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Text File  |  1993-05-05  |  38KB  |  939 lines
  1. #!/bin/sh
  2.  
  3. ### WARNING: this file contains embedded tabs.  Do not run untabify on this file.
  4.  
  5. # Configuration script
  6. #   Copyright (C) 1988, 1990, 1991, 1992, 1993 Free Software Foundation, Inc.
  7.  
  8. # This program is free software; you can redistribute it and/or modify
  9. # it under the terms of the GNU General Public License as published by
  10. # the Free Software Foundation; either version 2 of the License, or
  11. # (at your option) any later version.
  12. # 
  13. # This program is distributed in the hope that it will be useful,
  14. # but WITHOUT ANY WARRANTY; without even the implied warranty of
  15. # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16. # GNU General Public License for more details.
  17. # 
  18. # You should have received a copy of the GNU General Public License
  19. # along with this program; if not, write to the Free Software
  20. # Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.  */
  21.  
  22. # Please email any bugs, comments, and/or additions to this file to:
  23. # configure@cygnus.com
  24.  
  25. # This file was written by K. Richard Pixley.
  26.  
  27. #
  28. # Shell script to create proper links to machine-dependent files in
  29. # preparation for compilation.
  30. #
  31. # If configure succeeds, it leaves its status in config.status.
  32. # If configure fails after disturbing the status quo, 
  33. #       config.status is removed.
  34. #
  35.  
  36. export PATH || (echo "OOPS, this isn't sh.  Desperation time.  I will feed myself to sh."; sh $0 $argv; kill $$)
  37.  
  38. remove=rm
  39. hard_link=ln
  40. symbolic_link='ln -s'
  41.  
  42. #for Test
  43. #remove="echo rm"
  44. #hard_link="echo ln"
  45. #symbolic_link="echo ln -s"
  46.  
  47. # clear some things potentially inherited from environment.
  48.  
  49. Makefile=Makefile
  50. Makefile_in=Makefile.in
  51. arguments=$*
  52. configdirs=
  53. exec_prefix=
  54. exec_prefixoption=
  55. fatal=
  56. floating_point=default
  57. gas=default
  58. host_alias=
  59. host_makefile_frag=
  60. moveifchange=
  61. next_host=
  62. next_prefix=
  63. next_site=
  64. next_srcdir=
  65. next_target=
  66. next_tmpdir=
  67. norecursion=
  68. package_makefile_frag=
  69. prefix=/usr/local
  70. progname=
  71. program_prefix=
  72. program_prefixoption=
  73. program_suffix=
  74. program_suffixoption=
  75. program_transform_name=
  76. program_transform_nameoption=
  77. redirect=">/dev/null"
  78. removing=
  79. site=
  80. site_makefile_frag=
  81. site_option=
  82. srcdir=
  83. srctrigger=
  84. subdirs=
  85. target_alias=
  86. target_makefile_frag=
  87. undefinedargs=
  88. version="$Revision: 1.154 $"
  89. x11=default
  90.  
  91. NO_EDIT="This file was generated automatically by configure.  Do not edit."
  92.  
  93. ## this is a little touchy and won't always work, but...
  94. ##
  95. ## if the argv[0] starts with a slash then it is an absolute name that can (and
  96. ## must) be used as is.
  97. ##
  98. ## otherwise, if argv[0] has no slash in it, we can assume that it is on the
  99. ## path.  Since PATH might include "." we also add `pwd` to the end of PATH.
  100. ##
  101.  
  102. progname=$0
  103. # if PWD already has a value, it is probably wrong.
  104. if [ -n "$PWD" ]; then PWD=`pwd`; fi
  105.  
  106. case "${progname}" in
  107. /*) ;;
  108. */*) ;;
  109. *)
  110.         PATH=$PATH:${PWD=`pwd`} ; export PATH
  111.         ;;
  112. esac
  113.  
  114. for arg in $*;
  115. do
  116.         # handle things that might have args following as separate words
  117.         if [ -n "${next_prefix}" ] ; then prefix=${arg} ; prefixoption="-prefix=${prefix}" ; next_prefix=
  118.         elif [ -n "${next_exec_prefix}" ] ; then
  119.                 exec_prefix=${arg}
  120.                 exec_prefixoption="-exec_prefix=${exec_prefix}"
  121.                 next_exec_prefix=
  122.         elif [ -n "${next_site}" ] ; then site=${arg} ; site_option=-site=${site} ; next_site=
  123.         # remove any possible trailing slash from srcdir.  See note below.
