stella-cv-fbow: new recipe

recipes/stella-cv-fbow/all/conandata.yml

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+sources:
+  "cci.20240508":
+    url: "https://github.com/stella-cv/FBoW/archive/c6e3c29e3332a0b0834021797e2aa4e8eb66a3c1.zip"
+    sha256: "23d866d86eaca6a85da8fe3e542b94324d5f6be4b37691cf82cd74a6cfd838bd"

recipes/stella-cv-fbow/all/conanfile.py

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+import os
+
+from conan import ConanFile
+from conan.tools.build import check_min_cppstd
+from conan.tools.cmake import CMake, CMakeDeps, CMakeToolchain, cmake_layout
+from conan.tools.files import copy, get, rm, rmdir, replace_in_file
+
+required_conan_version = ">=1.53.0"
+
+
+class StellaCvFbowConan(ConanFile):
+    name = "stella-cv-fbow"
+    description = "FBoW (Fast Bag of Words) is an extremely optimized version of the DBoW2/DBoW3 libraries."
+    license = "MIT"
+    url = "https://github.com/conan-io/conan-center-index"
+    homepage = "https://github.com/stella-cv/FBoW"
+    topics = ("bag-of-words", "computer-vision", "visual-slam", "dbow")
+
+    package_type = "library"
+    settings = "os", "arch", "compiler", "build_type"
+    options = {
+        "shared": [True, False],
+        "fPIC": [True, False],
+        "fast_math": [True, False],
+        "avx": [True, False],
+        "mmx": [True, False],
+        "sse": [True, False],
+        "sse2": [True, False],
+        "sse3": [True, False],
+        "sse4": [True, False],
+    }
+    default_options = {
+        "shared": False,
+        "fPIC": True,
+        "fast_math": True,
+        "avx": True,
+        "mmx": True,
+        "sse": True,
+        "sse2": True,
+        "sse3": True,
+        "sse4": True,
+    }
+
+    def config_options(self):
+        if self.settings.os == "Windows":
+            del self.options.fPIC
+        if self.settings.arch not in ["x86", "x86_64"] or self.settings.compiler not in ["gcc", "clang", "apple-clang"]:
+            del self.options.avx
+            del self.options.mmx
+            del self.options.sse
+            del self.options.sse2
+            del self.options.sse3
+            del self.options.sse4
+
+    def configure(self):
+        if self.options.shared:
+            self.options.rm_safe("fPIC")
+
+    def layout(self):
+        cmake_layout(self, src_folder="src")
+
+    def requirements(self):
+        # https://github.com/stella-cv/FBoW/blob/master/include/fbow/vocabulary.h#L35
+        self.requires("opencv/4.9.0", transitive_headers=True, transitive_libs=True)
+        self.requires("llvm-openmp/17.0.6")
+
+    def validate(self):
+        if self.settings.compiler.cppstd:
+            check_min_cppstd(self, 11)
+
+    def source(self):
+        get(self, **self.conan_data["sources"][self.version], strip_root=True)
+
+    def generate(self):
+        tc = CMakeToolchain(self)
+        tc.variables["USE_FAST_MATH"] = self.options.fast_math
+        tc.variables["USE_AVX"] = self.options.get_safe("avx", False)
+        tc.variables["USE_MMX"] = self.options.get_safe("mmx", False)
+        tc.variables["USE_SSE"] = self.options.get_safe("sse", False)
+        tc.variables["USE_SSE2"] = self.options.get_safe("sse2", False)
+        tc.variables["USE_SSE3"] = self.options.get_safe("sse3", False)
+        tc.variables["USE_SSE4"] = self.options.get_safe("sse4", False)
+        tc.variables["BUILD_UTILS"] = False
+        tc.variables["BUILD_TESTS"] = False
+        tc.variables["USE_CONTRIB"] = self.dependencies["opencv"].options.xfeatures2d
+        tc.generate()
+
+        tc = CMakeDeps(self)
+        tc.generate()
+
+    def _patch_sources(self):
+        # Let Conan set the C++ standard
+        if self.settings.compiler.cppstd:
+            replace_in_file(self, os.path.join(self.source_folder, "CMakeLists.txt"),
+                            "set(CMAKE_CXX_STANDARD 11)", "")
+
+    def build(self):
+        self._patch_sources()
+        cmake = CMake(self)
+        cmake.configure()
+        cmake.build()
+
+    def package(self):
+        copy(self, "LICENSE", self.source_folder, os.path.join(self.package_folder, "licenses"))
+        cmake = CMake(self)
+        cmake.install()
+        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", "fbow")
+        self.cpp_info.set_property("cmake_target_name", "fbow::fbow")
+        # unofficial
+        self.cpp_info.set_property("pkg_config_name", "fbow")
+
+        self.cpp_info.libs = ["fbow"]
+        self.cpp_info.requires = [
+            "opencv::opencv_core",
+            "opencv::opencv_features2d",
+            "opencv::opencv_highgui",
+            "llvm-openmp::llvm-openmp",
+        ]
+        if self.dependencies["opencv"].options.xfeatures2d:
+            self.cpp_info.requires.append("opencv::opencv_xfeatures2d")
+
+        if self.settings.os in ["Linux", "FreeBSD"]:
+            self.cpp_info.system_libs.extend(["m", "pthread"])

recipes/stella-cv-fbow/all/test_package/CMakeLists.txt

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+cmake_minimum_required(VERSION 3.15)
+project(test_package LANGUAGES C)
+project(test_package LANGUAGES CXX)
+
+find_package(fbow REQUIRED CONFIG)
+
+add_executable(${PROJECT_NAME} test_package.cpp)
+target_link_libraries(${PROJECT_NAME} PRIVATE fbow::fbow)
+target_compile_features(${PROJECT_NAME} PRIVATE cxx_std_11)

recipes/stella-cv-fbow/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/stella-cv-fbow/all/test_package/test_package.cpp

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+#include <fbow/fbow.h>
+
+int main() {
+    fbow::cpu().detect_host();
+}

recipes/stella-cv-fbow/config.yml

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+versions:
+  "cci.20240508":
+    folder: all