telemetry: fix build for armv7

telemetry can not depend on EAL anymore but it still wants to get arch
headers.
We directly point at the right source directories by using the same logic
than EAL. However the special case of armv7 has been missed.

Fix this by defaulting ARCH_DIR to RTE_ARCH.

Caught on OBS:
[  162s]   SYMLINK-FILE include/rte_telemetry.h
[  162s]   CC telemetry.o
[  162s]   CC telemetry_data.o
[  162s]   CC telemetry_legacy.o
[  162s] .../lib/librte_telemetry/telemetry.c:15:10: fatal error:
 rte_spinlock.h: No such file or directory
[  162s]  #include <rte_spinlock.h>
[  162s]           ^~~~~~~~~~~~~~~~
[  162s] compilation terminated.

Fixes: 6dd571fd07c3 ("telemetry: introduce new functionality")
Signed-off-by: David Marchand <david.marchand@redhat.com>
Acked-by: Bruce Richardson <bruce.richardson@intel.com>

diff --git a/lib/librte_telemetry/Makefile b/lib/librte_telemetry/Makefile
index 29115ba7920a0d4ecc6ca61b2a3eef4ed0a7479c..c62cbd86dc2f9481a82fc92544c54fbf098b6576 100644 (file)
--- a/lib/librte_telemetry/Makefile
+++ b/lib/librte_telemetry/Makefile
@@ -6,6 +6,8 @@ include $(RTE_SDK)/mk/rte.vars.mk
 # library name
 LIB = librte_telemetry.a
 
+ARCH_DIR ?= $(RTE_ARCH)
+
 CFLAGS += -O3
 CFLAGS += $(WERROR_FLAGS) -I$(SRCDIR)
 CFLAGS += -I$(RTE_SDK)/lib/librte_metrics/