esp32s2 + NVS + ESP IDF 4.4 needs default-linker-libraries due to atexit called from libstdc++

Author: ivmarkov

.github/workflows/ci.yml

@@ -86,7 +86,7 @@ jobs:
         env:
           ESP_IDF_VERSION: ${{ matrix.idf-version }}
           ESP_IDF_SDKCONFIG_DEFAULTS: $(pwd)/.github/configs/sdkconfig.defaults
-          RUSTFLAGS: "${{ matrix.idf-version == 'release/v5.0' && '--cfg espidf_time64' || ''}} ${{ matrix.target == 'riscv32imc-esp-espidf' && '-C default-linker-libraries' || ''}}"
+          RUSTFLAGS: "${{ matrix.idf-version == 'release/v5.0' && '--cfg espidf_time64 ' || ''}} ${{ '-C default-linker-libraries' }}"
           WIFI_SSID: "ssid"
           WIFI_PASS: "pass"
         run: cargo build --examples --target ${{ matrix.target }} -Zbuild-std=std,panic_abort -Zbuild-std-features=panic_immediate_abort