conan v2 support

recipes/coin-cbc/all/conandata.yml

@@ -5,6 +5,4 @@ sources:
 patches:
   "2.10.5":
     - patch_file: "patches/0001-no-pkg-config-check.patch"
-      base_path: "source_subfolder"
     - patch_file: "patches/0002-pthreads4w.patch"
-      base_path: "source_subfolder"

recipes/coin-cbc/all/conanfile.py

@@ -1,22 +1,24 @@
 from conan import ConanFile
 from conan.errors import ConanInvalidConfiguration
-from conan.tools.files import rename, get, apply_conandata_patches, rmdir, mkdir
+from conan.tools.apple import fix_apple_shared_install_name
 from conan.tools.build import cross_building
-from conan.tools.scm import Version
-from conans import AutoToolsBuildEnvironment, tools
-from contextlib import contextmanager
+from conan.tools.env import VirtualBuildEnv
+from conan.tools.files import apply_conandata_patches, copy, export_conandata_patches, get, mkdir, rename, rm, rmdir
+from conan.tools.gnu import Autotools, AutotoolsToolchain, PkgConfigDeps
+from conan.tools.layout import basic_layout
+from conan.tools.microsoft import check_min_vs, is_msvc, msvc_runtime_flag, unix_path
 import os
-import shutil
 
-required_conan_version = ">=1.47.0"
+required_conan_version = ">=1.57.0"
+
 
 class CoinCbcConan(ConanFile):
     name = "coin-cbc"
     description = "COIN-OR Branch-and-Cut solver"
     topics = ("clp", "simplex", "solver", "linear", "programming")
     url = "https://github.com/conan-io/conan-center-index"
     homepage = "https://github.com/coin-or/Clp"
-    license = ("EPL-2.0",)
+    license = "EPL-2.0"
     settings = "os", "arch", "build_type", "compiler"
     options = {
         "shared": [True, False],
@@ -28,54 +30,44 @@ class CoinCbcConan(ConanFile):
         "fPIC": True,
         "parallel": False,
     }
-    generators = "pkg_config"
-
-    _autotools = None
-
-    @property
-    def _source_subfolder(self):
-        return "source_subfolder"
 
     @property
-    def _build_subfolder(self):
-        return "build_subfolder"
+    def _settings_build(self):
+        return getattr(self, "settings_build", self.settings)
 
     def export_sources(self):
-        for patch in self.conan_data.get("patches", {}).get(self.version, []):
-            self.copy(patch["patch_file"])
+        export_conandata_patches(self)
 
     def config_options(self):
         if self.settings.os == "Windows":
             del self.options.fPIC
 
     def configure(self):
         if self.options.shared:
-            del self.options.fPIC
+            self.options.rm_safe("fPIC")
+
+    def layout(self):
+        basic_layout(self, src_folder="src")
 
     def requirements(self):
-        self.requires("coin-utils/2.11.4")
-        self.requires("coin-osi/0.108.6")
+        self.requires("coin-utils/2.11.6")
+        self.requires("coin-osi/0.108.7")
         self.requires("coin-clp/1.17.6")
         self.requires("coin-cgl/0.60.3")
-        if self.settings.compiler == "Visual Studio" and self.options.parallel:
-            self.requires("pthreads4w/3.0.0")    
-
-    @property
-    def _settings_build(self):
-        return getattr(self, "settings_build", self.settings)
-
-    @property
-    def _user_info_build(self):
-        return getattr(self, "user_info_build", self.deps_user_info)
+        if is_msvc(self) and self.options.parallel:
+            self.requires("pthreads4w/3.0.0")
 
