kBuild/env.sh

   1 #!/bin/sh
   2 # $Id$
   3 ## @file
   4 # Environment setup script.
   5 #
   6
   7 #
   8 # Copyright (c) 2005-2008 knut st. osmundsen <bird-kBuild-spam@anduin.net>
   9 #
  10 # This file is part of kBuild.
  11 #
  12 # kBuild is free software; you can redistribute it and/or modify
  13 # it under the terms of the GNU General Public License as published by
  14 # the Free Software Foundation; either version 2 of the License, or
  15 # (at your option) any later version.
  16 #
  17 # kBuild is distributed in the hope that it will be useful,
  18 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  19 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  20 # GNU General Public License for more details.
  21 #
  22 # You should have received a copy of the GNU General Public License
  23 # along with kBuild; if not, write to the Free Software
  24 # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  25 #
  26 #
  27 #set -x
  28
  29 #
  30 # Check if we're in eval mode or not.
  31 #
  32 ERR_REDIR=1
  33 DBG_REDIR=1
  34 EVAL_OPT=
  35 EVAL_EXPORT="export "
  36 DBG_OPT=
  37 QUIET_OPT=
  38 FULL_OPT=
  39 FULL_WITH_BIN_OPT=
  40 LEGACY_OPT=
  41 VAR_OPT=
  42 VALUE_ONLY_OPT=
  43 EXP_TYPE_OPT=
  44 while test $# -gt 0;
  45 do
  46     case "$1" in
  47         "--debug-script")
  48             DBG_OPT="true"
  49             ;;
  50         "--no-debug-script")
  51             DBG_OPT=
  52             ;;
  53         "--quiet")
  54             QUIET_OPT="true"
  55             ;;
  56         "--verbose")
  57             QUIET_OPT=
  58             ;;
  59         "--full")
  60             FULL_OPT="true"
  61             ;;
  62         "--full-with-bin")
  63             FULL_OPT="true"
  64             FULL_WITH_BIN_OPT="true"
  65             ;;
  66         "--normal")
  67             FULL_OPT=
  68             ;;
  69         "--legacy")
  70             LEGACY_OPT="true"
  71             ;;
  72         "--no-legacy")
  73             LEGACY_OPT=
  74             ;;
  75         "--eval")
  76             EVAL_OPT="true"
  77             ERR_REDIR=2
  78             DBG_REDIR=2
  79             ;;
  80         "--set")
  81             EVAL_OPT="true"
  82             EVAL_EXPORT=""
  83             ERR_REDIR=2
  84             DBG_REDIR=2
  85             ;;
  86         "--var")
  87             shift
  88             VAR_OPT="${VAR_OPT} $1"
  89             ERR_REDIR=2
  90             DBG_REDIR=2
  91             ;;
  92         "--value-only")
  93             VALUE_ONLY_OPT="true"
  94             ;;
  95         "--name-and-value")
  96             VALUE_ONLY_OPT=
  97             ;;
  98         "--release")
  99             EXP_TYPE_OPT=1
 100             KBUILD_TYPE=release
 101             BUILD_TYPE=
 102             ;;
 103         "--debug")
 104             EXP_TYPE_OPT=1
 105             KBUILD_TYPE=debug
 106             BUILD_TYPE=
 107             ;;
 108         "--profile")
 109             EXP_TYPE_OPT=1
 110             KBUILD_TYPE=profile
 111             BUILD_TYPE=
 112             ;;
 113
 114         "--help")
 115             echo "kBuild Environment Setup Script, v0.1.4"
 116             echo ""
 117             echo "syntax: $0 [options] [command [args]]"
 118             echo "    or: $0 [options] --var <varname>"
 119             echo "    or: $0 [options] --eval"
 120             echo "    or: $0 [options] --eval --var <varname>"
 121             echo ""
 122             echo "The first form will execute the command, or if no command is given start"
 123             echo "an interactive shell."
 124             echo "The second form will print the specfified variable(s)."
 125             echo "The third form will print all exported variables suitable for bourne shell"
 126             echo "evalutation."
