source: trunk/kBuild/env.sh@ 2004

Last change on this file since 2004 was 1731, checked in by bird, 17 years ago

kBuild 0.1.4
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File size: 17.6 KB
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1#!/bin/sh
2# $Id: env.sh 1731 2008-09-05 04:27:14Z bird $
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#
32ERR_REDIR=1
33DBG_REDIR=1
34EVAL_OPT=
35EVAL_EXPORT="export "
36DBG_OPT=
37QUIET_OPT=
38FULL_OPT=
39LEGACY_OPT=
40VAR_OPT=
41VALUE_ONLY_OPT=
42EXP_TYPE_OPT=
43while test $# -gt 0;
44do
45 case "$1" in
46 "--debug-script")
47 DBG_OPT="true"
48 ;;
49 "--no-debug-script")
50 DBG_OPT=
51 ;;
52 "--quiet")
53 QUIET_OPT="true"
54 ;;
55 "--verbose")
56 QUIET_OPT=
57 ;;
58 "--full")
59 FULL_OPT="true"
60 ;;
61 "--normal")
62 FULL_OPT=
63 ;;
64 "--legacy")
65 LEGACY_OPT="true"
66 ;;
67 "--no-legacy")
68 LEGACY_OPT=
69 ;;
70 "--eval")
71 EVAL_OPT="true"
72 ERR_REDIR=2
73 DBG_REDIR=2
74 ;;
75 "--set")
76 EVAL_OPT="true"
77 EVAL_EXPORT=""
78 ERR_REDIR=2
79 DBG_REDIR=2
80 ;;
81 "--var")
82 shift
83 VAR_OPT="${VAR_OPT} $1"
84 ERR_REDIR=2
85 DBG_REDIR=2
86 ;;
87 "--value-only")
88 VALUE_ONLY_OPT="true"
89 ;;
90 "--name-and-value")
91 VALUE_ONLY_OPT=
92 ;;
93 "--release")
94 EXP_TYPE_OPT=1
95 KBUILD_TYPE=release
96 BUILD_TYPE=
97 ;;
98 "--debug")
99 EXP_TYPE_OPT=1
100 KBUILD_TYPE=debug
101 BUILD_TYPE=
102 ;;
103 "--profile")
104 EXP_TYPE_OPT=1
105 KBUILD_TYPE=profile
106 BUILD_TYPE=
107 ;;
108
109 "--help")
110 echo "kBuild Environment Setup Script, v0.1.4"
111 echo ""
112 echo "syntax: $0 [options] [command [args]]"
113 echo " or: $0 [options] --var <varname>"
114 echo " or: $0 [options] --eval"
115 echo " or: $0 [options] --eval --var <varname>"
116 echo ""
117 echo "The first form will execute the command, or if no command is given start"
118 echo "an interactive shell."
119 echo "The second form will print the specfified variable(s)."
120 echo "The third form will print all exported variables suitable for bourne shell"
121 echo "evalutation."
122 echo "The forth form will only print the specified variable(s)."
123 echo ""
124 echo "Options:"
125 echo " --debug, --release, --profile"
126 echo " Alternative way of specifying KBUILD_TYPE."
127 echo " --debug-script, --no-debug-script"
128 echo " Controls debug output. Default: --no-debug-script"
129 echo " --quiet, --verbose"
130 echo " Controls informational output. Default: --verbose"
131 echo " --full, --normal"
132 echo " Controls the variable set. Default: --normal"
133 echo " --legacy, --no-legacy"
134 echo " Include legacy variables in result. Default: --no-legacy"
135 echo " --value-only, --name-and-value"
136 echo " Controls what the result of a --var query. Default: --name-and-value"
137 echo " --set, --export"
138 echo " Whether --eval explicitly export the variables. --set is useful for"
139 echo " getting a list of environment vars for a commandline, while --eval"
140 echo " is useful for eval `env.sh`. Default: --export"
141 echo ""
142 exit 1
143 ;;
144 *)
145 break
146 ;;
147 esac
148 shift
149done
150
151
152#
153# Deal with legacy environment variables.