  124.         elif [ -n "${next_srcdir}" ] ; then srcdir=`echo ${arg} | sed -e 's:/$::'` ; next_srcdir=
  125.         elif [ -n "${next_program_prefix}" ] ; then
  126.                 program_prefix=${arg}
  127.                 program_prefixoption="-program_prefix=${program_prefix}"
  128.                 next_program_prefix=
  129.         elif [ -n "${next_program_suffix}" ] ; then
  130.                 program_suffix=${arg}
  131.                 program_suffixoption="-program_suffix=${program_suffix}"
  132.                 next_program_suffix=
  133.         elif [ -n "${next_program_transform_name}" ] ; then
  134.                 # Double any backslashes or dollar signs in the argument
  135.         if [ -n "${arg}" ] ; then
  136.             program_transform_name="${program_transform_name} -e `echo ${arg} | sed -e 's/\\\\/\\\\\\\\/g' -e 's/\\\$/$$/g'`"
  137.         fi
  138.                 program_transform_nameoption="${program_transform_nameoption} --program-transform-name='${arg}'"
  139.                 next_program_transform_name=
  140.         elif [ -n "${next_target}" ] ; then
  141.                 next_target=
  142.                 case "${target_alias}" in
  143.                 "")
  144.                         target_alias="${arg}"
  145.                         ;;
  146.                 *)
  147.                         echo '***' Can only configure for one target at a time.  1>&2
  148.                         fatal=yes
  149.                         ;;
  150.                 esac
  151.         elif [ -n "${next_tmpdir}" ] ; then
  152.                 next_tmpdir=
  153.                 tmpdiroption="--tmpdir=${arg}"
  154.                 TMPDIR=${arg}
  155.  
  156.         else
  157.                 case ${arg} in
  158.                 -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-=* )
  159.                         exec_prefix=`echo ${arg} | sed 's/^[-a-z_]*=//'`
  160.                         exec_prefixoption=${arg}
  161.                         ;;
  162.                 -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-)
  163.                         next_exec_prefix=yes
  164.                         ;;
  165.                 -gas | --g*)
  166.                         gas=yes
  167.                         ;;
  168.                 -help | --he*)
  169.                         fatal=true
  170.                         ;;
  171.                 -host=* | --host=* | --hos=* | --ho=*)
  172.                         case "${host_alias}" in
  173.                         "")
  174.                                 host_alias="`echo ${arg} | sed 's/^[-a-z]*=//'`"
  175.                                 ;;
  176.                         *)
  177.                                 echo '***' Can only configure for one host at a time.  1>&2
  178.                                 fatal=yes
  179.                                 ;;
  180.                         esac
  181.                         ;;
  182.                 -nfp | --nf*)
  183.                         floating_point=no
  184.                         ;;
  185.                 -norecursion | --no*)
  186.                         norecursion=true
  187.                         ;;
  188.                 -prefix=* | --prefix=* | --prefi=* | --pref=* | --pre=*)
  189.                         prefix=`echo ${arg} | sed 's/^[-a-z]*=//'`
  190.                         prefixoption=${arg}
  191.                         ;;
  192.                 -prefix | --prefix | --prefi | --pref | --pre)
  193.                         next_prefix=yes
  194.                         ;;
  195.                 -rm | --rm) removing=${arg} ;;
  196.                 -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=*)
  197.                         program_prefix=`echo ${arg} | sed 's/^[-a-z_]*=//'`
  198.                         program_prefixoption=${arg}
  199.                         ;;
  200.                 -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)
  201.                         next_program_prefix=yes
  202.                         ;;
  203.                 -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=*)
  204.                         program_suffix=`echo ${arg} | sed 's/^[-a-z_]*=//'`
  205.                         program_suffixoption=${arg}
  206.                         ;;
  207.                 -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)
  208.                         next_program_suffix=yes
  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.             arg=`echo ${arg} | sed -e 's/^[-a-z_]*=//'`
  212.                         # Double any \ or $ in the argument
  213.             if [ -n "${arg}" ] ; then
  214.                             program_transform_name="${program_transform_name} -e `echo ${arg} | sed -e 's/\\\\/\\\\\\\\/g' -e 's/\\\$/$$/g'`"
  215.             fi
  216.                         program_transform_nameoption="${program_transform_nameoption} --program-transform-name='${arg}'"
  217.                         ;;
  218.                 -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)
  219.                         next_program_transform_name=yes
  220.                         ;;
  221.                 -site=* | --site=* | --sit=* | --si=*)
  222.                         site_option=${arg}
  223.                         site=`echo ${arg} | sed 's/^[-a-z]*=//'`
  224.                         ;;
  225.                 -site | --site | --sit)
  226.                         next_site=yes
  227.                         ;;
  228.                 # remove trailing slashes.  Otherwise, when the file name gets
  229.                 # bolted into an object file as debug info, it has two slashes in
  230.                 # it.  Ordinarily this is ok, but emacs takes double slash to
  231.                 # mean "forget the first part".
