common_functions

   1 #!/bin/bash
   2
   3 : ${CACHE_DIR:=/var/cache/build}
   4
   5 set_build_arch()
   6 {
   7     : ${BUILD_HOST_ARCH:=`uname -m`}
   8
   9     if [ -z "$BUILD_ARCH" ]; then
  10         BUILD_ARCH="$BUILD_HOST_ARCH"
  11         test i686 != "$BUILD_ARCH" || BUILD_ARCH=i586 # XXX: why?
  12     fi
  13
  14     case $BUILD_ARCH in
  15       i686) BUILD_ARCH="i686:i586:i486:i386" ;;
  16       i586) BUILD_ARCH="i586:i486:i386" ;;
  17       i486) BUILD_ARCH="i486:i386" ;;
  18       i386) BUILD_ARCH="i386" ;;
  19       x86_64) BUILD_ARCH="x86_64:i686:i586:i486:i386" ;;
  20       sparc64v) BUILD_ARCH="sparc64v:sparc64:sparcv9v:sparcv9:sparcv8:sparc" ;;
  21       sparc64) BUILD_ARCH="sparc64:sparcv9:sparcv8:sparc" ;;
  22       sparcv9v) BUILD_ARCH="sparcv9v:sparcv9:sparcv8:sparc" ;;
  23       sparcv9) BUILD_ARCH="sparcv9:sparcv8:sparc" ;;
  24       sparcv8) BUILD_ARCH="sparcv8:sparc" ;;
  25       sparc) BUILD_ARCH="sparc" ;;
  26     esac
  27     if test "$BUILD_ARCH" != "${BUILD_ARCH#i686}" ; then
  28         cpuflags=`grep ^flags /proc/cpuinfo`
  29         cpuflags="$cpuflags "
  30         if test "$cpuflags" = "${cpuflags/ cx8 /}" -o "$cpuflags" = "${cpuflags/ cmov /}"; then
  31             echo "Your cpu doesn't support i686 rpms. Exit."
  32             cleanup_and_exit 1
  33         fi
  34     fi
  35 }
  36
  37 check_exit()
  38 {
  39     if test -e $BUILD_ROOT/exit; then
  40         echo "exit ..."
  41         cleanup_and_exit 1
  42     fi
  43 }
  44
  45 is_emulator_arch()
  46 {
  47     local arch
  48     for arch in $EMULATOR_ARCHS; do
  49         if test "$BUILD_ARCH" = "$arch" -a "$BUILD_HOST_ARCH" != "$arch"; then
  50             return 0
  51         fi
  52     done
  53     return 1
  54 }
  55
  56 check_use_emulator()
  57 {
  58     is_emulator_arch || return
  59
  60     if [ -z "$VM_TYPE" ]; then
  61         return 0
  62     fi
  63
  64     # to run the qemu initialization in the XEN chroot, we need to
  65     # register it with a static program or shell script
  66     case "$BUILD_HOST_ARCH" in
  67         i?86|x86_64)
  68             if test -e $BUILD_DIR/initvm && \
  69                 test -e $BUILD_DIR/qemu-reg; then
  70                 return 0        # prefer initvm to handle registration
  71             elif test -e /bin/bash-static \
  72                 -a -e /bin/mount-static \
  73                 -a -e /usr/sbin/qemu-binfmt-conf.sh; then
  74                 return 0        # as backup use /usr/sbin/qemu-binfmt.conf.sh
  75             else
  76                 # XXX: error?
  77                 echo "Warning: cross compile not possible due to missing static binaries"
  78             fi
  79         ;;
  80     esac
  81     return 1
  82 }
  83
  84 # usage:
  85 # progress_setup LIST
  86 # for I in $LIST; do
  87 #    progress_step LIST
  88 #    action $I
  89 # done
  90
  91 # $1 name of a textual list
  92 progress_setup() {
  93     eval "$1__ARRAY__=(\$$1)"
  94     eval "$1__INDEX__=1"
  95     eval "$1__LENGTH__=\${#$1__ARRAY__[@]}"
  96 }
  97
  98 # $1 name of a textual list
  99 # $2 optional, printf format for 2 numeric arguments (current, total)
 100 progress_step() {
 101     local IDX=$1__INDEX__
 102     local LEN=$1__LENGTH__
 103     printf "${2-[%d/%d] }" $(($IDX++)) ${!LEN}
 104 }