Add major, minor, patch and build versions to the version header (#27)

* Added major, minor, patch and build versions to the `version.h.in`

Fixes #26.

* made the build version a string

* fixed the build folder being included in the git

* Update CMakeLists.txt

Co-authored-by: Lars Melchior <TheLartians@users.noreply.github.com>

Co-authored-by: Lars Melchior <TheLartians@users.noreply.github.com>

Author: mscofield0

CMakeLists.txt

@@ -49,6 +49,34 @@ function(packageProject)
     endif()
 
     if(DEFINED PROJECT_VERSION_HEADER)
+      # clear previous matches
+      unset(CMAKE_MATCH_1)
+      unset(CMAKE_MATCH_3)
+      unset(CMAKE_MATCH_5)
+      unset(CMAKE_MATCH_7)
+
+      string(REGEX MATCH "^([0-9]+)(\\.([0-9]+))?(\\.([0-9]+))?(\\.([0-9]+))?$" _
+                   "${PROJECT_VERSION}"
+      )
+
+      set(PROJECT_VERSION_MAJOR ${CMAKE_MATCH_1})
+      set(PROJECT_VERSION_MINOR ${CMAKE_MATCH_3})
+      set(PROJECT_VERSION_PATCH ${CMAKE_MATCH_5})
+      set(PROJECT_VERSION_TWEAK ${CMAKE_MATCH_7})
+
+      if(NOT DEFINED PROJECT_VERSION_MAJOR)
+        set(PROJECT_VERSION_MAJOR "0")
+      endif()
+      if(NOT DEFINED PROJECT_VERSION_MINOR)
+        set(PROJECT_VERSION_MINOR "0")
+      endif()
+      if(NOT DEFINED PROJECT_VERSION_PATCH)
+        set(PROJECT_VERSION_PATCH "0")
+      endif()
+      if(NOT DEFINED PROJECT_VERSION_TWEAK)
+        set(PROJECT_VERSION_TWEAK "0")
+      endif()
+
       string(TOUPPER ${PROJECT_NAME} UPPERCASE_PROJECT_NAME)
       configure_file(
         ${PACKAGE_PROJECT_ROOT_PATH}/version.h.in

test/CMakeLists.txt

@@ -9,7 +9,7 @@ project(
 )
 
 if(TEST_INSTALLED_VERSION)
-  find_package(dependency 1.2.3 REQUIRED)
+  find_package(dependency 1.2 REQUIRED)
   find_package(namespaced_dependency 4.5.6 REQUIRED)
   find_package(transitive_dependency 7.8.9 REQUIRED)
 else()

test/dependency/CMakeLists.txt

@@ -2,7 +2,7 @@ cmake_minimum_required(VERSION 3.14)
 
 project(
   dependency
-  VERSION 1.2.3
+  VERSION 1.2
   LANGUAGES CXX
 )
 

test/dependency/source/dependency.cpp

@@ -4,4 +4,8 @@
 
 void dependencyFunction() {
   std::cout << "Using dependency version " << DEPENDENCY_VERSION << std::endl;
+  std::cout << "Dependency version major: " << DEPENDENCY_VERSION_MAJOR << std::endl;
+  std::cout << "Dependency version minor: " << DEPENDENCY_VERSION_MINOR << std::endl;
+  std::cout << "Dependency version patch: " << DEPENDENCY_VERSION_PATCH << std::endl;
+  std::cout << "Dependency version build: " << DEPENDENCY_VERSION_TWEAK << std::endl;
 }