  232.                 -srcdir=* | --srcdir=* | --srcdi=* | --srcd=* | --src=* | --sr=*)
  233.                         srcdir=`echo ${arg} | sed 's/^[-a-z]*=//' | sed -e 's:/$::'`
  234.                         ;;
  235.                 -srcdir | --srcdir | --srcdi | --srcd | --src | --sr)
  236.                         next_srcdir=yes
  237.                         ;;
  238.                 -target=* | --target=* | --targe=* | --targ=* | --tar=* | --ta=*)
  239.                         case "${target_alias}" in
  240.                         "") target_alias="`echo ${arg} | sed 's/^[-a-z]*=//'`" ;;
  241.                         *)
  242.                                 echo '***' Can only configure for one target at a time.  1>&2
  243.                                 fatal=yes
  244.                                 ;;
  245.                         esac
  246.                         ;;
  247.                 -target | --target | --targe | --targ | --tar | --ta)
  248.                         next_target=yes
  249.                         ;;
  250.                 -tmpdir=* | --tmpdir=* | --tmpdi=* | --tmpd=* | --tmp=* | --tm=*)
  251.                         tmpdiroption=${arg}
  252.                         TMPDIR=`echo ${arg} | sed 's/^[-a-z]*=//'`
  253.                         ;;
  254.                 -tmpdir | --tmpdir | --tmpdi | --tmpd | --tmp | --tm)
  255.                         next_tmpdir=yes
  256.                         ;;
  257.                 -v | -verbose | --v)
  258.                         redirect=
  259.                         verbose=-v
  260.                         ;;
  261.                 -version | -V | --version | --V)
  262.                         echo "This is Cygnus Configure version" `echo ${version} | sed 's/[ $:]//g'`
  263.                         exit 0
  264.                         ;;
  265.                 -with*=* | --with*=*)
  266.                         withopt=`echo ${arg} | sed 's:^-*\(with[^=]*\)=.*$:\1:;s/-/_/g'`
  267.                         withval=`echo ${arg} | sed 's:^-*with[^=]*=\(.*\)$:\1:'`
  268.                         eval $withopt="$withval"
  269.                         withoptions="$withoptions $arg"
  270.                         ;;
  271.                 -without* | --without*)
  272.                         withopt=`echo ${arg} | sed 's:^-*without:with:;s/-/_/g'`        
  273.                         eval $withopt=no
  274.                         withoutoptions="$withoutoptions $arg"
  275.                         ;;
  276.                 -with* | --with*)
  277.                         withopt=`echo ${arg} | sed 's:^-*with:with:;s/-/_/g'`
  278.                         eval $withopt=yes
  279.                         withoptions="$withoptions $arg"
  280.                         ;;
  281.                 -x | --x) ;;
  282.                 -* | --*)
  283.                         (echo ;
  284.                         echo "Unrecognized option: \"${arg}\"". ;
  285.                         echo) 1>&2
  286.                         fatal=true
  287.                         ;;
  288.                 *)
  289.                         case "${undefs}" in
  290.                         "")
  291.                                 undefs="${arg}"
  292.                                 ;;
  293.                         *)
  294.                                 echo '***' Can only configure for one host and one target at a time.  1>&2
  295.                                 fatal=yes
  296.                                 ;;
  297.                         esac
  298.                         ;;
  299.                 esac
  300.         fi
  301. done
  302.  
  303. # process host and target
  304. case "${fatal}" in
  305. "")
  306. #       # Complain if an arg is missing
  307. #       if [ -z "${host_alias}" ] ; then
  308. #               (echo ;
  309. #               echo "configure: No HOST specified." ;
  310. #               echo) 1>&2
  311. #               fatal=true
  312. #       fi
  313.  
  314. ### This is a bit twisted.
  315. ### * if all three are specified, this is an error.
  316. ### * if we have neither hosts, nor unadorned args, this is an error.
  317. ### * if no hosts are specified, then the unadorned args are hosts, but if
  318. ### there were none, this is an error.
  319. ### * if no targets are specified, then the unadorned args are targets, but if
  320. ### there were no unadorned args, then the hosts are also targets.
  321.  
  322.         if [ -n "${host_alias}" -a -n "${target_alias}" -a -n "${undefs}" ] ; then
  323.                 echo '***' Can only configure for one host and one target at a time.  1>&2
  324.                 fatal=yes
  325.         elif [ -z "${host_alias}" -a -z "${undefs}" ] ; then
  326.                 echo '- You did not tell me what kind of host system you want to configure.
  327. - I will attempt to guess the kind of system this is.' 1>&2
  328.                 guesssys=`echo ${progname} | sed 's/configure$/config.guess/'`
  329.                 if tmp_alias=`${guesssys}` ; then
  330.                         echo "- Looks like this is a ${tmp_alias}" 1>&2
  331.                         host_alias=${tmp_alias}
  332.             case "${target_alias}" in
  333.             "") target_alias=${tmp_alias} ;;
  334.             *) ;;
  335.             esac
  336.             arguments="--host=${host_alias} ${arguments}"
  337.                 else
  338.                         echo '- Failed to guess the system type.  You need to tell me.' 1>&2
  339.                         fatal=yes
  340.                 fi
  341.         else
  342.                 case "${host_alias}" in
  343.                 "") host_alias=${undefs} ;;
  344.                 *) ;;
  345.                 esac
  346.  
  347.                 case "${target_alias}" in
  348.                 "")
  349.                         case "${undefs}" in
  350.                         "")     target_alias=${host_alias} ;;
  351.                         *)      target_alias=${undefs} ;;
  352.                         esac
  353.                         ;;
  354.                 *) ;;
  355.                 esac
  356.         fi
  357.         ;;
  358. *) ;;
  359. esac
  360.  
