libtorch: new recipe

recipes/libtorch/all/conan-official-libtorch-vars.cmake

@@ -0,0 +1,12 @@
+# ATenConfig.cmake variables
+set(ATEN_FOUND 1)
+
+# Caffe2Config.cmake variables
+set(Caffe2_MAIN_LIBS torch)
+set(CAFFE2_INCLUDE_DIRS ${${CMAKE_FIND_PACKAGE_NAME}_INCLUDE_DIRS})
+
+# TorchConfig.cmake variables
+set(TORCH_FOUND TRUE)
+set(TORCH_INCLUDE_DIRS ${${CMAKE_FIND_PACKAGE_NAME}_INCLUDE_DIRS})
+set(TORCH_LIBRARIES ${${CMAKE_FIND_PACKAGE_NAME}_LIBRARIES})
+set(TORCH_CXX_FLAGS)

recipes/libtorch/all/conan_deps.cmake

@@ -0,0 +1,59 @@
+# A wrapper for https://github.com/pytorch/pytorch/blob/v2.4.0/cmake/Dependencies.cmake
+
+# Moved initialization of these vars here so they can be overridden
+set(ATen_CPU_DEPENDENCY_LIBS)
+set(ATen_XPU_DEPENDENCY_LIBS)
+set(ATen_CUDA_DEPENDENCY_LIBS)
+set(ATen_HIP_DEPENDENCY_LIBS)
+set(ATen_PUBLIC_CUDA_DEPENDENCY_LIBS)
+set(ATen_PUBLIC_HIP_DEPENDENCY_LIBS)
+set(Caffe2_DEPENDENCY_LIBS)
+set(Caffe2_CUDA_DEPENDENCY_LIBS)
+
+find_package(cpuinfo REQUIRED CONFIG)
+find_package(fp16 REQUIRED CONFIG)
+find_package(fmt REQUIRED CONFIG)
+find_package(httplib REQUIRED CONFIG)
+
+list(APPEND Caffe2_DEPENDENCY_LIBS
+    cpuinfo
+    fp16::fp16
+    fmt::fmt
+)
+add_library(fp16 ALIAS fp16::fp16)
+
+if(CONAN_LIBTORCH_USE_PTHREADPOOL)
+    find_package(pthreadpool REQUIRED CONFIG)
+    list(APPEND Caffe2_DEPENDENCY_LIBS pthreadpool::pthreadpool)
+    add_library(pthreadpool ALIAS pthreadpool::pthreadpool)
+endif()
+
+if(CONAN_LIBTORCH_USE_FLATBUFFERS)
+    find_package(flatbuffers REQUIRED CONFIG)
+    list(APPEND Caffe2_DEPENDENCY_LIBS flatbuffers::flatbuffers)
+endif()
+
+if(CONAN_LIBTORCH_USE_SLEEF)
+    find_package(sleef REQUIRED CONFIG)
+    list(APPEND ATen_CPU_DEPENDENCY_LIBS sleef::sleef)
+endif()
+
+if(USE_XNNPACK)
+    find_package(xnnpack REQUIRED CONFIG)
+    list(APPEND Caffe2_DEPENDENCY_LIBS xnnpack::xnnpack)
+    add_library(XNNPACK INTERFACE)
+endif()
+
+if(USE_FBGEMM)
+    find_package(fbgemmLibrary REQUIRED CONFIG)
+    list(APPEND Caffe2_DEPENDENCY_LIBS fbgemm)
+endif()
+
+if(USE_PYTORCH_QNNPACK)
+    find_package(fxdiv REQUIRED CONFIG)
+    find_package(psimd REQUIRED CONFIG)
+endif()
+
+if(USE_MIMALLOC)
+    find_package(mimalloc REQUIRED CONFIG)
+endif()

recipes/libtorch/all/conandata.yml

@@ -0,0 +1,25 @@
+sources:
+  "2.4.0":
+    url: "https://github.com/pytorch/pytorch/releases/download/v2.4.0/pytorch-v2.4.0.tar.gz"
+    sha256: "a890d4342149adbc6c8b116a9afe437fe347527a9ecc0650086cdec82ecdcfb7"
+patches:
+  "2.4.0":
+    - patch_file: "patches/2.4.0/0001-use-conan-dependencies.patch"
+      patch_description: "Use Conan dependencies"
+      patch_type: "conan"
+    - patch_file: "patches/2.4.0/0002-fix-a-minor-glog-incompatibility.patch"
+      patch_description: "Fix a small incompatibility with newer glog"
+      patch_type: "portability"
+    - patch_file: "patches/2.4.0/0003-fix-cmake-logic-bug.patch"
+      patch_description: "Fix a CMake logic bug when kineto is disabled"
+      patch_type: "portability"
+    - patch_file: "patches/2.4.0/0004-add-a-missing-include.patch"
+      patch_description: "Add a missing <iostream> include"
+      patch_type: "bugfix"
+    - patch_file: "patches/2.4.0/0005-kineto-unvendor-fmt.patch"
+      patch_description: "Unvendor fmt in vendored kineto"
+      base_path: "third_party/kineto"
+      patch_type: "conan"
+    - patch_file: "patches/2.4.0/0006-dont-build-protoc-on-apple.patch"
+      patch_description: "Don't build custom protoc on Apple OS-s"
+      patch_type: "conan"