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Drop everything but zstd compression #6

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Drop everything but zstd compression #6

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9 changes: 2 additions & 7 deletions Dockerfile.squashfs-tools
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Expand Up @@ -7,13 +7,6 @@ WORKDIR /usr/src

# build dependencies
RUN apk update && apk add build-base cmake git sed zstd-dev zstd-static
# build zlib-ng in static lib/"zlib-compat" mode (alpine doesn't have a static/dev variant yet)
ENV ZLIB_NG_VERSION=2.2.4
RUN git clone https://github.com/zlib-ng/zlib-ng.git && cd zlib-ng && git checkout $ZLIB_NG_VERSION
WORKDIR /usr/src/zlib-ng
RUN cmake . -DZLIB_COMPAT=1
RUN cmake --build . --config Release
RUN cmake --build . --target install

# check out squashfs-tools sources
WORKDIR /usr/src
Expand All @@ -22,6 +15,8 @@ RUN git clone https://github.com/plougher/squashfs-tools && cd squashfs-tools &&
WORKDIR /usr/src/squashfs-tools/squashfs-tools
# We don't use most of these libs, so turn them off.
RUN sed -i \
-e 's/COMP_DEFAULT = gzip/COMP_DEFAULT = zstd/' \
-e 's/GZIP_SUPPORT = 1/GZIP_SUPPORT = 0/' \
-e 's/LZO_SUPPORT = 1/LZO_SUPPORT = 0/' \
-e 's/XZ_SUPPORT = 1/XZ_SUPPORT = 0/' \
-e 's/LZ4_SUPPORT = 1/LZ4_SUPPORT = 0/' \
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