 127             echo "The forth form will only print the specified variable(s)."
 128             echo ""
 129             echo "Options:"
 130             echo "  --debug, --release, --profile"
 131             echo "      Alternative way of specifying KBUILD_TYPE."
 132             echo "  --debug-script, --no-debug-script"
 133             echo "      Controls debug output. Default: --no-debug-script"
 134             echo "  --quiet, --verbose"
 135             echo "      Controls informational output. Default: --verbose"
 136             echo "  --full, --full-with-bin, --normal"
 137             echo "      Controls the variable set. Default: --normal"
 138             echo "  --legacy, --no-legacy"
 139             echo "      Include legacy variables in result. Default: --no-legacy"
 140             echo "  --value-only, --name-and-value"
 141             echo "      Controls what the result of a --var query. Default: --name-and-value"
 142             echo "  --set, --export"
 143             echo "      Whether --eval explicitly export the variables. --set is useful for"
 144             echo "      getting a list of environment vars for a commandline, while --eval"
 145             echo "      is useful for eval `env.sh`. Default: --export"
 146             echo ""
 147             exit 1
 148             ;;
 149         *)
 150             break
 151             ;;
 152     esac
 153     shift
 154 done
 155
 156
 157 #
 158 # Deal with legacy environment variables.
 159 #
 160 if test -n "$PATH_KBUILD"; then
 161     if test -n "$KBUILD_PATH"  -a  "$KBUILD_PATH" != "$PATH_KBUILD"; then
 162         echo "$0: error: KBUILD_PATH ($KBUILD_PATH) and PATH_KBUILD ($PATH_KBUILD) disagree." 1>&${ERR_REDIR}
 163         sleep 1
 164         exit 1
 165     fi
 166     KBUILD_PATH=$PATH_KBUILD
 167 fi
 168 if test -n "$PATH_KBUILD_BIN"; then
 169     if test -n "$KBUILD_BIN_PATH"  -a  "$KBUILD_BIN_PATH" != "$PATH_KBUILD_BIN"; then
 170         echo "$0: error: KBUILD_BIN_PATH ($KBUILD_BIN_PATH) and PATH_KBUILD_BIN ($PATH_KBUILD_BIN) disagree." 1>&${ERR_REDIR}
 171         sleep 1
 172         exit 1
 173     fi
 174     KBUILD_BIN_PATH=$PATH_KBUILD_BIN
 175 fi
 176
 177 if test -n "$BUILD_TYPE"; then
 178     if test -n "$KBUILD_TYPE"  -a  "$KBUILD_TYPE" != "$BUILD_TYPE"; then
 179         echo "$0: error: KBUILD_TYPE ($KBUILD_TYPE) and BUILD_TYPE ($BUILD_TYPE) disagree." 1>&${ERR_REDIR}
 180         sleep 1
 181         exit 1
 182     fi
 183     KBUILD_TYPE=$BUILD_TYPE
 184 fi
 185
 186 if test -n "$BUILD_PLATFORM"; then
 187     if test -n "$KBUILD_HOST"  -a  "$KBUILD_HOST" != "$BUILD_PLATFORM"; then
 188         echo "$0: error: KBUILD_HOST ($KBUILD_HOST) and BUILD_PLATFORM ($BUILD_PLATFORM) disagree." 1>&${ERR_REDIR}
 189         sleep 1
 190         exit 1
 191     fi
 192     KBUILD_HOST=$BUILD_PLATFORM
 193 fi
 194 if test -n "$BUILD_PLATFORM_ARCH"; then
 195     if test -n "$KBUILD_HOST_ARCH"  -a  "$KBUILD_HOST_ARCH" != "$BUILD_PLATFORM_ARCH"; then
 196         echo "$0: error: KBUILD_HOST_ARCH ($KBUILD_HOST_ARCH) and BUILD_PLATFORM_ARCH ($BUILD_PLATFORM_ARCH) disagree." 1>&${ERR_REDIR}
 197         sleep 1
 198         exit 1
 199     fi
 200     KBUILD_HOST_ARCH=$BUILD_PLATFORM_ARCH
 201 fi
