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Text File  |  1994-02-20  |  41KB  |  1,022 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. # In places where the argument to echo may start with a '-', use /bin/echo since
  37. # the AmigaDOS pdksh builtin echo botches this case.
  38.  
  39. export PATH || (echo "OOPS, this isn't sh.  Desperation time.  I will feed myself to sh."; sh $0 $argv; kill $$)
  40.  
  41. remove=rm
  42. hard_link=cp
  43. symbolic_link=cp
  44.  
  45. #for Test
  46. #remove="echo rm"
  47. #hard_link="echo ln"
  48. #symbolic_link="echo ln -s"
  49.  
  50. # clear some things potentially inherited from environment.
  51.  
  52. Makefile=Makefile
  53. Makefile_in=Makefile.in
  54. arguments=$*
  55. build_alias=
  56. configdirs=
  57. exec_prefix=
  58. exec_prefixoption=
  59. fatal=
  60. floating_point=default
  61. gas=default
  62. host_alias=
  63. host_makefile_frag=
  64. moveifchange=
  65. next_build=
  66. next_host=
  67. next_prefix=
  68. next_site=
  69. next_srcdir=
  70. next_target=
  71. next_tmpdir=
  72. norecursion=
  73. package_makefile_frag=
  74. prefix=/gnu
  75. progname=
  76. program_prefix=
  77. program_prefixoption=
  78. program_suffix=
  79. program_suffixoption=
  80. program_transform_name=
  81. program_transform_nameoption=
  82. redirect=">/dev/null"
  83. removing=
  84. site=
  85. site_makefile_frag=
  86. site_option=
  87. srcdir=
  88. srctrigger=
  89. subdirs=
  90. target_alias=
  91. target_makefile_frag=
  92. undefinedargs=
  93. version="$Revision: 1.172 $"
  94. x11=default
  95.  
  96. ### we might need to use some other shell than /bin/sh for running subshells
  97. #
  98. config_shell=${CONFIG_SHELL-/bin/sh}
  99.  
  100. NO_EDIT="This file was generated automatically by configure.  Do not edit."
  101.  
  102. ## this is a little touchy and won't always work, but...
  103. ##
  104. ## if the argv[0] starts with a slash then it is an absolute name that can (and
  105. ## must) be used as is.
  106. ##
  107. ## otherwise, if argv[0] has no slash in it, we can assume that it is on the
  108. ## path.  Since PATH might include "." we also add `pwd` to the end of PATH.
  109. ##
  110.  
  111. progname=`echo $0 | sed 's:/$::'`
  112. # if PWD already has a value, it is probably wrong.
  113. #if [ -n "$PWD" ]; then PWD=`pwd`; fi
  114.  
  115. case "${progname}" in
  116. /*) ;;
  117. */*) ;;
  118. *)
  119.         PATH=$PATH:${PWD=`pwd`} ; export PATH
  120.         ;;
  121. esac
  122.  
  123. for arg in $*
  124. do
  125.         # handle things that might have args following as separate words
  126.         if [ -n "${next_prefix}" ] ; then prefix=${arg} ; prefixoption="-prefix=${prefix}" ; next_prefix=
  127.         elif [ -n "${next_exec_prefix}" ] ; then
  128.                 exec_prefix=${arg}
  129.                 exec_prefixoption="-exec-prefix=${exec_prefix}"
  130.                 next_exec_prefix=
  131.         elif [ -n "${next_site}" ] ; then site=${arg} ; site_option=-site=${site} ; next_site=
  132.         # remove any possible trailing slash from srcdir.  See note below.
  133.         elif [ -n "${next_srcdir}" ] ; then srcdir=`/bin/echo ${arg} | sed -e 's:/$::'` ; next_srcdir=
  134.         elif [ -n "${next_program_prefix}" ] ; then
  135.                 program_prefix=${arg}
  136.                 program_prefixoption="-program_prefix=${program_prefix}"
  137.                 next_program_prefix=
  138.         elif [ -n "${next_program_suffix}" ] ; then
  139.                 program_suffix=${arg}
  140.                 program_suffixoption="-program_suffix=${program_suffix}"
  141.                 next_program_suffix=
  142.         elif [ -n "${next_program_transform_name}" ] ; then
  143.                 # Double any backslashes or dollar signs in the argument
  144.         if [ -n "${arg}" ] ; then
  145.             program_transform_name="${program_transform_name} -e `/bin/echo ${arg} | sed -e 's/\\\\/\\\\\\\\/g' -e 's/\\\$/$$/g'`"
  146.         fi
  147.                 program_transform_nameoption="${program_transform_nameoption} --program-transform-name='${arg}'"
  148.                 next_program_transform_name=
  149.         elif [ -n "${next_build}" ] ; then
  150.                 next_build=
  151.                 case "${build_alias}" in
  152.                 "")
  153.                         build_alias="${arg}"
  154.                         ;;
  155.                 *)
  156.                         echo '***' Can only configure for one build machine at a time.  1>&2
  157.                         fatal=yes
  158.                         ;;
  159.                 esac
  160.         elif [ -n "${next_target}" ] ; then
  161.                 next_target=
  162.                 case "${target_alias}" in
  163.                 "")
  164.                         target_alias="${arg}"
  165.                         ;;
  166.                 *)
  167.                         echo '***' Can only configure for one target at a time.  1>&2
  168.                         fatal=yes
  169.                         ;;
  170.                 esac
  171.         elif [ -n "${next_host}" ] ; then
  172.                 next_host=
  173.                 case "${host_alias}" in
  174.                 "")
  175.                         host_alias="${arg}"
  176.                         ;;
  177.                 *)
  178.                         echo '***' Can only configure for one host at a time.  1>&2
  179.                         fatal=yes
  180.                         ;;
  181.                 esac
  182.         elif [ -n "${next_tmpdir}" ] ; then
  183.                 next_tmpdir=
  184.                 tmpdiroption="--tmpdir=${arg}"
  185.                 TMPDIR=${arg}
  186.  