     def build_requirements(self):
-        self.tool_requires("gnu-config/cci.20201022")
-        self.tool_requires("pkgconf/1.7.4")
-        if self._settings_build.os == "Windows" and not tools.get_env("CONAN_BASH_PATH"):
-            self.tool_requires("msys2/cci.latest")
-        if self.settings.compiler == "Visual Studio":
+        self.tool_requires("gnu-config/cci.20210814")
+        if not self.conf.get("tools.gnu:pkg_config", check_type=str):
+            self.tool_requires("pkgconf/1.9.3")
+        if self._settings_build.os == "Windows":
+            self.win_bash = True
+            if not self.conf.get("tools.microsoft.bash:path", check_type=str):
+                self.tool_requires("msys2/cci.latest")
+        if is_msvc(self):
             self.tool_requires("automake/1.16.5")
-    
+
     def validate(self):
         if self.settings.os == "Windows" and self.options.shared:
             raise ConanInvalidConfiguration("coin-cbc does not support shared builds on Windows")
@@ -84,89 +76,94 @@ def validate(self):
             raise ConanInvalidConfiguration("coin-cbc shared not supported yet when cross-building")
 
     def source(self):
-        get(self, **self.conan_data["sources"][self.version],
-                  strip_root=True, destination=self._source_subfolder)
-
-    @contextmanager
-    def _build_context(self):
-        if self.settings.compiler == "Visual Studio":
-            with tools.vcvars(self.settings):
-                env = {
-                    "CC": "{} cl -nologo".format(tools.unix_path(self._user_info_build["automake"].compile)),
-                    "CXX": "{} cl -nologo".format(tools.unix_path(self._user_info_build["automake"].compile)),
-                    "LD": "{} link -nologo".format(tools.unix_path(self._user_info_build["automake"].compile)),
-                    "AR": "{} lib".format(tools.unix_path(self._user_info_build["automake"].ar_lib)),
-                }
-                with tools.environment_append(env):
-                    yield
-        else:
-            yield
-
-    def _configure_autotools(self):
-        if self._autotools:
-            return self._autotools
-        self._autotools = AutoToolsBuildEnvironment(self, win_bash=tools.os_info.is_windows)
-        self._autotools.libs = []
+        get(self, **self.conan_data["sources"][self.version], strip_root=True)
+
+    def generate(self):
+        env = VirtualBuildEnv(self)
+        env.generate()
+
+        tc = AutotoolsToolchain(self)
         yes_no = lambda v: "yes" if v else "no"
-        configure_args = [
-            "--enable-shared={}".format(yes_no(self.options.shared)),
-            "--enable-cbc-parallel={}".format(yes_no(self.options.parallel)),
+        tc.configure_args.extend([
+            f"--enable-cbc-parallel={yes_no(self.options.parallel)}",
             "--without-blas",
             "--without-lapack",
-        ]
-        if self.settings.compiler == "Visual Studio":
-            self._autotools.cxx_flags.append("-EHsc")
-            configure_args.append(f"--enable-msvc={self.settings.compiler.runtime}")
-            if Version(self.settings.compiler.version) >= 12:
-                self._autotools.flags.append("-FS")
+        ])
+        if is_msvc(self):
+            tc.extra_cxxflags.append("-EHsc")
+            tc.configure_args.append(f"--enable-msvc={msvc_runtime_flag(self)}")
+            if check_min_vs(self, "180", raise_invalid=False):
+                tc.extra_cflags.append("-FS")
+                tc.extra_cxxflags.append("-FS")
             if self.options.parallel:
-                configure_args.append("--with-pthreadsw32-lib={}".format(tools.unix_path(os.path.join(self.deps_cpp_info["pthreads4w"].lib_paths[0], self.deps_cpp_info["pthreads4w"].libs[0] + ".lib"))))
-                configure_args.append("--with-pthreadsw32-incdir={}".format(tools.unix_path(self.deps_cpp_info["pthreads4w"].include_paths[0])))
-        self._autotools.configure(configure_dir=os.path.join(self.source_folder, self._source_subfolder), args=configure_args)
-        return self._autotools
+                pthreads4w_cpp_info = self.dependencies["pthreads4w"].cpp_info.aggregated_components()
+                pthreads4w_lib = os.path.join(pthreads4w_cpp_info.libdirs[0], f"{pthreads4w_cpp_info.libs[0]}.lib")
+                pthreads4w_includedir = pthreads4w_cpp_info.includedirs[0]
+                tc.configure_args.extend([
+                    f"--with-pthreadsw32-lib={unix_path(self, pthreads4w_lib)}",
+                    f"--with-pthreadsw32-incdir={unix_path(self, pthreads4w_includedir)}",
+                ])
+        env = tc.environment()
+        if is_msvc(self):
+            compile_wrapper = unix_path(self, self.conf.get("user.automake:compile-wrapper", check_type=str))
+            ar_wrapper = unix_path(self, self.conf.get("user.automake:lib-wrapper", check_type=str))
+            env.define("CC", f"{compile_wrapper} cl -nologo")
+            env.define("CXX", f"{compile_wrapper} cl -nologo")
+            env.define("LD", f"{compile_wrapper} link -nologo")
+            env.define("AR", f"{ar_wrapper} \"lib -nologo\"")
+            env.define("NM", "dumpbin -symbols")
+            env.define("OBJDUMP", ":")
+            env.define("RANLIB", ":")
+            env.define("STRIP", ":")
+        tc.generate(env)
+
+        deps = PkgConfigDeps(self)
+        deps.generate()
 
