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