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#!/bin/bash
build_host_arch() {
: ${BUILD_HOST_ARCH:=`uname -m`}
BUILD_INITVM_ARCH="$BUILD_HOST_ARCH"
# avoid multiple initvm.* helpers for i586 and i686
test i686 != "$BUILD_INITVM_ARCH" || BUILD_INITVM_ARCH=i586
}
extend_build_arch() {
case $BUILD_ARCH in
armv7hl) BUILD_ARCH="armv7hl:armv7l:armv6hl:armv6l:armv5tel" ;;
armv7l) BUILD_ARCH="armv7l:armv6l:armv5tel" ;;
armv6hl) BUILD_ARCH="armv6hl:armv6l:armv5tel" ;;
armv6l) BUILD_ARCH="armv6l:armv5tel" ;;
armv5tel) BUILD_ARCH="armv5tel" ;;
i686) BUILD_ARCH="i686:i586:i486:i386" ;;
i586) BUILD_ARCH="i586:i486:i386" ;;
i486) BUILD_ARCH="i486:i386" ;;
i386) BUILD_ARCH="i386" ;;
ppc64) BUILD_ARCH="ppc64:ppc" ;;
ppc64le) BUILD_ARCH="ppc64le" ;;
sparc64v) BUILD_ARCH="sparc64v:sparc64:sparcv9v:sparcv9:sparcv8:sparc" ;;
sparc64) BUILD_ARCH="sparc64:sparcv9:sparcv8:sparc" ;;
sparcv9v) BUILD_ARCH="sparcv9v:sparcv9:sparcv8:sparc" ;;
sparcv9) BUILD_ARCH="sparcv9:sparcv8:sparc" ;;
sparcv8) BUILD_ARCH="sparcv8:sparc" ;;
sparc) BUILD_ARCH="sparc" ;;
x86_64) BUILD_ARCH="x86_64:i686:i586:i486:i386" ;;
esac
}
set_build_arch() {
build_host_arch
if test -z "$BUILD_ARCH" ; then
BUILD_ARCH="$BUILD_HOST_ARCH"
fi
extend_build_arch
if test "$BUILD_ARCH" != "${BUILD_ARCH#i686}" ; then
cpuflags=`grep ^flags /proc/cpuinfo`
cpuflags="$cpuflags "
if test "$cpuflags" = "${cpuflags/ cx8 /}" -o "$cpuflags" = "${cpuflags/ cmov /}"; then
echo "Your cpu doesn't support i686 rpms. Exit."
cleanup_and_exit 1
fi
fi
}
check_exit() {
if test -e $BUILD_ROOT/exit; then
echo "exit ..."
cleanup_and_exit 1
fi
}
check_use_emulator() {
INITVM_NAME=
# check if the extended host arch contains the build arch
local old_build_arch="$BUILD_ARCH"
local arch="${BUILD_ARCH%%:*}"
BUILD_ARCH="$BUILD_HOST_ARCH"
extend_build_arch
BUILD_ARCH=":$BUILD_ARCH:"
if test "$BUILD_ARCH" != "${BUILD_ARCH/:$arch:/}" ; then
# native supported arch, no emulator
BUILD_ARCH="$old_build_arch"
return 1
fi
BUILD_ARCH="$old_build_arch"
# to run the qemu initialization in the vm, we need to
# register it with a static program or shell script
INITVM_NAME="initvm.$BUILD_INITVM_ARCH"
if test -e "$BUILD_DIR/$INITVM_NAME" -a -e "$BUILD_DIR/qemu-reg" ; then
chmod 0755 "$BUILD_DIR/$INITVM_NAME"
return 0 # chroot build, we need to run
fi
# XXX: error?
echo "Warning: cross compile not possible due to missing static binaries. please install build-initvm package for that purpose."
echo " check that the right architecture is available for your build host, you need $INITVM_NAME for this one."
INITVM_NAME=
return 1
}
# usage:
# progress_setup LIST
# for I in $LIST; do
# progress_step LIST
# action $I
# done
# $1 name of a textual list
progress_setup() {
eval "$1__ARRAY__=(\$$1)"
eval "$1__INDEX__=1"
eval "$1__LENGTH__=\${#$1__ARRAY__[@]}"
}
# $1 name of a textual list
# $2 optional, printf format for 2 numeric arguments (current, total)
progress_step() {
local IDX=$1__INDEX__
local LEN=$1__LENGTH__
printf "${2-[%d/%d] }" $(($IDX++)) ${!LEN}
}
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