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|
#!/bin/bash
################################################################
#
# Copyright (c) 1995-2014 SUSE Linux Products GmbH
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License version 2 or 3 as
# published by the Free Software Foundation.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program (see the file COPYING); if not, write to the
# Free Software Foundation, Inc.,
# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
#
################################################################
build_host_arch() {
: ${BUILD_HOST_ARCH:=`uname -m`}
# the linux kernel only knows armv7l, armv7hl is a userland definition
test armv7l == "$BUILD_HOST_ARCH" && BUILD_HOST_ARCH=armv7hl
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 $BUILD_ARCH in
aarch64) BUILD_ARCH="aarch64:aarch64_ilp32:armv8l" ;;
aarch64_ilp32) BUILD_ARCH="aarch64_ilp32:aarch64:armv8l" ;;
armv8l) BUILD_ARCH="armv8l" ;; # armv8l is aarch64 in 32bit mode. not a superset of armv7
armv7hl) BUILD_ARCH="armv7hl:armv7l:armv6hl:armv6l:armv5tel" ;;
armv7l) BUILD_ARCH="armv7l:armv6l:armv5tel" ;;
armv6hl) BUILD_ARCH="armv6hl:armv6l:armv5tel" ;;
armv6l) BUILD_ARCH="armv6l:armv5tel" ;;
armv5tel) BUILD_ARCH="armv5tel" ;;
m68k) BUILD_ARCH="m68k" ;;
mips64) BUILD_ARCH="mips64:mips" ;;
mips) BUILD_ARCH="mips" ;;
i686) BUILD_ARCH="i686:i586:i486:i386" ;;
i586) BUILD_ARCH="i586:i486:i386" ;;
i486) BUILD_ARCH="i486:i386" ;;
i386) BUILD_ARCH="i386" ;;
ia64) BUILD_ARCH="ia64" ;;
parisc64) BUILD_ARCH="hppa64:hppa" ;;
parisc) BUILD_ARCH="hppa" ;;
ppc) BUILD_ARCH="ppc" ;;
ppc64) BUILD_ARCH="ppc64:ppc" ;;
ppc64le) BUILD_ARCH="ppc64le" ;;
s390x) BUILD_ARCH="s390x:s390" ;;
s390) BUILD_ARCH="s390" ;;
sparc64v) BUILD_ARCH="sparc64v:sparc64:sparcv9v:sparcv9:sparcv8:sparc" ;;
sparc64) BUILD_ARCH="sparc64:sparcv9:sparcv8:sparc" ;;
sparcv9v) BUILD_ARCH="sparcv9v:sparcv9:sparcv8:sparc" ;;
sparcv9) BUILD_ARCH="sparcv9:sparcv8:sparc" ;;
sparcv8) BUILD_ARCH="sparcv8:sparc" ;;
sparc) BUILD_ARCH="sparc" ;;
x86_64) BUILD_ARCH="x86_64:i686:i586:i486:i386" ;;
esac
}
set_build_arch() {
build_host_arch
if test -z "$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_native_arch() {
local arch="$1"
local old_build_arch="$BUILD_ARCH"
BUILD_ARCH="$BUILD_HOST_ARCH"
extend_build_arch
BUILD_ARCH=":$BUILD_ARCH:"
if test "$BUILD_ARCH" != "${BUILD_ARCH/:$arch:/}" ; then
BUILD_ARCH="$old_build_arch"
return 0
fi
BUILD_ARCH="$old_build_arch"
return 1
}
check_use_emulator() {
INITVM_NAME=
# check if the extended host arch contains the build arch
if check_native_arch "${BUILD_ARCH%%:*}" ; then
# native supported arch, no emulator needed
return 1
fi
# 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}
}
# umount that does not follow symlinks
buildroot_umount() {
local d="$1"
local d2="/$d"
while test -n "$d2" ; do
test -L "$BUILD_ROOT$d2" && return
test -d "$BUILD_ROOT$d2" || return
d2="${d2%/*}"
done
# XXX: use stat -f /dev/pts/ -c %T to check whether it's mounted and not suppress errors?
local LOOP_CNT=1
while [ $LOOP_CNT -le 20 ] ; do
umount -n "$BUILD_ROOT/$d" 2>/dev/null
if test $? -ne 0; then
break
fi
LOOP_CNT=$((LOOP_CNT+1))
done
}
# rm that makes sure the file is gone
buildroot_rm() {
rm -rf "$BUILD_ROOT/$1"
test -e "$BUILD_ROOT/$1" && cleanup_and_exit 1 "could not remove $BUILD_ROOT/$1"
}
assert_dirs() {
local d rl
if test -z "$1" ; then
set usr sbin usr/bin usr/sbin etc .build .build.oldpackages .init_b_cache .init_b_cache/scripts .init_b_cache/rpms .preinstall_image proc proc/sys proc/sys/fs proc/sys/fs/binfmt_misc sys dev dev/pts dev/shm mnt
fi
for d in "$@" ; do
if test -L "$BUILD_ROOT/$d" ; then
rl="$(readlink "$BUILD_ROOT/$d")"
test "$d" = sbin -a "x$rl" = "xusr/sbin" && continue
test "$d" = sbin -a "x$rl" = "xusr/bin" && continue
test "$d" = usr/sbin -a "x$rl" = "xbin" && continue
cleanup_and_exit 1 "$d: illegal symlink to $rl"
else
test -e "$BUILD_ROOT/$d" -a ! -d "$BUILD_ROOT/$d" && cleanup_and_exit 1 "$d: not a directory"
fi
done
}
assert_dir_path() {
test "$1" != "${1%/*}" && assert_dir_path "${1%/*}"
assert_dirs "$1"
}
|
