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 1997,1999,2000,2001,2002,2003,2005,2007
   9 # Free Software Foundation, Inc.
  10 #
  11 # Originally written by Robert Hoehne, revised by Eli Zaretskii.
  12 #  This file is part of GDB.
  13 #
  14 # This program is free software; you can redistribute it and/or modify
  15 # it under the terms of the GNU General Public License as published by
  16 # the Free Software Foundation; either version 2 of the License, or
  17 # (at your option) any later version.
  18 #
  19 # This program is distributed in the hope that it will be useful,
  20 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  21 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  22 # GNU General Public License for more details.
  23 #
  24 # You should have received a copy of the GNU General Public License
  25 # along with this program; if not, write to the Free Software
  26 # Foundation, Inc., 59 Temple Place - Suite 330,
  27 # Boston, MA 02111-1307, USA.  */
  28 #=====================================================================
  29 #
  30 # Call this script like the main configure script with one exception.  If you
  31 # want to pass parameters to configure, you have to pass as the first
  32 # argument the srcdir, even when it is `.' !!!!!
  33 #
  34 # First, undo any CDPATH settings; they will get in our way when we
  35 # chdir to directories.
  36 unset CDPATH
  37
  38 # Where are the sources? If you are used to having the sources
  39 # in a separate directory and the objects in another, then set
  40 # here the full path to the source directory and run this script
  41 # in the directory where you want to build gdb!!
  42 # You might give the source directory on commandline, but use
  43 # then only forward slashes (/) in the directories. It should be
  44 # an absolute path.
  45
  46 if [ x$1 = x ]; then
  47   srcdir=`pwd`
  48 else
  49   srcdir=`cd $1 && pwd`
  50   shift
  51 fi
  52
  53 # Make sure they don't have some file names mangled by untarring.
  54 echo -n "Checking the unpacked distribution..."
  55 if ( ! test -f ${srcdir}/bfd/ChangeLog.0203      || \
  56      ! test -f ${srcdir}/gdb/ChangeLog.002       || \
  57      ! test -f ${srcdir}/opcodes/ChangeLog.0203  || \
  58      ! test -f ${srcdir}/readline/config.h-in ) ; then
  59   if ( ! test -f ${srcdir}/bfd/ChangeLog.0203 ) ; then
  60     notfound=${srcdir}/bfd/ChangeLog.0203
  61   else
  62     if ( ! test -f ${srcdir}/gdb/ChangeLog.002) ; then
  63       notfound=${srcdir}/gdb/ChangeLog.002
  64     else
  65       if ( ! test -f ${srcdir}/readline/config.h-in ) ; then
  66         notfound=${srcdir}/readline/config.h-in
  67       else
  68         if ( ! test -f ${srcdir}/opcodes/ChangeLog.0203 ) ; then
  69           notfound=${srcdir}/opcodes/ChangeLog.0203
  70         fi
  71       fi
  72     fi
  73   fi
  74   echo " FAILED."
  75   echo "(File $notfound was not found.)"
  76   echo ""
  77   echo "You MUST unpack the sources with the DJTAR command, like this:"
  78   echo ""
  79   echo "         djtar -x -n fnchange.lst gdb-X.YZ.tar.gz"
  80   echo ""
  81   echo "where X.YZ is the GDB version, and fnchange.lst can be found"
  82   echo "in the gdb/config/djgpp/ directory in the GDB distribution."
  83   echo ""
  84   echo "configure FAILED!"
  85   exit 1
  86 else
  87   echo " ok."
  88 fi
  89
  90 # Where is the directory with DJGPP-specific scripts?
  91 DJGPPDIR=${srcdir}/gdb/config/djgpp
  92
  93 echo "Editing configure scripts for DJGPP..."
  94 TMPFILE="${TMPDIR-.}/cfg.tmp"
  95
  96 # We need to skip the build directory if it is a subdirectory of $srcdir,
  97 # otherwise we will have an infinite recursion on our hands...
  98 if test "`pwd`" == "${srcdir}" ; then
  99   SKIPDIR=""
 100   SKIPFILES=""
 101 else
 102   SKIPDIR=`pwd | sed -e "s|${srcdir}|.|"`
 103   SKIPFILES="${SKIPDIR}/*"
 104 fi
 105
 106 # We use explicit /dev/env/DJDIR/bin/find to avoid catching
 107 # an incompatible DOS/Windows version that might be on their PATH.