154#
155if test -n "$PATH_KBUILD"; then
156 if test -n "$KBUILD_PATH" -a "$KBUILD_PATH" != "$PATH_KBUILD"; then
157 echo "$0: error: KBUILD_PATH ($KBUILD_PATH) and PATH_KBUILD ($PATH_KBUILD) disagree." 1>&${ERR_REDIR}
158 sleep 1
159 exit 1
160 fi
161 KBUILD_PATH=$PATH_KBUILD
162fi
163if test -n "$PATH_KBUILD_BIN"; then
164 if test -n "$KBUILD_BIN_PATH" -a "$KBUILD_BIN_PATH" != "$PATH_KBUILD_BIN"; then
165 echo "$0: error: KBUILD_BIN_PATH ($KBUILD_BIN_PATH) and PATH_KBUILD_BIN ($PATH_KBUILD_BIN) disagree." 1>&${ERR_REDIR}
166 sleep 1
167 exit 1
168 fi
169 KBUILD_BIN_PATH=$PATH_KBUILD_BIN
170fi
171
172if test -n "$BUILD_TYPE"; then
173 if test -n "$KBUILD_TYPE" -a "$KBUILD_TYPE" != "$BUILD_TYPE"; then
174 echo "$0: error: KBUILD_TYPE ($KBUILD_TYPE) and BUILD_TYPE ($BUILD_TYPE) disagree." 1>&${ERR_REDIR}
175 sleep 1
176 exit 1
177 fi
178 KBUILD_TYPE=$BUILD_TYPE
179fi
180
181if test -n "$BUILD_PLATFORM"; then
182 if test -n "$KBUILD_HOST" -a "$KBUILD_HOST" != "$BUILD_PLATFORM"; then
183 echo "$0: error: KBUILD_HOST ($KBUILD_HOST) and BUILD_PLATFORM ($BUILD_PLATFORM) disagree." 1>&${ERR_REDIR}
184 sleep 1
185 exit 1
186 fi
187 KBUILD_HOST=$BUILD_PLATFORM
188fi
189if test -n "$BUILD_PLATFORM_ARCH"; then
190 if test -n "$KBUILD_HOST_ARCH" -a "$KBUILD_HOST_ARCH" != "$BUILD_PLATFORM_ARCH"; then
191 echo "$0: error: KBUILD_HOST_ARCH ($KBUILD_HOST_ARCH) and BUILD_PLATFORM_ARCH ($BUILD_PLATFORM_ARCH) disagree." 1>&${ERR_REDIR}
192 sleep 1
193 exit 1
194 fi
195 KBUILD_HOST_ARCH=$BUILD_PLATFORM_ARCH
196fi
197if test -n "$BUILD_PLATFORM_CPU"; then
198 if test -n "$KBUILD_HOST_CPU" -a "$KBUILD_HOST_CPU" != "$BUILD_PLATFORM_CPU"; then
199 echo "$0: error: KBUILD_HOST_CPU ($KBUILD_HOST_CPU) and BUILD_PLATFORM_CPU ($BUILD_PLATFORM_CPU) disagree." 1>&${ERR_REDIR}
200 sleep 1
201 exit 1
202 fi
203 KBUILD_HOST_CPU=$BUILD_PLATFORM_CPU
204fi
205
206if test -n "$BUILD_TARGET"; then
207 if test -n "$KBUILD_TARGET" -a "$KBUILD_TARGET" != "$BUILD_TARGET"; then
208 echo "$0: error: KBUILD_TARGET ($KBUILD_TARGET) and BUILD_TARGET ($BUILD_TARGET) disagree." 1>&${ERR_REDIR}
209 sleep 1
210 exit 1
211 fi
212 KBUILD_TARGET=$BUILD_TARGET
213fi
214if test -n "$BUILD_TARGET_ARCH"; then
215 if test -n "$KBUILD_TARGET_ARCH" -a "$KBUILD_TARGET_ARCH" != "$BUILD_TARGET_ARCH"; then
216 echo "$0: error: KBUILD_TARGET_ARCH ($KBUILD_TARGET_ARCH) and BUILD_TARGET_ARCH ($BUILD_TARGET_ARCH) disagree." 1>&${ERR_REDIR}
217 sleep 1
218 exit 1
219 fi
220 KBUILD_TARGET_ARCH=$BUILD_TARGET_ARCH
221fi
222if test -n "$BUILD_TARGET_CPU"; then
223 if test -n "$KBUILD_TARGET_CPU" -a "$KBUILD_TARGET_CPU" != "$BUILD_TARGET_CPU"; then
224 echo "$0: error: KBUILD_TARGET_CPU ($KBUILD_TARGET_CPU) and BUILD_TARGET_CPU ($BUILD_TARGET_CPU) disagree." 1>&${ERR_REDIR}
225 sleep 1
226 exit 1
227 fi
228 KBUILD_TARGET_CPU=$BUILD_TARGET_CPU
229fi
230
231
232#
233# Set default build type.
