* config.guess: add GPL.
[external/binutils.git] / configure
1 #!/bin/sh
2
3 # Configuration script
4 #   Copyright (C) 1988, 1990-1993 Free Software Foundation, Inc.
5
6 # This program is free software; you can redistribute it and/or modify
7 # it under the terms of the GNU General Public License as published by
8 # the Free Software Foundation; either version 2 of the License, or
9 # (at your option) any later version.
10
11 # This program is distributed in the hope that it will be useful,
12 # but WITHOUT ANY WARRANTY; without even the implied warranty of
13 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14 # GNU General Public License for more details.
15
16 # You should have received a copy of the GNU General Public License
17 # along with this program; if not, write to the Free Software
18 # Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.  */
19
20 # Please email any bugs, comments, and/or additions to this file to:
21 # configure@cygnus.com
22
23 # This file was written by K. Richard Pixley.
24
25 #
26 # Shell script to create proper links to machine-dependent files in
27 # preparation for compilation.
28 #
29 # If configure succeeds, it leaves its status in config.status.
30 # If configure fails after disturbing the status quo, 
31 #       config.status is removed.
32 #
33
34 export PATH || (echo "OOPS, this isn't sh.  Desperation time.  I will feed myself to sh."; sh $0 $argv; kill $$)
35
36 remove=rm
37 hard_link=ln
38 symbolic_link='ln -s'
39
40 #for Test
41 #remove="echo rm"
42 #hard_link="echo ln"
43 #symbolic_link="echo ln -s"
44
45 # clear some things potentially inherited from environment.
46
47 Makefile=Makefile
48 Makefile_in=Makefile.in
49 arguments=$*
50 configdirs=
51 exec_prefix=
52 exec_prefixoption=
53 fatal=
54 floating_point=default
55 gas=default
56 host_alias=
57 host_makefile_frag=
58 moveifchange=
59 next_host=
60 next_prefix=
61 next_site=
62 next_srcdir=
63 next_target=
64 next_tmpdir=
65 norecursion=
66 prefix=/usr/local
67 progname=
68 program_prefix=
69 program_prefixoption=
70 program_suffix=
71 program_suffixoption=
72 program_transform_name=
73 program_transform_nameoption=
74 redirect=">/dev/null"
75 removing=
76 site=
77 site_makefile_frag=
78 site_option=
79 srcdir=
80 srctrigger=
81 subdirs=
82 target_alias=
83 target_makefile_frag=
84 undefinedargs=
85 version="$Revision$"
86 x11=default
87
88 NO_EDIT="This file was generated automatically by configure.  Do not edit."
89
90 ## this is a little touchy and won't always work, but...
91 ##
92 ## if the argv[0] starts with a slash then it is an absolute name that can (and
93 ## must) be used as is.
94 ##
95 ## otherwise, if argv[0] has no slash in it, we can assume that it is on the
96 ## path.  Since PATH might include "." we also add `pwd` to the end of PATH.
97 ##
98
99 progname=$0
100 # if PWD already has a value, it is probably wrong.
101 if [ -n "$PWD" ]; then PWD=`pwd`; fi
102
103 case "${progname}" in
104 /*) ;;
105 */*) ;;
106 *)
107         PATH=$PATH:${PWD=`pwd`} ; export PATH
108         ;;
109 esac
110
111 for arg in $*;
112 do
113         # handle things that might have args following as separate words
114         if [ -n "${next_prefix}" ] ; then prefix=${arg} ; prefixoption="-prefix=${prefix}" ; next_prefix=
115         elif [ -n "${next_exec_prefix}" ] ; then
116                 exec_prefix=${arg}
117                 exec_prefixoption="-exec_prefix=${exec_prefix}"
118                 next_exec_prefix=
119         elif [ -n "${next_site}" ] ; then site=${arg} ; site_option=-site=${site} ; next_site=
120         # remove any possible trailing slash from srcdir.  See note below.
