make-emerge.sh

   1 #!/bin/sh -
   2 #@ Out-of-tree compilation support, à la
   3 #@    $ cd /tmp && mkdir build && cd build &&
   4 #@       ~/src/nail.git/make-emerge.sh && make tangerine DESTDIR=.ddir
   5 # Public Domain
   6
   7 ## Upon interest see mk/make-config.sh, the source of all this!
   8
   9 # For heaven's sake auto-redirect on SunOS/Solaris
  10 if [ -z "${__MAKE_EMERGE_UP}" ] && [ -d /usr/xpg4 ]; then
  11    __MAKE_EMERGE_UP=y
  12    PATH=/usr/xpg4/bin:${PATH}
  13    SHELL=/usr/xpg4/bin/sh
  14    export __MAKE_EMERGE_UP PATH SHELL
  15    echo >&2 'SunOS/Solaris, redirecting through $SHELL=/usr/xpg4/bin/sh'
  16    exec /usr/xpg4/bin/sh "${0}" "${@}"
  17 fi
  18
  19 config_exit() {
  20    exit ${1}
  21 }
  22
  23 syno() {
  24    if [ ${#} -gt 0 ]; then
  25       echo >&2 "ERROR: ${*}"
  26       echo >&2
  27    fi
  28    echo >&2 'Synopsis: SOURCEDIR/make-emerge.sh [from within target directory]'
  29    exit 1
  30 }
  31
  32 oneslash() {
  33    </dev/null ${awk} -v X="${1}" '
  34       BEGIN{
  35          i = match(X, "/+$")
  36          if(RSTART != 0)
  37             X = substr(X, 1, RSTART - 1)
  38          X = X "/"
  39          print X
  40       }
  41    '
  42 }
  43
  44 [ ${#} -eq 0 ] || syno
  45
  46 SU_FIND_COMMAND_INCLUSION=1 . ${0%/*}/mk/su-find-command.sh
  47
  48 thecmd_testandset_fail awk awk
  49 thecmd_testandset_fail cp cp
  50 thecmd_testandset_fail dirname dirname
  51 thecmd_testandset_fail mkdir mkdir
  52 thecmd_testandset_fail pwd pwd
  53
  54 topdir=`${dirname} ${0}`
  55 if [ "${topdir}" = . ]; then
  56    msg 'This is not out of tree?!'
  57    config_exit 1
  58 fi
  59 topdir=`cd ${topdir}; oneslash "\`${pwd}\`"`
  60 blddir=`oneslash "\`${pwd}\`"`
  61 echo 'Initializing out-of-tree build.'
  62 echo 'Source directory: '"${topdir}"
  63 echo 'Build directory : '"${blddir}"
  64
  65 set -e
  66 ${mkdir} -p include/mx
  67 ${cp} "${topdir}"mx-config.h ./
  68 ${awk} -v topdir="${topdir}" -v blddir="${blddir}" '
  69    /^CWDDIR=.*$/{ print "CWDDIR=" blddir; next}
  70    /^TOPDIR=.*$/{ print "TOPDIR=" topdir; next}
  71    /^OBJDIR=.*$/{ print "OBJDIR=" blddir ".obj"; next}
  72    {print}
  73    ' < "${topdir}"makefile > ./makefile
  74 ${cp} "${topdir}"make.rc ./
  75 ${cp} "${topdir}"mime.types ./
  76 ${cp} "${topdir}"include/mx/gen-version.h include/mx/
  77 set +e
  78
  79 echo 'You should now be able to proceed as normal (e.g., "$ make all")'
  80
  81 # s-sh-mode