234#
235if test -z "$KBUILD_TYPE"; then
236 KBUILD_TYPE=release
237fi
238test -n "$DBG_OPT" && echo "dbg: KBUILD_TYPE=$KBUILD_TYPE" 1>&${DBG_REDIR}
239
240#
241# Determin the host platform.
242#
243# The CPU isn't important, only the other two are. But, since the cpu,
244# arch and platform (and build type) share a common key space, try make
245# sure any new additions are unique. (See header.kmk, KBUILD_OSES/ARCHES.)
246#
247if test -z "$KBUILD_HOST"; then
248 KBUILD_HOST=`uname`
249 case "$KBUILD_HOST" in
250 Darwin|darwin)
251 KBUILD_HOST=darwin
252 ;;
253
254 DragonFly)
255 KBUILD_HOST=dragonfly
256 ;;
257
258 freebsd|FreeBSD|FREEBSD)
259 KBUILD_HOST=freebsd
260 ;;
261
262 linux|Linux|GNU/Linux|LINUX)
263 KBUILD_HOST=linux
264 ;;
265
266 netbsd|NetBSD|NETBSD)
267 KBUILD_HOST=netbsd
268 ;;
269
270 openbsd|OpenBSD|OPENBSD)
271 KBUILD_HOST=openbsd
272 ;;
273
274 os2|OS/2|OS2)
275 KBUILD_HOST=os2
276 ;;
277
278 SunOS)
279 KBUILD_HOST=solaris
280 ;;
281
282 WindowsNT|CYGWIN_NT-*)
283 KBUILD_HOST=win
284 ;;
285
286 *)
287 echo "$0: unknown os $KBUILD_HOST" 1>&${ERR_REDIR}
288 sleep 1
289 exit 1
290 ;;
291 esac
292fi
293test -n "$DBG_OPT" && echo "dbg: KBUILD_HOST=$KBUILD_HOST" 1>&${DBG_REDIR}
294
295if test -z "$KBUILD_HOST_ARCH"; then
296 # Try deduce it from the cpu if given.
297 if test -n "$KBUILD_HOST_CPU"; then
298 case "$KBUILD_HOST_CPU" in
299 i[3456789]86)
300 KBUILD_HOST_ARCH='x86'
301 ;;
302 k8|k8l|k9|k10)
303 KBUILD_HOST_ARCH='amd64'
304 ;;
305 esac
306 fi
307fi
308if test -z "$KBUILD_HOST_ARCH"; then
309 # Use uname -m or isainfo (lots of guesses here, please help clean this up...)