  187.         else
  188.                 case ${arg} in
  189.                 -build=* | --build=* | --buil=* | --bui=* | --bu=* | --b=*)
  190.                         case "${build_alias}" in
  191.                         "") build_alias="`echo ${arg} | sed 's/^[-a-z]*=//'`" ;;
  192.                         *)
  193.                                 echo '***' Can only configure for one build machine at a time.  1>&2
  194.                                 fatal=yes
  195.                                 ;;
  196.                         esac
  197.                         ;;
  198.                 -build | --build | --buil | --bui | --bu | --b)
  199.                         next_build=yes
  200.                         ;;
  201.                 -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-=* )
  202.                         exec_prefix=`/bin/echo ${arg} | sed 's/^[-a-z_]*=//'`
  203.                         exec_prefixoption=${arg}
  204.                         ;;
  205.                 -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-)
  206.                         next_exec_prefix=yes
  207.                         ;;
  208.                 -gas | --g*)
  209.                         gas=yes
  210.                         ;;
  211.                 -help | --he*)
  212.                         fatal=true
  213.                         ;;
  214.                 -host=* | --host=* | --hos=* | --ho=*)
  215.                         case "${host_alias}" in
  216.                         "")
  217.                                 host_alias="`/bin/echo ${arg} | sed 's/^[-a-z]*=//'`"
  218.                                 ;;
  219.                         *)
  220.                                 echo '***' Can only configure for one host at a time.  1>&2
  221.                                 fatal=yes
  222.                                 ;;
  223.                         esac
  224.                         ;;
  225.                 -host | --host | --hos | --ho)
  226.                         case "${host_alias}" in
  227.                         "")
  228.                                 next_host=yes
  229.                                 ;;
  230.                         *)
  231.                                 echo '***' Can only configure for one host at a time.  1>&2
  232.                                 fatal=yes
  233.                                 ;;
  234.                         esac
  235.                         ;;
  236.                 -nfp | --nf*)
  237.                         floating_point=no
  238.                         ;;
  239.                 -norecursion | --no*)
  240.                         norecursion=true
  241.                         ;;
  242.                 -prefix=* | --prefix=* | --prefi=* | --pref=* | --pre=*)
  243.                         prefix=`/bin/echo ${arg} | sed 's/^[-a-z]*=//'`
  244.                         prefixoption=${arg}
  245.                         ;;
  246.                 -prefix | --prefix | --prefi | --pref | --pre)
  247.                         next_prefix=yes
  248.                         ;;
  249.                 -rm | --rm) removing=${arg} ;;
  250.                 -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=*)
  251.                         program_prefix=`/bin/echo ${arg} | sed 's/^[-a-z_]*=//'`
  252.                         program_prefixoption=${arg}
  253.                         ;;
  254.                 -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)
  255.                         next_program_prefix=yes
  256.                         ;;
  257.                 -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=*)
  258.                         program_suffix=`/bin/echo ${arg} | sed 's/^[-a-z_]*=//'`
  259.                         program_suffixoption=${arg}
  260.                         ;;
  261.                 -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)
  262.                         next_program_suffix=yes
  263.                         ;;
  264.                 -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=*)
  265.             arg=`/bin/echo ${arg} | sed -e 's/^[-a-z_]*=//'`
  266.                         # Double any \ or $ in the argument
  267.             if [ -n "${arg}" ] ; then
  268.                             program_transform_name="${program_transform_name} -e `/bin/echo ${arg} | sed -e 's/\\\\/\\\\\\\\/g' -e 's/\\\$/$$/g'`"
  269.             fi
  270.                         program_transform_nameoption="${program_transform_nameoption} --program-transform-name='${arg}'"
  271.                         ;;
  272.                 -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)
  273.                         next_program_transform_name=yes
  274.                         ;;
  275.                 -site=* | --site=* | --sit=* | --si=*)
  276.                         site_option=${arg}
  277.                         site=`/bin/echo ${arg} | sed 's/^[-a-z]*=//'`
  278.                         ;;
  279.                 -site | --site | --sit)
  280.                         next_site=yes
  281.                         ;;
  282.                 # remove trailing slashes.  Otherwise, when the file name gets
  283.                 # bolted into an object file as debug info, it has two slashes in
  284.                 # it.  Ordinarily this is ok, but emacs takes double slash to
  285.                 # mean "forget the first part".