121         elif [ -n "${next_srcdir}" ] ; then srcdir=`echo ${arg} | sed -e 's:/$::'` ; next_srcdir=
122         elif [ -n "${next_program_prefix}" ] ; then
123                 program_prefix=${arg}
124                 program_prefixoption="-program_prefix=${program_prefix}"
125                 next_program_prefix=
126         elif [ -n "${next_program_suffix}" ] ; then
127                 program_suffix=${arg}
128                 program_suffixoption="-program_suffix=${program_suffix}"
129                 next_program_suffix=
130         elif [ -n "${next_program_transform_name}" ] ; then
131                 # Double any backslashes or dollar signs in the argument
132                 program_transform_name="${program_transform_name} -e `echo ${arg} | sed -e 's/\\\\/\\\\\\\\/g' -e 's/\\\$/$$/g'`"
133                 program_transform_nameoption="${program_transform_nameoption} -program_transform_name='${arg}'"
134                 next_program_transform_name=
135         elif [ -n "${next_target}" ] ; then
136                 next_target=
137                 case "${target_alias}" in
138                 "")
139                         target_alias="${arg}"
140                         ;;
141                 *)
142                         echo '***' Can only configure for one target at a time.  1>&2
143                         fatal=yes
144                         ;;
145                 esac
146         elif [ -n "${next_tmpdir}" ] ; then
147                 next_tmpdir=
148                 tmpdiroption="--tmpdir=${arg}"
149                 TMPDIR=${arg}
150
151         else
152                 case ${arg} in
153                 -exec_prefix=* | --exec_prefix=* | --exec_prefi=* | --exec_pref=* | --exec_pre=* | --exec_pr=* | --exec_p=* | --exec_=* | --exec=* | --exe=* | --ex=* | --e=* | -exec-prefix=* | --exec-prefix=* | --exec-prefi=* | --exec-pref=* | --exec-pre=* | --exec-pr=* | --exec-p=* | --exec-=* )
154                         exec_prefix=`echo ${arg} | sed 's/^[-a-z_]*=//'`
155                         exec_prefixoption=${arg}
156                         ;;
157                 -exec_prefix | --exec_prefix | --exec_prefi | --exec_pref | --exec_pre | --exec_pr | --exec_p | --exec_ | --exec | --exe | --ex | --e | -exec-prefix | --exec-prefix | --exec-prefi | --exec-pref | --exec-pre | --exec-pr | --exec-p | --exec-)
158                         next_exec_prefix=yes
159                         ;;
160                 -gas | --g*)
161                         gas=yes
162                         ;;
163                 -help | --he*)
164                         fatal=true
165                         ;;
166                 -host=* | --host=* | --hos=* | --ho=*)
167                         case "${host_alias}" in
168                         "")
169                                 host_alias="`echo ${arg} | sed 's/^[-a-z]*=//'`"
170                                 ;;
171                         *)
172                                 echo '***' Can only configure for one host at a time.  1>&2
173                                 fatal=yes
174                                 ;;
175                         esac
176                         ;;
177                 -nfp | --nf*)
178                         floating_point=no
179                         ;;
180                 -norecursion | --no*)
181                         norecursion=true
182                         ;;
183                 -prefix=* | --prefix=* | --prefi=* | --pref=* | --pre=*)
184                         prefix=`echo ${arg} | sed 's/^[-a-z]*=//'`
185                         prefixoption=${arg}
186                         ;;
187                 -prefix | --prefix | --prefi | --pref | --pre)
188                         next_prefix=yes
189                         ;;
190                 -rm | --rm) removing=${arg} ;;
191                 -program_prefix=* | --program_prefix=* | --program_prefi=* | --program_pref=* | --program_pre=* | --program_pr=* | --program_p=* | -program-prefix=* | --program-prefix=* | --program-prefi=* | --program-pref=* | --program-pre=* | --program-pr=* | --program-p=*)
192                         program_prefix=`echo ${arg} | sed 's/^[-a-z_]*=//'`
193                         program_prefixoption=${arg}
194                         ;;
195                 -program_prefix | --program_prefix | --program_prefi | --program_pref | --program_pre | --program_pr | --program_p | -program-prefix | --program-prefix | --program-prefi | --program-pref | --program-pre | --program-pr | --program-p)
196                         next_program_prefix=yes
197                         ;;
198                 -program_suffix=* | --program_suffix=* | --program_suffi=* | --program_suff=* | --program_suf=* | --program_su=* | --program_s=* | -program-suffix=* | --program-suffix=* | --program-suffi=* | --program-suff=* | --program-suf=* | --program-su=* | --program-s=*)
199                         program_suffix=`echo ${arg} | sed 's/^[-a-z_]*=//'`
200                         program_suffixoption=${arg}
201                         ;;
202                 -program_suffix | --program_suffix | --program_suffi | --program_suff | --program_suf | --program_su | --program_s |-program-suffix | --program-suffix | --program-suffi | --program-suff | --program-suf | --program-su | --program-s)
203                         next_program_suffix=yes
204                         ;;
205                 -program_transform_name=* | --program_transform_name=* | --program_transform_nam=* | --program_transform_na=* | --program_transform_n=* | --program_transform_=* | --program_transform=* | --program_transfor=* | --program_transfo=* | --program_transf=* | --program_trans=* | --program_tran=* | --program_tra=* | --program_tr=* | --program_t=* | -program-transform-name=* | --program-transform-name=* | --program-transform-nam=* | --program-transform-na=* | --program-transform-n=* | --program-transform-=* | --program-transform=* | --program-transfor=* | --program-transfo=* | --program-transf=* | --program-trans=* | --program-tran=* | --program-tra=* | --program-tr=* | --program-t=*)
