(conan-io#18230) rtm: migrate to Conan v2

* rtm: migrate to Conan v2

* rtm: restore test_v1_package

* rtm: add cmake_find_package_multi generator to test_v1_package

recipes/rtm/all/conanfile.py

@@ -1,28 +1,46 @@
 import os
-from conans import ConanFile, tools
+
+from conan import ConanFile
+from conan.tools.build import check_min_cppstd
+from conan.tools.files import copy, get
+from conan.tools.layout import basic_layout
+
+required_conan_version = ">=1.52.0"
 
 
 class Rtmonan(ConanFile):
     name = "rtm"
     description = "Realtime Math"
-    topics = ("realtime", "math")
     license = "MIT"
-    homepage = "https://github.com/nfrechette/rtm"
     url = "https://github.com/conan-io/conan-center-index"
+    homepage = "https://github.com/nfrechette/rtm"
+    topics = ("realtime", "math", "header-only")
+
+    package_type = "header-library"
+    settings = "os", "arch", "compiler", "build_type"
     no_copy_source = True
 
     @property
-    def _source_subfolder(self):
-        return "source_subfolder"
+    def _min_cppstd(self):
+        return 11
+
+    def layout(self):
+        basic_layout(self, src_folder="src")
+
+    def package_id(self):
+        self.info.clear()
+
+    def validate(self):
+        if self.settings.compiler.get_safe("cppstd"):
+            check_min_cppstd(self, self._min_cppstd)
 
     def source(self):
-        tools.get(**self.conan_data["sources"][self.version])
-        extracted_dir = self.name + "-" + self.version
-        os.rename(extracted_dir, self._source_subfolder)
+        get(self, **self.conan_data["sources"][self.version], strip_root=True)
 
     def package(self):
-        self.copy("LICENSE", dst="licenses", src=self._source_subfolder)
-        self.copy("*.h", dst="include", src=os.path.join(self._source_subfolder, "includes"))
+        copy(self, "LICENSE", dst=os.path.join(self.package_folder, "licenses"), src=self.source_folder)
+        copy(self, "*.h", dst=os.path.join(self.package_folder, "include"), src=os.path.join(self.source_folder, "includes"))
 
-    def package_id(self):
-        self.info.header_only()
+    def package_info(self):
+        self.cpp_info.bindirs = []
+        self.cpp_info.libdirs = []

recipes/rtm/all/test_package/CMakeLists.txt

@@ -1,9 +1,8 @@
-cmake_minimum_required(VERSION 3.1)
-project(test_package)
+cmake_minimum_required(VERSION 3.15)
+project(test_package LANGUAGES CXX)
 
-include(${CMAKE_BINARY_DIR}/conanbuildinfo.cmake)
-conan_basic_setup()
+find_package(rtm REQUIRED CONFIG)
 
 add_executable(${PROJECT_NAME} test_package.cpp)
-target_link_libraries(${PROJECT_NAME} ${CONAN_LIBS})
+target_link_libraries(${PROJECT_NAME} PRIVATE rtm::rtm)
 set_property(TARGET ${PROJECT_NAME} PROPERTY CXX_STANDARD 11)

recipes/rtm/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"
+    settings = "os", "arch", "compiler", "build_type"
+    generators = "CMakeDeps", "CMakeToolchain"
+    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.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.bindir, "test_package")
+            self.run(bin_path, env="conanrun")

recipes/rtm/all/test_package/test_package.cpp

@@ -1,3 +1,6 @@
+// workaround for a missing include in rtm
+#include <limits>
+
 #include <rtm/constants.h>
 #include <rtm/scalarf.h>
 #include <rtm/scalard.h>

recipes/rtm/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/rtm/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.settings):
+            bin_path = os.path.join("bin", "test_package")
+            self.run(bin_path, run_environment=True)