  361. if [ -n "${fatal}" -o "${host_alias}" = "help" ] ; then
  362.         (echo "Usage: configure HOST" ;
  363.         echo ;
  364.         echo "Options: [defaults in brackets]" ;
  365.         echo " -prefix=MYDIR            configure for installation of host dependent files into MYDIR. [\"/usr/local\"]" ;
  366.         echo " -exec-prefix=MYDIR       configure for installation of host dependent files into MYDIR. [\"/usr/local\"]" ;
  367.         echo " -help                    print this message. [normal config]" ;
  368.         echo " -norecursion             configure this directory only. [recurse]" ;
  369.         echo " -program-prefix=FOO      install programs with FOO prepended to their names. [ \"\" ]" ;
  370.         echo " -program-suffix=FOO      install programs with FOO appended to their names. [ \"\" ]" ;
  371.         echo " -program-transform-name=FOO      install programs with names transformed by sed pattern FOO. [ \"\" ]" ;
  372.         echo " -site=SITE               configure with site specific makefile for SITE" ;
  373.         echo " -srcdir=DIR              find the sources in DIR. [\".\" or \"..\"]" ;
  374.         echo " -target=TARGET           configure for TARGET.  [TARGET = HOST]" ;
  375.         echo " -tmpdir=TMPDIR           create temporary files in TMPDIR.  [ TMPDIR = \"/tmp\" ]" ;
  376.         echo " -nfp                     configure the compilers default to soft floating point. [hard float]" ;
  377.         echo " -with-FOO, -with-FOO=BAR specify that FOO is available"
  378.         echo " -without-FOO             specify that FOO is NOT available"
  379.         echo ;
  380.         echo "Where HOST and TARGET are something like \"vax\", \"sun3\", \"encore\", etc." ;
  381.         echo ;
  382.         ) 1>&2
  383.         if [ -r config.status ] ; then
  384.                 cat config.status
  385.         fi
  386.  
  387.         exit 1
  388. fi
  389.  
  390. configsub=`echo ${progname} | sed 's/configure$/config.sub/'`
  391. moveifchange=`echo ${progname} | sed 's/configure$/move-if-change/'`
  392.  
  393. # this is a hack.  sun4 must always be a valid host alias or this will fail.
  394. if ${configsub} sun4 >/dev/null 2>&1 ; then
  395.         true
  396. else
  397.         echo '***' cannot find config.sub.  1>&2
  398.         exit 1
  399. fi
  400.  
  401. touch config.junk
  402. if ${moveifchange} config.junk config.trash ; then
  403.         true
  404. else
  405.         echo '***' cannot find move-if-change.  1>&2
  406.         exit 1
  407. fi
  408. rm -f config.junk config.trash
  409.  
  410. case "${srcdir}" in
  411. "")
  412.         if [ -r configure.in ] ; then
  413.                 srcdir=.
  414.         else
  415.                 if [ -r ${progname}.in ] ; then
  416.                         srcdir=`echo ${progname} | sed 's:/configure$::'`
  417.                 else
  418.                         echo '***' "Can't find configure.in.  Try using -srcdir=some_dir"  1>&2
  419.                         exit 1
  420.                 fi
  421.         fi
  422.         ;;
  423. *) ;;
  424. esac
  425.  
  426. ### warn about some conflicting configurations.
  427.  
  428. case "${srcdir}" in
  429. ".") ;;
  430. *)
  431.         if [ -f ${srcdir}/config.status ] ; then
  432.                 echo '***' Cannot configure here in \"${PWD=`pwd`}\" when \"${srcdir}\" is currently configured. 1>&2
  433.                 exit 1
  434.         fi
  435. esac
  436.  
  437. # default exec_prefix
  438. case "${exec_prefix}" in
  439. "") exec_prefix="\$(prefix)" ;;
  440. *) ;;
  441. esac
  442.  
  443. ### break up ${srcdir}/configure.in.
  444. case "`grep '^# per\-host:' ${srcdir}/configure.in`" in
  445. "")
  446.         echo '***' ${srcdir}/configure.in has no "per-host:" line. 1>&2
  447.         exit 1
  448.         ;;
  449. *) ;;
  450. esac
  451.  
  452. case "`grep '^# per\-target:' ${srcdir}/configure.in`" in
  453. "")
  454.         echo '***' ${srcdir}/configure.in has no "per-target:" line. 1>&2
  455.         exit 1
  456.         ;;
  457. *) ;;
  458. esac
  459.  
  460. case "${TMPDIR}" in
  461. "") TMPDIR=/tmp ; export TMPDIR ;;
  462. *) ;;
  463. esac
  464.  
  465. # keep this filename short for &%*%$*# 14 char file names
  466. tmpfile=${TMPDIR}/cONf$$
  467. trap "rm -f ${tmpfile}.com ${tmpfile}.tgt ${tmpfile}.hst ${tmpfile}.pos" 0
  468.  
  469. # split ${srcdir}/configure.in into common, per-host, per-target,
  470. # and post-target parts.  Post-target is optional.
  471. sed -e '/^# per\-host:/,$d' ${srcdir}/configure.in > ${tmpfile}.com
  472. sed -e '1,/^# per\-host:/d' -e '/^# per\-target:/,$d' ${srcdir}/configure.in > ${tmpfile}.hst
  473. if grep '^# post-target:' ${srcdir}/configure.in >/dev/null ; then
  474.   sed -e '1,/^# per\-target:/d' -e '/^# post\-target:/,$d' ${srcdir}/configure.in > ${tmpfile}.tgt
  475.   sed -e '1,/^# post\-target:/d' ${srcdir}/configure.in > ${tmpfile}.pos
  476. else
  477.   sed -e '1,/^# per\-target:/d' ${srcdir}/configure.in > ${tmpfile}.tgt
  478.   echo >${tmpfile}.pos
  479. fi
  480.  
  481. ### do common part of configure.in
  482.  