  286.                 -srcdir=* | --srcdir=* | --srcdi=* | --srcd=* | --src=* | --sr=*)
  287.                         srcdir=`/bin/echo ${arg} | sed 's/^[-a-z]*=//' | sed -e 's:/$::'`
  288.                         ;;
  289.                 -srcdir | --srcdir | --srcdi | --srcd | --src | --sr)
  290.                         next_srcdir=yes
  291.                         ;;
  292.                 -target=* | --target=* | --targe=* | --targ=* | --tar=* | --ta=*)
  293.                         case "${target_alias}" in
  294.                         "") target_alias="`/bin/echo ${arg} | sed 's/^[-a-z]*=//'`" ;;
  295.                         *)
  296.                                 echo '***' Can only configure for one target at a time.  1>&2
  297.                                 fatal=yes
  298.                                 ;;
  299.                         esac
  300.                         ;;
  301.                 -target | --target | --targe | --targ | --tar | --ta)
  302.                         next_target=yes
  303.                         ;;
  304.                 -tmpdir=* | --tmpdir=* | --tmpdi=* | --tmpd=* | --tmp=* | --tm=*)
  305.                         tmpdiroption=${arg}
  306.                         TMPDIR=`/bin/echo ${arg} | sed 's/^[-a-z]*=//'`
  307.                         ;;
  308.                 -tmpdir | --tmpdir | --tmpdi | --tmpd | --tmp | --tm)
  309.                         next_tmpdir=yes
  310.                         ;;
  311.                 -v | -verbose | --v)
  312.                         redirect=
  313.                         verbose=-v
  314.                         ;;
  315.                 -version | -V | --version | --V)
  316.                         echo "This is Cygnus Configure version" `echo ${version} | sed 's/[ $:]//g'`
  317.                         exit 0
  318.                         ;;
  319.                 -with*=* | --with*=*)
  320.                         withopt=`/bin/echo ${arg} | sed 's:^-*\(with[^=]*\)=.*$:\1:;s/-/_/g'`
  321.                         withval=`/bin/echo ${arg} | sed 's:^-*with[^=]*=\(.*\)$:\1:'`
  322.                         eval $withopt="$withval"
  323.                         withoptions="$withoptions $arg"
  324.                         ;;
  325.                 -without* | --without*)
  326.                         withopt=`/bin/echo ${arg} | sed 's:^-*without:with:;s/-/_/g'`        
  327.                         eval $withopt=no
  328.                         withoutoptions="$withoutoptions $arg"
  329.                         ;;
  330.                 -with* | --with*)
  331.                         withopt=`/bin/echo ${arg} | sed 's:^-*with:with:;s/-/_/g'`
  332.                         eval $withopt=yes
  333.                         withoptions="$withoptions $arg"
  334.                         ;;
  335.                 -x | --x) ;;
  336.                 -* | --*)
  337.                         (echo ;
  338.                         echo "Unrecognized option: \"${arg}\"". ;
  339.                         echo) 1>&2
  340.                         fatal=true
  341.                         ;;
  342.                 *)
  343.                         case "${undefs}" in
  344.                         "")
  345.                                 undefs="${arg}"
  346.                                 ;;
  347.                         *)
  348.                                 echo '***' Can only configure for one host and one target at a time.  1>&2
  349.                                 fatal=yes
  350.                                 ;;
  351.                         esac
  352.                         ;;
  353.                 esac
  354.         fi
  355. done
  356.  
  357. # process host and target
  358. case "${fatal}" in
  359. "")
  360. #       # Complain if an arg is missing
  361. #       if [ -z "${host_alias}" ] ; then
  362. #               (echo ;
  363. #               echo "configure: No HOST specified." ;
  364. #               echo) 1>&2
  365. #               fatal=true
  366. #       fi
  367.  
  368. ### This is a bit twisted.
  369. ### * if all three are specified, this is an error.
  370. ### * if we have neither hosts, nor unadorned args, guess with config.guess.
  371. ### * if no hosts are specified, then the unadorned args are hosts, but if
  372. ### there were none, this is an error.
  373. ### * if no targets are specified, then the unadorned args are targets, but if
  374. ### there were no unadorned args, then the hosts are also targets.
  375.  
  376.         if [ -n "${host_alias}" -a -n "${target_alias}" -a -n "${undefs}" ]
  377.     then
  378.                 echo '***' Can only configure for one host and one target at a time.  1>&2
  379.                 fatal=yes
  380.         elif [ -z "${host_alias}" -a -z "${target_alias}" -a -z "${undefs}" ]
  381.     then
  382.                 guesssys=`echo ${progname} | sed 's/configure$/config.guess/'`
  383.                 if tmp_alias=`${guesssys}` ; then
  384.                         echo "Configuring for a ${tmp_alias} host." 1>&2
  385.                         host_alias=${tmp_alias}
  386.             case "${target_alias}" in
  387.             "") target_alias=${tmp_alias} ;;
  388.             *) ;;
  389.             esac
  390.             arguments="--host=${host_alias} ${arguments}"
  391.                 else
  392.                         echo 'Config.guess failed to determine the host type.  You need to specify one.' 1>&2
  393.                         fatal=yes
  394.                 fi
  395.         else
  396.                 case "${host_alias}" in
  397.                 "")
  398.                         case "${undefs}" in
  399.                         "")     host_alias=${target_alias} ;;
  400.                         *)      host_alias=${undefs} ;;
  401.                         esac
  402.                         ;;
  403.                 *) ;;
  404.                 esac
  405.  
  406.                 case "${target_alias}" in
  407.                 "")
  408.                         case "${undefs}" in
  409.                         "")     target_alias=${host_alias} ;;
  410.                         *)      target_alias=${undefs} ;;
  411.                         esac
  412.                         ;;
  413.                 *) ;;
  414.                 esac
  415.         fi
  416.         ;;
  417. *) ;;
  418. esac
  419.  