 202 if test -n "$BUILD_PLATFORM_CPU"; then
 203     if test -n "$KBUILD_HOST_CPU"  -a  "$KBUILD_HOST_CPU" != "$BUILD_PLATFORM_CPU"; then
 204         echo "$0: error: KBUILD_HOST_CPU ($KBUILD_HOST_CPU) and BUILD_PLATFORM_CPU ($BUILD_PLATFORM_CPU) disagree." 1>&${ERR_REDIR}
 205         sleep 1
 206         exit 1
 207     fi
 208     KBUILD_HOST_CPU=$BUILD_PLATFORM_CPU
 209 fi
 210
 211 if test -n "$BUILD_TARGET"; then
 212     if test -n "$KBUILD_TARGET"  -a  "$KBUILD_TARGET" != "$BUILD_TARGET"; then
 213         echo "$0: error: KBUILD_TARGET ($KBUILD_TARGET) and BUILD_TARGET ($BUILD_TARGET) disagree." 1>&${ERR_REDIR}
 214         sleep 1
 215         exit 1
 216     fi
 217     KBUILD_TARGET=$BUILD_TARGET
 218 fi
 219 if test -n "$BUILD_TARGET_ARCH"; then
 220     if test -n "$KBUILD_TARGET_ARCH"  -a  "$KBUILD_TARGET_ARCH" != "$BUILD_TARGET_ARCH"; then
 221         echo "$0: error: KBUILD_TARGET_ARCH ($KBUILD_TARGET_ARCH) and BUILD_TARGET_ARCH ($BUILD_TARGET_ARCH) disagree." 1>&${ERR_REDIR}
 222         sleep 1
 223         exit 1
 224     fi
 225     KBUILD_TARGET_ARCH=$BUILD_TARGET_ARCH
 226 fi
 227 if test -n "$BUILD_TARGET_CPU"; then
 228     if test -n "$KBUILD_TARGET_CPU"  -a  "$KBUILD_TARGET_CPU" != "$BUILD_TARGET_CPU"; then
 229         echo "$0: error: KBUILD_TARGET_CPU ($KBUILD_TARGET_CPU) and BUILD_TARGET_CPU ($BUILD_TARGET_CPU) disagree." 1>&${ERR_REDIR}
 230         sleep 1
 231         exit 1
 232     fi
 233     KBUILD_TARGET_CPU=$BUILD_TARGET_CPU
 234 fi
 235
 236
 237 #
 238 # Set default build type.
 239 #
 240 if test -z "$KBUILD_TYPE"; then
 241     KBUILD_TYPE=release
 242 fi
 243 test -n "$DBG_OPT" && echo "dbg: KBUILD_TYPE=$KBUILD_TYPE" 1>&${DBG_REDIR}
 244
 245 #
 246 # Determin the host platform.
 247 #
 248 # The CPU isn't important, only the other two are.  But, since the cpu,
 249 # arch and platform (and build type) share a common key space, try make
 250 # sure any new additions are unique. (See header.kmk, KBUILD_OSES/ARCHES.)
 251 #
 252 if test -z "$KBUILD_HOST"; then
 253     KBUILD_HOST=`uname`
 254     case "$KBUILD_HOST" in
 255         Darwin|darwin)
 256             KBUILD_HOST=darwin
 257             ;;
 258
 259         DragonFly)
 260             KBUILD_HOST=dragonfly
 261             ;;
 262
 263         freebsd|FreeBSD|FREEBSD)
 264             KBUILD_HOST=freebsd
 265             ;;
 266
 267         linux|Linux|GNU/Linux|LINUX)
 268             KBUILD_HOST=linux
 269             ;;
 270
 271         netbsd|NetBSD|NETBSD)
 272             KBUILD_HOST=netbsd
 273             ;;
 274
 275         openbsd|OpenBSD|OPENBSD)
 276             KBUILD_HOST=openbsd
 277             ;;
 278
 279         os2|OS/2|OS2)
 280             KBUILD_HOST=os2
 281             ;;
 282
 283         SunOS)
 284             KBUILD_HOST=solaris
 285             ;;
 286
 287         WindowsNT|CYGWIN_NT-*)
 288             KBUILD_HOST=win
 289             ;;
 290
 291         *)
 292             echo "$0: unknown os $KBUILD_HOST" 1>&${ERR_REDIR}
 293             sleep 1
 294             exit 1
 295             ;;
 296     esac
 297 fi
 298 test -n "$DBG_OPT" && echo "dbg: KBUILD_HOST=$KBUILD_HOST" 1>&${DBG_REDIR}
 299
 300 if test -z "$KBUILD_HOST_ARCH"; then
 301     # Try deduce it from the cpu if given.