206                         # Double any \ or $ in the argument
207                         program_transform_name="${program_transform_name} -e `echo ${arg} | sed -e 's/^[-a-z_]*=//' -e 's/\\\\/\\\\\\\\/g' -e 's/\\\$/$$/g'`"
208                         program_transform_nameoption="${program_transform_nameoption} -program_transform_name='`echo ${arg} | sed 's/^[-a-z_]*=//'`'"
209                         ;;
210                 -program_transform_name | --program_transform_name | --program_transform_nam | --program_transform_na | --program_transform_n | --program_transform_ | --program_transform | --program_transfor | --program_transfo | --program_transf | --program_trans | --program_tran | --program_tra | --program_tr | --program_t | -program-transform-name | --program-transform-name | --program-transform-nam | --program-transform-na | --program-transform-n | --program-transform- | --program-transform | --program-transfor | --program-transfo | --program-transf | --program-trans | --program-tran | --program-tra | --program-tr | --program-t)
211                         next_program_transform_name=yes
212                         ;;
213                 -site=* | --site=* | --sit=* | --si=*)
214                         site_option=${arg}
215                         site=`echo ${arg} | sed 's/^[-a-z]*=//'`
216                         ;;
217                 -site | --site | --sit)
218                         next_site=yes
219                         ;;
220                 # remove trailing slashes.  Otherwise, when the file name gets
221                 # bolted into an object file as debug info, it has two slashes in
222                 # it.  Ordinarily this is ok, but emacs takes double slash to
223                 # mean "forget the first part".
224                 -srcdir=* | --srcdir=* | --srcdi=* | --srcd=* | --src=* | --sr=*)
225                         srcdir=`echo ${arg} | sed 's/^[-a-z]*=//' | sed -e 's:/$::'`
226                         ;;
227                 -srcdir | --srcdir | --srcdi | --srcd | --src | --sr)
228                         next_srcdir=yes
229                         ;;
230                 -target=* | --target=* | --targe=* | --targ=* | --tar=* | --ta=*)
231                         case "${target_alias}" in
232                         "") target_alias="`echo ${arg} | sed 's/^[-a-z]*=//'`" ;;
233                         *)
234                                 echo '***' Can only configure for one target at a time.  1>&2
235                                 fatal=yes
236                                 ;;
237                         esac
238                         ;;
239                 -target | --target | --targe | --targ | --tar | --ta)
240                         next_target=yes
241                         ;;
242                 -tmpdir=* | --tmpdir=* | --tmpdi=* | --tmpd=* | --tmp=* | --tm=*)
243                         tmpdiroption=${arg}
244                         TMPDIR=`echo ${arg} | sed 's/^[-a-z]*=//'`
245                         ;;
246                 -tmpdir | --tmpdir | --tmpdi | --tmpd | --tmp | --tm)
247                         next_tmpdir=yes
248                         ;;
249                 -v | -verbose | --v)
250                         redirect=
251                         verbose=-v
252                         ;;
253                 -version | -V | --version | --V)
254                         echo "This is Cygnus Configure version" `echo ${version} | sed 's/[ $:]//g'`
255                         exit 0
256                         ;;
257                 -with*=* | --with*=*)
258                         withopt=`echo ${arg} | sed 's:^-*\(with[^=]*\)=.*$:\1:;s/-/_/g'`
259                         withval=`echo ${arg} | sed 's:^-*with[^=]*=\(.*\)$:\1:'`
260                         eval $withopt="$withval"
261                         withoptions="$withoptions $arg"
262                         ;;
263                 -with* | --with*)
264                         withopt=`echo ${arg} | sed 's:^-*with:with:;s/-/_/g'`
265                         eval $withopt=yes
266                         withoptions="$withoptions $arg"
267                         ;;
268                 -x | --x) ;;
269                 -* | --*)
270                         (echo ;
271                         echo "Unrecognized option: \"${arg}\"". ;
272                         echo) 1>&2
273                         fatal=true
274                         ;;
275                 *)
276                         case "${undefs}" in
277                         "")
278                                 undefs="${arg}"
279                                 ;;
280                         *)
281                                 echo '***' Can only configure for one host and one target at a time.  1>&2
282                                 fatal=yes
283                                 ;;
284                         esac
285                         ;;
286                 esac
287         fi
288 done
289
290 # process host and target
291 case "${fatal}" in
292 "")
293 #       # Complain if an arg is missing
294 #       if [ -z "${host_alias}" ] ; then
295 #               (echo ;
296 #               echo "configure: No HOST specified." ;
297 #               echo) 1>&2
298 #               fatal=true
299 #       fi
300
301 ### This is a bit twisted.
302 ### * if all three are specified, this is an error.
303 ### * if we have neither hosts, nor unadorned args, this is an error.
304 ### * if no hosts are specified, then the unadorned args are hosts, but if
305 ### there were none, this is an error.