  420. if [ -n "${fatal}" -o "${host_alias}" = "help" ] ; then
  421.         (echo "Usage: configure HOST" ;
  422.         echo ;
  423.         echo "Options: [defaults in brackets]" ;
  424.         echo " --prefix=MYDIR            configure for installation of host dependent files into MYDIR. [\"/gnu\"]" ;
  425.         echo " --exec-prefix=MYDIR       configure for installation of host dependent files into MYDIR. [\"/gnu\"]" ;
  426.         echo " --help                    print this message. [normal config]" ;
  427.         echo " --build=BUILD             configure for building on BUILD.  [BUILD=HOST]" ;
  428.         echo " --host=HOST               configure for HOST.  [determined via config.guess]" ;
  429.         echo " --norecursion             configure this directory only. [recurse]" ;
  430.         echo " --program-prefix=FOO      install programs with FOO prepended to their names. [ \"\" ]" ;
  431.         echo " --program-suffix=FOO      install programs with FOO appended to their names. [ \"\" ]" ;
  432.         echo " --program-transform-name=FOO      install programs with names transformed by sed pattern FOO. [ \"\" ]" ;
  433.         echo " --site=SITE               configure with site specific makefile for SITE" ;
  434.         echo " --srcdir=DIR              find the sources in DIR. [\".\" or \"..\"]" ;
  435.         echo " --target=TARGET           configure for TARGET.  [TARGET = HOST]" ;
  436.         echo " --tmpdir=TMPDIR           create temporary files in TMPDIR.  [ TMPDIR = \"/tmp\" ]" ;
  437.         echo " --nfp                     configure the compilers default to soft floating point. [hard float]" ;
  438.         echo " --with-FOO, --with-FOO=BAR specify that FOO is available"
  439.         echo " --without-FOO             specify that FOO is NOT available"
  440.         echo ;
  441.         echo "Where HOST and TARGET are something like \"vax\", \"sun3\", \"encore\", etc." ;
  442.         echo ;
  443.         ) 1>&2
  444.         if [ -r config.status ] ; then
  445.                 cat config.status
  446.         fi
  447.  
  448.         exit 1
  449. fi
  450.  
  451. configsub=`echo ${progname} | sed 's/configure$/config.sub/'`
  452. moveifchange=`echo ${progname} | sed 's/configure$/move-if-change/'`
  453.  
  454. # this is a hack.  sun4 must always be a valid host alias or this will fail.
  455. if ${configsub} sun4 >/dev/null 2>&1 ; then
  456.         true
  457. else
  458.         echo '***' cannot find config.sub.  1>&2
  459.         exit 1
  460. fi
  461.  
  462. touch config.junk
  463. if ${moveifchange} config.junk config.trash ; then
  464.         true
  465. else
  466.         echo '***' cannot find move-if-change.  1>&2
  467.         exit 1
  468. fi
  469. rm -f config.junk config.trash
  470.  
  471. case "${srcdir}" in
  472. "")
  473.         if [ -r configure.in ] ; then
  474.                 srcdir=.
  475.         else
  476.                 if [ -r ${progname}.in ] ; then
  477.                         srcdir=`echo ${progname} | sed 's:/configure$::'`
  478.                 else
  479.                         echo '***' "Can't find configure.in.  Try using -srcdir=some_dir"  1>&2
  480.                         exit 1
  481.                 fi
  482.         fi
  483.         ;;
  484. *) ;;
  485. esac
  486.  
  487. ### warn about some conflicting configurations.
  488.  
  489. case "${srcdir}" in
  490. ".") ;;
  491. *)
  492.         if [ -f ${srcdir}/config.status ] ; then
  493.                 echo '***' Cannot configure here in \"${PWD=`pwd`}\" when \"${srcdir}\" is currently configured. 1>&2
  494.                 exit 1
  495.         fi
  496. esac
  497.  
  498. # default exec_prefix
  499. case "${exec_prefix}" in
  500. "") exec_prefix="\$(prefix)" ;;
  501. *) ;;
  502. esac
  503.  
  504. ### break up ${srcdir}/configure.in.
  505. case "`grep '^# per\-host:' ${srcdir}/configure.in`" in
  506. "")
  507.         echo '***' ${srcdir}/configure.in has no \"per-host:\" line. 1>&2
  508.         exit 1
  509.         ;;
  510. *) ;;
  511. esac
  512.  
  513. case "`grep '^# per\-target:' ${srcdir}/configure.in`" in
  514. "")
  515.         echo '***' ${srcdir}/configure.in has no \"per-target:\" line. 1>&2
  516.         exit 1
  517.         ;;
  518. *) ;;
  519. esac
  520.  
  521. case "${TMPDIR}" in
  522. "") TMPDIR=/tmp ; export TMPDIR ;;
  523. *) ;;
  524. esac
  525.  
  526. # keep this filename short for &%*%$*# 14 char file names
  527. tmpfile=${TMPDIR}/cONf$$
  528. trap "rm -f ${tmpfile}.com ${tmpfile}.tgt ${tmpfile}.hst ${tmpfile}.pos" 0
  529.  
  530. # split ${srcdir}/configure.in into common, per-host, per-target,
  531. # and post-target parts.  Post-target is optional.
  532. sed -e '/^# per\-host:/,$d' ${srcdir}/configure.in > ${tmpfile}.com
  533. sed -e '1,/^# per\-host:/d' -e '/^# per\-target:/,$d' ${srcdir}/configure.in > ${tmpfile}.hst
  534. if grep '^# post-target:' ${srcdir}/configure.in >/dev/null ; then
  535.   sed -e '1,/^# per\-target:/d' -e '/^# post\-target:/,$d' ${srcdir}/configure.in > ${tmpfile}.tgt
  536.   sed -e '1,/^# post\-target:/d' ${srcdir}/configure.in > ${tmpfile}.pos
  537. else
  538.   sed -e '1,/^# per\-target:/d' ${srcdir}/configure.in > ${tmpfile}.tgt
  539.   echo >${tmpfile}.pos
  540. fi
  541.  
