suitesparse-klu: new recipe

recipes/suitesparse-klu/all/conandata.yml

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+sources:
+  "2.3.3":
+    url: "https://github.com/DrTimothyAldenDavis/SuiteSparse/archive/refs/tags/v7.7.0.tar.gz"
+    sha256: "529b067f5d80981f45ddf6766627b8fc5af619822f068f342aab776e683df4f3"

recipes/suitesparse-klu/all/conanfile.py

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+import os
+
+from conan import ConanFile
+from conan.tools.cmake import CMake, CMakeDeps, CMakeToolchain, cmake_layout
+from conan.tools.env import VirtualBuildEnv
+from conan.tools.files import get, rm, rmdir, copy
+
+required_conan_version = ">=1.53.0"
+
+
+class SuiteSparseKluConan(ConanFile):
+    name = "suitesparse-klu"
+    description = "KLU: Routines for solving sparse linear systems of equations in SuiteSparse"
+    license = "LGPL-2.1-or-later"
+    url = "https://github.com/conan-io/conan-center-index"
+    homepage = "https://people.engr.tamu.edu/davis/suitesparse.html"
+    topics = ("mathematics", "sparse-matrix", "linear-algebra", "linear-systems-solver")
+
+    package_type = "library"
+    settings = "os", "arch", "compiler", "build_type"
+    options = {
+        "shared": [True, False],
+        "fPIC": [True, False],
+        "with_cholmod": [True, False],
+    }
+    default_options = {
+        "shared": False,
+        "fPIC": True,
+        "with_cholmod": True,
+    }
+
+    def config_options(self):
+        if self.settings.os == "Windows":
+            del self.options.fPIC
+
+    def configure(self):
+        if self.options.shared:
+            self.options.rm_safe("fPIC")
+        self.settings.rm_safe("compiler.cppstd")
+        self.settings.rm_safe("compiler.libcxx")
+
+    def layout(self):
+        cmake_layout(self, src_folder="src")
+
+    def requirements(self):
+        # OpenBLAS and OpenMP are provided via suitesparse-config
+        self.requires("suitesparse-config/7.7.0", transitive_headers=True, transitive_libs=True)
+        self.requires("suitesparse-amd/3.3.2", transitive_headers=True, transitive_libs=True)
+        self.requires("suitesparse-btf/2.3.2", transitive_headers=True, transitive_libs=True)
+        self.requires("suitesparse-colamd/3.3.3", transitive_headers=True, transitive_libs=True)
+        if self.options.with_cholmod:
+            self.requires("suitesparse-cholmod/5.2.1", transitive_headers=True, transitive_libs=True)
+
+    def build_requirements(self):
+        self.tool_requires("cmake/[>=3.22 <4]")
+
+    def source(self):
+        get(self, **self.conan_data["sources"][self.version], strip_root=True)
+
+    def generate(self):
+        venv = VirtualBuildEnv(self)
+        venv.generate()
+
+        tc = CMakeToolchain(self)
+        tc.variables["BUILD_SHARED_LIBS"] = self.options.shared
+        tc.variables["BUILD_STATIC_LIBS"] = not self.options.shared
+        tc.variables["KLU_USE_CHOLMOD"] = self.options.with_cholmod
+        tc.variables["SUITESPARSE_USE_OPENMP"] = True
+        tc.variables["SUITESPARSE_USE_CUDA"] = False
+        tc.variables["SUITESPARSE_DEMOS"] = False
+        tc.variables["SUITESPARSE_USE_FORTRAN"] = False  # Fortran sources are translated to C instead
+        tc.generate()
+
+        deps = CMakeDeps(self)
+        deps.generate()
+
+    def build(self):
+        cmake = CMake(self)
+        cmake.configure(build_script_folder=os.path.join(self.source_folder, "KLU"))
+        cmake.build()
+
+    def package(self):
+        copy(self, "License.txt", os.path.join(self.source_folder, "KLU", "Doc"), os.path.join(self.package_folder, "licenses"))
+        copy(self, "lesser.txt", os.path.join(self.source_folder, "KLU", "Doc"), os.path.join(self.package_folder, "licenses"))
+        cmake = CMake(self)
+        cmake.install()
+        rmdir(self, os.path.join(self.package_folder, "lib", "pkgconfig"))
+        rmdir(self, os.path.join(self.package_folder, "lib", "cmake"))
+        rmdir(self, os.path.join(self.package_folder, "share"))
+        rm(self, "*.pdb", self.package_folder, recursive=True)
+
+    def package_info(self):
+        self.cpp_info.set_property("cmake_file_name", "KLU")
+
+        self.cpp_info.components["KLU"].libs = ["klu"]
+        self.cpp_info.components["KLU"].set_property("cmake_target_name", "SuiteSparse::KLU")
+        if not self.options.shared:
+            self.cpp_info.components["KLU"].set_property("cmake_target_aliases", ["SuiteSparse::KLU_static"])
+        self.cpp_info.components["KLU"].set_property("pkg_config_name", "KLU")
+        self.cpp_info.components["KLU"].includedirs.append(os.path.join("include", "suitesparse"))
+        self.cpp_info.components["KLU"].requires = [
+            "suitesparse-config::suitesparse-config",
+            "suitesparse-amd::suitesparse-amd",
+            "suitesparse-btf::suitesparse-btf",
+            "suitesparse-colamd::suitesparse-colamd",
+        ]
+        if self.settings.os in ["Linux", "FreeBSD"]:
+            self.cpp_info.components["KLU"].system_libs.append("m")
+
+        if self.options.with_cholmod:
+            self.cpp_info.components["KLU_CHOLMOD"].libs = ["klu_cholmod"]
+            self.cpp_info.components["KLU_CHOLMOD"].set_property("cmake_target_name", "SuiteSparse::KLU_CHOLMOD")
+            if not self.options.shared:
+                self.cpp_info.components["KLU"].set_property("cmake_target_aliases", ["SuiteSparse::KLU_CHOLMOD_static"])
+            self.cpp_info.components["KLU_CHOLMOD"].set_property("pkg_config_name", "KLU_CHOLMOD")
+            self.cpp_info.components["KLU_CHOLMOD"].includedirs.append(os.path.join("include", "suitesparse"))
+            self.cpp_info.components["KLU_CHOLMOD"].requires = [
+                "KLU",
+                "suitesparse-cholmod::suitesparse-cholmod",
+            ]
+            if self.settings.os in ["Linux", "FreeBSD"]:
+                self.cpp_info.components["KLU_CHOLMOD"].system_libs.append("m")