     def build(self):
         apply_conandata_patches(self)
-        shutil.copy(self._user_info_build["gnu-config"].CONFIG_SUB,
-                    os.path.join(self._source_subfolder, "config.sub"))
-        shutil.copy(self._user_info_build["gnu-config"].CONFIG_GUESS,
-                    os.path.join(self._source_subfolder, "config.guess"))
-        with self._build_context():
-            autotools = self._configure_autotools()
-            autotools.make()
+        if not is_msvc(self):
+            for gnu_config in [
+                self.conf.get("user.gnu-config:config_guess", check_type=str),
+                self.conf.get("user.gnu-config:config_sub", check_type=str),
+            ]:
+                if gnu_config:
+                    copy(self, os.path.basename(gnu_config), src=os.path.dirname(gnu_config), dst=self.source_folder)
+        autotools = Autotools(self)
+        autotools.configure()
+        autotools.make()
 
     def package(self):
-        self.copy("LICENSE", src=self._source_subfolder, dst="licenses")
+        copy(self, "LICENSE", src=self.source_folder, dst=os.path.join(self.package_folder, "licenses"))
         # Installation script expects include/coin to already exist
         mkdir(self, os.path.join(self.package_folder, "include", "coin"))
-        with self._build_context():
-            autotools = self._configure_autotools()
-            autotools.install()
-
-        for l in ("CbcSolver", "Cbc", "OsiCbc"):
-            os.unlink(f"{self.package_folder}/lib/lib{l}.la")
-            if self.settings.compiler == "Visual Studio":
-                rename(self,
-                       f"{self.package_folder}/lib/lib{l}.a",
-                       f"{self.package_folder}/lib/{l}.lib")
-
+        autotools = Autotools(self)
+        autotools.install(args=["-j1"])
+        rm(self, "*.la", os.path.join(self.package_folder, "lib"))
         rmdir(self, os.path.join(self.package_folder, "lib", "pkgconfig"))
         rmdir(self, os.path.join(self.package_folder, "share"))
+        fix_apple_shared_install_name(self)
+        if is_msvc(self):
+            for l in ("CbcSolver", "Cbc", "OsiCbc"):
+                rename(self, os.path.join(self.package_folder, "lib", f"lib{l}.a"),
+                             os.path.join(self.package_folder, "lib", f"{l}.lib"))
 
     def package_info(self):
+        self.cpp_info.components["libcbc"].set_property("pkg_config_name", "cbc")
         self.cpp_info.components["libcbc"].libs = ["CbcSolver", "Cbc"]
         self.cpp_info.components["libcbc"].includedirs.append(os.path.join("include", "coin"))
-        self.cpp_info.components["libcbc"].requires = ["coin-clp::osi-clp", "coin-utils::coin-utils", "coin-osi::coin-osi", "coin-cgl::coin-cgl"]
-        self.cpp_info.components["libcbc"].names["pkg_config"] = "cbc"
+        self.cpp_info.components["libcbc"].requires = [
+            "coin-clp::osi-clp", "coin-utils::coin-utils",
+            "coin-osi::coin-osi", "coin-cgl::coin-cgl",
+        ]
         if self.settings.os in ["Linux", "FreeBSD"] and self.options.parallel:
             self.cpp_info.components["libcbc"].system_libs.append("pthread")
-        if self.settings.os in ["Windows"] and self.options.parallel:
+        if is_msvc(self) and self.options.parallel:
             self.cpp_info.components["libcbc"].requires.append("pthreads4w::pthreads4w")
 
