coz: migrate to Conan v2

recipes/coz/all/conanfile.py

@@ -1,61 +1,74 @@
 import os
-from conans import ConanFile, CMake, tools
-from conans.errors import ConanInvalidConfiguration
 
-required_conan_version = ">=1.33.0"
+from conan import ConanFile
+from conan.errors import ConanInvalidConfiguration
+from conan.tools.build import check_min_cppstd
+from conan.tools.cmake import CMake, CMakeDeps, CMakeToolchain, cmake_layout
+from conan.tools.files import get, rmdir
+from conan.tools.microsoft import is_msvc
+from conan.tools.scm import Version
+
+required_conan_version = ">=1.53.0"
 
 
 class CozConan(ConanFile):
     name = "coz"
-    description = """Causal profiler, uses performance experiments
-                     to predict the effect of optimizations"""
+    description = "Causal profiler, uses performance experiments to predict the effect of optimizations"
+    license = "BSD-2-Clause"
     url = "https://github.com/conan-io/conan-center-index"
     homepage = "http://coz-profiler.org"
-    license = "BSD-2-Clause"
-    topics = ("conan", "coz", "profiler", "causal")
+    topics = ("profiler", "causal")
 
+    package_type = "application"
     settings = "os", "arch", "compiler", "build_type"
 
-    requires = "libelfin/0.3"
-    exports_sources = "CMakeLists.txt"
-    generators = "cmake", "cmake_find_package"
+    def layout(self):
+        cmake_layout(self, src_folder="src")
 
-    _source_subfolder = "source_subfolder"
+    def package_id(self):
+        del self.info.settings.compiler
+        del self.info.settings.build_type
+
+    def requirements(self):
+        self.requires("libelfin/0.3")
 
     def validate(self):
-        compiler = self.settings.compiler
-        compiler_version = tools.Version(self.settings.compiler.version)
-        if self.settings.os == "Macos" or compiler == "Visual Studio" or (
-                compiler == "gcc" and compiler_version < "5.0"):
-            raise ConanInvalidConfiguration(
-                "coz doesn't support compiler: {} on OS: {}.".format(
-                    self.settings.compiler, self.settings.os))
         if self.settings.compiler.cppstd:
-            tools.check_min_cppstd(self, "11")
+            check_min_cppstd(self, 11)
+        compiler = self.settings.compiler
+        compiler_version = Version(self.settings.compiler.version)
+        if self.settings.os == "Macos" or is_msvc(self) or (compiler == "gcc" and compiler_version < "5.0"):
+            raise ConanInvalidConfiguration(f"coz doesn't support compiler: {self.settings.compiler} on OS: {self.settings.os}.")
 
     def source(self):
-        tools.get(**self.conan_data["sources"][self.version],
-                  destination=self._source_subfolder, strip_root=True)
-
-    _cmake = None
+        get(self, **self.conan_data["sources"][self.version], strip_root=True)
 
-    def _configure_cmake(self):
-        if self._cmake:
-            return self._cmake
-        self._cmake = CMake(self)
-        self._cmake.configure()
-        return self._cmake
+    def generate(self):
+        tc = CMakeToolchain(self)
+        tc.generate()
+        tc = CMakeDeps(self)
+        tc.generate()
 
     def build(self):
-        cmake = self._configure_cmake()
+        cmake = CMake(self)
+        cmake.configure()
         cmake.build()
 
     def package(self):
-        cmake = self._configure_cmake()
+        cmake = CMake(self)
         cmake.install()
-        tools.rmdir(os.path.join(self.package_folder, "lib", "cmake"))
+        rmdir(self, os.path.join(self.package_folder, "lib", "cmake"))
 
