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https://github.com/opencontainers/runc.git
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3b533b23a6
Since commit 871057d8 we no longer have cc_platform.mk.
Signed-off-by: Kir Kolyshkin <kolyshkin@gmail.com>
82 lines
1.8 KiB
Bash
82 lines
1.8 KiB
Bash
#!/bin/bash
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# set_cross_vars sets a few environment variables used for cross-compiling,
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# based on the architecture specified in $1.
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function set_cross_vars() {
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GOARCH="$1" # default, may be overridden below
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unset GOARM
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PLATFORM=linux-gnu
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# openSUSE has a custom PLATFORM
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if grep -iq "ID_LIKE=.*suse" /etc/os-release; then
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PLATFORM=suse-linux
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is_suse=1
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fi
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case $1 in
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386)
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# Always use the 64-bit compiler to build the 386 binary, which works
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# for the more common cross-build method for x86 (namely, the
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# equivalent of dpkg --add-architecture).
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local cpu_type
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if [ -v is_suse ]; then
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# There is no x86_64-suse-linux-gcc, so use the native one.
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HOST=
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cpu_type=i586
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else
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HOST=x86_64-${PLATFORM}
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cpu_type=i686
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fi
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CFLAGS="-m32 -march=$cpu_type ${CFLAGS[*]}"
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;;
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amd64)
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if [ -n "${is_suse:-}" ]; then
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# There is no x86_64-suse-linux-gcc, so use the native one.
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HOST=
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else
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HOST=x86_64-${PLATFORM}
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fi
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;;
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arm64)
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HOST=aarch64-${PLATFORM}
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;;
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armel)
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HOST=arm-${PLATFORM}eabi
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GOARCH=arm
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GOARM=5
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;;
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armhf)
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HOST=arm-${PLATFORM}eabihf
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GOARCH=arm
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# "armhf" means ARMv7 for Debian, ARMv6 for Raspbian.
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# ARMv6 is chosen here for compatibility.
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#
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# https://wiki.debian.org/RaspberryPi
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#
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# > Raspberry Pi OS builds a single image for all of the Raspberry families,
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# > so you will get an armhf 32-bit, hard floating-point system, but built
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# > for the ARMv6 ISA (with VFP2), unlike Debian's ARMv7 ISA (with VFP3)
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# > port.
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GOARM=6
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;;
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ppc64le)
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HOST=powerpc64le-${PLATFORM}
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;;
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riscv64)
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HOST=riscv64-${PLATFORM}
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;;
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s390x)
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HOST=s390x-${PLATFORM}
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;;
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*)
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echo "set_cross_vars: unsupported architecture: $1" >&2
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exit 1
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;;
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esac
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CC="${HOST:+$HOST-}gcc"
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STRIP="${HOST:+$HOST-}strip"
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export HOST CFLAGS GOARM GOARCH CC STRIP
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}
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