  483. . ${tmpfile}.com
  484.  
  485. # some sanity checks on configure.in
  486. case "${srctrigger}" in
  487. "")
  488.         echo '***' srctrigger not set in ${PWD=`pwd`}/configure.in.  1>&2
  489.         exit 1
  490.         ;;
  491. *) ;;
  492. esac
  493.  
  494. result=`${configsub} ${host_alias}`
  495. host_cpu=`echo $result | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\1/'`
  496. host_vendor=`echo $result | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\2/'`
  497. host_os=`echo $result | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\3/'`
  498. host=${host_cpu}-${host_vendor}-${host_os}
  499.  
  500. . ${tmpfile}.hst
  501.  
  502. result=`${configsub} ${target_alias}`
  503. target_cpu=`echo $result | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\1/'`
  504. target_vendor=`echo $result | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\2/'`
  505. target_os=`echo $result | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\3/'`
  506. target=${target_cpu}-${target_vendor}-${target_os}
  507.  
  508. . ${tmpfile}.tgt
  509.  
  510. # Find the source files, if location was not specified.
  511. case "${srcdir}" in
  512. "")
  513.         srcdirdefaulted=1
  514.         srcdir=.
  515.         if [ ! -r ${srctrigger} ] ; then
  516.                 srcdir=..
  517.         fi
  518.         ;;
  519. *) ;;
  520. esac
  521.  
  522. if [ ! -r ${srcdir}/${srctrigger} ] ; then
  523.         case "${srcdirdefaulted}" in
  524.         "") echo '***' "${progname}: Can't find ${srcname} sources in ${PWD=`pwd`}/${srcdir}" 1>&2 ;;
  525.         *)  echo '***' "${progname}: Can't find ${srcname} sources in ${PWD=`pwd`}/. or ${PWD=`pwd`}/.." 1>&2 ;;
  526.         esac
  527.  
  528.         echo '***' \(At least ${srctrigger} is missing.\) 1>&2
  529.         exit 1
  530. fi
  531.  
  532. # Some systems (e.g., one of the i386-aix systems the gas testers are
  533. # using) don't handle "\$" correctly, so don't use it here.
  534. tooldir='$(exec_prefix)'/${target_alias}
  535.  
  536. if [ "${host_alias}" != "${target_alias}" ] ; then
  537.     if [ "${program_prefixoption}" = "" ] ; then
  538.         if [ "${program_suffixoption}" = "" ] ; then 
  539.             if [ "${program_transform_nameoption}" = "" ] ; then
  540.                 program_prefix=${target_alias}- ;
  541.             fi
  542.         fi
  543.     fi
  544. fi
  545.  
  546. # Merge program_prefix and program_suffix onto program_transform_name
  547. # Use a double $ so that make ignores it
  548. if [ "${program_suffix}" != "" ] ; then
  549.     program_transform_name="-e s/\$\$/${program_suffix}/ ${program_transform_name}"
  550. fi
  551.  
  552. if [ "${program_prefix}" != "" ] ; then
  553.     program_transform_name="-e s/^/${program_prefix}/ ${program_transform_name}"
  554. fi
  555.  
  556. for subdir in . ${subdirs} ; do
  557.  
  558.     # ${subdir} is relative path from . to the directory we're currently
  559.     # configuring.
  560.     # ${invsubdir} is inverse of ${subdir), *with* trailing /, if needed.
  561.     invsubdir=`echo ${subdir}/ | sed -e 's|\./||g' -e 's|[^/]*/|../|g'`
  562.  
  563.     ### figure out what to do with srcdir
  564.     case "${srcdir}" in
  565.         ".")  # no -srcdir option.  We're building in place.
  566.                 makesrcdir=. ;;
  567.         /*) # absolute path
  568.                 makesrcdir=`echo ${srcdir}/${subdir} | sed -e 's|/\.$||'`
  569.                 ;;
  570.         *) # otherwise relative
  571.                 case "${subdir}" in
  572.                 .) makesrcdir=${srcdir} ;;
  573.                 *) makesrcdir=${invsubdir}${srcdir}/${subdir} ;;
  574.                 esac
  575.                 ;;
  576.     esac
  577.  
  578.     if [ "${subdir}/" != "./" ] ; then
  579.         Makefile=${subdir}/Makefile
  580.     fi
  581.  
  582.     if [ ! -d ${subdir} ] ; then
  583.         if mkdir ${subdir} ; then
  584.                 true
  585.         else
  586.                 echo '***' "${progname}: could not make ${PWD=`pwd`}/${subdir}" 1>&2
  587.                 exit 1
  588.         fi
  589.     fi
  590.  
  591.     case "${removing}" in
  592.     "")
  593.         case "${subdir}" in
  594.         .) ;;
  595.         *) eval echo Building in ${subdir} ${redirect} ;;
  596.         esac
  597.  
  598.         # FIXME Should this be done recursively ??? (Useful for e.g. gdbtest)
  599.         # Set up the list of links to be made.
  600.         # ${links} is the list of link names, and ${files} is the list of names to link to.
  601.  
  602.         # Make the links.