  542. ### do common part of configure.in
  543.  
  544. . ${tmpfile}.com
  545.  
  546. # some sanity checks on configure.in
  547. case "${srctrigger}" in
  548. "")
  549.         echo '***' srctrigger not set in ${PWD=`pwd`}/configure.in.  1>&2
  550.         exit 1
  551.         ;;
  552. *) ;;
  553. esac
  554.  
  555. case "${build_alias}" in
  556. "")    ;;
  557. *)
  558.     result=`${configsub} ${build_alias}`
  559.         buildopt="--build=${build_alias}"
  560.     build_cpu=`echo $result | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\1/'`
  561.     build_vendor=`echo $result | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\2/'`
  562.     build_os=`echo $result | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\3/'`
  563.     build=${build_cpu}-${build_vendor}-${build_os}
  564.     ;;
  565. esac
  566.  
  567. result=`${configsub} ${host_alias}`
  568. host_cpu=`echo $result | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\1/'`
  569. host_vendor=`echo $result | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\2/'`
  570. host_os=`echo $result | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\3/'`
  571. host=${host_cpu}-${host_vendor}-${host_os}
  572.  
  573. . ${tmpfile}.hst
  574.  
  575. result=`${configsub} ${target_alias}`
  576. target_cpu=`echo $result | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\1/'`
  577. target_vendor=`echo $result | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\2/'`
  578. target_os=`echo $result | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\3/'`
  579. target=${target_cpu}-${target_vendor}-${target_os}
  580.  
  581. . ${tmpfile}.tgt
  582.  
  583. # Find the source files, if location was not specified.
  584. case "${srcdir}" in
  585. "")
  586.         srcdirdefaulted=1
  587.         srcdir=.
  588.         if [ ! -r ${srctrigger} ] ; then
  589.                 srcdir=..
  590.         fi
  591.         ;;
  592. *) ;;
  593. esac
  594.  
  595. if [ ! -r ${srcdir}/${srctrigger} ] ; then
  596.         case "${srcdirdefaulted}" in
  597.         "") echo '***' "${progname}: Can't find ${srcname} sources in ${PWD=`pwd`}/${srcdir}" 1>&2 ;;
  598.         *)  echo '***' "${progname}: Can't find ${srcname} sources in ${PWD=`pwd`}/. or ${PWD=`pwd`}/.." 1>&2 ;;
  599.         esac
  600.  
  601.         echo '***' \(At least ${srctrigger} is missing.\) 1>&2
  602.         exit 1
  603. fi
  604.  
  605. # Some systems (e.g., one of the i386-aix systems the gas testers are
  606. # using) don't handle "\$" correctly, so don't use it here.
  607. tooldir='$(exec_prefix)'/${target_alias}
  608.  
  609. if [ "${host_alias}" != "${target_alias}" ] ; then
  610.     if [ "${program_prefixoption}" = "" ] ; then
  611.         if [ "${program_suffixoption}" = "" ] ; then 
  612.             if [ "${program_transform_nameoption}" = "" ] ; then
  613.                 program_prefix=${target_alias}- ;
  614.             fi
  615.         fi
  616.     fi
  617. fi
  618.  
  619. # Merge program_prefix and program_suffix onto program_transform_name
  620. # Use a double $ so that make ignores it
  621. if [ "${program_suffix}" != "" ] ; then
  622.     program_transform_name="-e s/\$\$/${program_suffix}/ ${program_transform_name}"
  623. fi
  624.  
  625. if [ "${program_prefix}" != "" ] ; then
  626.     program_transform_name="-e s/^/${program_prefix}/ ${program_transform_name}"
  627. fi
  628.  
  629. for subdir in . ${subdirs} ; do
  630.  
  631.     # ${subdir} is relative path from . to the directory we're currently
  632.     # configuring.
  633.     # ${invsubdir} is inverse of ${subdir), *with* trailing /, if needed.
  634.     invsubdir=`echo ${subdir}/ | sed -e 's|\./||g' -e 's|[^/]*/|../|g'`
  635.  
  636.     ### figure out what to do with srcdir
  637.     case "${srcdir}" in
  638.         ".")  # no -srcdir option.  We're building in place.
  639.                 makesrcdir=. ;;
  640.         /*) # absolute path
  641.                 makesrcdir=`echo ${srcdir}/${subdir} | sed -e 's|/\.$||'`
  642.                 ;;
  643.         *) # otherwise relative
  644.                 case "${subdir}" in
  645.                 .) makesrcdir=${srcdir} ;;
  646.                 *) makesrcdir=${invsubdir}${srcdir}/${subdir} ;;
  647.                 esac
  648.                 ;;
  649.     esac
  650.  
  651.     if [ "${subdir}/" != "./" ] ; then
  652.         Makefile=${subdir}/Makefile
  653.     fi
  654.  
  655.     if [ ! -d ${subdir} ] ; then
  656.         if mkdir ${subdir} ; then
  657.                 true
  658.         else
  659.                 echo '***' "${progname}: could not make ${PWD=`pwd`}/${subdir}" 1>&2
  660.                 exit 1
  661.         fi
  662.     fi
  663.  
  664.     case "${removing}" in
  665.     "")
  666.         case "${subdir}" in
  667.         .) ;;
  668.         *) eval echo Building in ${subdir} ${redirect} ;;
  669.         esac
  670.  
  671.         # FIXME Should this be done recursively ??? (Useful for e.g. gdbtest)
  672.         # Set up the list of links to be made.
