Add TensorFlow pip package's manylinux2010 toolchain to graphics so t…

…hat we can build custom TensorFlow ops for OpenGL rasterizer.

PiperOrigin-RevId: 312554787

third_party/preconfig/README.md

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+# Preconfigured toolchain
+
+Preconfigured toolchain for building custom C++ ops for OpenGL rasterizer.
+
+Please use these toolchain configs with the Dockerfiles mentioned in
+[custom op repo](https://github.com/tensorflow/custom-op).

third_party/preconfig/ubuntu16.04/gcc7_manylinux2010-nvcc-cuda10.1/BUILD.oss

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+# This file is expanded from a template by cuda_configure.bzl
+# Update cuda_configure.bzl#verify_build_defines when adding new variables.
+
+load(":cc_toolchain_config.bzl", "cc_toolchain_config")
+
+licenses(["restricted"])
+
+package(default_visibility = ["//visibility:public"])
+
+toolchain(
+    name = "toolchain-linux-x86_64",
+    exec_compatible_with = [
+        "@bazel_tools//platforms:linux",
+        "@bazel_tools//platforms:x86_64",
+    ],
+    target_compatible_with = [
+        "@bazel_tools//platforms:linux",
+        "@bazel_tools//platforms:x86_64",
+    ],
+    toolchain = ":cc-compiler-local",
+    toolchain_type = "@bazel_tools//tools/cpp:toolchain_type",
+)
+
+cc_toolchain_suite(
+    name = "toolchain",
+    toolchains = {
+        "local|compiler": ":cc-compiler-local",
+        "darwin|compiler": ":cc-compiler-darwin",
+        "x64_windows|msvc-cl": ":cc-compiler-windows",
+        "x64_windows": ":cc-compiler-windows",
+        "arm": ":cc-compiler-local",
+        "aarch64": ":cc-compiler-local",
+        "k8": ":cc-compiler-local",
+        "piii": ":cc-compiler-local",
+        "ppc": ":cc-compiler-local",
+        "darwin": ":cc-compiler-darwin",
+    },
+)
+
+cc_toolchain(
+    name = "cc-compiler-local",
+    all_files = ":crosstool_wrapper_driver_is_not_gcc",
+    ar_files = ":crosstool_wrapper_driver_is_not_gcc",
+    as_files = ":crosstool_wrapper_driver_is_not_gcc",
+    compiler_files = ":crosstool_wrapper_driver_is_not_gcc",
+    dwp_files = ":empty",
+    linker_files = ":crosstool_wrapper_driver_is_not_gcc",
+    objcopy_files = ":empty",
+    strip_files = ":empty",
+    # To support linker flags that need to go to the start of command line
+    # we need the toolchain to support parameter files. Parameter files are
+    # last on the command line and contain all shared libraries to link, so all
+    # regular options will be left of them.
+    supports_param_files = 1,
+    toolchain_config = ":cc-compiler-local-config",
+    toolchain_identifier = "local_linux",
+)
+
+cc_toolchain_config(
+    name = "cc-compiler-local-config",
+    builtin_include_directories = [
+        "/dt7/usr/include/c++/7",
+        "/dt7/usr/include/c++/7/x86_64-pc-linux-gnu",
+        "/dt7/usr/include/c++/7/backward",
+        "/dt7/usr/lib/gcc/x86_64-pc-linux-gnu/7/include",
+        "/dt7/usr/lib/gcc/x86_64-pc-linux-gnu/7/include-fixed",
+        "/dt7/usr/include",
+        "/usr/local/cuda-10.1/targets/x86_64-linux/include",
+        "/usr/local/cuda-10.1/include",
+        "/usr/local/cuda-10.1/extras/CUPTI/include",
+        "/usr/include",
+    ],
+    builtin_sysroot = "",
+    cpu = "local",
+    cuda_path = "",
+    extra_no_canonical_prefixes_flags = ["-fno-canonical-system-headers"],