  603.         configlinks="${links}"
  604.         if [ -r ${subdir}/config.status ] ; then
  605.                 mv -f ${subdir}/config.status ${subdir}/config.back
  606.         fi
  607.         while [ -n "${files}" ] ; do
  608.                 # set file to car of files, files to cdr of files
  609.                 set ${files}; file=$1; shift; files=$*
  610.                 set ${links}; link=$1; shift; links=$*
  611.  
  612.                 if [ ! -r ${srcdir}/${file} ] ; then
  613.                         echo '***' "${progname}: cannot create a link \"${link}\"," 1>&2
  614.                         echo '***' "since the file \"${srcdir}/${file}\" does not exist." 1>&2
  615.                         exit 1
  616.                 fi
  617.  
  618.                 ${remove} -f ${link}
  619.                 # Make a symlink if possible, otherwise try a hard link
  620.                 ${symbolic_link} ${srcdir}/${file} ${link} 2>/dev/null || ${hard_link} ${srcdir}/${file} ${link}
  621.  
  622.                 if [ ! -r ${link} ] ; then
  623.                         echo '***' "${progname}: unable to link \"${link}\" to \"${srcdir}/${file}\"." 1>&2
  624.                         exit 1
  625.                 fi
  626.  
  627.                 echo "Linked \"${link}\" to \"${srcdir}/${file}\"."
  628.         done
  629.  
  630.         # Create a .gdbinit file which runs the one in srcdir
  631.         # and tells GDB to look there for source files.
  632.  
  633.         if [ -r ${srcdir}/${subdir}/.gdbinit ] ; then
  634.                 case ${srcdir} in
  635.                 .) ;;
  636.                 *) cat > ${subdir}/.gdbinit <<EOF
  637. # ${NO_EDIT}
  638. dir .
  639. dir ${makesrcdir}
  640. source ${makesrcdir}/.gdbinit
  641. EOF
  642.                         ;;
  643.                 esac
  644.         fi
  645.  
  646.         # Install a makefile, and make it set VPATH
  647.         # if necessary so that the sources are found.
  648.         # Also change its value of srcdir.
  649.         # NOTE: Makefile generation constitutes the majority of the time in configure.  Hence, this section has
  650.         # been somewhat optimized and is perhaps a bit twisty.
  651.  
  652.         # code is order so as to try to sed the smallest input files we know.
  653.  
  654.         # the four makefile fragments MUST end up in the resulting Makefile in this order: 
  655.         # package, target, host, and site.  so do these separately because I don't trust the
  656.         #  order of sed -e expressions.
  657.  
  658.         if [ -f ${srcdir}/${subdir}/${Makefile_in} ] ; then
  659.  
  660.             # Conditionalize for this site from "Makefile.in" (or whatever it's called) into Makefile.tem
  661.             rm -f ${subdir}/Makefile.tem
  662.               case "${site}" in
  663.               "") cp ${srcdir}/${subdir}/${Makefile_in} ${subdir}/Makefile.tem ;;
  664.               *)
  665.                       site_makefile_frag=${srcdir}/config/ms-${site}
  666.  
  667.                       if [ -f ${site_makefile_frag} ] ; then
  668.                               sed -e "/^####/  r ${site_makefile_frag}" ${srcdir}/${subdir}/${Makefile_in} \
  669.                                       > ${subdir}/Makefile.tem
  670.                       else
  671.                               cp ${srcdir}/${subdir}/${Makefile_in} ${subdir}/Makefile.tem
  672.                               site_makefile_frag=
  673.                       fi
  674.                       ;;
  675.             esac
  676.             # working copy now in ${subdir}/Makefile.tem
  677.  
  678.             # Conditionalize the makefile for this host.
  679.             rm -f ${Makefile}
  680.             case "${host_makefile_frag}" in
  681.               "") mv ${subdir}/Makefile.tem ${Makefile} ;;
  682.               *)
  683.                       if [ ! -f ${host_makefile_frag} ] ; then
  684.                               host_makefile_frag=${srcdir}/${host_makefile_frag}
  685.                       fi
  686.                       if [ -f ${host_makefile_frag} ] ; then
  687.                               sed -e "/^####/  r ${host_makefile_frag}" ${subdir}/Makefile.tem > ${Makefile}
  688.                       else
  689.                               echo '***' Expected host makefile fragment \"${host_makefile_frag}\" 1>&2
  690.                               echo '***' is missing in ${PWD=`pwd`}. 1>&2
  691.                               mv ${subdir}/Makefile.tem ${Makefile}
  692.                       fi
  693.             esac
  694.             # working copy now in ${Makefile}
  695.  
  696.             # Conditionalize the makefile for this target.
  697.             rm -f ${subdir}/Makefile.tem
  698.             case "${target_makefile_frag}" in
  699.               "") mv ${Makefile} ${subdir}/Makefile.tem ;;
  700.               *)
  701.                       if [ ! -f ${target_makefile_frag} ] ; then
  702.                               target_makefile_frag=${srcdir}/${target_makefile_frag}
  703.                       fi
  704.                       if [ -f ${target_makefile_frag} ] ; then
  705.                               sed -e "/^####/  r ${target_makefile_frag}" ${Makefile} > ${subdir}/Makefile.tem
  706.                       else
  707.                               mv ${Makefile} ${subdir}/Makefile.tem
  708.                               target_makefile_frag=
  709.                       fi
  710.                       ;;
  711.             esac
  712.             # real copy now in ${subdir}/Makefile.tem
  713.  