  673.         # ${links} is the list of link names, and ${files} is the list of names to link to.
  674.  
  675.         # Make the links.
  676.         configlinks="${links}"
  677.         if [ -r ${subdir}/config.status ] ; then
  678.                 mv -f ${subdir}/config.status ${subdir}/config.back
  679.         fi
  680.         while [ -n "${files}" ] ; do
  681.                 # set file to car of files, files to cdr of files
  682.                 set ${files}; file=$1; shift; files=$*
  683.                 set ${links}; link=$1; shift; links=$*
  684.  
  685.                 if [ ! -r ${srcdir}/${file} ] ; then
  686.                         echo '***' "${progname}: cannot create a link \"${link}\"," 1>&2
  687.                         echo '***' "since the file \"${srcdir}/${file}\" does not exist." 1>&2
  688.                         exit 1
  689.                 fi
  690.  
  691.                 ${remove} -f ${link}
  692.                 # Make a symlink if possible, otherwise try a hard link
  693.                 ${symbolic_link} ${srcdir}/${file} ${link} 2>/dev/null || ${hard_link} ${srcdir}/${file} ${link}
  694.  
  695.                 if [ ! -r ${link} ] ; then
  696.                         echo '***' "${progname}: unable to link \"${link}\" to \"${srcdir}/${file}\"." 1>&2
  697.                         exit 1
  698.                 fi
  699.  
  700.                 echo "Linked \"${link}\" to \"${srcdir}/${file}\"."
  701.         done
  702.  
  703.         # Create a .gdbinit file which runs the one in srcdir
  704.         # and tells GDB to look there for source files.
  705.  
  706.         if [ -r ${srcdir}/${subdir}/.gdbinit ] ; then
  707.                 case ${srcdir} in
  708.                 .) ;;
  709.                 *) cat > ${subdir}/.gdbinit <<EOF
  710. # ${NO_EDIT}
  711. dir .
  712. dir ${makesrcdir}
  713. source ${makesrcdir}/.gdbinit
  714. EOF
  715.                         ;;
  716.                 esac
  717.         fi
  718.  
  719.         # Install a makefile, and make it set VPATH
  720.         # if necessary so that the sources are found.
  721.         # Also change its value of srcdir.
  722.         # NOTE: Makefile generation constitutes the majority of the time in configure.  Hence, this section has
  723.         # been somewhat optimized and is perhaps a bit twisty.
  724.  
  725.         # code is order so as to try to sed the smallest input files we know.
  726.  
  727.         # the four makefile fragments MUST end up in the resulting Makefile in this order: 
  728.         # package, target, host, and site.  so do these separately because I don't trust the
  729.         #  order of sed -e expressions.
  730.  
  731.         if [ -f ${srcdir}/${subdir}/${Makefile_in} ] ; then
  732.  
  733.             # Conditionalize for this site from "Makefile.in" (or whatever it's called) into Makefile.tem
  734.             rm -f ${subdir}/Makefile.tem
  735.               case "${site}" in
  736.               "") cp ${srcdir}/${subdir}/${Makefile_in} ${subdir}/Makefile.tem ;;
  737.               *)
  738.                       site_makefile_frag=${srcdir}/config/ms-${site}
  739.  
  740.                       if [ -f ${site_makefile_frag} ] ; then
  741.                               sed -e "/^####/  r ${site_makefile_frag}" ${srcdir}/${subdir}/${Makefile_in} \
  742.                                       > ${subdir}/Makefile.tem
  743.                       else
  744.                               cp ${srcdir}/${subdir}/${Makefile_in} ${subdir}/Makefile.tem
  745.                               site_makefile_frag=
  746.                       fi
  747.                       ;;
  748.             esac
  749.             # working copy now in ${subdir}/Makefile.tem
  750.  
  751.             # Conditionalize the makefile for this host.
  752.             rm -f ${Makefile}
  753.             case "${host_makefile_frag}" in
  754.               "") mv ${subdir}/Makefile.tem ${Makefile} ;;
  755.               *)
  756.                       if [ ! -f ${host_makefile_frag} ] ; then
  757.                               host_makefile_frag=${srcdir}/${host_makefile_frag}
  758.                       fi
  759.                       if [ -f ${host_makefile_frag} ] ; then
  760.                               sed -e "/^####/  r ${host_makefile_frag}" ${subdir}/Makefile.tem > ${Makefile}
  761.                       else
  762.                               echo '***' Expected host makefile fragment \"${host_makefile_frag}\" 1>&2
  763.                               echo '***' is missing in ${PWD=`pwd`}. 1>&2
  764.                               mv ${subdir}/Makefile.tem ${Makefile}
  765.                       fi
  766.             esac
  767.             # working copy now in ${Makefile}
  768.  
  769.             # Conditionalize the makefile for this target.
  770.             rm -f ${subdir}/Makefile.tem
  771.             case "${target_makefile_frag}" in
  772.               "") mv ${Makefile} ${subdir}/Makefile.tem ;;
  773.               *)
  774.                       if [ ! -f ${target_makefile_frag} ] ; then
  775.                               target_makefile_frag=${srcdir}/${target_makefile_frag}
  776.                       fi
  777.                       if [ -f ${target_makefile_frag} ] ; then
  778.                               sed -e "/^####/  r ${target_makefile_frag}" ${Makefile} > ${subdir}/Makefile.tem
  779.                       else
  780.                               mv ${Makefile} ${subdir}/Makefile.tem
  781.                               target_makefile_frag=
  782.                       fi
  783.                       ;;
  784.             esac
  785.             # real copy now in ${subdir}/Makefile.tem
  786.  