306 ### * if no targets are specified, then the unadorned args are targets, but if
307 ### there were no unadorned args, then the hosts are also targets.
308
309         if [ -n "${host_alias}" -a -n "${target_alias}" -a -n "${undefs}" ] ; then
310                 echo '***' Can only configure for one host and one target at a time.  1>&2
311                 fatal=yes
312         elif [ -z "${host_alias}" -a -z "${undefs}" ] ; then
313                 echo '- You did not tell me what kind of host system you want to configure.
314 - I will attempt to guess the kind of system this is.' 1>&2
315                 guesssys=`echo ${progname} | sed 's/configure$/config.guess/'`
316                 if tmp_alias=`${guesssys}` ; then
317                         echo "- Looks like this is a ${tmp_alias}" 1>&2
318                         host_alias=${tmp_alias}
319                         target_alias=${tmp_alias}
320                 else
321                         echo '- Failed to guess the system type.  You need to tell me.' 1>&2
322                         fatal=yes
323                 fi
324         else
325                 case "${host_alias}" in
326                 "") host_alias=${undefs} ;;
327                 *) ;;
328                 esac
329
330                 case "${target_alias}" in
331                 "")
332                         case "${undefs}" in
333                         "")     target_alias=${host_alias} ;;
334                         *)      target_alias=${undefs} ;;
335                         esac
336                         ;;
337                 *) ;;
338                 esac
339         fi
340         ;;
341 *) ;;
342 esac
343
344 if [ -n "${fatal}" -o "${host_alias}" = "help" ] ; then
345         (echo "Usage: configure HOST" ;
346         echo ;
347         echo "Options: [defaults in brackets]" ;
348         echo " -exec-prefix=MYDIR       configure for installation of host dependent files into MYDIR. [\"/usr/local\"]" ;
349         echo " -gas                     configure the compilers for use with gas. [native as]" ;
350         echo " -help                    print this message. [normal config]" ;
351         echo " -lang=LANG               configure to build LANG. [gcc]" ;
352         echo " -nfp                     configure the compilers default to soft floating point. [hard float]" ;
353         echo " -norecursion             configure this directory only. [recurse]" ;
354         echo " -prefix=MYDIR            configure for installation of host dependent files into MYDIR. [\"/usr/local\"]" ;
355         echo " -program-prefix=FOO      install programs with FOO prepended to their names. [ \"\" ]" ;
356         echo " -program-suffix=FOO      install programs with FOO appended to their names. [ \"\" ]" ;
357         echo " -program-transform-name=FOO      install programs with names transformed by sed pattern FOO. [ \"\" ]" ;
358         echo " -site=SITE               configure with site specific makefile for SITE" ;
359         echo " -srcdir=DIR              find the sources in DIR. [\".\" or \"..\"]" ;
360         echo " -target=TARGET           configure for TARGET.  [TARGET = HOST]" ;
361         echo " -tmpdir=TMPDIR           create temporary files in TMPDIR.  [ TMPDIR = \"/tmp\" ]" ;
362         echo ;
363         echo "Where HOST and TARGET are something like \"vax\", \"sun3\", \"encore\", etc." ;
364         ) 1>&2
365
366         if [ -r config.status ] ; then
367                 cat config.status
368         fi
369
370         exit 1
371 fi
372
373 configsub=`echo ${progname} | sed 's/configure$/config.sub/'`
374 moveifchange=`echo ${progname} | sed 's/configure$/move-if-change/'`
375
376 # this is a hack.  sun4 must always be a valid host alias or this will fail.
377 if ${configsub} sun4 >/dev/null 2>&1 ; then
378         true
379 else
380         echo '***' cannot find config.sub.  1>&2
381         exit 1
382 fi
383
384 touch config.junk
385 if ${moveifchange} config.junk config.trash ; then
386         true
387 else
388         echo '***' cannot find move-if-change.  1>&2
389         exit 1
390 fi
391 rm -f config.junk config.trash
392
393 case "${srcdir}" in
394 "")
395         if [ -r configure.in ] ; then
396                 srcdir=.
397         else
398                 if [ -r ${progname}.in ] ; then
399                         srcdir=`echo ${progname} | sed 's:/configure$::'`
400                 else
401                         echo '***' "Can't find configure.in.  Try using -srcdir=some_dir"  1>&2
402                         exit 1
403                 fi
404         fi
405         ;;
406 *) ;;
407 esac
408
409 ### warn about some conflicting configurations.
410
411 case "${srcdir}" in
412 ".") ;;
413 *)
414         if [ -f ${srcdir}/config.status ] ; then
415                 echo '***' Cannot configure here in \"${PWD=`pwd`}\" when \"${srcdir}\" is currently configured. 1>&2
416                 exit 1
417         fi
418 esac
419
420 # default exec_prefix
421 case "${exec_prefix}" in
422 "") exec_prefix="\$(prefix)" ;;
423 *) ;;
424 esac
425
426 ### break up ${srcdir}/configure.in.