  714.             # Conditionalize the makefile for this package.
  715.             rm -f ${Makefile}
  716.             case "${package_makefile_frag}" in
  717.               "") mv ${subdir}/Makefile.tem ${Makefile} ;;
  718.               *)
  719.                       if [ ! -f ${package_makefile_frag} ] ; then
  720.                               package_makefile_frag=${srcdir}/${package_makefile_frag}
  721.                       fi
  722.                       if [ -f ${package_makefile_frag} ] ; then
  723.                               sed -e "/^####/  r ${package_makefile_frag}" ${subdir}/Makefile.tem > ${Makefile}
  724.                       else
  725.                               echo '***' Expected package makefile fragment \"${package_makefile_frag}\" 1>&2
  726.                               echo '***' is missing in ${PWD=`pwd`}. 1>&2
  727.                               mv ${subdir}/Makefile.tem ${Makefile}
  728.                       fi
  729.             esac
  730.             # working copy now in ${Makefile}
  731.  
  732.             mv ${Makefile} ${subdir}/Makefile.tem
  733.  
  734.             # real copy now in ${subdir}/Makefile.tem
  735.  
  736.             # prepend warning about editting, and a bunch of variables.
  737.             rm -f ${Makefile}
  738.             cat > ${Makefile} <<EOF
  739. # ${NO_EDIT}
  740. VPATH = ${makesrcdir}
  741. links = ${configlinks}
  742. host_alias = ${host_alias}
  743. host_cpu = ${host_cpu}
  744. host_vendor = ${host_vendor}
  745. host_os = ${host_os}
  746. host_canonical = ${host_cpu}-${host_vendor}-${host_os}
  747. target_alias = ${target_alias}
  748. target_cpu = ${target_cpu}
  749. target_vendor = ${target_vendor}
  750. target_os = ${target_os}
  751. target_canonical = ${target_cpu}-${target_vendor}-${target_os}
  752. EOF
  753.             case "${package_makefile_frag}" in
  754.               "") ;;
  755.               /*) echo package_makefile_frag = ${package_makefile_frag} >>${Makefile} ;;
  756.               *)  echo package_makefile_frag = ${invsubdir}${package_makefile_frag} >>${Makefile} ;;
  757.             esac
  758.  
  759.             case "${target_makefile_frag}" in
  760.               "") ;;
  761.               /*) echo target_makefile_frag = ${target_makefile_frag} >>${Makefile} ;;
  762.               *)  echo target_makefile_frag = ${invsubdir}${target_makefile_frag} >>${Makefile} ;;
  763.             esac
  764.  
  765.             case "${host_makefile_frag}" in
  766.               "") ;;
  767.               /*) echo host_makefile_frag = ${host_makefile_frag} >>${Makefile} ;;
  768.               *)  echo host_makefile_frag = ${invsubdir}${host_makefile_frag} >>${Makefile} ;;
  769.             esac
  770.  
  771.             if [ "${site_makefile_frag}" != "" ] ; then
  772.                 echo site_makefile_frag = ${invsubdir}${site_makefile_frag} >>${Makefile}
  773.             fi 
  774.  
  775.             # fixme: this shouldn't be in configure.
  776.             # Define macro CROSS_COMPILE in compilation if this is a cross-compiler.
  777.             case "${host_alias}" in
  778.               "${target_alias}")
  779.                       echo "ALL=all.internal" >> ${Makefile}
  780.                       ;;
  781.               *)
  782.                       echo "CROSS=-DCROSS_COMPILE" >> ${Makefile}
  783.                       echo "ALL=all.cross" >> ${Makefile}
  784.                       ;;
  785.             esac
  786.  
  787.             # reset prefix, exec_prefix, srcdir, SUBDIRS, NONSUBDIRS,
  788.             # remove any form feeds.
  789.             if [ -z "${subdirs}" ]; then
  790.                 rm -f ${subdir}/Makefile.tem2
  791.                 sed -e "s:^SUBDIRS[     ]*=.*$:SUBDIRS = ${configdirs}:" \
  792.                     -e "s:^NONSUBDIRS[     ]*=.*$:NONSUBDIRS = ${noconfigdirs}:" \
  793.                     ${subdir}/Makefile.tem > ${subdir}/Makefile.tem2
  794.                 rm -f ${subdir}/Makefile.tem
  795.                 mv ${subdir}/Makefile.tem2 ${subdir}/Makefile.tem
  796.             fi
  797.             sed -e "s:^prefix[     ]*=.*$:prefix = ${prefix}:" \
  798.                     -e "s:^exec_prefix[     ]*=.*$:exec_prefix = ${exec_prefix}:" \
  799.                     -e "s:^srcdir[     ]*=.*$:srcdir = ${makesrcdir}:" \
  800.                     -e "s/ //" \
  801.                     -e "s:^program_prefix[     ]*=.*$:program_prefix = ${program_prefix}:" \
  802.                     -e "s:^program_suffix[     ]*=.*$:program_suffix = ${program_suffix}:" \
  803.                     -e "s:^program_transform_name[     ]*=.*$:program_transform_name = ${program_transform_name}:" \
  804.                     -e "s:^tooldir[     ]*=.*$:tooldir = ${tooldir}:" \
  805.                     ${subdir}/Makefile.tem >> ${Makefile}
  806.             # final copy now in ${Makefile}
  807.  
