fixes regarding cpythob (#54)

Author: czoido

examples/basic-nanobind/CMakeLists.txt

@@ -1,7 +1,7 @@
 cmake_minimum_required(VERSION 3.15)
 project(myadder_nanobind LANGUAGES CXX)
 
-find_package(Python COMPONENTS Interpreter Development REQUIRED)
+find_package(Python COMPONENTS Interpreter Development.Module REQUIRED)
 
 find_package(nanobind CONFIG REQUIRED)
 find_package(fmt REQUIRED)

recipes/cpython/conanfile.py

@@ -36,7 +36,8 @@ def package(self):
         copy(self, "*", src=os.path.join(self.build_folder, "python"), dst=self.package_folder)
 
     def package_info(self):
-        self.cpp_info.includedirs = ["include"]
+        # this package is intended for using as application
+        self.cpp_info.includedirs = []
         self.cpp_info.libdirs = ["lib"]
 
         if self.settings.os == "Windows":
@@ -52,6 +53,6 @@ def package_info(self):
         if python_exe.exists():
             python_root = python_exe.parent.parent if python_exe.parent.name == "bin" else python_exe.parent
             python_root_str = str(python_root)
-            self.runenv_info.define("Python3_ROOT", python_root_str)
-            self.buildenv_info.define("Python3_ROOT", python_root_str)
             self.buildenv_info.define("Python3_ROOT_DIR", python_root_str)
+            # Otherwise an active venv/conda would outrank Python3_ROOT_DIR.
+            self.buildenv_info.define("Python3_FIND_VIRTUALENV", "STANDARD")

recipes/cpython/test_package/conanfile.py

@@ -6,7 +6,6 @@
 
 class TestPackageConan(ConanFile):
     settings = "os", "arch"
-    generators = "VirtualRunEnv"
 
     def requirements(self):
         self.requires(self.tested_reference_str)