 302     if test -n "$KBUILD_HOST_CPU"; then
 303         case "$KBUILD_HOST_CPU" in
 304             i[3456789]86)
 305                 KBUILD_HOST_ARCH='x86'
 306                 ;;
 307             k8|k8l|k9|k10)
 308                 KBUILD_HOST_ARCH='amd64'
 309                 ;;
 310         esac
 311     fi
 312 fi
 313 if test -z "$KBUILD_HOST_ARCH"; then
 314     # Use uname -m or isainfo (lots of guesses here, please help clean this up...)
 315     if test "$KBUILD_HOST" = "solaris"; then
 316         KBUILD_HOST_ARCH=`isainfo | cut -f 1 -d ' '`
 317
 318     else
 319         KBUILD_HOST_ARCH=`uname -m`
 320     fi
 321     case "$KBUILD_HOST_ARCH" in
 322         x86_64|AMD64|amd64|k8|k8l|k9|k10)
 323             KBUILD_HOST_ARCH='amd64'
 324             ;;
 325         x86|i86pc|ia32|i[3456789]86)
 326             KBUILD_HOST_ARCH='x86'
 327             ;;
 328         sparc32|sparc|sparcv8|sparcv7|sparcv8e)
 329             KBUILD_HOST_ARCH='sparc32'
 330             ;;
 331         sparc64|sparcv9)
 332             KBUILD_HOST_ARCH='sparc64'
 333             ;;
 334         s390)
 335             KBUILD_HOST_ARCH='s390'
 336             ;;
 337         s390x)
 338             KBUILD_HOST_ARCH='s390x'
 339             ;;
 340         ppc32|ppc|powerpc)
 341             KBUILD_HOST_ARCH='ppc32'
 342             ;;
 343         ppc64|powerpc64)
 344             KBUILD_HOST_ARCH='ppc64'
 345             ;;
 346         mips32|mips)
 347             KBUILD_HOST_ARCH='mips32'
 348             ;;
 349         mips64)
 350             KBUILD_HOST_ARCH='mips64'
 351             ;;
 352         ia64)
 353             KBUILD_HOST_ARCH='ia64'
 354             ;;
 355         hppa32|parisc32|parisc)
 356             KBUILD_HOST_ARCH='hppa32'
 357             ;;
 358         hppa64|parisc64)
 359             KBUILD_HOST_ARCH='hppa64'
 360             ;;
 361         arm|armv4l|armv5tel|armv5tejl)
 362             KBUILD_HOST_ARCH='arm'
 363             ;;
 364         alpha)
 365             KBUILD_HOST_ARCH='alpha'
 366             ;;
 367
 368         *)  echo "$0: unknown cpu/arch - $KBUILD_HOST_ARCH" 1>&${ERR_REDIR}
 369             sleep 1
 370             exit 1
 371             ;;
 372     esac
 373
 374 fi
 375 test -n "$DBG_OPT" && echo "dbg: KBUILD_HOST_ARCH=$KBUILD_HOST_ARCH" 1>&${DBG_REDIR}
 376
 377 if test -z "$KBUILD_HOST_CPU"; then
 378     KBUILD_HOST_CPU="blend"
 379 fi
 380 test -n "$DBG_OPT" && echo "dbg: KBUILD_HOST_CPU=$KBUILD_HOST_CPU" 1>&${DBG_REDIR}
 381
 382 #
 383 # The target platform.
