Hello
I follow the steps and I install gcc 10.3.0.
After run python3 setup.py gen_protos && python3 setup.py bdist_wheel
I have this error

.......
ERROR: /home/pi/instmedia/mediapipe-0.8.8/third_party/BUILD:97:15: CcCmakeMakeRule third_party/opencv_cmake/include failed: (Exit 127): CMake_wrapper_script.sh failed: error executing command bazel-out/arm-opt/bin/third_party/opencv_cmake_scripts/CMake_wrapper_script.sh

Use --sandbox_debug to see verbose messages from the sandbox
rules_foreign_cc: Build failed!
rules_foreign_cc: Keeping temp build directory and dependencies directory for debug.
rules_foreign_cc: Please note that the directories inside a sandbox are still cleaned unless you specify --sandbox_debug Bazel command line flag.
rules_foreign_cc: Printing build logs:
_____ BEGIN BUILD LOGS _____

Bazel external C/C++ Rules. Building library opencv_cmake

Environment:______________
BUILD_SCRIPT=bazel-out/arm-opt/bin/third_party/opencv_cmake_scripts/CMake_script.sh
EXT_BUILD_ROOT=/home/pi/.cache/bazel/_bazel_pi/f37c7e027ae491c44f68c3cc1afe488d/sandbox/linux-sandbox/181/execroot/mediapipe
BUILD_LOG=bazel-out/arm-opt/bin/third_party/opencv_cmake_logs/CMake.log
PWD=/home/pi/.cache/bazel/_bazel_pi/f37c7e027ae491c44f68c3cc1afe488d/sandbox/linux-sandbox/181/execroot/mediapipe
BUILD_WRAPPER_SCRIPT=bazel-out/arm-opt/bin/third_party/opencv_cmake_scripts/CMake_wrapper_script.sh
PYTHON_BIN_PATH=/usr/bin/python3
TMPDIR=/tmp
EXT_BUILD_DEPS=/home/pi/.cache/bazel/_bazel_pi/f37c7e027ae491c44f68c3cc1afe488d/sandbox/linux-sandbox/181/execroot/mediapipe/bazel-out/arm-opt/bin/third_party/opencv_cmake.ext_build_deps
BUILD_TMPDIR=/home/pi/.cache/bazel/_bazel_pi/f37c7e027ae491c44f68c3cc1afe488d/sandbox/linux-sandbox/181/execroot/mediapipe/bazel-out/arm-opt/bin/third_party/opencv_cmake.build_tmpdir
SHLVL=2
LD_LIBRARY_PATH=/opt/gcc-10.3.0-2/lib:
INSTALLDIR=/home/pi/.cache/bazel/_bazel_pi/f37c7e027ae491c44f68c3cc1afe488d/sandbox/linux-sandbox/181/execroot/mediapipe/bazel-out/arm-opt/bin/third_party/opencv_cmake
PATH=/home/pi/.cache/bazel/_bazel_pi/f37c7e027ae491c44f68c3cc1afe488d/sandbox/linux-sandbox/181/execroot/mediapipe:/opt/gcc-10.3.0-2/bin:/opt/gcc-10.3.0-2/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/local/games:/usr/games
_=/usr/bin/env

bazel-out/arm-opt/bin/third_party/opencv_cmake_scripts/CMake_script.sh: line 49: cmake: command not found
_____ END BUILD LOGS _____
rules_foreign_cc: Build wrapper script location: bazel-out/arm-opt/bin/third_party/opencv_cmake_scripts/CMake_wrapper_script.sh
rules_foreign_cc: Build script location: bazel-out/arm-opt/bin/third_party/opencv_cmake_scripts/CMake_script.sh
rules_foreign_cc: Build log location: bazel-out/arm-opt/bin/third_party/opencv_cmake_logs/CMake.log

Target //mediapipe/modules/face_detection:face_detection_short_range_cpu failed to build
Use --verbose_failures to see the command lines of failed build steps.
INFO: Elapsed time: 618.757s, Critical Path: 475.84s
INFO: 403 processes: 223 internal, 180 linux-sandbox.
FAILED: Build did NOT complete successfully

Thanks