Create a new package for libtommath that supports conan v2

recipes/libtommath/config.yml

@@ -1,3 +1,5 @@
 versions:
+  "1.2.0-dev":
+    folder: "development"
   "1.2.0":
-    folder: "all"
+    folder: "release"

recipes/libtommath/development/conanfile.py

@@ -0,0 +1,54 @@
+from conan import ConanFile
+from conan.tools.cmake import CMakeToolchain, CMake, cmake_layout, CMakeDeps
+from conan.tools.scm import Git
+
+class LibTomMathRecipe(ConanFile):
+    name = "libtommath"
+    version = "1.2.0-dev"
+
+    # Optional metadata
+    license = "Unlicense"
+    url = "https://github.com/conan-io/conan-center-index"
+    homepage = "https://www.libtom.net/"    
+    topics = ("libtommath", "math", "multiple", "precision")
+
+    # Binary configuration
+    settings = "os", "compiler", "build_type", "arch"
+    options = {"shared": [True, False], "fPIC": [True, False]}
+    default_options = {"shared": False, "fPIC": True}
+
+    def source(self):
+        git = Git(self)
+        git.clone(url="https://github.com/libtom/libtommath.git", target=".")
+        git.checkout("03de03dee753442d4b23166982514639c4ccbc39")
+
+    def config_options(self):
+        if self.settings.os == "Windows":
+            self.options.rm_safe("fPIC")
+
+    def configure(self):
+        if self.options.shared:
+            self.options.rm_safe("fPIC")
+
+    def layout(self):
+        cmake_layout(self)
+
+    def generate(self):
+        deps = CMakeDeps(self)
+        deps.generate()
+        tc = CMakeToolchain(self)
+        tc.generate()
+
+    def build(self):
+        cmake = CMake(self)
+        cmake.configure()
+        cmake.build()
+
+    def package(self):
+        cmake = CMake(self)
+        cmake.install()
+
+    def package_info(self):
+        self.cpp_info.libs = ["tommath"]
+
+

recipes/libtommath/development/test_package/CMakeLists.txt

@@ -0,0 +1,9 @@
+cmake_minimum_required(VERSION 3.15)
+project(PackageTest C)
+
+find_package(libtommath CONFIG REQUIRED)
+
+
+
+add_executable(example src/test_package.c)
+target_link_libraries(example libtommath::libtommath)

recipes/libtommath/development/test_package/CMakeUserPresets.json

@@ -0,0 +1,9 @@
+{
+    "version": 4,
+    "vendor": {
+        "conan": {}
+    },
+    "include": [
+        "C:\\Users\\jowr\\Repos\\TMP\\conan-center-index.win.git\\recipes\\libtommath\\development\\test_package\\build\\msvc-193-x86_64-14-release\\generators\\CMakePresets.json"
+    ]
+}

recipes/libtommath/development/test_package/conanfile.py

@@ -0,0 +1,29 @@
+import os
+
+from conan import ConanFile
+from conan.tools.cmake import CMake, cmake_layout
+from conan.tools.build import can_run
+
+
+class LibTomMathTestConan(ConanFile):
+    name = "libtommathtest"
+    version = "1.2.0-dev"
+    settings = "os", "compiler", "build_type", "arch"
+    generators = "CMakeDeps", "CMakeToolchain"
+
+    def requirements(self):
+        self.requires(self.tested_reference_str)
+
+    def build(self):
+        cmake = CMake(self)
+        cmake.configure()
+        cmake.build()
+
+    def layout(self):
+        self.folders.source = "src"
+        cmake_layout(self)
+
+    def test(self):
+        if can_run(self):
+            cmd = os.path.join(self.cpp.build.bindir, "example")
+            self.run(cmd, env="conanrun")

recipes/libtommath/development/test_package/src/test_package.c

@@ -0,0 +1,34 @@
+#include "libtommath/tommath.h"
+
+#include <stdio.h>
+#include <stdlib.h>
+
+#define check(V)                            \
+    if ((V) != MP_OKAY) {                   \
+        fprintf(stderr, #V " FAILURE\n");   \
+        return 1;                           \
+    }
+
+int main() {
+    mp_int a, b, c;
+
+    check(mp_init(&a));
+    check(mp_init(&b));
+    check(mp_init(&c));
+
+    check(mp_rand(&a, 30));
+    check(mp_rand(&b, 30));
+
+    check(mp_add(&a, &b, &c));
+
+    printf("a = ");
+    check(mp_fwrite(&a, 10, stdout));
+    printf("\nb = ");
+    check(mp_fwrite(&b, 10, stdout));
+    printf("\na + b = ");
+    check(mp_fwrite(&c, 10, stdout));
+    printf("\n");
+
+    mp_clear_multi(&a, &b, &c, NULL);
+    return 0;
+}