  787.             # Conditionalize the makefile for this package.
  788.             rm -f ${Makefile}
  789.             case "${package_makefile_frag}" in
  790.               "") mv ${subdir}/Makefile.tem ${Makefile} ;;
  791.               *)
  792.                       if [ ! -f ${package_makefile_frag} ] ; then
  793.                               package_makefile_frag=${srcdir}/${package_makefile_frag}
  794.                       fi
  795.                       if [ -f ${package_makefile_frag} ] ; then
  796.                               sed -e "/^####/  r ${package_makefile_frag}" ${subdir}/Makefile.tem > ${Makefile}
  797.                       else
  798.                               echo '***' Expected package makefile fragment \"${package_makefile_frag}\" 1>&2
  799.                               echo '***' is missing in ${PWD=`pwd`}. 1>&2
  800.                               mv ${subdir}/Makefile.tem ${Makefile}
  801.                       fi
  802.             esac
  803.             # working copy now in ${Makefile}
  804.  
  805.             mv ${Makefile} ${subdir}/Makefile.tem
  806.  
  807.             # real copy now in ${subdir}/Makefile.tem
  808.  
  809.             # prepend warning about editting, and a bunch of variables.
  810.             rm -f ${Makefile}
  811.             cat > ${Makefile} <<EOF
  812. # ${NO_EDIT}
  813. VPATH = ${makesrcdir}
  814. links = ${configlinks}
  815. host_alias = ${host_alias}
  816. host_cpu = ${host_cpu}
  817. host_vendor = ${host_vendor}
  818. host_os = ${host_os}
  819. host_canonical = ${host_cpu}-${host_vendor}-${host_os}
  820. target_alias = ${target_alias}
  821. target_cpu = ${target_cpu}
  822. target_vendor = ${target_vendor}
  823. target_os = ${target_os}
  824. target_canonical = ${target_cpu}-${target_vendor}-${target_os}
  825. EOF
  826.         case "${build}" in
  827.           "") ;;
  828.           *)  cat >> ${Makefile} << EOF
  829. build_alias = ${build_alias}
  830. build_cpu = ${build_cpu}
  831. build_vendor = ${build_vendor}
  832. build_os = ${build_os}
  833. build_canonical = ${build_cpu}-${build_vendor}-${build_os}
  834. EOF
  835.         esac
  836.  
  837.             case "${package_makefile_frag}" in
  838.               "") ;;
  839.               /*) echo package_makefile_frag = ${package_makefile_frag} >>${Makefile} ;;
  840.               *)  echo package_makefile_frag = ${invsubdir}${package_makefile_frag} >>${Makefile} ;;
  841.             esac
  842.  
  843.             case "${target_makefile_frag}" in
  844.               "") ;;
  845.               /*) echo target_makefile_frag = ${target_makefile_frag} >>${Makefile} ;;
  846.               *)  echo target_makefile_frag = ${invsubdir}${target_makefile_frag} >>${Makefile} ;;
  847.             esac
  848.  
  849.             case "${host_makefile_frag}" in
  850.               "") ;;
  851.               /*) echo host_makefile_frag = ${host_makefile_frag} >>${Makefile} ;;
  852.               *)  echo host_makefile_frag = ${invsubdir}${host_makefile_frag} >>${Makefile} ;;
  853.             esac
  854.  
  855.             if [ "${site_makefile_frag}" != "" ] ; then
  856.                 echo site_makefile_frag = ${invsubdir}${site_makefile_frag} >>${Makefile}
  857.             fi 
  858.  
  859.         # make sure that some sort of reasonable default exists for these 
  860.         # two variables
  861.         CXX=${CXX-"g++ -O"}
  862.         CC=${CC-gcc}
  863.  
  864.             # reset prefix, exec_prefix, srcdir, SUBDIRS, NONSUBDIRS,
  865.             # remove any form feeds.
  866.             if [ -z "${subdirs}" ]; then
  867.                 rm -f ${subdir}/Makefile.tem2
  868.                 sed -e "s:^SUBDIRS[     ]*=.*$:SUBDIRS = ${configdirs}:" \
  869.                     -e "s:^NONSUBDIRS[     ]*=.*$:NONSUBDIRS = ${noconfigdirs}:" \
  870.                     ${subdir}/Makefile.tem > ${subdir}/Makefile.tem2
  871.                 rm -f ${subdir}/Makefile.tem
  872.                 mv ${subdir}/Makefile.tem2 ${subdir}/Makefile.tem
  873.             fi
  874.             sed -e "s:^prefix[     ]*=.*$:prefix = ${prefix}:" \
  875.                     -e "s:^exec_prefix[     ]*=.*$:exec_prefix = ${exec_prefix}:" \
  876.             -e "s:^SHELL[     ]*=.*$:SHELL = ${config_shell}:" \
  877.                     -e "s:^srcdir[     ]*=.*$:srcdir = ${makesrcdir}:" \
  878.                     -e "s/ //" \
  879.                     -e "s:^program_prefix[     ]*=.*$:program_prefix = ${program_prefix}:" \
  880.                     -e "s:^program_suffix[     ]*=.*$:program_suffix = ${program_suffix}:" \
  881.                     -e "s:^program_transform_name[     ]*=.*$:program_transform_name = ${program_transform_name}:" \
  882.                     -e "s:^tooldir[     ]*=.*$:tooldir = ${tooldir}:" \
  883.                     ${subdir}/Makefile.tem >> ${Makefile}
  884.             # final copy now in ${Makefile}
  885.  