310 if test "$KBUILD_HOST" = "solaris"; then
311 KBUILD_HOST_ARCH=`isainfo | cut -f 1 -d ' '`
312
313 else
314 KBUILD_HOST_ARCH=`uname -m`
315 fi
316 case "$KBUILD_HOST_ARCH" in
317 x86_64|AMD64|amd64|k8|k8l|k9|k10)
318 KBUILD_HOST_ARCH='amd64'
319 ;;
320 x86|i86pc|ia32|i[3456789]86)
321 KBUILD_HOST_ARCH='x86'
322 ;;
323 sparc32|sparc)
324 KBUILD_HOST_ARCH='sparc32'
325 ;;
326 sparc64)
327 KBUILD_HOST_ARCH='sparc64'
328 ;;
329 s390)
330 KBUILD_HOST_ARCH='s390'
331 ;;
332 s390x)
333 KBUILD_HOST_ARCH='s390x'
334 ;;
335 ppc32|ppc|powerpc)
336 KBUILD_HOST_ARCH='ppc32'
337 ;;
338 ppc64|powerpc64)
339 KBUILD_HOST_ARCH='ppc64'
340 ;;
341 mips32|mips)
342 KBUILD_HOST_ARCH='mips32'
343 ;;
344 mips64)
345 KBUILD_HOST_ARCH='mips64'
346 ;;
347 ia64)
348 KBUILD_HOST_ARCH='ia64'
349 ;;
350 hppa32|parisc32|parisc)
351 KBUILD_HOST_ARCH='hppa32'
352 ;;
353 hppa64|parisc64)
354 KBUILD_HOST_ARCH='hppa64'
355 ;;
356 arm|armv4l|armv5tel|armv5tejl)
357 KBUILD_HOST_ARCH='arm'
358 ;;
359 alpha)
360 KBUILD_HOST_ARCH='alpha'
361 ;;
362
363 *) echo "$0: unknown cpu/arch - $KBUILD_HOST_ARCH" 1>&${ERR_REDIR}
364 sleep 1
365 exit 1
366 ;;
367 esac
368
369fi
370test -n "$DBG_OPT" && echo "dbg: KBUILD_HOST_ARCH=$KBUILD_HOST_ARCH" 1>&${DBG_REDIR}
371
372if test -z "$KBUILD_HOST_CPU"; then
373 KBUILD_HOST_CPU="blend"
374fi
375test -n "$DBG_OPT" && echo "dbg: KBUILD_HOST_CPU=$KBUILD_HOST_CPU" 1>&${DBG_REDIR}
376
377#
378# The target platform.
379# Defaults to the host when not specified.
380#
381if test -z "$KBUILD_TARGET"; then
382 KBUILD_TARGET="$KBUILD_HOST"
383fi
384test -n "$DBG_OPT" && echo "dbg: KBUILD_TARGET=$KBUILD_TARGET" 1>&${DBG_REDIR}
385
386if test -z "$KBUILD_TARGET_ARCH"; then
387 KBUILD_TARGET_ARCH="$KBUILD_HOST_ARCH"
388fi
389test -n "$DBG_OPT" && echo "dbg: KBUILD_TARGET_ARCH=$KBUILD_TARGET_ARCH" 1>&${DBG_REDIR}
390
391if test -z "$KBUILD_TARGET_CPU"; then
392 if test "$KBUILD_TARGET_ARCH" = "$KBUILD_HOST_ARCH"; then
393 KBUILD_TARGET_CPU="$KBUILD_HOST_CPU"
394 else
395 KBUILD_TARGET_CPU="blend"
396 fi
397fi
398test -n "$DBG_OPT" && echo "dbg: KBUILD_TARGET_CPU=$KBUILD_TARGET_CPU" 1>&${DBG_REDIR}
399
400#
401# Determin executable extension and path separator.
402#
403_SUFF_EXE=
404_PATH_SEP=":"
405case "$KBUILD_HOST" in
406 os2|win|nt)
407 _SUFF_EXE=".exe"
408 _PATH_SEP=";"
409 ;;
410esac
411
412#
413# Determin KBUILD_PATH from the script location and calc KBUILD_BIN_PATH from there.