test/main.cpp

@@ -12,8 +12,20 @@ int main() {
   ns::namespacedDependencyFunction();
   transitiveDependencyFunction();
   auto result = true;
-  result &= DEPENDENCY_VERSION == std::string("1.2.3");
+  result &= DEPENDENCY_VERSION == std::string("1.2");
+  result &= DEPENDENCY_VERSION_MAJOR == 1;
+  result &= DEPENDENCY_VERSION_MINOR == 2;
+  result &= DEPENDENCY_VERSION_PATCH == 0;
+  result &= DEPENDENCY_VERSION_TWEAK == 0;
   result &= NAMESPACED_DEPENDENCY_VERSION == std::string("4.5.6");
-  result &= TRANSITIVE_DEPENDENCY_VERSION == std::string("7.8.9");
+  result &= NAMESPACED_DEPENDENCY_VERSION_MAJOR == 4;
+  result &= NAMESPACED_DEPENDENCY_VERSION_MINOR == 5;
+  result &= NAMESPACED_DEPENDENCY_VERSION_PATCH == 6;
+  result &= NAMESPACED_DEPENDENCY_VERSION_TWEAK == 0;
+  result &= TRANSITIVE_DEPENDENCY_VERSION == std::string("7.8.9.21948124");
+  result &= TRANSITIVE_DEPENDENCY_VERSION_MAJOR == 7;
+  result &= TRANSITIVE_DEPENDENCY_VERSION_MINOR == 8;
+  result &= TRANSITIVE_DEPENDENCY_VERSION_PATCH == 9;
+  result &= TRANSITIVE_DEPENDENCY_VERSION_TWEAK == 21948124;
   return result ? 0 : 1;
 }

test/namespaced_dependency/source/namespaced_dependency.cpp

@@ -6,5 +6,10 @@ namespace ns {
   void namespacedDependencyFunction() {
     std::cout << "Using namespaced_dependency version " << NAMESPACED_DEPENDENCY_VERSION
               << std::endl;
+
+    std::cout << "Dependency version major: " << NAMESPACED_DEPENDENCY_VERSION_MAJOR << std::endl;
+    std::cout << "Dependency version minor: " << NAMESPACED_DEPENDENCY_VERSION_MINOR << std::endl;
+    std::cout << "Dependency version patch: " << NAMESPACED_DEPENDENCY_VERSION_PATCH << std::endl;
+    std::cout << "Dependency version build: " << NAMESPACED_DEPENDENCY_VERSION_TWEAK << std::endl;
   }
 }  // namespace ns

test/transitive_dependency/CMakeLists.txt

@@ -2,7 +2,7 @@ cmake_minimum_required(VERSION 3.14)
 
 project(
   transitive_dependency
-  VERSION 7.8.9
+  VERSION 7.8.9.21948124
   LANGUAGES CXX
 )
 

test/transitive_dependency/source/transitive_dependency.cpp

@@ -4,4 +4,8 @@
 
 void TRANSITIVE_DEPENDENCY_EXPORT transitiveDependencyFunction() {
   fmt::print("Using transitive_dependency version {}\n", TRANSITIVE_DEPENDENCY_VERSION);
+  fmt::print("Dependency version major: {}\n", TRANSITIVE_DEPENDENCY_VERSION_MAJOR);
+  fmt::print("Dependency version minor: {}\n", TRANSITIVE_DEPENDENCY_VERSION_MINOR);
+  fmt::print("Dependency version patch: {}\n", TRANSITIVE_DEPENDENCY_VERSION_PATCH);
+  fmt::print("Dependency version build: {}\n", TRANSITIVE_DEPENDENCY_VERSION_TWEAK);
 }

version.h.in

@@ -1,3 +1,8 @@
 #pragma once
 
 #define @UPPERCASE_PROJECT_NAME@_VERSION "@PROJECT_VERSION@"
+
+#define @UPPERCASE_PROJECT_NAME@_VERSION_MAJOR @PROJECT_VERSION_MAJOR@
+#define @UPPERCASE_PROJECT_NAME@_VERSION_MINOR @PROJECT_VERSION_MINOR@
+#define @UPPERCASE_PROJECT_NAME@_VERSION_PATCH @PROJECT_VERSION_PATCH@
+#define @UPPERCASE_PROJECT_NAME@_VERSION_TWEAK @PROJECT_VERSION_TWEAK@