+    host_compiler_path = "clang/bin/crosstool_wrapper_driver_is_not_gcc",
+    host_compiler_prefix = "/usr/bin",
+    host_compiler_warnings = [],
+    host_unfiltered_compile_flags = [],
+    linker_bin_path = "/usr/bin",
+)
+
+cc_toolchain(
+    name = "cc-compiler-darwin",
+    all_files = ":crosstool_wrapper_driver_is_not_gcc",
+    ar_files = ":crosstool_wrapper_driver_is_not_gcc",
+    as_files = ":crosstool_wrapper_driver_is_not_gcc",
+    compiler_files = ":crosstool_wrapper_driver_is_not_gcc",
+    dwp_files = ":empty",
+    linker_files = ":crosstool_wrapper_driver_is_not_gcc",
+    objcopy_files = ":empty",
+    strip_files = ":empty",
+    supports_param_files = 0,
+    toolchain_config = ":cc-compiler-local-darwin",
+    toolchain_identifier = "local_darwin",
+)
+
+cc_toolchain_config(
+    name = "cc-compiler-local-darwin",
+    builtin_include_directories = [
+        "/dt7/usr/include/c++/7",
+        "/dt7/usr/include/c++/7/x86_64-pc-linux-gnu",
+        "/dt7/usr/include/c++/7/backward",
+        "/dt7/usr/lib/gcc/x86_64-pc-linux-gnu/7/include",
+        "/dt7/usr/lib/gcc/x86_64-pc-linux-gnu/7/include-fixed",
+        "/dt7/usr/include",
+        "/usr/local/cuda-10.1/targets/x86_64-linux/include",
+        "/usr/local/cuda-10.1/include",
+        "/usr/local/cuda-10.1/extras/CUPTI/include",
+        "/usr/include",
+    ],
+    cpu = "darwin",
+    extra_no_canonical_prefixes_flags = ["-fno-canonical-system-headers"],
+    host_compiler_path = "clang/bin/crosstool_wrapper_driver_is_not_gcc",
+    host_compiler_prefix = "/usr/bin",
+    host_compiler_warnings = [],
+    host_unfiltered_compile_flags = [],
+    linker_bin_path = "/usr/bin",
+)
+
+cc_toolchain(
+    name = "cc-compiler-windows",
+    all_files = ":windows_msvc_wrapper_files",
+    ar_files = ":windows_msvc_wrapper_files",
+    as_files = ":windows_msvc_wrapper_files",
+    compiler_files = ":windows_msvc_wrapper_files",
+    dwp_files = ":empty",
+    linker_files = ":windows_msvc_wrapper_files",
+    objcopy_files = ":empty",
+    strip_files = ":empty",
+    supports_param_files = 1,
+    toolchain_config = ":cc-compiler-windows-config",
+    toolchain_identifier = "local_windows",
+)
+
+cc_toolchain_config(
+    name = "cc-compiler-windows-config",
+    builtin_include_directories = [
+        "/dt7/usr/include/c++/7",
+        "/dt7/usr/include/c++/7/x86_64-pc-linux-gnu",
+        "/dt7/usr/include/c++/7/backward",
+        "/dt7/usr/lib/gcc/x86_64-pc-linux-gnu/7/include",
+        "/dt7/usr/lib/gcc/x86_64-pc-linux-gnu/7/include-fixed",
+        "/dt7/usr/include",
+        "/usr/local/cuda-10.1/targets/x86_64-linux/include",
+        "/usr/local/cuda-10.1/include",
+        "/usr/local/cuda-10.1/extras/CUPTI/include",
+        "/usr/include",
+    ],
+    cpu = "x64_windows",
+    msvc_cl_path = "msvc_not_used",
+    msvc_env_include = "msvc_not_used",
+    msvc_env_lib = "msvc_not_used",
+    msvc_env_path = "msvc_not_used",
+    msvc_env_tmp = "msvc_not_used",
+    msvc_lib_path = "msvc_not_used",
+    msvc_link_path = "msvc_not_used",
+    msvc_ml_path = "msvc_not_used",
+)
+
+filegroup(
+    name = "empty",
+    srcs = [],
+)
+
+filegroup(
+    name = "crosstool_wrapper_driver_is_not_gcc",
+    srcs = ["clang/bin/crosstool_wrapper_driver_is_not_gcc"],
+)
+
+filegroup(
+    name = "windows_msvc_wrapper_files",
+    srcs = glob(["windows/msvc_*"]),
+)