Extend users presets example (#74)

* extend users presets example

* wip

* simplify

* fix

* fix

examples/tools/README.md

@@ -4,6 +4,8 @@
 
 - CMakeToolchain: [Building your project using CMakePresets](cmake/cmake_toolchain/local_flow_cmake_presets/). [Docs](https://docs.conan.io/en/2.0/examples/tools/cmake/cmake_toolchain/build_project_cmake_presets.html)
 
+- CMakeToolchain: [Extending your CMakePresets with Conan generated ones](cmake/cmake_toolchain/extend_own_cmake_presets/). [Docs](https://docs.conan.io/en/2.0/examples/tools/cmake/cmake_toolchain/extend_own_cmake_presets.html)
+
 ### [tools.files](files)
 
 - Learn how [patch sources](files/patches/). [Docs](https://docs.conan.io/en/2.0/examples/tools/files/patches/patch_sources.html)

examples/tools/cmake/cmake_toolchain/extend_own_cmake_presets/CMakeLists.txt

@@ -0,0 +1,14 @@
+cmake_minimum_required(VERSION 3.15)
+project(foo CXX)
+
+
+
+add_executable(foo src/foo.cpp src/main.cpp)
+
+
+
+install(TARGETS foo DESTINATION "."
+        RUNTIME DESTINATION bin
+        ARCHIVE DESTINATION lib
+        LIBRARY DESTINATION lib
+        )

examples/tools/cmake/cmake_toolchain/extend_own_cmake_presets/CMakePresets.json

@@ -0,0 +1,47 @@
+{
+  "version": 4,
+  "include": ["./ConanPresets.json"],
+  "configurePresets": [
+    {
+      "name": "default",
+      "displayName": "multi config",
+      "inherits": "conan-default"
+    },
+    {
+      "name": "release",
+      "displayName": "release single config",
+      "inherits": "conan-release"
+    },
+    {
+      "name": "debug",
+      "displayName": "debug single config",
+      "inherits": "conan-debug"
+    }
+  ],
+  "buildPresets": [
+    {
+      "name": "multi-release",
+      "configurePreset": "default",
+      "configuration": "Release",
+      "inherits": "conan-release"
+    },
+    {
+      "name": "multi-debug",
+      "configurePreset": "default",
+      "configuration": "Debug",
+      "inherits": "conan-debug"
+    },
+    {
+      "name": "release",
+      "configurePreset": "release",
+      "configuration": "Release",
+      "inherits": "conan-release"
+    },
+    {
+      "name": "debug",
+      "configurePreset": "debug",
+      "configuration": "Debug",
+      "inherits": "conan-debug"
+    }
+  ]
+}

examples/tools/cmake/cmake_toolchain/extend_own_cmake_presets/conanfile.py

@@ -0,0 +1,42 @@
+from conan import ConanFile
+from conan.tools.cmake import CMakeToolchain, CMake, cmake_layout, CMakeDeps
+
+
+class fooRecipe(ConanFile):
+    name = "foo"
+    version = "1.0"
+    package_type = "application"
+
+    # Optional metadata
+    license = "<Put the package license here>"
+    author = "<Put your name here> <And your email here>"
+    url = "<Package recipe repository url here, for issues about the package>"
+    description = "<Description of foo package here>"
+    topics = ("<Put some tag here>", "<here>", "<and here>")
+
+    # Binary configuration
+    settings = "os", "compiler", "build_type", "arch"
+
+    # Sources are located in the same place as this recipe, copy them to the recipe
+    exports_sources = "CMakeLists.txt", "src/*"
+
+    def layout(self):
+        cmake_layout(self)
+
+    def generate(self):
+        deps = CMakeDeps(self)
+        deps.generate()
+        tc = CMakeToolchain(self)
+        tc.user_presets_path = 'ConanPresets.json'
+        tc.generate()
+
+    def build(self):
+        cmake = CMake(self)
+        cmake.configure()
+        cmake.build()
+
+    def package(self):
+        cmake = CMake(self)
+        cmake.install()
+
+

examples/tools/cmake/cmake_toolchain/extend_own_cmake_presets/run_example.py

@@ -0,0 +1,33 @@
+import os
+import platform
+import textwrap
+
+from test.examples_tools import run, replace
+
+from conan import conan_version
+
+print("- CMakeToolchain: Extending your CMakePresets with Conan generated ones -")
+
+run("conan install .")
+run("conan install . -s build_type=Debug")
+
+if platform.system() == "Windows":
+    run(f"cmake --preset default")
+    run(f"cmake --build --preset multi-release")
+    run(f"cmake --build --preset multi-debug")
+else:
+    run(f"cmake --preset release")
+    run(f"cmake --build --preset release")
+    run(f"cmake --preset debug")
+    run(f"cmake --build --preset debug")
+
+if platform.system() == "Windows":        
+    output = run("build\\Release\\foo.exe")
+    assert "Hello World Release!" in output
+    output = run("build\\Debug\\foo.exe")
+    assert "Hello World Debug!" in output
+else:
+    output = run(str(os.path.join("build", "Release", "foo")))
+    assert "Hello World Release!" in output
+    output = run(str(os.path.join("build", "Debug", "foo")))
+    assert "Hello World Debug!" in output

examples/tools/cmake/cmake_toolchain/extend_own_cmake_presets/src/foo.cpp

@@ -0,0 +1,12 @@
+#include <iostream>
+#include "foo.h"
+
+
+
+void foo(){
+    #ifdef NDEBUG
+    std::cout << "foo/1.0: Hello World Release!\n";
+    #else
+    std::cout << "foo/1.0: Hello World Debug!\n";
+    #endif
+}

examples/tools/cmake/cmake_toolchain/extend_own_cmake_presets/src/foo.h

@@ -0,0 +1,10 @@
+#pragma once
+
+
+#ifdef _WIN32
+  #define FOO_EXPORT __declspec(dllexport)
+#else
+  #define FOO_EXPORT
+#endif
+
+FOO_EXPORT void foo();

examples/tools/cmake/cmake_toolchain/extend_own_cmake_presets/src/main.cpp

@@ -0,0 +1,5 @@
+#include "foo.h"
+
+int main() {
+    foo();
+}

examples/tools/cmake/cmake_toolchain/extend_own_cmake_presets/test_package/conanfile.py

@@ -0,0 +1,14 @@
+import os
+from conan import ConanFile
+from conan.tools.build import can_run
+
+
+class fooTestConan(ConanFile):
+    settings = "os", "compiler", "build_type", "arch"
+
+    def requirements(self):
+        self.requires(self.tested_reference_str)
+
+    def test(self):
+        if can_run(self):
+            self.run("foo", env="conanrun")