+        self.cpp_info.components["osi-cbc"].set_property("pkg_config_name", "osi-cbc")
         self.cpp_info.components["osi-cbc"].libs = ["OsiCbc"]
         self.cpp_info.components["osi-cbc"].requires = ["libcbc"]
-        self.cpp_info.components["osi-cbc"].names["pkg_config"] = "osi-cbc"
 
-        bin_path = os.path.join(self.package_folder, "bin")
-        self.output.info("Appending PATH environment variable: {}".format(bin_path))
-        self.env_info.PATH.append(bin_path)
+        # TODO: to remove in conan v2
+        self.env_info.PATH.append(os.path.join(self.package_folder, "bin"))

recipes/coin-cbc/all/test_package/CMakeLists.txt

@@ -1,11 +1,7 @@
-cmake_minimum_required(VERSION 3.1)
-project(test_package)
-
-include(${CMAKE_BINARY_DIR}/conanbuildinfo.cmake)
-conan_basic_setup()
-
-include(FindPkgConfig)
+cmake_minimum_required(VERSION 3.6)
+project(test_package LANGUAGES CXX)
 
+find_package(PkgConfig REQUIRED)
 pkg_check_modules(OsiCbc REQUIRED IMPORTED_TARGET osi-cbc)
 
 add_executable(${PROJECT_NAME} test_package.cpp)

recipes/coin-cbc/all/test_package/conanfile.py

@@ -1,20 +1,30 @@
-from conans import ConanFile, CMake, tools
+from conan import ConanFile
+from conan.tools.build import can_run
+from conan.tools.cmake import CMake, cmake_layout
 import os
 
 
 class TestPackageConan(ConanFile):
-    settings = "os", "compiler", "build_type", "arch"
-    generators = "cmake", "pkg_config"
+    settings = "os", "arch", "compiler", "build_type"
+    generators = "CMakeToolchain", "PkgConfigDeps", "VirtualBuildEnv", "VirtualRunEnv"
+    test_type = "explicit"
+
+    def layout(self):
+        cmake_layout(self)
+
+    def requirements(self):
+        self.requires(self.tested_reference_str)
 
     def build_requirements(self):
-        self.build_requires("pkgconf/1.7.4")
+        if not self.conf.get("tools.gnu:pkg_config", check_type=str):
+            self.tool_requires("pkgconf/1.9.3")
 
     def build(self):
         cmake = CMake(self)
         cmake.configure()
         cmake.build()
 
     def test(self):
-        if not tools.cross_building(self.settings):
-            bin_path = os.path.join("bin", "test_package")
-            self.run(bin_path, run_environment=True)
+        if can_run(self):
+            bin_path = os.path.join(self.cpp.build.bindirs[0], "test_package")
+            self.run(bin_path, env="conanrun")

recipes/coin-cbc/all/test_v1_package/CMakeLists.txt

@@ -0,0 +1,8 @@
+cmake_minimum_required(VERSION 3.1)
+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/coin-cbc/all/test_v1_package/conanfile.py

@@ -0,0 +1,20 @@
+from conans import ConanFile, CMake, tools
+import os
+
+
+class TestPackageConan(ConanFile):
+    settings = "os", "arch", "compiler", "build_type"
+    generators = "cmake", "pkg_config"
+
+    def build_requirements(self):
+        self.build_requires("pkgconf/1.9.3")
+
+    def build(self):
+        cmake = CMake(self)
+        cmake.configure()
+        cmake.build()
+
+    def test(self):
+        if not tools.cross_building(self):
+            bin_path = os.path.join("bin", "test_package")
+            self.run(bin_path, run_environment=True)