Mellanox PMDs must be rebuilt if a Verbs update would cause the autoconf
file to differ.
Signed-off-by: Adrien Mazarguil <adrien.mazarguil at 6wind.com>
---
drivers/net/mlx4/Makefile | 13 +++++++++++--
drivers/net/mlx5/Makefile | 13 +++++++++++--
2 files changed, 22 insertions(+), 4 deletions(-)
diff --git a/drivers/net/mlx4/Makefile b/drivers/net/mlx4/Makefile
index 6ec33a6..ca6e483 100644
--- a/drivers/net/mlx4/Makefile
+++ b/drivers/net/mlx4/Makefile
@@ -99,7 +99,9 @@ ifndef V
AUTOCONF_OUTPUT := >/dev/null
endif
-mlx4_autoconf.h: $(RTE_SDK)/scripts/auto-config-h.sh
+mlx4_autoconf.h.new: FORCE
+
+mlx4_autoconf.h.new: $(RTE_SDK)/scripts/auto-config-h.sh
$Q $(RM) -f -- '$@'
$Q sh -- '$<' '$@' \
RSS_SUPPORT \
@@ -119,9 +121,16 @@ mlx4_autoconf.h: $(RTE_SDK)/scripts/auto-config-h.sh
enum IBV_EXP_QP_BURST_CREATE_DISABLE_ETH_LOOPBACK \
$(AUTOCONF_OUTPUT)
+# Create mlx4_autoconf.h or update it in case it differs from the new one.
+
+mlx4_autoconf.h: mlx4_autoconf.h.new
+ $Q [ -f '$@' ] && \
+ cmp '$<' '$@' $(AUTOCONF_OUTPUT) || \
+ mv '$<' '$@'
+
mlx4.o: mlx4_autoconf.h
clean_mlx4: FORCE
- $Q rm -f -- mlx4_autoconf.h
+ $Q rm -f -- mlx4_autoconf.h mlx4_autoconf.h.new
clean: clean_mlx4
diff --git a/drivers/net/mlx5/Makefile b/drivers/net/mlx5/Makefile
index a25649b..81061fe 100644
--- a/drivers/net/mlx5/Makefile
+++ b/drivers/net/mlx5/Makefile
@@ -107,7 +107,9 @@ ifndef V
AUTOCONF_OUTPUT := >/dev/null
endif
-mlx5_autoconf.h: $(RTE_SDK)/scripts/auto-config-h.sh
+mlx5_autoconf.h.new: FORCE
+
+mlx5_autoconf.h.new: $(RTE_SDK)/scripts/auto-config-h.sh
$Q $(RM) -f -- '$@'
$Q sh -- '$<' '$@' \
HAVE_EXP_QUERY_DEVICE \
@@ -148,9 +150,16 @@ mlx5_autoconf.h: $(RTE_SDK)/scripts/auto-config-h.sh
enum IBV_EXP_RECEIVE_WQ_CVLAN_INSERTION \
$(AUTOCONF_OUTPUT)
+# Create mlx5_autoconf.h or update it in case it differs from the new one.
+
+mlx5_autoconf.h: mlx5_autoconf.h.new
+ $Q [ -f '$@' ] && \
+ cmp '$<' '$@' $(AUTOCONF_OUTPUT) || \
+ mv '$<' '$@'
+
$(SRCS-$(CONFIG_RTE_LIBRTE_MLX5_PMD):.c=.o): mlx5_autoconf.h
clean_mlx5: FORCE
- $Q rm -f -- mlx5_autoconf.h
+ $Q rm -f -- mlx5_autoconf.h mlx5_autoconf.h.new
clean: clean_mlx5
--
2.1.4