427 case "`grep '^# per\-host:' ${srcdir}/configure.in`" in
428 "")
429         echo '***' ${srcdir}/configure.in has no "per-host:" line. 1>&2
430         exit 1
431         ;;
432 *) ;;
433 esac
434
435 case "`grep '^# per\-target:' ${srcdir}/configure.in`" in
436 "")
437         echo '***' ${srcdir}/configure.in has no "per-target:" line. 1>&2
438         exit 1
439         ;;
440 *) ;;
441 esac
442
443 case "${TMPDIR}" in
444 "") TMPDIR=/tmp ; export TMPDIR ;;
445 *) ;;
446 esac
447
448 # keep this filename short for &%*%$*# 14 char file names
449 tmpfile=${TMPDIR}/cONf$$
450 trap "rm -f ${tmpfile}.com ${tmpfile}.tgt ${tmpfile}.hst ${tmpfile}.pos" 0
451
452 # split ${srcdir}/configure.in into common, per-host, per-target,
453 # and post-target parts.  Post-target is optional.
454 sed -e '/^# per\-host:/,$d' ${srcdir}/configure.in > ${tmpfile}.com
455 sed -e '1,/^# per\-host:/d' -e '/^# per\-target:/,$d' ${srcdir}/configure.in > ${tmpfile}.hst
456 if grep '^# post-target:' ${srcdir}/configure.in >/dev/null ; then
457   sed -e '1,/^# per\-target:/d' -e '/^# post\-target:/,$d' ${srcdir}/configure.in > ${tmpfile}.tgt
458   sed -e '1,/^# post\-target:/d' ${srcdir}/configure.in > ${tmpfile}.pos
459 else
460   sed -e '1,/^# per\-target:/d' ${srcdir}/configure.in > ${tmpfile}.tgt
461   echo >${tmpfile}.pos
462 fi
463
464 ### do common part of configure.in
465
466 . ${tmpfile}.com
467
468 # some sanity checks on configure.in
469 case "${srctrigger}" in
470 "")
471         echo '***' srctrigger not set in ${PWD=`pwd`}/configure.in.  1>&2
472         exit 1
473         ;;
474 *) ;;
475 esac
476
477 result=`${configsub} ${host_alias}`
478 host_cpu=`echo $result | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\1/'`
479 host_vendor=`echo $result | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\2/'`
480 host_os=`echo $result | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\3/'`
481 host=${host_cpu}-${host_vendor}-${host_os}
482
483 . ${tmpfile}.hst
484
485 result=`${configsub} ${target_alias}`
486 target_cpu=`echo $result | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\1/'`
487 target_vendor=`echo $result | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\2/'`
488 target_os=`echo $result | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\3/'`
489 target=${target_cpu}-${target_vendor}-${target_os}
490
491 . ${tmpfile}.tgt
492
493 # Find the source files, if location was not specified.
494 case "${srcdir}" in
495 "")
496         srcdirdefaulted=1
497         srcdir=.
498         if [ ! -r ${srctrigger} ] ; then
499                 srcdir=..
500         fi
501         ;;
502 *) ;;
503 esac
504
505 if [ ! -r ${srcdir}/${srctrigger} ] ; then
506         case "${srcdirdefaulted}" in
507         "") echo '***' "${progname}: Can't find ${srcname} sources in ${PWD=`pwd`}/${srcdir}" 1>&2 ;;
508         *)  echo '***' "${progname}: Can't find ${srcname} sources in ${PWD=`pwd`}/. or ${PWD=`pwd`}/.." 1>&2 ;;
509         esac
510
511         echo '***' \(At least ${srctrigger} is missing.\) 1>&2
512         exit 1
513 fi
514
515 tooldir="\$(libdir)/${target_alias}"
516
517 if [ "${host_alias}" != "${target_alias}" ] ; then
518     if [ "${program_prefix}" = "" ] ; then
519         if [ "${program_suffix}" = "" ] ; then 
520             if [ "${program_transform_name}" = "" ] ; then
521                 program_prefix=${target_alias}- ;
522             fi
523         fi
524     fi
525 fi
526
527 # Merge program_prefix and program_suffix onto program_transform_name
528 # Use a double $ so that make ignores it
529 if [ "${program_suffix}" != "" ] ; then
530     program_transform_name="-e s/\$\$/${program_suffix}/ ${program_transform_name}"
531 fi
532
533 if [ "${program_prefix}" != "" ] ; then
534     program_transform_name="-e s/^/${program_prefix}/ ${program_transform_name}"
535 fi
536
537 for subdir in . ${subdirs} ; do
538
539     # ${subdir} is relative path from . to the directory we're currently
540     # configuring.
