Update contrib/libs/tbb to 2021.7.0

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+# Installation from Sources
+
+
+## Prerequisites 
+   
+   - Make sure you have installed CMake version 3.1 (or newer) on your system. oneTBB uses CMake build configuration.
+   - Configure and build oneTBB. To work with build configurations, see [Build System Description](cmake/README.md). 
+
+
+## Configure oneTBB
+
+At the command prompt, type:
+```
+cmake <options> <repo_root>
+```
+
+You may want to use some additional options for configuration:
+
+| Option                    | Purpose                   | Description                                                                        |
+| ------                    |------                     | ------                                                                             |
+| `-G <generator>`          | Specify project generator | For more information, run cmake `–help`.                                           |
+|`-DCMAKE_BUILD_TYPE=Debug` | Specify for Debug build   | Not applicable for multi-configuration generators such as Visual Studio generator. |
+
+
+## Build oneTBB
+ 
+To build the system, run:
+```
+cmake --build . <options>
+```
+
+Some useful build options:
+- `--target <target>` - specific target, "all" is default.
+-	`--config <Release|Debug>` - build configuration, applicable only for multi-config generators such as Visual Studio generator.
+
+
+## Install and Pack oneTBB
+
+---
+**NOTE**
+
+Be careful about installing prefix. It defaults to `/usr/local` on UNIX* and `c:/Program Files/${PROJECT_NAME}` on Windows* OS.
+You can define custom `CMAKE_INSTALL_PREFIX` during configuration:
+
+```
+cmake -DCMAKE_INSTALL_PREFIX=/my/install/prefix ..
+```
+
+---
+
+Installation can also be done using:
+
+```
+cmake --install <project-binary-dir>
+```
+
+Special ``--install`` target can alternatively be used for installation, e.g. ``make install``.
+
+You can use the ``install`` components for partial installation.
+
+The following install components are supported:
+- `runtime` - oneTBB runtime package (core shared libraries and `.dll` files on Windows* OS).
+- `devel` - oneTBB development package (header files, CMake integration files, library symbolic links, and `.lib` files on Windows* OS).
+- `tbb4py` - [oneTBB Module for Python](#onetbb-python-module-support).
+
+If you want to install specific components after configuration and build, run:
+
+```bash
+cmake -DCOMPONENT=<component> [-DBUILD_TYPE=<build-type>] -P cmake_install.cmake
+```
+
+Simple packaging using CPack is supported.
+The following commands allow you to create a simple portable package that includes header files, libraries, and integration files for CMake:
+
+```bash
+cmake <options> ..
+cpack
+```
+
+## Example of Installation
+
+### Single-configuration generators
+
+The following example demonstrates how to install oneTBB for single-configuration generators (e.g. GNU Make, Ninja, etc.).
+```bash
+# Do our experiments in /tmp
+cd /tmp
+# Clone oneTBB repository
+git clone https://github.com/oneapi-src/oneTBB.git
+cd oneTBB
+# Create binary directory for out-of-source build
+mkdir build && cd build
+# Configure: customize CMAKE_INSTALL_PREFIX and disable TBB_TEST to avoid tests build
+cmake -DCMAKE_INSTALL_PREFIX=/tmp/my_installed_onetbb -DTBB_TEST=OFF ..
+# Build
+cmake --build .
+# Install
+cmake --install .
+# Well done! Your installed oneTBB is in /tmp/my_installed_onetbb
+```
+
+### Multi-configuration generators
+
+The following example demonstrates how to install oneTBB for multi-configuration generators such as Visual Studio*. 
+
+Choose the configuration during the build and install steps:
+```batch
+REM Do our experiments in %TMP%
+cd %TMP%
+REM Clone oneTBB repository
+git clone https://github.com/oneapi-src/oneTBB.git
+cd oneTBB
+REM Create binary directory for out-of-source build
+mkdir build && cd build
+REM Configure: customize CMAKE_INSTALL_PREFIX and disable TBB_TEST to avoid tests build
+cmake -DCMAKE_INSTALL_PREFIX=%TMP%\my_installed_onetbb -DTBB_TEST=OFF ..
+REM Build "release with debug information" configuration 
+cmake --build . --config relwithdebinfo
+REM Install "release with debug information" configuration 
+cmake --install . --config relwithdebinfo
+REM Well done! Your installed oneTBB is in %TMP%\my_installed_onetbb
+```