mk: add rule to print version number

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>
Acked-by: Vincent Jardin <vincent.jardin@6wind.com>

diff --git a/mk/rte.sdkconfig.mk b/mk/rte.sdkconfig.mk
index 1a508f7..68bf547 100644 (file)
--- a/mk/rte.sdkconfig.mk
+++ b/mk/rte.sdkconfig.mk
@@ -29,6 +29,12 @@
 #   (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 #   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
+.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 22e8817..e2fb91f 100644 (file)
--- a/mk/rte.sdkroot.mk
+++ b/mk/rte.sdkroot.mk
@@ -85,8 +85,8 @@ export ROOTDIRS-y ROOTDIRS- ROOTDIRS-n
 .PHONY: default
 default: all
 
-.PHONY: config
-config:
+.PHONY: config showversion
+config showversion:
        $(Q)$(MAKE) -f $(RTE_SDK)/mk/rte.sdkconfig.mk $@
 
 .PHONY: test fast_test ring_test mempool_test perf_test coverage