Add versioning and 1.0.0 as version

Author: gitbuda

CMakeLists.txt

@@ -13,7 +13,13 @@
 # limitations under the License.
 
 cmake_minimum_required(VERSION 3.4)
-project(mgclient VERSION 0.1)
+
+project(mgclient VERSION 1.0.0)
+# Minor version increase can also mean ABI incompatibility with previous
+# versions. IMPORTANT: Take care of the SO version manually.
+set(mgclient_SOVERSION 1)
+add_definitions(-DMGCLIENT_VERSION="${mgclient_VERSION}")
+
 # Building tests is disabled by default to simplify the default build config.
 option(BUILD_TESTING "" OFF)
 # Integration tests are disabled by default, since the memgraph instance is

include/mgclient.h

@@ -129,6 +129,11 @@ extern "C" {
 
 #include <stdint.h>
 
+/// Client software version.
+///
+/// \return Client version in the major.minor.patch format.
+MGCLIENT_EXPORT const char *mg_client_version();
+
 /// An enum listing all the types as specified by Bolt protocol.
 enum mg_value_type {
   MG_VALUE_TYPE_NULL,

src/CMakeLists.txt

@@ -40,6 +40,7 @@ target_link_libraries(mgclient-static PRIVATE ${OPENSSL_LIBRARIES})
 add_library(mgclient-shared SHARED ${mgclient_src_files})
 set_target_properties(mgclient-shared PROPERTIES
         OUTPUT_NAME mgclient
+        SOVERSION ${mgclient_SOVERSION}
         C_VISIBILITY_PRESET hidden)
 target_include_directories(mgclient-shared
         PUBLIC

src/mgclient.c

@@ -33,6 +33,8 @@
 #include "mgmessage.h"
 #include "mgsession.h"
 
+const char *mg_client_version() { return MGCLIENT_VERSION; }
+
 typedef struct mg_session_params {
   const char *address;
   const char *host;