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AM5718: AM5718 : Building IPC examples

Part Number: AM5718

I have the following SDKs installed:

1. ti-processor-sdk-linux-am57xx-evm-08_02_01_00

2. processor_sdk_rtos_am57xx_08_01_00_09

While building IPC examples, I ran into errors as follows during "make ti-ipc-linux":

=================================
Configuring IPC
=================================
. /home/peterh/ti-processor-sdk-linux-am57xx-evm-08_02_01_00/linux-devkit/environment-setup; \
cd /ti/processor_sdk_rtos_am57xx_08_01_00_09/ipc_3_50_04_08; \
./configure ${CONFIGURE_FLAGS} \
    CC=${TOOLCHAIN_PREFIX}gcc \
    --prefix=/usr \
    PLATFORM=DRA7XX \
    KERNEL_INSTALL_DIR=/home/peterh/ti-processor-sdk-linux-am57xx-evm-08_02_01_00/board-support/linux-5.10.100+gitAUTOINC+7a7a3af903-g7a7a3af903
qmake: error while loading shared libraries: libstdc++.so.6: cannot open shared object file: No such file or directory
qmake: error while loading shared libraries: libstdc++.so.6: cannot open shared object file: No such file or directory
qmake: error while loading shared libraries: libstdc++.so.6: cannot open shared object file: No such file or directory
qmake: error while loading shared libraries: libstdc++.so.6: cannot open shared object file: No such file or directory
configure: WARNING: unrecognized options: --with-libtool-sysroot

=================================
Building IPC
=================================
. /home/peterh/ti-processor-sdk-linux-am57xx-evm-08_02_01_00/linux-devkit/environment-setup; \
make -j 12 -C /ti/processor_sdk_rtos_am57xx_08_01_00_09/ipc_3_50_04_08
qmake: error while loading shared libraries: libstdc++.so.6: cannot open shared object file: No such file or directory
qmake: error while loading shared libraries: libstdc++.so.6: cannot open shared object file: No such file or directory
qmake: error while loading shared libraries: libstdc++.so.6: cannot open shared object file: No such file or directory
qmake: error while loading shared libraries: libstdc++.so.6: cannot open shared object file: No such file or directory
make[1]: Entering directory '/ti/processor_sdk_rtos_am57xx_08_01_00_09/ipc_3_50_04_08'
Making all in linux/etc

"make ipc_bios" was successful, though.

Initially, I decided to disregard the errors and warning.  Then, I did "make ti-ipc-examples", loaded the target with files built per the video: https://www.ti.com/video/series/am57x-sitara-processors-training-series.html#transcript-tab.  The result was an error message indicating libraries missing.

In order to fix this issue, what are the required changes to setup and/or make files?

Thanks.

PeterH.