implicit declaration of function '__fbufsize' [-Werror=implicit-function-declaration] (GIT8266O-657)

[vyacheslav-shubin]

clone repository
./install.sh
./add_path.sh
cd examples/get-started/hello_world/
make

error: implicit declaration of function '__fbufsize' [-Werror=implicit-function-declaration]
if (__fbufsize(stdout) > 0) {
^

How to fix it?

[vyacheslav-shubin]

solved

[h1aji]

@vyacheslav-shubin how did you solve it? can you share please

[vyacheslav-shubin]

Change toolchain

[h1aji]

true. new sdk requires new toolchain - https://dl.espressif.com/dl/xtensa-lx106-elf-gcc8_4_0-esp-2020r3-linux-amd64.tar.gz