  886.         else
  887.            echo "No Makefile.in found in ${srcdir}/${subdir}, unable to configure" 1>&2
  888.         fi
  889.  
  890.         rm -f ${subdir}/Makefile.tem
  891.  
  892.         case "${host_makefile_frag}" in
  893.         "") using= ;;
  894.         *) using="and \"${host_makefile_frag}\"" ;;
  895.         esac
  896.  
  897.         case "${target_makefile_frag}" in
  898.         "") ;;
  899.         *) using="${using} and \"${target_makefile_frag}\"" ;;
  900.         esac
  901.  
  902.         case "${site_makefile_frag}" in
  903.         "") ;;
  904.         *) using="${using} and \"${site_makefile_frag}\"" ;;
  905.         esac
  906.  
  907.         newusing=`echo "${using}" | sed 's/and/using/'`
  908.         using=${newusing}
  909.         echo "Created \"${Makefile}\" in" ${PWD=`pwd`} ${using}
  910.  
  911.         . ${tmpfile}.pos
  912.  
  913.         # describe the chosen configuration in config.status.
  914.         # Make that file a shellscript which will reestablish
  915.         # the same configuration.  Used in Makefiles to rebuild
  916.         # Makefiles.
  917.  
  918.         case "${norecursion}" in
  919.         "") arguments="${arguments} -norecursion" ;;
  920.         *) ;;
  921.         esac
  922.  
  923.         if [ ${subdir} = . ] ; then
  924.             echo "#!/bin/sh
  925. # ${NO_EDIT}
  926. # This directory was configured as follows:
  927. ${progname}" ${arguments}  "
  928. # ${using}" > ${subdir}/config.new
  929.         else
  930.             echo "#!/bin/sh
  931. # ${NO_EDIT}
  932. # This directory was configured as follows:
  933. cd ${invsubdir}
  934. ${progname}" ${arguments}  "
  935. # ${using}" > ${subdir}/config.new
  936.         fi
  937.         chmod a+x ${subdir}/config.new
  938.         if [ -r ${subdir}/config.back ] ; then
  939.                 mv -f ${subdir}/config.back ${subdir}/config.status
  940.         fi
  941.         ${moveifchange} ${subdir}/config.new ${subdir}/config.status
  942.         ;;
  943.  
  944.     *)  rm -f ${Makefile} ${subdir}/config.status ${links} ;;
  945.     esac
  946. done
  947.  
  948. # If there are subdirectories, then recur. 
  949. if [ -z "${norecursion}" -a -n "${configdirs}" ] ; then 
  950.         for configdir in ${configdirs} ; do
  951.  
  952.                 if [ -d ${srcdir}/${configdir} ] ; then
  953.                         eval echo Configuring ${configdir}... ${redirect}
  954.                         case "${srcdir}" in
  955.                         ".") ;;
  956.                         *)
  957.                                 if [ ! -d ./${configdir} ] ; then
  958.                                         if mkdir ./${configdir} ; then
  959.                                                 true
  960.                                         else
  961.                                                 echo '***' "${progname}: could not make ${PWD=`pwd`}/${configdir}" 1>&2
  962.                                                 exit 1
  963.                                         fi
  964.                                 fi
  965.                                 ;;
  966.                         esac
  967.  
  968.                         POPDIR=${PWD=`pwd`}
  969.                         cd ${configdir} 
  970.  
  971. ### figure out what to do with srcdir
  972.                         case "${srcdir}" in
  973.                         ".") newsrcdir=${srcdir} ;; # no -srcdir option.  We're building in place.
  974.                         /*) # absolute path
  975.                                 newsrcdir=${srcdir}/${configdir}
  976.                                 srcdiroption="-srcdir=${newsrcdir}"
  977.                                 ;;
  978.                         *) # otherwise relative
  979.                                 newsrcdir=../${srcdir}/${configdir}
  980.                                 srcdiroption="-srcdir=${newsrcdir}"
  981.                                 ;;
  982.                         esac
  983.  
  984. ### check for guested configure, otherwise fix possibly relative progname
  985.                         if [ -f ${newsrcdir}/configure ] ; then
  986.                                 recprog=${newsrcdir}/configure
  987.                         elif [ -f ${newsrcdir}/configure.in ] ; then
  988.                                 case "${progname}" in
  989.                                 /*)     recprog=${progname} ;;
  990.                                 *)      recprog=../${progname} ;;
  991.                                 esac
  992.             else
  993.                 eval echo No configuration information in ${configdir} ${redirect}
  994.                 recprog=
  995.                         fi
  996.  
  997. ### The recursion line is here.
  998.             if [ ! -z "${recprog}" ] ; then
  999.                             if eval ${config_shell} ${recprog} ${verbose} ${buildopt} --host=${host_alias} --target=${target_alias} \
  1000.                                     ${prefixoption} ${tmpdiroption} ${exec_prefixoption} \
  1001.                                     ${srcdiroption} ${program_prefixoption} ${program_suffixoption} ${program_transform_nameoption} ${site_option} ${withoptions} ${withoutoptions} ${removing} ${redirect} ; then
  1002.                                     true
  1003.                             else
  1004.                                     exit 1
  1005.                             fi
  1006.             fi
  1007.  
  1008.                         cd ${POPDIR}
  1009.                 fi
  1010.         done
  1011. fi
  1012.  
  1013. exit 0
  1014.  
  1015. #
  1016. # Local Variables:
  1017. # fill-column: 131
  1018. # End:
  1019. #
  1020.  
  1021. # end of configure
  1022.