541     # ${invsubdir} is inverse of ${subdir), *with* trailing /, if needed.
542     invsubdir=`echo ${subdir}/ | sed -e 's|\./||g' -e 's|[^/]*/|../|g'`
543
544     ### figure out what to do with srcdir
545     case "${srcdir}" in
546         ".")  # no -srcdir option.  We're building in place.
547                 makesrcdir=. ;;
548         /*) # absolute path
549                 makesrcdir=`echo ${srcdir}/${subdir} | sed -e 's|/\.$||'`
550                 ;;
551         *) # otherwise relative
552                 case "${subdir}" in
553                 .) makesrcdir=${srcdir} ;;
554                 *) makesrcdir=${invsubdir}${srcdir}/${subdir} ;;
555                 esac
556                 ;;
557     esac
558
559     if [ "${subdir}/" != "./" ] ; then
560         Makefile=${subdir}/Makefile
561     fi
562
563     if [ ! -d ${subdir} ] ; then
564         if mkdir ${subdir} ; then
565                 true
566         else
567                 echo '***' "${progname}: could not make ${PWD=`pwd`}/${subdir}" 1>&2
568                 exit 1
569         fi
570     fi
571
572     case "${removing}" in
573     "")
574         case "${subdir}" in
575         .) ;;
576         *) eval echo Building in ${subdir} ${redirect} ;;
577         esac
578
579         # FIXME Should this be done recursively ??? (Useful for e.g. gdbtest)
580         # Set up the list of links to be made.
581         # ${links} is the list of link names, and ${files} is the list of names to link to.
582
583         # Make the links.
584         configlinks="${links}"
585         if [ -r ${subdir}/config.status ] ; then
586                 mv -f ${subdir}/config.status ${subdir}/config.back
587         fi
588         while [ -n "${files}" ] ; do
589                 # set file to car of files, files to cdr of files
590                 set ${files}; file=$1; shift; files=$*
591                 set ${links}; link=$1; shift; links=$*
592
593                 if [ ! -r ${srcdir}/${file} ] ; then
594                         echo '***' "${progname}: cannot create a link \"${link}\"," 1>&2
595                         echo '***' "since the file \"${srcdir}/${file}\" does not exist." 1>&2
596                         exit 1
597                 fi
598
599                 ${remove} -f ${link}
600                 # Make a symlink if possible, otherwise try a hard link
601                 ${symbolic_link} ${srcdir}/${file} ${link} 2>/dev/null || ${hard_link} ${srcdir}/${file} ${link}
602
603                 if [ ! -r ${link} ] ; then
604                         echo '***' "${progname}: unable to link \"${link}\" to \"${srcdir}/${file}\"." 1>&2
605                         exit 1
606                 fi
607
608                 echo "Linked \"${link}\" to \"${srcdir}/${file}\"."
609         done
610
611         # Create a .gdbinit file which runs the one in srcdir
612         # and tells GDB to look there for source files.
613
614         if [ -r ${srcdir}/${subdir}/.gdbinit ] ; then
615                 case ${srcdir} in
616                 .) ;;
617                 *) cat > ${subdir}/.gdbinit <<EOF
618 # ${NO_EDIT}
619 dir .
620 dir ${makesrcdir}
621 source ${makesrcdir}/.gdbinit
622 EOF
623                         ;;
624                 esac
625         fi
626
627         # Install a makefile, and make it set VPATH
628         # if necessary so that the sources are found.
629         # Also change its value of srcdir.
630         # NOTE: Makefile generation constitutes the majority of the time in configure.  Hence, this section has
631         # been somewhat optimized and is perhaps a bit twisty.
632
633         # code is order so as to try to sed the smallest input files we know.
634
635         # the three makefile fragments MUST end up in the resulting Makefile in this order: target, host, and site.
636         # so do these separately because I don't trust the order of sed -e expressions.
637
638         # Conditionalize for this site from "Makefile.in" (or whatever it's called) into Makefile.tem
639         rm -f ${subdir}/Makefile.tem
640         case "${site}" in
641         "") cp ${srcdir}/${subdir}/${Makefile_in} ${subdir}/Makefile.tem ;;
642         *)
643                 site_makefile_frag=${srcdir}/config/ms-${site}
644
645                 if [ -f ${site_makefile_frag} ] ; then
646                         sed -e "/^####/  r ${site_makefile_frag}" ${srcdir}/${subdir}/${Makefile_in} \
647                                 > ${subdir}/Makefile.tem
648                 else
649                         cp ${srcdir}/${subdir}/${Makefile_in} ${subdir}/Makefile.tem
650                         site_makefile_frag=
651                 fi
652                 ;;
653         esac
654         # working copy now in ${subdir}/Makefile.tem
655
656         # Conditionalize the makefile for this host.
