4 # Environment setup script.
8 # Copyright (c) 2005-2010 knut st. osmundsen <bird-kBuild-spamx@anduin.net>
10 # This file is part of kBuild.
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.
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.
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
30 # Check if we're in eval mode or not.
64 FULL_WITH_BIN_OPT
="true"
88 VAR_OPT
="${VAR_OPT} $1"
115 echo "kBuild Environment Setup Script, v0.2.0-pre"
117 echo "syntax: $0 [options] [command [args]]"
118 echo " or: $0 [options] --var <varname>"
119 echo " or: $0 [options] --eval"
120 echo " or: $0 [options] --eval --var <varname>"
122 echo "The first form will execute the command, or if no command is given start"
123 echo "an interactive shell."
124 echo "The second form will print the specfified variable(s)."
125 echo "The third form will print all exported variables suitable for bourne shell"
127 echo "The forth form will only print the specified variable(s)."
130 echo " --debug, --release, --profile"
131 echo " Alternative way of specifying KBUILD_TYPE."
132 echo " --debug-script, --no-debug-script"
133 echo " Controls debug output. Default: --no-debug-script"
134 echo " --quiet, --verbose"
135 echo " Controls informational output. Default: --verbose"
136 echo " --full, --full-with-bin, --normal"
137 echo " Controls the variable set. Default: --normal"
138 echo " --legacy, --no-legacy"
139 echo " Include legacy variables in result. Default: --no-legacy"
140 echo " --value-only, --name-and-value"
141 echo " Controls what the result of a --var query. Default: --name-and-value"
142 echo " --set, --export"
143 echo " Whether --eval explicitly export the variables. --set is useful for"
144 echo " getting a list of environment vars for a commandline, while --eval"
145 echo ' is useful for eval `env.sh`. Default: --export'
158 # Deal with legacy environment variables.
160 if test -n "$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}
166 KBUILD_PATH
=$PATH_KBUILD
168 if test -n "$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}
174 KBUILD_BIN_PATH
=$PATH_KBUILD_BIN
177 if test -n "$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}
183 KBUILD_TYPE
=$BUILD_TYPE
186 if test -n "$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}
192 KBUILD_HOST
=$BUILD_PLATFORM
194 if test -n "$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}
200 KBUILD_HOST_ARCH
=$BUILD_PLATFORM_ARCH
202 if test -n "$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}
208 KBUILD_HOST_CPU
=$BUILD_PLATFORM_CPU
211 if test -n "$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}
217 KBUILD_TARGET
=$BUILD_TARGET
219 if test -n "$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}
225 KBUILD_TARGET_ARCH
=$BUILD_TARGET_ARCH
227 if test -n "$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}
233 KBUILD_TARGET_CPU
=$BUILD_TARGET_CPU
238 # Set default build type.
240 if test -z "$KBUILD_TYPE"; then
243 test -n "$DBG_OPT" && echo "dbg: KBUILD_TYPE=$KBUILD_TYPE" 1>&${DBG_REDIR}
246 # Determin the host platform.
248 # The CPU isn't important, only the other two are. But, since the cpu,
249 # arch and platform (and build type) share a common key space, try make
250 # sure any new additions are unique. (See header.kmk, KBUILD_OSES/ARCHES.)
252 if test -z "$KBUILD_HOST"; then
254 case "$KBUILD_HOST" in
260 KBUILD_HOST
=dragonfly
263 freebsd|FreeBSD|FREEBSD
)
275 GNU
/kNetBSD|GNU
/NetBSD
)
283 linux|Linux|GNU
/Linux|LINUX
)
287 netbsd|NetBSD|NETBSD
)
291 openbsd|OpenBSD|OPENBSD
)
303 WindowsNT|CYGWIN_NT-
*)
308 echo "$0: unknown os $KBUILD_HOST" 1>&${ERR_REDIR}
314 test -n "$DBG_OPT" && echo "dbg: KBUILD_HOST=$KBUILD_HOST" 1>&${DBG_REDIR}
316 if test -z "$KBUILD_HOST_ARCH"; then
317 # Try deduce it from the cpu if given.