     def package_info(self):
+        # https://github.com/plasma-umass/coz/#cmake
+        self.cpp_info.set_property("cmake_file_name", "coz-profiler")
+        self.cpp_info.set_property("cmake_target_name", "coz::coz")
+
+        self.cpp_info.frameworkdirs = []
+        self.cpp_info.libdirs = []
+        self.cpp_info.resdirs = []
+
+        # TODO: to remove in conan v2 once cmake_find_package_* generators removed
         self.cpp_info.filenames["cmake_find_package"] = "coz-profiler"
         self.cpp_info.filenames["cmake_find_package_multi"] = "coz-profiler"
         self.cpp_info.names["cmake_find_package"] = "coz"

recipes/coz/all/test_package/CMakeLists.txt

@@ -1,8 +1,7 @@
-cmake_minimum_required(VERSION 3.1)
+cmake_minimum_required(VERSION 3.15)
 project(test_package C)
 
-include(${CMAKE_BINARY_DIR}/conanbuildinfo.cmake)
-conan_basic_setup()
+find_package(coz-profiler REQUIRED CONFIG)
 
 add_executable(${PROJECT_NAME} test_package.c)
-target_link_libraries(${PROJECT_NAME} ${CONAN_LIBS})
+target_link_libraries(${PROJECT_NAME} PRIVATE coz::coz)

recipes/coz/all/test_package/conanfile.py

@@ -1,19 +1,31 @@
-from conans import ConanFile, CMake, tools
 import os
 
+from conan import ConanFile
+from conan.tools.build import can_run
+from conan.tools.cmake import cmake_layout, CMake
+
 
 class TestPackageConan(ConanFile):
-    settings = "os", "compiler", "build_type", "arch"
-    generators = "cmake"
+    settings = "os", "arch", "compiler", "build_type"
+    generators = "CMakeDeps", "CMakeToolchain", "VirtualRunEnv"
+    test_type = "explicit"
+
+    def requirements(self):
+        self.requires(self.tested_reference_str)
+
+    def layout(self):
+        cmake_layout(self)
 
     def build(self):
-        cmake = CMake(self, build_type="RelWithDebInfo") # To work properly Coz tool requires debug information https://github.com/plasma-umass/coz
+        # FIXME: To work properly Coz tool requires debug information https://github.com/plasma-umass/coz
+        # cmake = CMake(self, build_type="RelWithDebInfo")
+        cmake = CMake(self)
         cmake.configure()
         cmake.build()
 
     def test(self):
-        if tools.cross_building(self.settings):
-            return
-        bin_path = os.path.join("bin", "test_package")
-        self.run("coz run --- " + bin_path, run_environment=True)
-        print(open("profile.coz").read())
+        if can_run(self):
+            bin_path = os.path.join(self.cpp.build.bindir, "test_package")
+            self.run(bin_path, env="conanrun")
+            self.run("coz run --- " + bin_path, env="conanrun")
+            print(open("profile.coz").read())

recipes/coz/all/test_v1_package/CMakeLists.txt

@@ -0,0 +1,8 @@
+cmake_minimum_required(VERSION 3.15)
+project(test_package)
+
+include(${CMAKE_BINARY_DIR}/conanbuildinfo.cmake)
+conan_basic_setup(TARGETS)
+
+add_subdirectory(${CMAKE_CURRENT_SOURCE_DIR}/../test_package/
+                 ${CMAKE_CURRENT_BINARY_DIR}/test_package/)

recipes/coz/all/test_v1_package/conanfile.py

@@ -0,0 +1,19 @@
+from conans import ConanFile, CMake, tools
+import os
+
+
+class TestPackageConan(ConanFile):
+    settings = "os", "compiler", "build_type", "arch"
+    generators = "cmake", "cmake_find_package_multi"
+
+    def build(self):
+        cmake = CMake(self, build_type="RelWithDebInfo") # To work properly Coz tool requires debug information https://github.com/plasma-umass/coz
+        cmake.configure()
+        cmake.build()
+
+    def test(self):
+        if tools.cross_building(self.settings):
+            return
+        bin_path = os.path.join("bin", "test_package")
+        self.run("coz run --- " + bin_path, run_environment=True)
+        print(open("profile.coz").read())