gnu/dist/gdb6/gdb/config/djgpp/djconfig.sh

   1 #!/bin/sh
   2 #
   3 # This shell script is a wrapper to the main configure script when
   4 # configuring GDB for DJGPP.  99% of it can also be used when
   5 # configuring other GNU programs for DJGPP.
   6 #
   7 #=====================================================================
   8 # Copyright 1997,1999,2000,2001,2002,2003,2005 Free Software Foundation, Inc.
   9 #
  10 # Originally written by Robert Hoehne, revised by Eli Zaretskii.
  11 #  This file is part of GDB.
  12 #
  13 # This program is free software; you can redistribute it and/or modify
  14 # it under the terms of the GNU General Public License as published by
  15 # the Free Software Foundation; either version 2 of the License, or
  16 # (at your option) any later version.
  17 #
  18 # This program is distributed in the hope that it will be useful,
  19 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  20 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  21 # GNU General Public License for more details.
  22 #
  23 # You should have received a copy of the GNU General Public License
  24 # along with this program; if not, write to the Free Software
  25 # Foundation, Inc., 59 Temple Place - Suite 330,
  26 # Boston, MA 02111-1307, USA.  */
  27 #=====================================================================
  28 #
  29 # Call this script like the main configure script with one exception.  If you
  30 # want to pass parameters to configure, you have to pass as the first
  31 # argument the srcdir, even when it is `.' !!!!!
  32 #
  33 # First, undo any CDPATH settings; they will get in our way when we
  34 # chdir to directories.
  35 unset CDPATH
  36
  37 # Where are the sources? If you are used to having the sources
  38 # in a separate directory and the objects in another, then set
  39 # here the full path to the source directory and run this script
  40 # in the directory where you want to build gdb!!
  41 # You might give the source directory on commandline, but use
  42 # then only forward slashes (/) in the directories. It should be
  43 # an absolute path.
  44
  45 if [ x$1 = x ]; then
  46   srcdir=`pwd`
  47 else
  48   srcdir=`cd $1 && pwd`
  49   shift
  50 fi
  51
  52 # Make sure they don't have some file names mangled by untarring.
  53 echo -n "Checking the unpacked distribution..."
  54 if ( ! test -f ${srcdir}/bfd/ChangeLog.0203      || \
  55      ! test -f ${srcdir}/gdb/ChangeLog.002       || \
  56      ! test -f ${srcdir}/opcodes/ChangeLog.0203  || \
  57      ! test -f ${srcdir}/readline/config.h-in ) ; then
  58   if ( ! test -f ${srcdir}/bfd/ChangeLog.0203 ) ; then
  59     notfound=${srcdir}/bfd/ChangeLog.0203
  60   else
  61     if ( ! test -f ${srcdir}/gdb/ChangeLog.002) ; then
  62       notfound=${srcdir}/gdb/ChangeLog.002
  63     else
  64       if ( ! test -f ${srcdir}/readline/config.h-in ) ; then
  65         notfound=${srcdir}/readline/config.h-in
  66       else
  67         if ( ! test -f ${srcdir}/opcodes/ChangeLog.0203 ) ; then
  68           notfound=${srcdir}/opcodes/ChangeLog.0203
  69         fi
  70       fi
  71     fi
  72   fi
  73   echo " FAILED."
  74   echo "(File $notfound was not found.)"
  75   echo ""
  76   echo "You MUST unpack the sources with the DJTAR command, like this:"
  77   echo ""
  78   echo "         djtar -x -n fnchange.lst gdb-X.YZ.tar.gz"
  79   echo ""
  80   echo "where X.YZ is the GDB version, and fnchange.lst can be found"
  81   echo "in the gdb/config/djgpp/ directory in the GDB distribution."
  82   echo ""
  83   echo "configure FAILED!"
  84   exit 1
  85 else
  86   echo " ok."
  87 fi
  88
  89 # Where is the directory with DJGPP-specific scripts?
  90 DJGPPDIR=${srcdir}/gdb/config/djgpp
  91
  92 echo "Editing configure scripts for DJGPP..."
  93 TMPFILE="${TMPDIR-.}/cfg.tmp"
  94
  95 # We need to skip the build directory if it is a subdirectory of $srcdir,
  96 # otherwise we will have an infinite recursion on our hands...
