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riotbuild: upgrade ESP32 toolchain to GCC 15.2.0, GDB 16.3 and QEMU 9.2.2 #264

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riotbuild: upgrade ESP32 toolchain to GCC 15.2.0, GDB 16.3 and QEMU 9.2.2 #264

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1dc6aa1
riotbuild: upgrade ESP32 toolchain GCC 15.2.0, GDB 16.3 and QEMU 9.2.2
gschorcht Jan 12, 2026
ee53f51
fixup! riotbuild: upgrade ESP32 toolchain GCC 15.2.0, GDB 16.3 and QE…
gschorcht Feb 2, 2026
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22 changes: 11 additions & 11 deletions riotbuild/Dockerfile
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Original file line number Diff line number Diff line change
Expand Up @@ -181,7 +181,7 @@ RUN mkdir -p /opt && \

ENV PATH $PATH:/opt/xpack-riscv-none-elf-gcc-${RISCV_VERSION}/bin

# Install complete ESP8266 toolchain in /opt/esp (139 MB after cleanup)
# Install complete ESP8266 toolchain in /opt/esp (132 MB after cleanup)
# remember https://github.com/RIOT-OS/RIOT/pull/10801 when updating
RUN echo 'Installing ESP8266 toolchain' >&2 && \
mkdir -p /opt/esp && \
Expand All @@ -206,9 +206,9 @@ ENV PATH $PATH:/opt/esp/xtensa-esp8266-elf/bin
ENV ESP8266_RTOS_SDK_DIR /opt/esp/ESP8266_RTOS_SDK

# Install ESP32x Xtensa toolchain in /opt/esp (1.1 GB)
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@crasbe crasbe Jan 12, 2026

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Are the installation sizes still accurate with the new versions?

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@gschorcht gschorcht Feb 2, 2026

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I adjusted the sizes a little in commit ee53f51.

ARG ESP32_GCC_RELEASE="esp-14.2.0_20241119"
ARG ESP32_GCC_VERSION_DIR="14.2.0"
ARG ESP32_GCC_VERSION_DOWNLOAD="14.2.0_20241119"
ARG ESP32_GCC_RELEASE="esp-15.2.0_20251204"
ARG ESP32_GCC_VERSION_DIR="15.2.0"
ARG ESP32_GCC_VERSION_DOWNLOAD="15.2.0_20251204"
ARG ESP32_GCC_REPO=https://github.com/espressif/crosstool-NG/releases/download

ARG ESP32_GCC_FILE=xtensa-esp-elf-${ESP32_GCC_VERSION_DOWNLOAD}-x86_64-linux-gnu.tar.xz
Expand All @@ -219,17 +219,17 @@ RUN echo 'Installing ESP32 toolchain for Xtensa' >&2 && \
pip install --no-cache-dir pyserial
ENV PATH $PATH:/opt/esp/xtensa-esp-elf/bin

# Install ESP32x RISC-V toolchain in /opt/esp (2.1 GB)
# Install ESP32x RISC-V toolchain in /opt/esp (2.8 GB)
ARG ESP32_GCC_FILE=riscv32-esp-elf-${ESP32_GCC_VERSION_DOWNLOAD}-x86_64-linux-gnu.tar.xz
ARG ESP32_GCC_URL=${ESP32_GCC_REPO}/${ESP32_GCC_RELEASE}/${ESP32_GCC_FILE}

RUN echo 'Installing ESP32 toolchain for RISC-V' >&2 && \
curl -L ${ESP32_GCC_URL} | tar -C /opt/esp -xJ
ENV PATH $PATH:/opt/esp/riscv32-esp-elf/bin

# Install ESP32x QEMU in /opt/esp (136 MB)
ARG ESP32_QEMU_VERSION="esp-develop-9.0.0-20240606"
ARG ESP32_QEMU_VERSION_DOWNLOAD="esp_develop_9.0.0_20240606"
# Install ESP32x QEMU in /opt/esp (77 MB)
ARG ESP32_QEMU_VERSION="esp-develop-9.2.2-20250817"
ARG ESP32_QEMU_VERSION_DOWNLOAD="esp_develop_9.2.2_20250817"
ARG ESP32_QEMU_REPO=https://github.com/espressif/qemu/releases/download

ARG ESP32_QEMU_FILE=qemu-xtensa-softmmu-${ESP32_QEMU_VERSION_DOWNLOAD}-x86_64-linux-gnu.tar.xz
Expand All @@ -248,8 +248,8 @@ RUN echo 'Installing ESP32 QEMU for RISC-V' >&2 && \
curl -L ${ESP32_QEMU_URL} | tar -C /opt/esp/qemu-riscv32-softmmu -xJ
ENV PATH $PATH:/opt/esp/qemu-riscv32-softmmu/bin

# Install GDB for ESP32x Xtensa SoCs in /opt/esp (91 MB)
ARG ESP32_GDB_VERSION="14.2_20240403"
# Install GDB for ESP32x Xtensa SoCs in /opt/esp (105 MB)
ARG ESP32_GDB_VERSION="16.3_20250913"
ARG ESP32_GDB_REPO=https://github.com/espressif/binutils-gdb/releases/download
ARG ESP32_GDB_REPO_DIR=esp-gdb-v${ESP32_GDB_VERSION}

Expand All @@ -260,7 +260,7 @@ RUN echo 'Installing ESP32 GDB for Xtensa' >&2 && \
curl -L ${ESP32_GDB_URL} | tar -C /opt/esp -xz
ENV PATH $PATH:/opt/esp/xtensa-esp-elf-gdb/bin

# Install GDB for ESP32x RISC-V SoCs in /opt/esp (89 MB)
# Install GDB for ESP32x RISC-V SoCs in /opt/esp (105 MB)
ARG ESP32_GDB_FILE=riscv32-esp-elf-gdb-${ESP32_GDB_VERSION}-x86_64-linux-gnu.tar.gz
ARG ESP32_GDB_URL=${ESP32_GDB_REPO}/${ESP32_GDB_REPO_DIR}/${ESP32_GDB_FILE}

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