  808.         else
  809.            echo "No Makefile.in found in ${srcdir}, unable to configure" 1>&2
  810.         fi
  811.  
  812.         rm -f ${subdir}/Makefile.tem
  813.  
  814.         case "${host_makefile_frag}" in
  815.         "") using= ;;
  816.         *) using="and \"${host_makefile_frag}\"" ;;
  817.         esac
  818.  
  819.         case "${target_makefile_frag}" in
  820.         "") ;;
  821.         *) using="${using} and \"${target_makefile_frag}\"" ;;
  822.         esac
  823.  
  824.         case "${site_makefile_frag}" in
  825.         "") ;;
  826.         *) using="${using} and \"${site_makefile_frag}\"" ;;
  827.         esac
  828.  
  829.         newusing=`echo "${using}" | sed 's/and/using/'`
  830.         using=${newusing}
  831.         echo "Created \"${Makefile}\" in" ${PWD=`pwd`} ${using}
  832.  
  833.         . ${tmpfile}.pos
  834.  
  835.         # describe the chosen configuration in config.status.
  836.         # Make that file a shellscript which will reestablish
  837.         # the same configuration.  Used in Makefiles to rebuild
  838.         # Makefiles.
  839.  
  840.         case "${norecursion}" in
  841.         "") arguments="${arguments} -norecursion" ;;
  842.         *) ;;
  843.         esac
  844.  
  845.         if [ ${subdir} = . ] ; then
  846.             echo "#!/bin/sh
  847. # ${NO_EDIT}
  848. # This directory was configured as follows:
  849. ${progname}" ${arguments}  "
  850. # ${using}" > ${subdir}/config.new
  851.         else
  852.             echo "#!/bin/sh
  853. # ${NO_EDIT}
  854. # This directory was configured as follows:
  855. cd ${invsubdir}
  856. ${progname}" ${arguments}  "
  857. # ${using}" > ${subdir}/config.new
  858.         fi
  859.         chmod a+x ${subdir}/config.new
  860.         if [ -r ${subdir}/config.back ] ; then
  861.                 mv -f ${subdir}/config.back ${subdir}/config.status
  862.         fi
  863.         ${moveifchange} ${subdir}/config.new ${subdir}/config.status
  864.         ;;
  865.  
  866.     *)  rm -f ${Makefile} ${subdir}/config.status ${links} ;;
  867.     esac
  868. done
  869.  
  870. # If there are subdirectories, then recur. 
  871. if [ -z "${norecursion}" -a -n "${configdirs}" ] ; then 
  872.         for configdir in ${configdirs} ; do
  873.  
  874.                 if [ -d ${srcdir}/${configdir} ] ; then
  875.                         eval echo Configuring ${configdir}... ${redirect}
  876.                         case "${srcdir}" in
  877.                         ".") ;;
  878.                         *)
  879.                                 if [ ! -d ./${configdir} ] ; then
  880.                                         if mkdir ./${configdir} ; then
  881.                                                 true
  882.                                         else
  883.                                                 echo '***' "${progname}: could not make ${PWD=`pwd`}/${configdir}" 1>&2
  884.                                                 exit 1
  885.                                         fi
  886.                                 fi
  887.                                 ;;
  888.                         esac
  889.  
  890.                         POPDIR=${PWD=`pwd`}
  891.                         cd ${configdir} 
  892.  
  893. ### figure out what to do with srcdir
  894.                         case "${srcdir}" in
  895.                         ".") newsrcdir=${srcdir} ;; # no -srcdir option.  We're building in place.
  896.                         /*) # absolute path
  897.                                 newsrcdir=${srcdir}/${configdir}
  898.                                 srcdiroption="-srcdir=${newsrcdir}"
  899.                                 ;;
  900.                         *) # otherwise relative
  901.                                 newsrcdir=../${srcdir}/${configdir}
  902.                                 srcdiroption="-srcdir=${newsrcdir}"
  903.                                 ;;
  904.                         esac
  905.  
  906. ### check for guested configure, otherwise fix possibly relative progname
  907.                         if [ -f ${newsrcdir}/configure ] ; then
  908.                                 recprog=${newsrcdir}/configure
  909.                         else
  910.                                 case "${progname}" in
  911.                                 /*)     recprog=${progname} ;;
  912.                                 *)      recprog=../${progname} ;;
  913.                                 esac
  914.                         fi
  915.  
  916. ### The recursion line is here.
  917.                         if eval ${recprog} ${verbose} --host=${host_alias} --target=${target_alias} \
  918.                                 ${prefixoption} ${tmpdiroption} ${exec_prefixoption} \
  919.                                 ${srcdiroption} ${program_prefixoption} ${program_suffixoption} ${program_transform_nameoption} ${site_option} ${withoptions} ${withoutoptions} ${removing} ${redirect} ; then
  920.                                 true
  921.                         else
  922.                                 exit 1
  923.                         fi
  924.  
  925.                         cd ${POPDIR}
  926.                 fi
  927.         done
  928. fi
  929.  
  930. exit 0
  931.  
  932. #
  933. # Local Variables:
  934. # fill-column: 131
  935. # End:
  936. #
  937.  
  938. # end of configure
  939.