[PATCH 1/4] build: add single source of DPDK version number

[Bruce Richardson <bruce.richardson@intel.com>]

Add a new file DPDK_VERSION to hold the current DPDK version number.
Have meson use this file for it's project version, and have make use
it for reporting out "showversion" and "showversionum".

Signed-off-by: Bruce Richardson <bruce.richardson@intel.com>
---
 DPDK_VERSION        |  1 +
 meson.build         |  2 +-
 mk/rte.sdkconfig.mk | 16 ++--------------
 3 files changed, 4 insertions(+), 15 deletions(-)
 create mode 100644 DPDK_VERSION

diff --git a/DPDK_VERSION b/DPDK_VERSION
new file mode 100644
index 000000000..c4a4cd00b
--- /dev/null
+++ b/DPDK_VERSION
@@ -0,0 +1 @@
+19.05.0-rc0
diff --git a/meson.build b/meson.build
index 69833de82..757618144 100644
--- a/meson.build
+++ b/meson.build
@@ -2,7 +2,9 @@
 # Copyright(c) 2017 Intel Corporation
 
 project('DPDK', 'C',
-	version: '19.05.0-rc0',
+	# get version number from file
+	# use "more" rather than "cat" for windows compatiblity
+	version: run_command('more', files('DPDK_VERSION')).stdout().strip(),
 	license: 'BSD',
 	default_options: ['buildtype=release', 'default_library=static'],
 	meson_version: '>= 0.47.1'
diff --git a/mk/rte.sdkconfig.mk b/mk/rte.sdkconfig.mk
index fa77331cb..8dc31d7cf 100644
--- a/mk/rte.sdkconfig.mk
+++ b/mk/rte.sdkconfig.mk
@@ -3,23 +3,11 @@
 
 .PHONY: showversion
 showversion:
-	@set -- \
-		$$(sed -rne 's,^#define RTE_VER_[A-Z_]*[[:space:]]+([0-9]+).*,\1,p' \
-			-e 's,^#define RTE_VER_SUFFIX[[:space:]]+"(.*)",\1,p' \
-			$(RTE_SRCDIR)/lib/librte_eal/common/include/rte_version.h) ;\
-		printf '%d.%02d.%d' "$$1" "$$2" "$$3"; \
-		if [ -z "$$5" ]; then echo; \
-		else printf '%s' "$$4"; \
-			if [ $$5 -lt 16 ] ; then echo $$5; \
-			else echo $$(($$5 - 16)); fi; \
-		fi
+	@cat $(RTE_SRCDIR)/DPDK_VERSION
 
 .PHONY: showversionum
 showversionum:
-	@set -- \
-		$$(sed -rne 's,^#define RTE_VER_[A-Z_]*[[:space:]]+([0-9]+).*,\1,p' \
-			$(RTE_SRCDIR)/lib/librte_eal/common/include/rte_version.h); \
-		printf '%02d%02d\n' "$$1" "$$2"
+	@cat ${RTE_SRCDIR}/DPDK_VERSION | awk -F '.' '{print $$1$$2}'
 
 INSTALL_CONFIGS := $(sort $(filter-out %~,\
 	$(patsubst $(RTE_SRCDIR)/config/defconfig_%,%,\
-- 
2.20.1