  97 if test "`pwd`" == "${srcdir}" ; then
  98   SKIPDIR=""
  99   SKIPFILES=""
 100 else
 101   SKIPDIR=`pwd | sed -e "s|${srcdir}|.|"`
 102   SKIPFILES="${SKIPDIR}/*"
 103 fi
 104
 105 # We use explicit /dev/env/DJDIR/bin/find to avoid catching
 106 # an incompatible DOS/Windows version that might be on their PATH.
 107 for fix_dir in \
 108   `cd $srcdir && /dev/env/DJDIR/bin/find . -type d ! -ipath "${SKIPDIR}" ! -ipath "${SKIPFILES}"`
 109 do
 110   if test ! -f ${fix_dir}/configure.orig ; then
 111     if test -f ${srcdir}/${fix_dir}/configure ; then
 112       mkdir -p ${fix_dir}
 113       cp -p ${srcdir}/${fix_dir}/configure ${fix_dir}/configure.orig
 114     fi
 115   fi
 116   if test -f ${fix_dir}/configure.orig ; then
 117     sed -f ${DJGPPDIR}/config.sed ${fix_dir}/configure.orig > $TMPFILE
 118     update $TMPFILE ${fix_dir}/configure
 119     touch ./${fix_dir}/configure -r ${fix_dir}/configure.orig
 120     rm -f $TMPFILE
 121   fi
 122   if test -f ${fix_dir}/INSTALL ; then
 123     mv ${fix_dir}/INSTALL ${fix_dir}/INSTALL.txt
 124   fi
 125 done
 126
 127 # Now set the config shell. It is really needed, that the shell
 128 # points to a shell with full path and also it must conatain the
 129 # .exe suffix. I assume here, that bash is installed. If not,
 130 # install it. Additionally, the pathname must not contain a
 131 # drive letter, so use the /dev/x/foo format supported by versions
 132 # of Bash 2.03 and later, and by all DJGPP programs compiled with
 133 # v2.03 (or later) library.
 134 export CONFIG_SHELL=/dev/env/DJDIR/bin/sh.exe
 135
 136 # force to have the ltmain.sh script to be in DOS text format,
 137 # otherwise the resulting ltconfig script will have mixed
 138 # (UNIX/DOS) format and is unusable with Bash ports before v2.03.
 139 utod $srcdir/ltmain.sh
 140
 141 # Give the configure script some hints:
 142 export LD=ld
 143 export NM=nm
 144 export CC=gcc
 145 export CFLAGS="-O2 -g"
 146 export RANLIB=ranlib
 147 export DEFAULT_YACC="bison -y"
 148 export YACC="bison -y"
 149 export DEFAULT_LEX=flex
 150 # Define explicitly the .exe extension because on W95 with LFN=y
 151 # the check might fail
 152 export am_cv_exeext=.exe
 153 # ltconfig wants to compute the maximum command-line length, but
 154 # Bash 2.04 doesn't like that (it doesn't have any limit ;-), and
 155 # reboots the system.  We know our limit in advance, so we don't
 156 # need all that crap.  Assuming that the environment size is less
 157 # than 4KB, we can afford 12KB of command-line arguments.
 158 export lt_cv_sys_max_cmd_len=12288
 159
 160 # The configure script needs to see the `install-sh' script, otherwise
 161 # it decides the source installation is broken.  But "make install" will
 162 # fail on 8+3 filesystems if it finds a file `install-', since there
 163 # are numerous "install-foo" targets in Makefile's.  So we rename the
 164 # offending file after the configure step is done.
 165 if test ! -f ${srcdir}/install-sh ; then
 166   if test -f ${srcdir}/install-.sh ; then
 167     mv ${srcdir}/install-.sh ${srcdir}/install-sh
 168   fi
 169 fi
 170
 171 # Now run the configure script while disabling some things like the NLS
 172 # support, which is nearly impossible to be supported in the current way,
 173 # since it relies on file names which will never work on DOS.
 174 echo "Running the configure script..."
 175 $srcdir/configure --srcdir="$srcdir" --prefix='${DJDIR}' \
 176   --disable-shared --disable-nls --verbose --enable-build-warnings=\
 177 -Wimplicit,-Wcomment,-Wformat,-Wparentheses,-Wpointer-arith,-Wuninitialized $*
 178
 179 if test -f ${srcdir}/install- ; then
 180   mv ${srcdir}/install- ${srcdir}/install-.sh
 181 fi