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Use GCC 12 by default #10

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Merged
taughz merged 1 commit into from
Jun 6, 2026
Merged

Use GCC 12 by default #10

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12 changes: 12 additions & 0 deletions containers/cpp/Containerfile
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Original file line number Diff line number Diff line change
Expand Up @@ -67,6 +67,18 @@ RUN update-alternatives --install /usr/bin/clang clang /usr/bin/clang-16 1000 \
&& update-alternatives --install /usr/bin/clang-format-diff clang-format-diff /usr/bin/clang-format-diff-16 1000 \
&& update-alternatives --install /usr/bin/clangd clangd /usr/bin/clangd-16 1000

# Install GCC 12, plus the JIT library, just in case we need it for Emacs
RUN apt-get update \
&& apt-get install -y --no-install-recommends \
g++-12 \
gcc-12 \
libgccjit-12-dev \
&& rm -rf /var/lib/apt/lists/*

# Make aliases to default to GCC 12
RUN update-alternatives --install /usr/bin/gcc gcc /usr/bin/gcc-12 1000 \
&& update-alternatives --install /usr/bin/g++ g++ /usr/bin/g++-12 1000

# Update common commands to use Clang by default. WARNING: DO NOT ATTEMPT TO USE
# CLANG FOR BUILDING THINGS LIKE KERNEL MODULES! THAT WON'T WORK! DON'T ATTEMPT
# TO UPDATE YOUR KERNEL AND USE DKMS! THAT WON'T WORK!
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