55 lines
2.2 KiB
Docker
55 lines
2.2 KiB
Docker
ARG GH_REPO=ghcr.io/btbn/ffmpeg-builds
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FROM $GH_REPO/base:latest
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RUN --mount=src=ct-ng-config,dst=/.config \
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git clone --filter=blob:none https://github.com/crosstool-ng/crosstool-ng.git /ct-ng && cd /ct-ng && \
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./bootstrap && \
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./configure --enable-local && \
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make -j$(nproc) && \
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cp /.config .config && \
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./ct-ng build && \
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cd / && \
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rm -rf ct-ng
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# Prepare "cross" environment to heavily favour static builds
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RUN \
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find /opt/ct-ng -type l \
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-and -name '*.so' \
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-and -not -ipath '*plugin*' \
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-and -not -name 'libdl.*' \
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-and -not -name 'libc.*' \
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-and -not -name 'libm.*' \
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-and -not -name 'libmvec.*' \
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-and -not -name 'librt.*' \
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-and -not -name 'libpthread.*' \
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-delete && \
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find /opt/ct-ng \
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-name 'libdl.a' \
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-or -name 'libc.a' \
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-or -name 'libm.a' \
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-or -name 'libmvec.a' \
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-or -name 'librt.a' \
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-or -name 'libpthread.a' \
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-delete && \
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mkdir /opt/ffbuild
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ADD toolchain.cmake /toolchain.cmake
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ADD cross.meson /cross.meson
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ADD gen-implib.sh /usr/bin/gen-implib
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RUN git clone --filter=blob:none --depth=1 https://github.com/yugr/Implib.so /opt/implib
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ENV FFBUILD_TOOLCHAIN=x86_64-ffbuild-linux-gnu
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ENV PATH="/opt/ct-ng/bin:${PATH}" \
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FFBUILD_TARGET_FLAGS="--pkg-config=pkg-config --cross-prefix=${FFBUILD_TOOLCHAIN}- --arch=x86_64 --target-os=linux" \
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FFBUILD_CROSS_PREFIX="${FFBUILD_TOOLCHAIN}-" \
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FFBUILD_RUST_TARGET="x86_64-unknown-linux-gnu" \
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FFBUILD_PREFIX=/opt/ffbuild \
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FFBUILD_CMAKE_TOOLCHAIN=/toolchain.cmake \
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PKG_CONFIG=pkg-config \
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PKG_CONFIG_LIBDIR=/opt/ffbuild/lib/pkgconfig:/opt/ffbuild/share/pkgconfig \
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CFLAGS="-static-libgcc -static-libstdc++ -I/opt/ffbuild/include -O2 -pipe -fPIC -DPIC -D_FORTIFY_SOURCE=2 -fstack-protector-strong -pthread" \
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CXXFLAGS="-static-libgcc -static-libstdc++ -I/opt/ffbuild/include -O2 -pipe -fPIC -DPIC -D_FORTIFY_SOURCE=2 -fstack-protector-strong -pthread" \
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LDFLAGS="-static-libgcc -static-libstdc++ -L/opt/ffbuild/lib -O2 -pipe -fstack-protector-strong -Wl,-z,relro,-z,now -pthread -lm" \
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STAGE_CFLAGS="-fvisibility=hidden -fno-semantic-interposition" \
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STAGE_CXXFLAGS="-fvisibility=hidden -fno-semantic-interposition"
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