recipes/suitesparse-klu/all/test_package/CMakeLists.txt

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+cmake_minimum_required(VERSION 3.15)
+project(test_package LANGUAGES C)
+
+find_package(KLU REQUIRED CONFIG)
+
+add_executable(${PROJECT_NAME} test_package.c)
+target_link_libraries(${PROJECT_NAME} PRIVATE SuiteSparse::KLU)
+target_compile_features(${PROJECT_NAME} PRIVATE c_std_11)

recipes/suitesparse-klu/all/test_package/conanfile.py

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+from conan import ConanFile
+from conan.tools.build import can_run
+from conan.tools.cmake import cmake_layout, CMake
+import os
+
+
+class TestPackageConan(ConanFile):
+    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 can_run(self):
+            bin_path = os.path.join(self.cpp.build.bindir, "test_package")
+            self.run(bin_path, env="conanrun")

recipes/suitesparse-klu/all/test_package/test_package.c

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+// https://github.com/DrTimothyAldenDavis/SuiteSparse/blob/v7.7.0/KLU/Demo/klu_simple.c
+
+//------------------------------------------------------------------------------
+// KLU/Demo/klu_simple: simple demo program for KLU
+//------------------------------------------------------------------------------
+
+// KLU, Copyright (c) 2004-2022, University of Florida.  All Rights Reserved.
+// Authors: Timothy A. Davis and Ekanathan Palamadai.
+// SPDX-License-Identifier: LGPL-2.1+
+
+//------------------------------------------------------------------------------
+
+/* klu_simple: a simple KLU demo; solution is x = (1,2,3,4,5) */
+
+#include <klu.h>
+
+#include <stdio.h>
+
+int    n = 5 ;
+int    Ap [ ] = {0, 2, 5, 9, 10, 12} ;
+int    Ai [ ] = { 0,  1,  0,   2,  4,  1,  2,  3,   4,  2,  1,  4} ;
+double Ax [ ] = {2., 3., 3., -1., 4., 4., -3., 1., 2., 2., 6., 1.} ;
+double b [ ] = {8., 45., -3., 3., 19.} ;
+
+int main (void)
+{
+    klu_symbolic *Symbolic ;
+    klu_numeric *Numeric ;
+    klu_common Common ;
+    int i ;
+    klu_defaults (&Common) ;
+    Symbolic = klu_analyze (n, Ap, Ai, &Common) ;
+    Numeric = klu_factor (Ap, Ai, Ax, Symbolic, &Common) ;
+    klu_solve (Symbolic, Numeric, 5, 1, b, &Common) ;
+    klu_free_symbolic (&Symbolic, &Common) ;
+    klu_free_numeric (&Numeric, &Common) ;
+    for (i = 0 ; i < n ; i++) printf ("x [%d] = %g\n", i, b [i]) ;
+    return (0) ;
+}

recipes/suitesparse-klu/config.yml

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+versions:
+  "2.3.3":
+    folder: all