(conan-io#18720) flint: migrate to Conan v2

* flint: migrate to Conan v2

* flint: bump deps

* flint: add version 2.9.0

Generated and committed by [Conan Center Bot](https://github.com/qchateau/conan-center-bot)
Find more updatable recipes in the [GitHub Pages](https://qchateau.github.io/conan-center-bot/)

* flint: set correct pthreads4w file name, bump deps

* flint: conandata hashes have changed

* flint: add versions, simplify patching

* flint: fix MSVC pthread linking

---------

Co-authored-by: Quentin Chateau via Conan Center Bot <quentin.chateau@gmail.com>

recipes/flint/all/conandata.yml

@@ -1,18 +1,20 @@
 sources:
-  "2.8.1":
-    url: "https://github.com/wbhart/flint2/archive/refs/tags/v2.8.1.tar.gz"
-    sha256: "93c4d6acd46d7a4357a2abe313e5f0625fa7e94a1a0e53048f9066f55a7acd49"
+  "3.0.1":
+    url: "https://github.com/flintlib/flint/releases/download/v3.0.1/flint-3.0.1.tar.xz"
+    sha256: "de9ada43c94a69de2e78a5241dc183a1c1ece11e45fe565da7272cf8ed818dd6"
+  "2.9.0":
+    url: "https://github.com/wbhart/flint2/archive/v2.9.0.tar.gz"
+    sha256: "624e0fc343b27a156c0e3bb48d2a644a1ac387aa66217f6753c03a02c80bbf6f"
+  "2.8.5":
+    url: "https://github.com/wbhart/flint2/archive/refs/tags/v2.8.5.tar.gz"
+    sha256: "4d5377e7432e67b0f34f95059a01d243ef29208da86ba3e812d312d323db0d8e"
   "2.7.1":
     url: "https://github.com/wbhart/flint2/archive/refs/tags/v2.7.1.tar.gz"
-    sha256: "bcadc2252e61092a9b3a3198b337e20abeac56078eaa19793ab99ff7a987efb7"
+    sha256: "80f1b7240f1ee5d15952c33cb0aa27b6395993fe897bc279ad984f4fc2743bd4"
 patches:
-  "2.8.1":
-    - patch_file: "patches/0001-cmake-2.8.1.patch"
-      base_path: "source_subfolder"
+  "2.9.0":
+    - patch_file: "patches/0002-msvc-alloca.patch"
+  "2.8.5":
     - patch_file: "patches/0002-msvc-alloca.patch"
-      base_path: "source_subfolder"
   "2.7.1":
-    - patch_file: "patches/0001-cmake.patch"
-      base_path: "source_subfolder"
     - patch_file: "patches/0002-msvc-alloca.patch"
-      base_path: "source_subfolder"

recipes/flint/all/conanfile.py

@@ -1,19 +1,24 @@
 import os
 
-from conans import ConanFile, CMake, tools
+from conan import ConanFile
+from conan.tools.build import cross_building
+from conan.tools.cmake import CMake, CMakeDeps, CMakeToolchain, cmake_layout
+from conan.tools.files import apply_conandata_patches, copy, export_conandata_patches, get, replace_in_file
+from conan.tools.microsoft import is_msvc
+from conan.tools.scm import Version
 
-required_conan_version = ">=1.33.0"
+required_conan_version = ">=1.53.0"
 
 
 class FlintConan(ConanFile):
     name = "flint"
     description = "FLINT (Fast Library for Number Theory)"
     license = "LGPL-2.1-or-later"
-    topics = ("math", "numerical")
-    homepage = "https://www.flintlib.org"
     url = "https://github.com/conan-io/conan-center-index"
-    exports_sources = ["CMakeLists.txt", "patches/**"]
-    generators = "cmake"
+    homepage = "https://www.flintlib.org"
+    topics = ("math", "numerical")
+
+    package_type = "library"
     settings = "os", "arch", "compiler", "build_type"
     options = {
         "shared": [True, False],
@@ -24,68 +29,80 @@ class FlintConan(ConanFile):
         "fPIC": True,
     }
 
-    _cmake = None
-
-    @property
-    def _source_subfolder(self):
-        return "source_subfolder"
-
-    @property
-    def _build_subfolder(self):
-        return "build_subfolder"
+    def export_sources(self):
+        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):
+        cmake_layout(self, src_folder="src")
 
     def requirements(self):
-        self.requires("gmp/6.2.1")
-        self.requires("mpfr/4.1.0")
-        if self.settings.compiler == "Visual Studio":
+        self.requires("gmp/6.3.0", transitive_headers=True, transitive_libs=True)
+        self.requires("mpfr/4.2.1", transitive_headers=True, transitive_libs=True)
+        if is_msvc(self):
             self.requires("pthreads4w/3.0.0")
 