 108 for fix_dir in \
 109   `cd $srcdir && /dev/env/DJDIR/bin/find . -type d ! -ipath "${SKIPDIR}" ! -ipath "${SKIPFILES}"`
 110 do
 111   if test ! -f ${fix_dir}/configure.orig ; then
 112     if test -f ${srcdir}/${fix_dir}/configure ; then
 113       mkdir -p ${fix_dir}
 114       cp -p ${srcdir}/${fix_dir}/configure ${fix_dir}/configure.orig
 115     fi
 116   fi
 117   if test -f ${fix_dir}/configure.orig ; then
 118     sed -f ${DJGPPDIR}/config.sed ${fix_dir}/configure.orig > $TMPFILE
 119     update $TMPFILE ${fix_dir}/configure
 120     touch ./${fix_dir}/configure -r ${fix_dir}/configure.orig
 121     rm -f $TMPFILE
 122   fi
 123   if test -f ${fix_dir}/INSTALL ; then
 124     mv ${fix_dir}/INSTALL ${fix_dir}/INSTALL.txt
 125   fi
 126 done
 127
 128 # Now set the config shell. It is really needed, that the shell
 129 # points to a shell with full path and also it must conatain the
 130 # .exe suffix. I assume here, that bash is installed. If not,
 131 # install it. Additionally, the pathname must not contain a
 132 # drive letter, so use the /dev/x/foo format supported by versions
 133 # of Bash 2.03 and later, and by all DJGPP programs compiled with
 134 # v2.03 (or later) library.
 135 export CONFIG_SHELL=/dev/env/DJDIR/bin/sh.exe
 136
 137 # force to have the ltmain.sh script to be in DOS text format,
 138 # otherwise the resulting ltconfig script will have mixed
 139 # (UNIX/DOS) format and is unusable with Bash ports before v2.03.
 140 utod $srcdir/ltmain.sh
 141
 142 # Give the configure script some hints:
 143 export LD=ld
 144 export NM=nm
 145 export CC=gcc
 146 export CFLAGS="-O2 -g"
 147 export RANLIB=ranlib
 148 export DEFAULT_YACC="bison -y"
 149 export YACC="bison -y"
 150 export DEFAULT_LEX=flex
 151 # Define explicitly the .exe extension because on W95 with LFN=y
 152 # the check might fail
 153 export am_cv_exeext=.exe
 154 # ltconfig wants to compute the maximum command-line length, but
 155 # Bash 2.04 doesn't like that (it doesn't have any limit ;-), and
 156 # reboots the system.  We know our limit in advance, so we don't
 157 # need all that crap.  Assuming that the environment size is less
 158 # than 4KB, we can afford 12KB of command-line arguments.
 159 export lt_cv_sys_max_cmd_len=12288
 160
 161 # The configure script needs to see the `install-sh' script, otherwise
 162 # it decides the source installation is broken.  But "make install" will
 163 # fail on 8+3 filesystems if it finds a file `install-', since there
 164 # are numerous "install-foo" targets in Makefile's.  So we rename the
 165 # offending file after the configure step is done.
 166 if test ! -f ${srcdir}/install-sh ; then
 167   if test -f ${srcdir}/install-.sh ; then
 168     mv ${srcdir}/install-.sh ${srcdir}/install-sh
 169   fi
 170 fi
 171
 172 # Now run the configure script while disabling some things like the NLS
 173 # support, which is nearly impossible to be supported in the current way,
 174 # since it relies on file names which will never work on DOS.
 175 echo "Running the configure script..."
 176 $srcdir/configure --srcdir="$srcdir" --prefix='${DJDIR}' \
 177   --disable-shared --disable-nls --verbose --enable-build-warnings=\
 178 -Wimplicit,-Wcomment,-Wformat,-Wparentheses,-Wpointer-arith,-Wuninitialized $*
 179
 180 if test -f ${srcdir}/install- ; then
 181   mv ${srcdir}/install- ${srcdir}/install-.sh
 182 fi