414#
415if test -z "$KBUILD_PATH"; then
416 KBUILD_PATH=`dirname "$0"`
417 KBUILD_PATH=`cd "$KBUILD_PATH" ; /bin/pwd`
418fi
419if test ! -f "$KBUILD_PATH/footer.kmk" -o ! -f "$KBUILD_PATH/header.kmk" -o ! -f "$KBUILD_PATH/rules.kmk"; then
420 echo "$0: error: KBUILD_PATH ($KBUILD_PATH) is not pointing to a popluated kBuild directory." 1>&${ERR_REDIR}
421 sleep 1
422 exit 1
423fi
424test -n "$DBG_OPT" && echo "dbg: KBUILD_PATH=$KBUILD_PATH" 1>&${DBG_REDIR}
425
426if test -z "$KBUILD_BIN_PATH"; then
427 KBUILD_BIN_PATH="${KBUILD_PATH}/bin/${KBUILD_HOST}.${KBUILD_HOST_ARCH}"
428fi
429test -n "$DBG_OPT" && echo "dbg: KBUILD_BIN_PATH=${KBUILD_BIN_PATH}" 1>&${DBG_REDIR}
430
431#
432# Add the bin/x.y/ directory to the PATH.
433# NOTE! Once bootstrapped this is the only thing that is actually necessary.
434#
435PATH="${KBUILD_BIN_PATH}${_PATH_SEP}$PATH"
436test -n "$DBG_OPT" && echo "dbg: PATH=$PATH" 1>&${DBG_REDIR}
437
438#
439# Sanity and x bits.
440#
441if test ! -d "${KBUILD_BIN_PATH}/"; then
442 echo "$0: warning: The bin directory for this platform doesn't exist. (${KBUILD_BIN_PATH}/)" 1>&${ERR_REDIR}
443else
444 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;
445 do
446 chmod a+x ${KBUILD_BIN_PATH}/${prog} > /dev/null 2>&1
447 if test ! -f "${KBUILD_BIN_PATH}/${prog}${_SUFF_EXE}"; then
448 echo "$0: warning: The ${prog} program doesn't exist for this platform. (${KBUILD_BIN_PATH}/${prog}${_SUFF_EXE})" 1>&${ERR_REDIR}
449 fi
450 done
451fi
452
453#
454# The environment is in place, now take the requested action.
455#
456MY_RC=0
457if test -n "${VAR_OPT}"; then
458 # Echo variable values or variable export statements.
459 for var in ${VAR_OPT};
460 do
461 val=
462 case "$var" in
463 PATH)
464 val=$PATH
465 ;;
466 KBUILD_PATH)
467 val=$KBUILD_PATH
468 ;;
469 KBUILD_BIN_PATH)
470 val=$KBUILD_BIN_PATH
471 ;;
472 KBUILD_HOST)
473 val=$KBUILD_HOST
474 ;;
475 KBUILD_HOST_ARCH)
476 val=$KBUILD_HOST_ARCH
477 ;;
478 KBUILD_HOST_CPU)
479 val=$KBUILD_HOST_CPU
480 ;;
481 KBUILD_TARGET)
482 val=$KBUILD_TARGET
483 ;;
484 KBUILD_TARGET_ARCH)
485 val=$KBUILD_TARGET_ARCH
486 ;;
487 KBUILD_TARGET_CPU)
488 val=$KBUILD_TARGET_CPU
489 ;;
490 KBUILD_TYPE)
491 val=$KBUILD_TYPE
492 ;;
493 *)
494 echo "$0: error: Unknown variable $var specified in --var request." 1>&${ERR_REDIR}
495 sleep 1
496 exit 1
497 ;;
498 esac
499
500 if test -n "$EVAL_OPT"; then
501 echo "${EVAL_EXPORT} $var=$val"
502 else
503 if test -n "$VALUE_ONLY_OPT"; then
504 echo "$val"
505 else
506 echo "$var=$val"
507 fi
508 fi
509 done
510else
511 if test -n "$EVAL_OPT"; then
512 # Echo statements for the shell to evaluate.
