Merge pull request aeron-io#373 from vdidenko/version_txt

Share version between Java and C++ builds

Author: mjpt777

CMakeLists.txt

@@ -13,7 +13,14 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-cmake_minimum_required(VERSION 2.8.5 FATAL_ERROR)
+
+cmake_minimum_required(VERSION 3.0.2 FATAL_ERROR)
+cmake_policy(VERSION 3.0.2)
+
+file(STRINGS version.txt SBE_VERSION_TXT LIMIT_COUNT 1 REGEX "^[0-9]+(\\.[0-9])+")
+string(REGEX REPLACE "^([0-9]+(\\.[0-9])+).*$" "\\1" SBE_VERSION_NUMERIC "${SBE_VERSION_TXT}")
+
+project("sbe" VERSION "${SBE_VERSION_NUMERIC}")
 
 include(ExternalProject)
 include(CheckLibraryExists)

build.gradle

@@ -21,7 +21,7 @@ plugins {
 defaultTasks 'clean', 'build', 'shadowJar', 'install'
 
 def sbeGroup = 'uk.co.real-logic'
-def sbeVersion = '1.5.1-SNAPSHOT'
+def sbeVersion = new File('version.txt').text.trim()
 
 group = sbeGroup
 version = sbeVersion

version.txt

@@ -0,0 +1 @@
+1.5.1-SNAPSHOT