 384 # Defaults to the host when not specified.
 385 #
 386 if test -z "$KBUILD_TARGET"; then
 387     KBUILD_TARGET="$KBUILD_HOST"
 388 fi
 389 test -n "$DBG_OPT" && echo "dbg: KBUILD_TARGET=$KBUILD_TARGET" 1>&${DBG_REDIR}
 390
 391 if test -z "$KBUILD_TARGET_ARCH"; then
 392     KBUILD_TARGET_ARCH="$KBUILD_HOST_ARCH"
 393 fi
 394 test -n "$DBG_OPT" && echo "dbg: KBUILD_TARGET_ARCH=$KBUILD_TARGET_ARCH" 1>&${DBG_REDIR}
 395
 396 if test -z "$KBUILD_TARGET_CPU"; then
 397     if test "$KBUILD_TARGET_ARCH" = "$KBUILD_HOST_ARCH"; then
 398         KBUILD_TARGET_CPU="$KBUILD_HOST_CPU"
 399     else
 400         KBUILD_TARGET_CPU="blend"
 401     fi
 402 fi
 403 test -n "$DBG_OPT" && echo "dbg: KBUILD_TARGET_CPU=$KBUILD_TARGET_CPU" 1>&${DBG_REDIR}
 404
 405 #
 406 # Determin executable extension and path separator.
 407 #
 408 _SUFF_EXE=
 409 _PATH_SEP=":"
 410 case "$KBUILD_HOST" in
 411     os2|win|nt)
 412         _SUFF_EXE=".exe"
 413         _PATH_SEP=";"
 414         ;;
 415 esac
 416
 417 #
 418 # Determin KBUILD_PATH from the script location and calc KBUILD_BIN_PATH from there.
 419 #
 420 if test -z "$KBUILD_PATH"; then
 421     KBUILD_PATH=`dirname "$0"`
 422     KBUILD_PATH=`cd "$KBUILD_PATH" ; /bin/pwd`
 423 fi
 424 if test ! -f "$KBUILD_PATH/footer.kmk" -o ! -f "$KBUILD_PATH/header.kmk" -o ! -f "$KBUILD_PATH/rules.kmk"; then
 425     echo "$0: error: KBUILD_PATH ($KBUILD_PATH) is not pointing to a popluated kBuild directory." 1>&${ERR_REDIR}
 426     sleep 1
 427     exit 1
 428 fi
 429 test -n "$DBG_OPT" && echo "dbg: KBUILD_PATH=$KBUILD_PATH" 1>&${DBG_REDIR}
 430
 431 if test -z "$KBUILD_BIN_PATH"; then
 432     KBUILD_BIN_PATH="${KBUILD_PATH}/bin/${KBUILD_HOST}.${KBUILD_HOST_ARCH}"
 433 fi
 434 test -n "$DBG_OPT" && echo "dbg: KBUILD_BIN_PATH=${KBUILD_BIN_PATH}" 1>&${DBG_REDIR}
 435
 436 #
 437 # Add the bin/x.y/ directory to the PATH.
 438 # NOTE! Once bootstrapped this is the only thing that is actually necessary.
 439 #
 440 PATH="${KBUILD_BIN_PATH}${_PATH_SEP}$PATH"
 441 test -n "$DBG_OPT" && echo "dbg: PATH=$PATH" 1>&${DBG_REDIR}
 442
 443 #
 444 # Sanity and x bits.
