add PACKAGE_VERSION

Author: DavidingPlus

CMakeLists.txt

@@ -4,6 +4,19 @@ set (CMAKE_CXX_STANDARD 11)
 set (CMAKE_CXX_STANDARD_REQUIRED true)
 
 
+if (NOT DEFINED PACKAGE_VERSION)
+    message ("-- WARNING: Package version is not defined, set as 0.0.0")
+    set (PACKAGE_VERSION "0.0.0")
+endif ()
+
+message ("-- Package version: ${PACKAGE_VERSION}")
+
+project ("CMake Project"
+    VERSION ${PACKAGE_VERSION}
+    DESCRIPTION "C/C++ 项目的 CMake 模板。"
+)
+
+
 # configure unit test
 option (WITH_GTEST "Enable unit tests by GoogleTest" OFF)
 

conanfile.py

@@ -4,6 +4,7 @@
 
 class ExampleRecipe(ConanFile):
     name = "cmake-project"
+    version = "1.1.1"
     description = "C/C++ 项目的 CMake 模板。"
     languages = "C++"
     author = "DavidingPlus"
@@ -29,5 +30,6 @@ def layout(self):
     def generate(self):
         tc = CMakeToolchain(self)
         tc.presets_prefix = "cmake-project"
+        tc.cache_variables["PACKAGE_VERSION"] = self.version
         tc.cache_variables["with_gtest"] = self.options.with_gtest
         tc.generate()