657         rm -f ${Makefile}
658         case "${host_makefile_frag}" in
659         "") mv ${subdir}/Makefile.tem ${Makefile} ;;
660         *)
661                 if [ ! -f ${host_makefile_frag} ] ; then
662                         host_makefile_frag=${srcdir}/${host_makefile_frag}
663                 fi
664                 if [ -f ${host_makefile_frag} ] ; then
665                         sed -e "/^####/  r ${host_makefile_frag}" ${subdir}/Makefile.tem > ${Makefile}
666                 else
667                         echo '***' Expected host makefile fragment \"${host_makefile_frag}\" 1>&2
668                         echo '***' is missing in ${PWD=`pwd`}. 1>&2
669                         mv ${subdir}/Makefile.tem ${Makefile}
670                 fi
671         esac
672         # working copy now in ${Makefile}
673
674         # Conditionalize the makefile for this target.
675         rm -f ${subdir}/Makefile.tem
676         case "${target_makefile_frag}" in
677         "") mv ${Makefile} ${subdir}/Makefile.tem ;;
678         *)
679                 if [ ! -f ${target_makefile_frag} ] ; then
680                         target_makefile_frag=${srcdir}/${target_makefile_frag}
681                 fi
682                 if [ -f ${target_makefile_frag} ] ; then
683                         sed -e "/^####/  r ${target_makefile_frag}" ${Makefile} > ${subdir}/Makefile.tem
684                 else
685                         mv ${Makefile} ${subdir}/Makefile.tem
686                         target_makefile_frag=
687                 fi
688                 ;;
689         esac
690         # real copy now in ${subdir}/Makefile.tem
691
692         # prepend warning about editting, and a bunch of variables.
693         rm -f ${Makefile}
694         cat > ${Makefile} <<EOF
695 # ${NO_EDIT}
696 VPATH = ${makesrcdir}
697 links = ${configlinks}
698 host_alias = ${host_alias}
699 host_cpu = ${host_cpu}
700 host_vendor = ${host_vendor}
701 host_os = ${host_os}
702 host_canonical = ${host_cpu}-${host_vendor}-${host_os}
703 target_alias = ${target_alias}
704 target_cpu = ${target_cpu}
705 target_vendor = ${target_vendor}
706 target_os = ${target_os}
707 target_canonical = ${target_cpu}-${target_vendor}-${target_os}
708 EOF
709         case "${target_makefile_frag}" in
710         "") ;;
711         /*)
712   echo target_makefile_frag = ${target_makefile_frag} >>${Makefile} ;;
713         *)
714   echo target_makefile_frag = ${invsubdir}${target_makefile_frag} >>${Makefile} ;;
715         esac
716
717         case "${host_makefile_frag}" in
718         "") ;;
719         /*)
720   echo host_makefile_frag = ${host_makefile_frag} >>${Makefile} ;;
721         *)
722   echo host_makefile_frag = ${invsubdir}${host_makefile_frag} >>${Makefile} ;;
723         esac
724
725         if [ "${site_makefile_frag}" != "" ] ; then
726             echo site_makefile_frag = ${invsubdir}${site_makefile_frag} >>${Makefile}
727         fi 
728
729         # fixme: this shouldn't be in configure.
730         # Define macro CROSS_COMPILE in compilation if this is a cross-compiler.
731         case "${host_alias}" in
732         "${target_alias}")
733                 echo "ALL=all.internal" >> ${Makefile}
734                 ;;
735         *)
736                 echo "CROSS=-DCROSS_COMPILE" >> ${Makefile}
737                 echo "ALL=all.cross" >> ${Makefile}
738                 ;;
739         esac
740
741         # reset prefix, exec_prefix, srcdir, SUBDIRS, NONSUBDIRS,
742         # remove any form feeds.