318 if test -n "$KBUILD_HOST_CPU"; then
319 case "$KBUILD_HOST_CPU" in
321 KBUILD_HOST_ARCH
='x86'
324 KBUILD_HOST_ARCH
='amd64'
329 if test -z "$KBUILD_HOST_ARCH"; then
330 # Use uname -m or isainfo (lots of guesses here, please help clean this up...)
331 if test "$KBUILD_HOST" = "solaris"; then
332 KBUILD_HOST_ARCH
=`isainfo | cut -f 1 -d ' '`
335 KBUILD_HOST_ARCH
=`uname -m`
337 case "$KBUILD_HOST_ARCH" in
338 x86_64|AMD64|amd64|k8|k8l|k9|k10
)
339 KBUILD_HOST_ARCH
='amd64'
340 # Try detect debian x32.
341 if test "$KBUILD_HOST" = "linux"; then
342 if test -z "${DEB_HOST_ARCH}"; then
343 DEB_HOST_ARCH
=`dpkg-architecture -qDEB_HOST_ARCH 2> /dev/null`;
344 if test -z "${DEB_HOST_ARCH}"; then
345 DEB_HOST_ARCH
=`dpkg --print-architecture 2> /dev/null`;
348 case "${DEB_HOST_ARCH}" in
352 "") case "`uname -v`" in
353 *Debian
*+x32
+*) KBUILD_HOST_ARCH
=x32
;;
359 x86|i86pc|ia32|i
[3456789]86|BePC|i
[3456789]86-AT[3456789]86)
360 KBUILD_HOST_ARCH
='x86'
363 KBUILD_HOST_ARCH
='alpha'
365 aarch32|arm|arm1|arm2|arm3|arm6|armv1|armv2|armv3
*|armv4
*|armv5
*|armv6
*|armv7
*|armv8
*)
366 KBUILD_HOST_ARCH
='arm32'
368 aarch64
*|arm64
) # (Apple M1 is arm64.)
369 KBUILD_HOST_ARCH
='arm64'
371 hppa32|parisc32|parisc
)
372 KBUILD_HOST_ARCH
='hppa32'
375 KBUILD_HOST_ARCH
='hppa64'
378 KBUILD_HOST_ARCH
='ia64'
381 KBUILD_HOST_ARCH
='loongarch64'
384 KBUILD_HOST_ARCH
='m68k'
387 KBUILD_HOST_ARCH
='mips32'
390 KBUILD_HOST_ARCH
='mips64'
393 KBUILD_HOST_ARCH
='ppc32'
395 ppc64|ppc64le|powerpc64|powerpc64le
)
396 KBUILD_HOST_ARCH
='ppc64'
399 KBUILD_HOST_ARCH
='riscv64'
402 KBUILD_HOST_ARCH
='riscv32'
405 KBUILD_HOST_ARCH
='s390'
408 KBUILD_HOST_ARCH
='s390x'
410 sh|sh2|sh2a|sh3|sh3|sh4|sh4a|sh4al|sh4al-dsp|shmedia
)
411 KBUILD_HOST_ARCH
='sh32'
414 KBUILD_HOST_ARCH
='sh64'
416 sparc32|sparc|sparcv8|sparcv7|sparcv8e
)
417 KBUILD_HOST_ARCH
='sparc32'
420 KBUILD_HOST_ARCH
='sparc64'
423 *) echo "$0: unknown cpu/arch - $KBUILD_HOST_ARCH" 1>&${ERR_REDIR}
430 test -n "$DBG_OPT" && echo "dbg: KBUILD_HOST_ARCH=$KBUILD_HOST_ARCH" 1>&${DBG_REDIR}
432 if test -z "$KBUILD_HOST_CPU"; then
433 KBUILD_HOST_CPU
="blend"
435 test -n "$DBG_OPT" && echo "dbg: KBUILD_HOST_CPU=$KBUILD_HOST_CPU" 1>&${DBG_REDIR}
438 # The target platform.
439 # Defaults to the host when not specified.
