common_functions

   1 #!/bin/bash
   2
   3 ################################################################
   4 #
   5 # Copyright (c) 1995-2014 SUSE Linux Products GmbH
   6 #
   7 # This program is free software; you can redistribute it and/or modify
   8 # it under the terms of the GNU General Public License version 2 or 3 as
   9 # published by the Free Software Foundation.
  10 #
  11 # This program is distributed in the hope that it will be useful,
  12 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 # GNU General Public License for more details.
  15 #
  16 # You should have received a copy of the GNU General Public License
  17 # along with this program (see the file COPYING); if not, write to the
  18 # Free Software Foundation, Inc.,
  19 # 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
  20 #
  21 ################################################################
  22
  23 build_host_arch() {
  24     : ${BUILD_HOST_ARCH:=`uname -m`}
  25     # the linux kernel only knows armv7l, armv7hl is a userland definition
  26     test armv7l == "$BUILD_HOST_ARCH" && BUILD_HOST_ARCH=armv7hl
  27
  28     BUILD_INITVM_ARCH="$BUILD_HOST_ARCH"
  29     # avoid multiple initvm.* helpers for i586 and i686
  30     test i686 != "$BUILD_INITVM_ARCH" || BUILD_INITVM_ARCH=i586
  31 }
  32
  33 extend_build_arch() {
  34     case $BUILD_ARCH in
  35       aarch64) BUILD_ARCH="aarch64:aarch64_ilp32:armv8l" ;;
  36       aarch64_ilp32) BUILD_ARCH="aarch64_ilp32:aarch64:armv8l" ;;
  37       armv8l) BUILD_ARCH="armv8l" ;; # armv8l is aarch64 in 32bit mode. not a superset of armv7
  38       armv7hl) BUILD_ARCH="armv7hl:armv7l:armv6hl:armv6l:armv5tel" ;;
  39       armv7l) BUILD_ARCH="armv7l:armv6l:armv5tel" ;;
  40       armv6hl) BUILD_ARCH="armv6hl:armv6l:armv5tel" ;;
  41       armv6l) BUILD_ARCH="armv6l:armv5tel" ;;
  42       armv5tel) BUILD_ARCH="armv5tel" ;;
  43       m68k) BUILD_ARCH="m68k" ;;
  44       mips64) BUILD_ARCH="mips64:mips" ;;
  45       mips) BUILD_ARCH="mips" ;;
  46       i686) BUILD_ARCH="i686:i586:i486:i386" ;;
  47       i586) BUILD_ARCH="i586:i486:i386" ;;
  48       i486) BUILD_ARCH="i486:i386" ;;
  49       i386) BUILD_ARCH="i386" ;;
  50       ia64) BUILD_ARCH="ia64" ;;
  51       parisc64) BUILD_ARCH="hppa64:hppa" ;;
  52       parisc) BUILD_ARCH="hppa" ;;
  53       ppc) BUILD_ARCH="ppc" ;;
  54       ppc64) BUILD_ARCH="ppc64:ppc" ;;
  55       ppc64le) BUILD_ARCH="ppc64le" ;;
  56       s390x) BUILD_ARCH="s390x:s390" ;;
  57       s390) BUILD_ARCH="s390" ;;
  58       sparc64v) BUILD_ARCH="sparc64v:sparc64:sparcv9v:sparcv9:sparcv8:sparc" ;;
  59       sparc64) BUILD_ARCH="sparc64:sparcv9:sparcv8:sparc" ;;
  60       sparcv9v) BUILD_ARCH="sparcv9v:sparcv9:sparcv8:sparc" ;;
  61       sparcv9) BUILD_ARCH="sparcv9:sparcv8:sparc" ;;
  62       sparcv8) BUILD_ARCH="sparcv8:sparc" ;;
  63       sparc) BUILD_ARCH="sparc" ;;
  64       x86_64) BUILD_ARCH="x86_64:i686:i586:i486:i386" ;;
  65     esac
  66 }
  67
  68 set_build_arch() {
  69     build_host_arch
  70     if test -z "$BUILD_ARCH" ; then
  71         BUILD_ARCH="$BUILD_HOST_ARCH"
  72     fi
  73     extend_build_arch
  74     if test "$BUILD_ARCH" != "${BUILD_ARCH#i686}" ; then
  75         cpuflags=`grep ^flags /proc/cpuinfo`
  76         cpuflags="$cpuflags "
  77         if test "$cpuflags" = "${cpuflags/ cx8 /}" -o "$cpuflags" = "${cpuflags/ cmov /}"; then
  78             echo "Your cpu doesn't support i686 rpms. Exit."
  79             cleanup_and_exit 1
  80         fi
  81     fi
  82 }
  83
  84 check_exit() {
  85     if test -e $BUILD_ROOT/exit; then
  86         echo "exit ..."
  87         cleanup_and_exit 1
  88     fi
  89 }
  90
  91 check_use_emulator() {
  92     INITVM_NAME=
  93     # check if the extended host arch contains the build arch
  94     local old_build_arch="$BUILD_ARCH"
  95     local arch="${BUILD_ARCH%%:*}"
  96     BUILD_ARCH="$BUILD_HOST_ARCH"
  97     extend_build_arch
  98     BUILD_ARCH=":$BUILD_ARCH:"
  99     if test "$BUILD_ARCH" != "${BUILD_ARCH/:$arch:/}" ; then
 100         # native supported arch, no emulator
 101         BUILD_ARCH="$old_build_arch"
 102         return 1
 103     fi
 104     BUILD_ARCH="$old_build_arch"
 105
 106     # to run the qemu initialization in the vm, we need to
 107     # register it with a static program or shell script
 108     INITVM_NAME="initvm.$BUILD_INITVM_ARCH"
 109     if test -e "$BUILD_DIR/$INITVM_NAME" -a -e "$BUILD_DIR/qemu-reg" ; then
 110         chmod 0755 "$BUILD_DIR/$INITVM_NAME"
 111         return 0        # chroot build, we need to run
 112     fi
 113     # XXX: error?
 114     echo "Warning: cross compile not possible due to missing static binaries. please install build-initvm package for that purpose."
 115     echo "         check that the right architecture is available for your build host, you need $INITVM_NAME for this one."
 116     INITVM_NAME=
 117     return 1
 118 }
 119
 120 # usage:
 121 # progress_setup LIST
 122 # for I in $LIST; do
 123 #    progress_step LIST
 124 #    action $I
 125 # done
 126
 127 # $1 name of a textual list
 128 progress_setup() {
 129     eval "$1__ARRAY__=(\$$1)"
 130     eval "$1__INDEX__=1"
 131     eval "$1__LENGTH__=\${#$1__ARRAY__[@]}"
 132 }
 133
 134 # $1 name of a textual list
 135 # $2 optional, printf format for 2 numeric arguments (current, total)
 136 progress_step() {
 137     local IDX=$1__INDEX__
 138     local LEN=$1__LENGTH__
 139     printf "${2-[%d/%d] }" $(($IDX++)) ${!LEN}
 140 }