + env_sources
objs = common_objs + env_objs
headers = common_headers + env_headers
--
2.7.4
