70 lines
2.0 KiB
Bash
70 lines
2.0 KiB
Bash
#!/usr/bin/env sh
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#
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# Install musl and musl-sanitized linux kernel headers
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# to musl-{$1} directory
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set -ex
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MUSL_VERSION=1.1.22
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MUSL="musl-${MUSL_VERSION}"
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# Download, configure, build, and install musl:
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curl --retry 5 https://www.musl-libc.org/releases/${MUSL}.tar.gz | tar xzf -
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cd $MUSL
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case ${1} in
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aarch64)
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musl_arch=aarch64
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kernel_arch=arm64
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CC=aarch64-linux-gnu-gcc \
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./configure --prefix="/musl-${musl_arch}" --enable-wrapper=yes
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make install -j4
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;;
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arm)
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musl_arch=arm
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kernel_arch=arm
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CC=arm-linux-gnueabihf-gcc CFLAGS="-march=armv6 -marm -mfpu=vfp" \
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./configure --prefix="/musl-${musl_arch}" --enable-wrapper=yes
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make install -j4
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;;
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i686)
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# cross-compile musl for i686 using the system compiler on an x86_64
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# system.
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musl_arch=i686
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kernel_arch=i386
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# Specifically pass -m32 in CFLAGS and override CC when running
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# ./configure, since otherwise the script will fail to find a compiler.
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CC=gcc CFLAGS="-m32" \
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./configure --prefix="/musl-${musl_arch}" --disable-shared --target=i686
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# unset CROSS_COMPILE when running make; otherwise the makefile will
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# call the non-existent binary 'i686-ar'.
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make CROSS_COMPILE= install -j4
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;;
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x86_64)
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musl_arch=x86_64
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kernel_arch=x86_64
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./configure --prefix="/musl-${musl_arch}"
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make install -j4
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;;
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*)
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echo "Unknown target arch: \"${1}\""
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exit 1
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;;
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esac
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# shellcheck disable=SC2103
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cd ..
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rm -rf $MUSL
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# Download, configure, build, and install musl-sanitized kernel headers:
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KERNEL_HEADER_VER="4.4.2-2"
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curl --retry 5 -L \
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"https://github.com/sabotage-linux/kernel-headers/archive/v${KERNEL_HEADER_VER}.tar.gz" | \
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tar xzf -
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(
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cd kernel-headers-${KERNEL_HEADER_VER}
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make ARCH="${kernel_arch}" prefix="/musl-${musl_arch}" install -j4
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)
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rm -rf kernel-headers-${KERNEL_HEADER_VER}
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