 445 #
 446 if test ! -d "${KBUILD_BIN_PATH}/"; then
 447     echo "$0: warning: The bin directory for this platform doesn't exist. (${KBUILD_BIN_PATH}/)" 1>&${ERR_REDIR}
 448 else
 449     for prog in kmk kDepPre kDepIDB kmk_append kmk_ash kmk_cat kmk_cp kmk_echo kmk_install kmk_ln kmk_mkdir kmk_mv kmk_rm kmk_rmdir kmk_sed;
 450     do
 451         chmod a+x ${KBUILD_BIN_PATH}/${prog} > /dev/null 2>&1
 452         if test ! -f "${KBUILD_BIN_PATH}/${prog}${_SUFF_EXE}"; then
 453             echo "$0: warning: The ${prog} program doesn't exist for this platform. (${KBUILD_BIN_PATH}/${prog}${_SUFF_EXE})" 1>&${ERR_REDIR}
 454         fi
 455     done
 456 fi
 457
 458 #
 459 # The environment is in place, now take the requested action.
 460 #
 461 MY_RC=0
 462 if test -n "${VAR_OPT}"; then
 463     # Echo variable values or variable export statements.
 464     for var in ${VAR_OPT};
 465     do
 466         val=
 467         case "$var" in
 468             PATH)
 469                 val=$PATH
 470                 ;;
 471             KBUILD_PATH)
 472                 val=$KBUILD_PATH
 473                 ;;
 474             KBUILD_BIN_PATH)
 475                 val=$KBUILD_BIN_PATH
 476                 ;;
 477             KBUILD_HOST)
 478                 val=$KBUILD_HOST
 479                 ;;
 480             KBUILD_HOST_ARCH)
 481                 val=$KBUILD_HOST_ARCH
 482                 ;;
 483             KBUILD_HOST_CPU)
 484                 val=$KBUILD_HOST_CPU
 485                 ;;
 486             KBUILD_TARGET)
 487                 val=$KBUILD_TARGET
 488                 ;;
 489             KBUILD_TARGET_ARCH)
 490                 val=$KBUILD_TARGET_ARCH
 491                 ;;
 492             KBUILD_TARGET_CPU)
 493                 val=$KBUILD_TARGET_CPU
 494                 ;;
 495             KBUILD_TYPE)
 496                 val=$KBUILD_TYPE
 497                 ;;
 498             *)
 499                 echo "$0: error: Unknown variable $var specified in --var request." 1>&${ERR_REDIR}
 500                 sleep 1
 501                 exit 1
 502                 ;;
 503         esac
 504
 505         if test -n "$EVAL_OPT"; then
 506             echo "${EVAL_EXPORT} $var=$val"
 507         else
 508             if test -n "$VALUE_ONLY_OPT"; then
 509                 echo "$val"
 510             else
 511                 echo "$var=$val"
 512             fi
 513         fi
 514     done
 515 else
 516     if test -n "$EVAL_OPT"; then
 517         # Echo statements for the shell to evaluate.
 518         test -n "$DBG_OPT" && echo "dbg: echoing exported variables" 1>&${DBG_REDIR}
 519         echo "${EVAL_EXPORT} PATH=${PATH}"
 520         test -n "${FULL_OPT}" -o "${EXP_TYPE_OPT}" && echo "${EVAL_EXPORT} KBUILD_TYPE=${KBUILD_TYPE}"
 521         if test -n "${FULL_OPT}"; then
 522             echo "${EVAL_EXPORT} KBUILD_PATH=${KBUILD_PATH}"
 523             if test -n "{FULL_WITH_BIN_OPT}"; then
 524                 echo "${EVAL_EXPORT} KBUILD_BIN_PATH=${KBUILD_BIN_PATH}"
 525             fi
 526             echo "${EVAL_EXPORT} KBUILD_HOST=${KBUILD_HOST}"
 527             echo "${EVAL_EXPORT} KBUILD_HOST_ARCH=${KBUILD_HOST_ARCH}"
 528             echo "${EVAL_EXPORT} KBUILD_HOST_CPU=${KBUILD_HOST_CPU}"