743         if [ -z "${subdirs}" ]; then
744             rm -f ${subdir}/Makefile.tem2
745             sed -e "s:^SUBDIRS[         ]*=.*$:SUBDIRS = ${configdirs}:" \
746                 -e "s:^NONSUBDIRS[      ]*=.*$:NONSUBDIRS = ${noconfigdirs}:" \
747                 ${subdir}/Makefile.tem > ${subdir}/Makefile.tem2
748             rm -f ${subdir}/Makefile.tem
749             mv ${subdir}/Makefile.tem2 ${subdir}/Makefile.tem
750         fi
751         sed -e "s:^prefix[      ]*=.*$:prefix = ${prefix}:" \
752                 -e "s:^exec_prefix[     ]*=.*$:exec_prefix = ${exec_prefix}:" \
753                 -e "s:^srcdir[  ]*=.*$:srcdir = ${makesrcdir}:" \
754                 -e "s/\f//" \
755                 -e "s:^program_prefix[  ]*=.*$:program_prefix = ${program_prefix}:" \
756                 -e "s:^program_suffix[  ]*=.*$:program_suffix = ${program_suffix}:" \
757                 -e "s:^program_transform_name[  ]*=.*$:program_transform_name = ${program_transform_name}:" \
758                 -e "s:^tooldir[         ]*=.*$:tooldir = ${tooldir}:" \
759                 ${subdir}/Makefile.tem >> ${Makefile}
760         # final copy now in ${Makefile}
761
762         rm -f ${subdir}/Makefile.tem
763
764         case "${host_makefile_frag}" in
765         "") using= ;;
766         *) using="and \"${host_makefile_frag}\"" ;;
767         esac
768
769         case "${target_makefile_frag}" in
770         "") ;;
771         *) using="${using} and \"${target_makefile_frag}\"" ;;
772         esac
773
774         case "${site_makefile_frag}" in
775         "") ;;
776         *) using="${using} and \"${site_makefile_frag}\"" ;;
777         esac
778
779         newusing=`echo "${using}" | sed 's/and/using/'`
780         using=${newusing}
781         echo "Created \"${Makefile}\" in" ${PWD=`pwd`} ${using}
782
783         . ${tmpfile}.pos
784
785         # describe the chosen configuration in config.status.
786         # Make that file a shellscript which will reestablish
787         # the same configuration.  Used in Makefiles to rebuild
788         # Makefiles.
789
790         case "${norecursion}" in
791         "") arguments="${arguments} -norecursion" ;;
792         *) ;;
793         esac
794
795         if [ ${subdir} = . ] ; then
796             echo "#!/bin/sh
797 # ${NO_EDIT}
798 # This directory was configured as follows:
799 ${progname}" ${arguments}  "
800 # ${using}" > ${subdir}/config.new
801         else
802             echo "#!/bin/sh
803 # ${NO_EDIT}
804 # This directory was configured as follows:
805 cd ${invsubdir}
806 ${progname}" ${arguments}  "
807 # ${using}" > ${subdir}/config.new
808         fi
809         chmod a+x ${subdir}/config.new
810         if [ -r ${subdir}/config.back ] ; then
811                 mv -f ${subdir}/config.back ${subdir}/config.status
812         fi
813         ${moveifchange} ${subdir}/config.new ${subdir}/config.status
814         ;;
815
816     *)  rm -f ${Makefile} ${subdir}/config.status ${links} ;;
817     esac
818 done
819
820 # If there are subdirectories, then recur. 
821 if [ -z "${norecursion}" -a -n "${configdirs}" ] ; then 
822         for configdir in ${configdirs} ; do
823
824                 if [ -d ${srcdir}/${configdir} ] ; then
825                         eval echo Configuring ${configdir}... ${redirect}
826                         case "${srcdir}" in
827                         ".") ;;
828                         *)
829                                 if [ ! -d ./${configdir} ] ; then
830                                         if mkdir ./${configdir} ; then
831                                                 true
832                                         else
833                                                 echo '***' "${progname}: could not make ${PWD=`pwd`}/${configdir}" 1>&2
834                                                 exit 1
835                                         fi
836                                 fi
837                                 ;;
838                         esac
839
840                         POPDIR=${PWD=`pwd`}
841                         cd ${configdir} 
842
843 ### figure out what to do with srcdir
844                         case "${srcdir}" in
845                         ".") newsrcdir=${srcdir} ;; # no -srcdir option.  We're building in place.
846                         /*) # absolute path
847                                 newsrcdir=${srcdir}/${configdir}
848                                 srcdiroption="-srcdir=${newsrcdir}"
849                                 ;;
850                         *) # otherwise relative
851                                 newsrcdir=../${srcdir}/${configdir}
852                                 srcdiroption="-srcdir=${newsrcdir}"
853                                 ;;
854                         esac
855
856 ### check for guested configure, otherwise fix possibly relative progname
857                         if [ -f ${newsrcdir}/configure ] ; then
858                                 recprog=${newsrcdir}/configure
859                         else
860                                 case "${progname}" in
861                                 /*)     recprog=${progname} ;;
862                                 *)      recprog=../${progname} ;;
863                                 esac
864                         fi
865
866 ### The recursion line is here.
867                         if eval ${recprog} ${verbose} ${host_alias} -target=${target_alias} \
868                                 ${prefixoption} ${tmpdiroption} ${exec_prefixoption} \
869                                 ${srcdiroption} ${program_prefixoption} ${program_suffixoption} ${program_transform_nameoption} ${site_option} ${withoptions} ${removing} ${redirect} ; then
870                                 true
871                         else
872                                 exit 1
873                         fi
874
875                         cd ${POPDIR}
876                 fi
877         done
878 fi
879
880 exit 0
881
882 #
883 # Local Variables:
884 # fill-column: 131
885 # End:
886 #
887
888 # end of configure