Use full version numbering by default.

Version numbers including patch and tweaks are now
standard. That means versions can be MAJOR.MINOR.PATCH.TWEAK

See https://cmake.org/cmake/help/latest/command/project.html for some
more details.

CMakeLists.txt

@@ -7,15 +7,10 @@
 
 cmake_minimum_required(VERSION 3.1.3)
 
-# Set project name here.
-project(CPP_BOILERPLATE)
-enable_language(C CXX)
-
-# Set version number (change as needed). These definitions are available
-# by including "exampleConfig.h" in the source. 
-# See exampleConfig.h.in for some more details.
-set(PROJECT_VERSION_MAJOR 1)
-set(PROJECT_VERSION_MINOR 0)
+# Set project name, version and laguages here. (change as needed)
+# Version numbers are available by including "exampleConfig.h" in 
+# the source. See exampleConfig.h.in for some more details.
+project(CPP_BOILERPLATE VERSION 1.2.3.4 LANGUAGES C CXX)
 
 
 # Include stuff. No change needed.

app/main.cpp

@@ -13,6 +13,10 @@ int main() {
             << PROJECT_VERSION_MAJOR
             << "."
             << PROJECT_VERSION_MINOR
+            << "."
+            << PROJECT_VERSION_PATCH
+            << "."
+            << PROJECT_VERSION_TWEAK
             << std::endl;
   std::system("cat ../LICENCE");
 

include/exampleConfig.h.in

@@ -8,3 +8,5 @@
  */
 #define PROJECT_VERSION_MAJOR @PROJECT_VERSION_MAJOR@
 #define PROJECT_VERSION_MINOR @PROJECT_VERSION_MINOR@
+#define PROJECT_VERSION_PATCH @PROJECT_VERSION_PATCH@
+#define PROJECT_VERSION_TWEAK @PROJECT_VERSION_TWEAK@