441 if test -z "$KBUILD_TARGET"; then
442 KBUILD_TARGET
="$KBUILD_HOST"
444 test -n "$DBG_OPT" && echo "dbg: KBUILD_TARGET=$KBUILD_TARGET" 1>&${DBG_REDIR}
446 if test -z "$KBUILD_TARGET_ARCH"; then
447 KBUILD_TARGET_ARCH
="$KBUILD_HOST_ARCH"
449 test -n "$DBG_OPT" && echo "dbg: KBUILD_TARGET_ARCH=$KBUILD_TARGET_ARCH" 1>&${DBG_REDIR}
451 if test -z "$KBUILD_TARGET_CPU"; then
452 if test "$KBUILD_TARGET_ARCH" = "$KBUILD_HOST_ARCH"; then
453 KBUILD_TARGET_CPU
="$KBUILD_HOST_CPU"
455 KBUILD_TARGET_CPU
="blend"
458 test -n "$DBG_OPT" && echo "dbg: KBUILD_TARGET_CPU=$KBUILD_TARGET_CPU" 1>&${DBG_REDIR}
461 # Determin executable extension and path separator.
465 case "$KBUILD_HOST" in
473 # Determin KBUILD_PATH from the script location and calc KBUILD_BIN_PATH from there.
475 if test -z "$KBUILD_PATH"; then
476 KBUILD_PATH
=`dirname "$0"`
477 KBUILD_PATH
=`cd "$KBUILD_PATH" ; /bin/pwd`
479 if test ! -f "$KBUILD_PATH/footer.kmk" -o ! -f "$KBUILD_PATH/header.kmk" -o ! -f "$KBUILD_PATH/rules.kmk"; then
480 echo "$0: error: KBUILD_PATH ($KBUILD_PATH) is not pointing to a popluated kBuild directory." 1>&${ERR_REDIR}
484 test -n "$DBG_OPT" && echo "dbg: KBUILD_PATH=$KBUILD_PATH" 1>&${DBG_REDIR}
486 if test -z "$KBUILD_BIN_PATH"; then
487 KBUILD_BIN_PATH
="${KBUILD_PATH}/bin/${KBUILD_HOST}.${KBUILD_HOST_ARCH}"
489 test -n "$DBG_OPT" && echo "dbg: KBUILD_BIN_PATH=${KBUILD_BIN_PATH}" 1>&${DBG_REDIR}
492 # Add the bin/x.y/ directory to the PATH.
493 # NOTE! Once bootstrapped this is the only thing that is actually necessary.
495 PATH
="${KBUILD_BIN_PATH}${_PATH_SEP}$PATH"
496 test -n "$DBG_OPT" && echo "dbg: PATH=$PATH" 1>&${DBG_REDIR}
501 if test ! -d "${KBUILD_BIN_PATH}/"; then
502 echo "$0: warning: The bin directory for this platform doesn't exist. (${KBUILD_BIN_PATH}/)" 1>&${ERR_REDIR}
504 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
;
506 chmod a
+x
${KBUILD_BIN_PATH}/${prog} > /dev
/null
2>&1
507 if test ! -f "${KBUILD_BIN_PATH}/${prog}${_SUFF_EXE}"; then
508 echo "$0: warning: The ${prog} program doesn't exist for this platform. (${KBUILD_BIN_PATH}/${prog}${_SUFF_EXE})" 1>&${ERR_REDIR}
514 # The environment is in place, now take the requested action.
517 if test -n "${VAR_OPT}"; then
518 # Echo variable values or variable export statements.
519 for var in ${VAR_OPT};
536 val=$KBUILD_HOST_ARCH
545 val=$KBUILD_TARGET_ARCH
548 val=$KBUILD_TARGET_CPU
554 echo "$0: error
: Unknown variable
$var specified
in --var request.
" 1>&${ERR_REDIR}
560 if test -n "$EVAL_OPT"; then
561 echo "${EVAL_EXPORT} $var=$val"
563 if test -n "$VALUE_ONLY_OPT"; then
571 if test -n "$EVAL_OPT"; then
572 # Echo statements for the shell to evaluate.