     def source(self):
-        tools.get(**self.conan_data["sources"][self.version], destination=self._source_subfolder, strip_root=True)
-
-    def build(self):
-        for patch in self.conan_data.get("patches", {}).get(self.version, []):
-            tools.patch(**patch)
-        cmake = self._configure_cmake()
-        cmake.build()
+        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.definitions["BUILD_TESTING"] = False
-        self._cmake.definitions["BUILD_DOCS"] = False
-        self._cmake.definitions["WITH_NTL"] = False
+    def generate(self):
+        tc = CMakeToolchain(self)
+        tc.cache_variables["BUILD_TESTING"] = False
+        tc.cache_variables["BUILD_DOCS"] = False
+        tc.cache_variables["WITH_NTL"] = False
         # IPO/LTO breaks clang builds
-        self._cmake.definitions["IPO_SUPPORTED"] = False
+        tc.cache_variables["IPO_SUPPORTED"] = False
         # No BLAS yet
-        self._cmake.definitions["CMAKE_DISABLE_FIND_PACKAGE_CBLAS"] = True
+        tc.cache_variables["CMAKE_DISABLE_FIND_PACKAGE_CBLAS"] = True
         # handle run in a cross-build
-        if tools.cross_building(self):
-            self._cmake.definitions["FLINT_USES_POPCNT_EXITCODE"] = "1"
-            self._cmake.definitions["FLINT_USES_POPCNT_EXITCODE__TRYRUN_OUTPUT"] = ""
-        self._cmake.configure(build_folder=self._build_subfolder)
-        return self._cmake
+        if cross_building(self):
+            tc.cache_variables["FLINT_USES_POPCNT_EXITCODE"] = "1"
+            tc.cache_variables["FLINT_USES_POPCNT_EXITCODE__TRYRUN_OUTPUT"] = ""
+        tc.generate()
+
+        deps = CMakeDeps(self)
+        if Version(self.version) <= "3.0.1":
+            deps.set_property("pthreads4w", "cmake_file_name", "PThreads")
+        else:
+            # https://github.com/flintlib/flint/commit/c6cc1078cb55903b0853fb1b6dc660887842dadf
+            deps.set_property("pthreads4w", "cmake_file_name", "PThreads4W")
+        deps.set_property("pthreads4w", "cmake_target_name", "PThreads4W::PThreads4W")
+        deps.generate()
+
+    def _patch_sources(self):
+        apply_conandata_patches(self)
+        replace_in_file(self, os.path.join(self.source_folder, "CMakeLists.txt"), "MPFR_", "mpfr_")
+
+    def build(self):
+        self._patch_sources()
+        cmake = CMake(self)
+        cmake.configure()
+        cmake.build()
 
     def package(self):
-        self.copy("LICENSE", dst="licenses", src=self._source_subfolder)
-        cmake = self._configure_cmake()
+        copy(self, "LICENSE",
+             dst=os.path.join(self.package_folder, "licenses"),
+             src=self.source_folder)
+        cmake = CMake(self)
         cmake.install()
 
     def package_info(self):
-        self.cpp_info.names["cmake_find_package"] = "libflint"
-        self.cpp_info.names["cmake_find_package_multi"] = "libflint"
+        self.cpp_info.set_property("cmake_file_name", "libflint")
+        self.cpp_info.set_property("cmake_target_name", "libflint::libflint")
 
         if self.settings.os in ("FreeBSD", "Linux"):
             self.cpp_info.system_libs = ["pthread", "m"]
 
         self.cpp_info.includedirs.append(os.path.join("include", "flint"))
-        self.cpp_info.libs = tools.collect_libs(self)
+        self.cpp_info.libs = ["flint"]
+
+        # TODO: to remove in conan v2 once cmake_find_package_* generators removed
+        self.cpp_info.names["cmake_find_package"] = "libflint"
+        self.cpp_info.names["cmake_find_package_multi"] = "libflint"

recipes/flint/all/test_package/CMakeLists.txt

@@ -1,9 +1,6 @@
-cmake_minimum_required(VERSION 3.1)
+cmake_minimum_required(VERSION 3.15)
 project(test_package CXX)
 
-include(${CMAKE_BINARY_DIR}/conanbuildinfo.cmake)
-conan_basic_setup(TARGETS)
-
 find_package(libflint REQUIRED CONFIG)
 
 add_executable(${PROJECT_NAME} test_package.cpp)

recipes/flint/all/test_package/conanfile.py

@@ -1,17 +1,26 @@
+from conan import ConanFile
+from conan.tools.build import can_run
+from conan.tools.cmake import cmake_layout, CMake
 import os
 
-from conans import ConanFile, CMake, tools
 
 class TestPackageConan(ConanFile):
-    settings = "os", "compiler", "build_type", "arch"
-    generators = "cmake", "cmake_find_package_multi"
+    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)
         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)
+        if can_run(self):
+            bin_path = os.path.join(self.cpp.build.bindir, "test_package")
+            self.run(bin_path, env="conanrun")

recipes/flint/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/flint/all/test_v1_package/conanfile.py

@@ -0,0 +1,17 @@
+import os
+
+from conans import ConanFile, CMake, tools
+
+class TestPackageConan(ConanFile):
+    settings = "os", "compiler", "build_type", "arch"
+    generators = "cmake", "cmake_find_package_multi"
+
+    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)