event/octeontx2: add libatomic dependency for 32-bit clang
authorPavan Nikhilesh <pbhagavatula@marvell.com>
Thu, 4 Jul 2019 08:59:35 +0000 (14:29 +0530)
committerThomas Monjalon <thomas@monjalon.net>
Thu, 4 Jul 2019 15:12:55 +0000 (17:12 +0200)
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.

Fixes: f0b9982cb3a7 ("event/octeontx2: add TIM bucket operations")

Signed-off-by: Pavan Nikhilesh <pbhagavatula@marvell.com>
drivers/event/octeontx2/meson.build

index bdb5bee..ecd8fd8 100644 (file)
@@ -20,6 +20,11 @@ if not dpdk_conf.get('RTE_ARCH_64')
        extra_flags += ['-Wno-int-to-pointer-cast', '-Wno-pointer-to-int-cast']
 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
+
 foreach flag: extra_flags
        if cc.has_argument(flag)
                cflags += flag