573 test -n "$DBG_OPT" && echo "dbg
: echoing exported variables
" 1>&${DBG_REDIR}
574 echo "${EVAL_EXPORT} PATH
=${PATH}"
575 test -n "${FULL_OPT}" -o "${EXP_TYPE_OPT}" && echo "${EVAL_EXPORT} KBUILD_TYPE=${KBUILD_TYPE}"
576 if test -n "${FULL_OPT}"; then
577 echo "${EVAL_EXPORT} KBUILD_PATH
=${KBUILD_PATH}"
578 if test -n "{FULL_WITH_BIN_OPT
}"; then
579 echo "${EVAL_EXPORT} KBUILD_BIN_PATH
=${KBUILD_BIN_PATH}"
581 echo "${EVAL_EXPORT} KBUILD_HOST
=${KBUILD_HOST}"
582 echo "${EVAL_EXPORT} KBUILD_HOST_ARCH
=${KBUILD_HOST_ARCH}"
583 echo "${EVAL_EXPORT} KBUILD_HOST_CPU
=${KBUILD_HOST_CPU}"
584 echo "${EVAL_EXPORT} KBUILD_TARGET
=${KBUILD_TARGET}"
585 echo "${EVAL_EXPORT} KBUILD_TARGET_ARCH
=${KBUILD_TARGET_ARCH}"
586 echo "${EVAL_EXPORT} KBUILD_TARGET_CPU
=${KBUILD_TARGET_CPU}"
588 if test -n "${LEGACY_OPT}"; then
589 echo "${EVAL_EXPORT} PATH_KBUILD
=${KBUILD_PATH}"
590 if test -n "${FULL_WITH_BIN_OPT}"; then
591 echo "${EVAL_EXPORT} PATH_KBUILD_BIN
=${KBUILD_PATH_BIN}"
593 echo "${EVAL_EXPORT} BUILD_TYPE
=${KBUILD_TYPE}"
594 echo "${EVAL_EXPORT} BUILD_PLATFORM
=${KBUILD_HOST}"
595 echo "${EVAL_EXPORT} BUILD_PLATFORM_ARCH
=${KBUILD_HOST_ARCH}"
596 echo "${EVAL_EXPORT} BUILD_PLATFORM_CPU
=${KBUILD_HOST_CPU}"
597 echo "${EVAL_EXPORT} BUILD_TARGET
=${KBUILD_TARGET}"
598 echo "${EVAL_EXPORT} BUILD_TARGET_ARCH
=${KBUILD_TARGET_ARCH}"
599 echo "${EVAL_EXPORT} BUILD_TARGET_CPU
=${KBUILD_TARGET_CPU}"
605 test -n "${FULL_OPT}" -o "${EXP_TYPE_OPT}" && export KBUILD_TYPE
606 if test -n "${FULL_OPT}"; then
608 if test -n "${FULL_WITH_BIN_OPT}"; then
609 export KBUILD_BIN_PATH
612 export KBUILD_HOST_ARCH
613 export KBUILD_HOST_CPU
615 export KBUILD_TARGET_ARCH
616 export KBUILD_TARGET_CPU
618 if test -n "${LEGACY_OPT}"; then
619 export PATH_KBUILD=$KBUILD_PATH
620 if test -n "${FULL_WITH_BIN_OPT}"; then
621 export PATH_KBUILD_BIN=$KBUILD_BIN_PATH
623 export BUILD_TYPE=$KBUILD_TYPE
624 export BUILD_PLATFORM=$KBUILD_HOST
625 export BUILD_PLATFORM_ARCH=$KBUILD_HOST_ARCH
626 export BUILD_PLATFORM_CPU=$KBUILD_HOST_CPU
627 export BUILD_TARGET=$KBUILD_TARGET
628 export BUILD_TARGET_ARCH=$KBUILD_TARGET_ARCH
629 export BUILD_TARGET_CPU=$KBUILD_TARGET_CPU
633 # Execute command or spawn shell.
634 if test $# -eq 0; then
635 test -z "${QUIET_OPT}" && echo "$0: info
: Spawning work shell...
" 1>&${ERR_REDIR}
636 if test "$TERM" != 'dumb' -a -n "$BASH"; then
637 export PS1='\[\033[01;32m\]\u@\h \[\033[01;34m\]\W \$ \[\033[00m\]'
642 test -z "${QUIET_OPT}" && echo "$0: info
: Executing
command: $
*" 1>&${ERR_REDIR}
645 test -z "${QUIET_OPT}" -a "$MY_RC" -ne 0 && echo "$0: info
: rc
=$MY_RC: $
*" 1>&${ERR_REDIR}
649 test -n "$DBG_OPT" && echo "dbg
: finished
(rc
=$MY_RC)" 1>&${DBG_REDIR}