[dpdk-dev] [PATCH 1/2] mk: add rule to print version number

[Thomas Monjalon <thomas.monjalon@6wind.com>]

The version string is extracted from rte_version.h.
RTE_VER_* macros are concatenated and separators " . . r " are inserted.

Signed-off-by: Thomas Monjalon <thomas.monjalon@6wind.com>
---
 mk/rte.sdkconfig.mk |    6 ++++++
 mk/rte.sdkroot.mk   |    4 ++--
 2 files changed, 8 insertions(+), 2 deletions(-)

diff --git a/mk/rte.sdkconfig.mk b/mk/rte.sdkconfig.mk
index 2c071a2..6eb389c 100644
--- a/mk/rte.sdkconfig.mk
+++ b/mk/rte.sdkconfig.mk
@@ -31,6 +31,12 @@
 # 
 #  version: DPDK.L.1.2.3-3
 
+.PHONY: showversion
+showversion:
+	@sed -rn 's,^#define RTE_VER_[A-Z_]*[[:space:]]+([0-9]+).*,\1,p' \
+		$(RTE_SRCDIR)/lib/librte_eal/common/include/rte_version.h | \
+		tr '\n' '.' | sed -r 's,\.([0-9]+)\.$$,r\1\n,'
+
 INSTALL_CONFIGS := $(filter-out %~,\
 	$(patsubst $(RTE_SRCDIR)/config/defconfig_%,%,\
 	$(wildcard $(RTE_SRCDIR)/config/defconfig_*)))
diff --git a/mk/rte.sdkroot.mk b/mk/rte.sdkroot.mk
index 905b678..b5126c0 100644
--- a/mk/rte.sdkroot.mk
+++ b/mk/rte.sdkroot.mk
@@ -87,8 +87,8 @@ export ROOTDIRS-y ROOTDIRS- ROOTDIRS-n
 .PHONY: default
 default: all
 
-.PHONY: config showconfigs
-config showconfigs:
+.PHONY: config showconfigs showversion
+config showconfigs showversion:
 	$(Q)$(MAKE) -f $(RTE_SDK)/mk/rte.sdkconfig.mk $@
 
 .PHONY: test fast_test ring_test mempool_test
-- 
1.7.10.4