Use the version specified in CMakeLists.txt

Signed-off-by: Kunlin Yu <yukunlin@syriusrobotics.com>

Author: kunlinyu

CMakeLists.txt

@@ -5,6 +5,7 @@ project(cql2cpp
   HOMEPAGE_URL "https://github.com/IndoorSpatial/cql2cpp"
   LANGUAGES CXX
 )
+add_definitions(-DVERSION="${PROJECT_VERSION}")
 
 find_package(GTest REQUIRED)
 find_package(geos REQUIRED)

include/cql2cpp/cql2cpp.h

@@ -23,6 +23,10 @@
 #include "global_yylex.h"
 #include "tree_dot.h"
 
+#ifndef VERSION
+#define VERSION "0.0.0"
+#endif
+
 namespace cql2cpp {
 
 template <typename FeatureType>
@@ -113,6 +117,8 @@ class Cql2Cpp {
     return true;
   }
 
+  static std::string version() { return VERSION; }
+
  private:
   static bool Parse(const std::string& cql2_query, AstNodePtr* root,
                     std::string* error_msg) {

src/main.cc

@@ -21,6 +21,10 @@
 
 #include <fstream>
 
+#ifndef VERSION
+#define VERSION "0.0.0"
+#endif
+
 DEFINE_string(query, "", "cql2 query string");
 DEFINE_string(geojson, "",
               "geojson data set with multiple features in one feature "
@@ -35,7 +39,7 @@ int main(int argc, char** argv) {
   gflags::SetUsageMessage(
       "Usage: cql2 -query=\"city='Toronto'\" "
       "-geojson=\"path/to/feature_collection.geojson\" -index=0");
-  gflags::SetVersionString("0.1.0");
+  gflags::SetVersionString(VERSION);
   gflags::ParseCommandLineFlags(&argc, &argv, true);
 
   google::InitGoogleLogging(argv[0]);