513 test -n "$DBG_OPT" && echo "dbg: echoing exported variables" 1>&${DBG_REDIR}
514 echo "${EVAL_EXPORT} PATH=${PATH}"
515 test -n "${FULL_OPT}" -o "${EXP_TYPE_OPT}" && echo "${EVAL_EXPORT} KBUILD_TYPE=${KBUILD_TYPE}"
516 if test -n "${FULL_OPT}"; then
517 echo "${EVAL_EXPORT} KBUILD_PATH=${KBUILD_PATH}"
518 echo "${EVAL_EXPORT} KBUILD_HOST=${KBUILD_HOST}"
519 echo "${EVAL_EXPORT} KBUILD_HOST_ARCH=${KBUILD_HOST_ARCH}"
520 echo "${EVAL_EXPORT} KBUILD_HOST_CPU=${KBUILD_HOST_CPU}"
521 echo "${EVAL_EXPORT} KBUILD_TARGET=${KBUILD_TARGET}"
522 echo "${EVAL_EXPORT} KBUILD_TARGET_ARCH=${KBUILD_TARGET_ARCH}"
523 echo "${EVAL_EXPORT} KBUILD_TARGET_CPU=${KBUILD_TARGET_CPU}"
524
525 if test -n "${LEGACY_OPT}"; then
526 echo "${EVAL_EXPORT} PATH_KBUILD=${KBUILD_PATH}"
527 echo "${EVAL_EXPORT} BUILD_TYPE=${KBUILD_TYPE}"
528 echo "${EVAL_EXPORT} BUILD_PLATFORM=${KBUILD_HOST}"
529 echo "${EVAL_EXPORT} BUILD_PLATFORM_ARCH=${KBUILD_HOST_ARCH}"
530 echo "${EVAL_EXPORT} BUILD_PLATFORM_CPU=${KBUILD_HOST_CPU}"
531 echo "${EVAL_EXPORT} BUILD_TARGET=${KBUILD_TARGET}"
532 echo "${EVAL_EXPORT} BUILD_TARGET_ARCH=${KBUILD_TARGET_ARCH}"
533 echo "${EVAL_EXPORT} BUILD_TARGET_CPU=${KBUILD_TARGET_CPU}"
534 fi
535 fi
536 else
537 # Export variables.
538 export PATH
539 test -n "${FULL_OPT}" -o "${EXP_TYPE_OPT}" && export KBUILD_TYPE
540 if test -n "${FULL_OPT}"; then
541 export KBUILD_PATH
542 export KBUILD_HOST
543 export KBUILD_HOST_ARCH
544 export KBUILD_HOST_CPU
545 export KBUILD_TARGET
546 export KBUILD_TARGET_ARCH
547 export KBUILD_TARGET_CPU
548
549 if test -n "${LEGACY_OPT}"; then
550 export PATH_KBUILD=$KBUILD_PATH
551 export BUILD_TYPE=$KBUILD_TYPE
552 export BUILD_PLATFORM=$KBUILD_HOST
553 export BUILD_PLATFORM_ARCH=$KBUILD_HOST_ARCH
554 export BUILD_PLATFORM_CPU=$KBUILD_HOST_CPU
555 export BUILD_TARGET=$KBUILD_TARGET
556 export BUILD_TARGET_ARCH=$KBUILD_TARGET_ARCH
557 export BUILD_TARGET_CPU=$KBUILD_TARGET_CPU
558 fi
559 fi
560
561 # Execute command or spawn shell.
562 if test $# -eq 0; then
563 test -z "${QUIET_OPT}" && echo "$0: info: Spawning work shell..." 1>&${ERR_REDIR}
564 if test "$TERM" != 'dumb' -a -n "$BASH"; then
565 export PS1='\[\033[01;32m\]\u@\h \[\033[01;34m\]\W \$ \[\033[00m\]'
566 fi
567 $SHELL -i
568 MY_RC=$?
569 else
570 test -z "${QUIET_OPT}" && echo "$0: info: Executing command: $*" 1>&${ERR_REDIR}
571 $*
572 MY_RC=$?
573 test -z "${QUIET_OPT}" -a "$MY_RC" -ne 0 && echo "$0: info: rc=$MY_RC: $*" 1>&${ERR_REDIR}
574 fi
575 fi
576fi
577test -n "$DBG_OPT" && echo "dbg: finished (rc=$MY_RC)" 1>&${DBG_REDIR}
578exit $MY_RC
579
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