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47 lines
1.5 KiB
Plaintext
47 lines
1.5 KiB
Plaintext
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# crosstool.common
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#
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# Common Docker instructions to install "crosstool-ng" and build a full
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# cross-compiler suite from a crosstool-ng configuration, CROSSTOOL_CONFIG.
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#
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# This import complements the "dockcross/base" image, adding:
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# - "ct-ng", a cross-compiler building utilty.
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# - A cross-compiler suite configured in "crosstool-ng.config".
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#
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# The generated cross-compiler will have a CROSS_ROOT of:
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# ${XCC_PREFIX}/${CROSS_TRIPLE}
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#
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# A given platform will need to supply the appropriate "crosstool-ng.config" to
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# generate its cross-compiler. This can be built using "ct-ng menuconfig" to
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# generate a configuration.
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# Install Debian packages required for `ct-ng`.
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RUN apt-get update --yes && apt-get install --no-install-recommends --yes \
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gawk \
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gperf \
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help2man \
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texinfo \
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&& apt-get clean --yes
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ENV XCC_PREFIX=/usr/xcc
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# Add the crosstool-ng script and image-specific toolchain configuration into
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# /dockcross/.
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#
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# Afterwards, we will leave the "ct-ng" config in the image as a reference
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# for users.
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COPY \
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imagefiles/install-crosstool-ng-toolchain.sh \
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crosstool-ng.config \
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/dockcross/
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# Build and install the toolchain, cleaning up artifacts afterwards.
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RUN mkdir /dockcross/crosstool \
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&& cd /dockcross/crosstool \
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&& /dockcross/install-crosstool-ng-toolchain.sh \
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-p "${XCC_PREFIX}" \
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-c /dockcross/crosstool-ng.config \
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&& rm -rf /dockcross/crosstool /dockcross/install-crosstool-ng-toolchain.sh
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# Restore our default workdir (from "dockcross/base").
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WORKDIR /work
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