 529             echo "${EVAL_EXPORT} KBUILD_TARGET=${KBUILD_TARGET}"
 530             echo "${EVAL_EXPORT} KBUILD_TARGET_ARCH=${KBUILD_TARGET_ARCH}"
 531             echo "${EVAL_EXPORT} KBUILD_TARGET_CPU=${KBUILD_TARGET_CPU}"
 532
 533             if test -n "${LEGACY_OPT}"; then
 534                 echo "${EVAL_EXPORT} PATH_KBUILD=${KBUILD_PATH}"
 535                 if test -n "${FULL_WITH_BIN_OPT}"; then
 536                     echo "${EVAL_EXPORT} PATH_KBUILD_BIN=${KBUILD_PATH_BIN}"
 537                 fi
 538                 echo "${EVAL_EXPORT} BUILD_TYPE=${KBUILD_TYPE}"
 539                 echo "${EVAL_EXPORT} BUILD_PLATFORM=${KBUILD_HOST}"
 540                 echo "${EVAL_EXPORT} BUILD_PLATFORM_ARCH=${KBUILD_HOST_ARCH}"
 541                 echo "${EVAL_EXPORT} BUILD_PLATFORM_CPU=${KBUILD_HOST_CPU}"
 542                 echo "${EVAL_EXPORT} BUILD_TARGET=${KBUILD_TARGET}"
 543                 echo "${EVAL_EXPORT} BUILD_TARGET_ARCH=${KBUILD_TARGET_ARCH}"
 544                 echo "${EVAL_EXPORT} BUILD_TARGET_CPU=${KBUILD_TARGET_CPU}"
 545             fi
 546         fi
 547     else
 548         # Export variables.
 549         export PATH
 550         test -n "${FULL_OPT}" -o "${EXP_TYPE_OPT}" && export KBUILD_TYPE
 551         if test -n "${FULL_OPT}"; then
 552             export KBUILD_PATH
 553             if test -n "${FULL_WITH_BIN_OPT}"; then
 554                 export KBUILD_BIN_PATH
 555             fi
 556             export KBUILD_HOST
 557             export KBUILD_HOST_ARCH
 558             export KBUILD_HOST_CPU
 559             export KBUILD_TARGET
 560             export KBUILD_TARGET_ARCH
 561             export KBUILD_TARGET_CPU
 562
 563             if test -n "${LEGACY_OPT}"; then
 564                 export PATH_KBUILD=$KBUILD_PATH
 565                 if test -n "${FULL_WITH_BIN_OPT}"; then
 566                     export PATH_KBUILD_BIN=$KBUILD_BIN_PATH
 567                 fi
 568                 export BUILD_TYPE=$KBUILD_TYPE
 569                 export BUILD_PLATFORM=$KBUILD_HOST
 570                 export BUILD_PLATFORM_ARCH=$KBUILD_HOST_ARCH
 571                 export BUILD_PLATFORM_CPU=$KBUILD_HOST_CPU
 572                 export BUILD_TARGET=$KBUILD_TARGET
 573                 export BUILD_TARGET_ARCH=$KBUILD_TARGET_ARCH
 574                 export BUILD_TARGET_CPU=$KBUILD_TARGET_CPU
 575             fi
 576         fi
 577
 578         # Execute command or spawn shell.
 579         if test $# -eq 0; then
 580             test -z "${QUIET_OPT}" && echo "$0: info: Spawning work shell..." 1>&${ERR_REDIR}
 581             if test "$TERM" != 'dumb'  -a  -n "$BASH"; then
 582                 export PS1='\[\033[01;32m\]\u@\h \[\033[01;34m\]\W \$ \[\033[00m\]'
 583             fi
 584             $SHELL -i
 585             MY_RC=$?
 586         else
 587             test -z "${QUIET_OPT}" && echo "$0: info: Executing command: $*" 1>&${ERR_REDIR}
 588             $*
 589             MY_RC=$?
 590             test -z "${QUIET_OPT}" -a "$MY_RC" -ne 0 && echo "$0: info: rc=$MY_RC: $*" 1>&${ERR_REDIR}
 591         fi
 592     fi
 593 fi
 594 test -n "$DBG_OPT" && echo "dbg: finished (rc=$MY_RC)" 1>&${DBG_REDIR}
 595 exit $MY_RC
 596