Fix ubuntu 21.10 build #391
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versions later than 3 (e.g., bash 4 and bash 5). This is from: https://github.com/larsks/docker-image-esp-open-sdk/blob/master/0001-Fix-build-errors-with-bash-4.patch
isl.gforge.inria.fr seems to no longer work. This is from: pfalcon#386
…no longer available from the one that had been used. NOTE: The reason the old location didn't work is that expat-2.1.0.tar.gz on sourceforge had been renamed to "expat-2.1.0-RENAMED-VULNERABLE-PLEASE-USE-2.3.0-INSTEAD.tar.gz"... I considered seeing if it would work using 2.3.0 as suggested, but 2.3.0 similarly redirects to 2.4.1, and the immediate goal is to get this stuff to build with minimally intrusive changes. However, it would probably be wise to switch to a newer expat!
…gcc (e.g. gcc 11.2 on Ubuntu 21.10). The error was: .../esp-open-sdk/crosstool-NG/.build/src/gcc-4.8.5/gcc/reload1.c:89:24: error: use of an operand of type 'bool' in 'operator++' is forbidden in C++17
…y fixing gdb to not use an internal-only API. As suggested by canardos in their 2018-08-28 comment on pfalcon#339 applying (by hand) this patch: https://sourceware.org/legacy-ml/gdb-patches/2018-05/msg00863.html to gdb/python.c fixed the issue. This patch is the diff that resulted.
This was referenced Jan 12, 2022
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This is a minimal set of changes to get the build to work on Ubuntu 21.10, which (based on the numerous posts, issues, questions, etc. that I found in the course of figuring out how to get this to build) would apparently save a lot of people a lot of trouble. The MicroPython ESP8266 port points to your repo, so anyone trying to follow those instructions is going to run into these same problems.