Pybind11 fix linkage

recipes/pybind11/all/conanfile.py

@@ -1,12 +1,12 @@
-from conans import ConanFile, CMake
-from conan.errors import ConanInvalidConfiguration
+from conan import ConanFile
+from conan.tools.cmake import CMake, CMakeToolchain
+from conan.tools.layout import basic_layout
 from conan.tools.files import get, copy, replace_in_file
 from conan.tools.scm import Version
 import os
-import functools
 
 
-required_conan_version = ">=1.33.0"
+required_conan_version = ">=1.52.0"
 
 
 class PyBind11Conan(ConanFile):
@@ -16,38 +16,32 @@ class PyBind11Conan(ConanFile):
     homepage = "https://github.com/pybind/pybind11"
     license = "BSD-3-Clause"
     url = "https://github.com/conan-io/conan-center-index"
-    exports_sources = "CMakeLists.txt"
     settings = "os", "arch", "compiler", "build_type"
-    generators = "cmake"
     no_copy_source = True
 
-    @property
-    def _source_subfolder(self):
-        return "source_subfolder"
+    def layout(self):
+        basic_layout(self, src_folder="src")
 
     def source(self):
-        get(self, **self.conan_data["sources"][self.version], destination=self._source_subfolder, strip_root=True)
+        get(self, **self.conan_data["sources"][self.version], destination=self.source_folder, strip_root=True)
 
-    def validate(self):
-        if self.settings.compiler == "apple-clang" and Version(self.settings.compiler.version) >= "11.0":
-            raise ConanInvalidConfiguration("OSX support is bugged. Check https://github.com/pybind/pybind11/issues/3081")
+    def generate(self):
+        toolchain = CMakeToolchain(self)
+        toolchain.cache_variables.update({
+            "PYBIND11_INSTALL": True,
+            "PYBIND11_TEST": False,
+            "PYBIND11_CMAKECONFIG_INSTALL_DIR": "lib/cmake/pybind11"
+        })
+        toolchain.generate()
 
-    @functools.lru_cache(1)
-    def _configure_cmake(self):
+    def build(self):
         cmake = CMake(self)
-        cmake.definitions["PYBIND11_INSTALL"] = True
-        cmake.definitions["PYBIND11_TEST"] = False
-        cmake.definitions["PYBIND11_CMAKECONFIG_INSTALL_DIR"] = "lib/cmake/pybind11"
         cmake.configure()
-        return cmake
-
-    def build(self):
-        cmake = self._configure_cmake()
         cmake.build()
 
     def package(self):
-        copy(self, "LICENSE", src=os.path.join(self.source_folder, self._source_subfolder), dst=os.path.join(self.package_folder, "licenses"))
-        cmake = self._configure_cmake()
+        copy(self, "LICENSE", src=self.source_folder, dst=os.path.join(self.package_folder, "licenses"))
+        cmake = CMake(self)
         cmake.install()
         for filename in ["pybind11Targets.cmake", "pybind11Config.cmake", "pybind11ConfigVersion.cmake"]:
             try:

recipes/pybind11/all/test_package/CMakeLists.txt

@@ -1,16 +1,9 @@
 cmake_minimum_required(VERSION 3.4)
 project(test_package CXX)
 
-include("${CMAKE_BINARY_DIR}/conanbuildinfo.cmake")
-conan_output_dirs_setup()
-conan_set_rpath()
-conan_set_std()
-conan_set_fpic()
-conan_check_compiler()
-conan_set_libcxx()
-conan_set_vs_runtime()
-
+find_package(Python COMPONENTS Interpreter Development)
 find_package(pybind11 REQUIRED CONFIG)
-
-pybind11_add_module(test_package MODULE test_package.cpp)
+#pybind11_add_module(test_package MODULE test_package.cpp)
+Python_add_library(test_package test_package.cpp)
+target_link_libraries(test_package PRIVATE pybind11::headers)
 set_property(TARGET test_package PROPERTY CXX_STANDARD 11)

recipes/pybind11/all/test_package/conanfile.py

@@ -1,16 +1,37 @@
-from conans import ConanFile, CMake, tools
+from conan import ConanFile
+from conan.tools.cmake import CMake, CMakeDeps, CMakeToolchain
+from conan.tools.env import VirtualRunEnv
+from conan.tools.build import can_run
+from conan.tools.layout import cmake_layout
+from conans.tools import environment_append
+
 import os
 import sys
-from platform import python_version
 
 
 class TestPackageConan(ConanFile):
     settings = "os", "compiler", "build_type", "arch"
-    generators = "cmake", "cmake_find_package_multi"
+    test_type = "explicit"
+
+    def requirements(self):
+        self.requires(self.tested_reference_str)
+
+    def generate(self):
+        deps = CMakeDeps(self)
+        deps.generate()
+
+        toolchain = CMakeToolchain(self)
+        toolchain.cache_variables["PYTHON_EXECUTABLE"] = self._python_interpreter
+        toolchain.generate()
+
+        run = VirtualRunEnv(self)
+        run.generate()
+
+    def layout(self):
+        cmake_layout(self)
 
     def build(self):
         cmake = CMake(self)
-        cmake.definitions["PYTHON_EXECUTABLE"] = self._python_interpreter
         cmake.configure()
         cmake.build()
 
@@ -21,7 +42,8 @@ def _python_interpreter(self):
         return sys.executable
 
     def test(self):
-        if not tools.cross_building(self):
-            with tools.environment_append({"PYTHONPATH": "lib"}):
-                self.run("{} {}".format(self._python_interpreter, os.path.join(
-                    self.source_folder, "test.py")), run_environment=True)
+        if can_run(self):
+            python_path = os.path.join(self.build_folder, self.cpp.build.libdirs[0])
+            with environment_append({"PYTHONPATH": python_path}):
+                module_path = os.path.join(self.source_folder, "test.py")
+                self.run(f"{self._python_interpreter} {module_path}", env="conanrun")

recipes/pybind11/all/test_v1_package/CMakeLists.txt

@@ -0,0 +1,18 @@
+cmake_minimum_required(VERSION 3.4)
+project(test_package CXX)
+
+include("${CMAKE_BINARY_DIR}/conanbuildinfo.cmake")
+conan_output_dirs_setup()
+conan_set_rpath()
+conan_set_std()
+conan_set_fpic()
+conan_check_compiler()
+conan_set_libcxx()
+conan_set_vs_runtime()
+
+find_package(Python COMPONENTS Interpreter Development)
+find_package(pybind11 REQUIRED CONFIG)
+
+Python_add_library(test_package ../test_package/test_package.cpp)
+target_link_libraries(test_package PRIVATE pybind11::headers)
+set_property(TARGET test_package PROPERTY CXX_STANDARD 11)

recipes/pybind11/all/test_v1_package/conanfile.py

@@ -0,0 +1,27 @@
+from conans import ConanFile, CMake, tools
+import os
+import sys
+from platform import python_version
+
+
+class TestPackageConan(ConanFile):
+    settings = "os", "compiler", "build_type", "arch"
+    generators = "cmake", "cmake_find_package_multi"
+
+    def build(self):
+        cmake = CMake(self)
+        cmake.definitions["PYTHON_EXECUTABLE"] = self._python_interpreter
+        cmake.configure()
+        cmake.build()
+
+    @property
+    def _python_interpreter(self):
+        if getattr(sys, "frozen", False):
+            return "python"
+        return sys.executable
+
+    def test(self):
+        if not tools.cross_building(self):
+            with tools.environment_append({"PYTHONPATH": "lib"}):
+                python_module = os.path.join(self.source_folder, "..", "test_package", "test.py")
+                self.run(f"{self._python_interpreter} {python_module}", run_environment=True)