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#!/bin/sh
#
# This shell script is a wrapper to the main configure script when
# configuring GDB for DJGPP.  99% of it can also be used when
# configuring other GNU programs for DJGPP.
#
#=====================================================================
# Copyright 1997,1999,2000,2001,2002,2003,2005,2007,2008
# Free Software Foundation, Inc.
#
# Originally written by Robert Hoehne, revised by Eli Zaretskii.
# This file is part of GDB.
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program.  If not, see <http://www.gnu.org/licenses/>.
#=====================================================================
#
# Call this script like the main configure script with one exception.  If you
# want to pass parameters to configure, you have to pass as the first
# argument the srcdir, even when it is `.' !!!!!
#
# First, undo any CDPATH settings; they will get in our way when we
# chdir to directories.
unset CDPATH
 
# Where are the sources? If you are used to having the sources
# in a separate directory and the objects in another, then set
# here the full path to the source directory and run this script
# in the directory where you want to build gdb!!
# You might give the source directory on commandline, but use
# then only forward slashes (/) in the directories. It should be
# an absolute path.
 
if [ x$1 = x ]; then
  srcdir=`pwd`
else
  srcdir=`cd $1 && pwd`
  shift
fi
 
# Make sure they don't have some file names mangled by untarring.
echo -n "Checking the unpacked distribution..."
if ( ! test -f ${srcdir}/bfd/ChangeLog.0203      || \
     ! test -f ${srcdir}/gdb/ChangeLog.002       || \
     ! test -f ${srcdir}/opcodes/ChangeLog.0203  || \
     ! test -f ${srcdir}/readline/config.h-in ) ; then
  if ( ! test -f ${srcdir}/bfd/ChangeLog.0203 ) ; then
    notfound=${srcdir}/bfd/ChangeLog.0203
  else
    if ( ! test -f ${srcdir}/gdb/ChangeLog.002) ; then
      notfound=${srcdir}/gdb/ChangeLog.002
    else
      if ( ! test -f ${srcdir}/readline/config.h-in ) ; then
        notfound=${srcdir}/readline/config.h-in
      else
        if ( ! test -f ${srcdir}/opcodes/ChangeLog.0203 ) ; then
          notfound=${srcdir}/opcodes/ChangeLog.0203
        fi
      fi
    fi
  fi
  echo " FAILED."
  echo "(File $notfound was not found.)"
  echo ""
  echo "You MUST unpack the sources with the DJTAR command, like this:"
  echo ""
  echo "         djtar -x -n fnchange.lst gdb-X.YZ.tar.gz"
  echo ""
  echo "where X.YZ is the GDB version, and fnchange.lst can be found"
  echo "in the gdb/config/djgpp/ directory in the GDB distribution."
  echo ""
  echo "configure FAILED!"
  exit 1
else
  echo " ok."
fi
 
# Where is the directory with DJGPP-specific scripts?
DJGPPDIR=${srcdir}/gdb/config/djgpp
 
echo "Editing configure scripts for DJGPP..."
TMPFILE="${TMPDIR-.}/cfg.tmp"
 
# We need to skip the build directory if it is a subdirectory of $srcdir,
# otherwise we will have an infinite recursion on our hands...
if test "`pwd`" == "${srcdir}" ; then
  SKIPDIR=""
  SKIPFILES=""
else
  SKIPDIR=`pwd | sed -e "s|${srcdir}|.|"`
  SKIPFILES="${SKIPDIR}/*"
fi
 
# We use explicit /dev/env/DJDIR/bin/find to avoid catching
# an incompatible DOS/Windows version that might be on their PATH.
for fix_dir in \
  `cd $srcdir && /dev/env/DJDIR/bin/find . -type d ! -ipath "${SKIPDIR}" ! -ipath "${SKIPFILES}"`
do
  if test ! -f ${fix_dir}/configure.orig ; then
    if test -f ${srcdir}/${fix_dir}/configure ; then
      mkdir -p ${fix_dir}
      cp -p ${srcdir}/${fix_dir}/configure ${fix_dir}/configure.orig
    fi
  fi
  if test -f ${fix_dir}/configure.orig ; then
    sed -f ${DJGPPDIR}/config.sed ${fix_dir}/configure.orig > $TMPFILE
    update $TMPFILE ${fix_dir}/configure
    touch ./${fix_dir}/configure -r ${fix_dir}/configure.orig
    rm -f $TMPFILE
  fi
  if test -f ${fix_dir}/INSTALL ; then
    mv ${fix_dir}/INSTALL ${fix_dir}/INSTALL.txt
  fi
done
 
# Now set the config shell. It is really needed, that the shell
# points to a shell with full path and also it must conatain the
# .exe suffix. I assume here, that bash is installed. If not,
# install it. Additionally, the pathname must not contain a
# drive letter, so use the /dev/x/foo format supported by versions
# of Bash 2.03 and later, and by all DJGPP programs compiled with
# v2.03 (or later) library.
export CONFIG_SHELL=/dev/env/DJDIR/bin/sh.exe
 
# force to have the ltmain.sh script to be in DOS text format,
# otherwise the resulting ltconfig script will have mixed
# (UNIX/DOS) format and is unusable with Bash ports before v2.03.
utod $srcdir/ltmain.sh
 
# Give the configure script some hints:
export LD=ld
export NM=nm
export CC=gcc
export CFLAGS="-O2 -g"
export RANLIB=ranlib
export DEFAULT_YACC="bison -y"
export YACC="bison -y"
export DEFAULT_LEX=flex
# Define explicitly the .exe extension because on W95 with LFN=y
# the check might fail
export am_cv_exeext=.exe
# ltconfig wants to compute the maximum command-line length, but
# Bash 2.04 doesn't like that (it doesn't have any limit ;-), and
# reboots the system.  We know our limit in advance, so we don't
# need all that crap.  Assuming that the environment size is less
# than 4KB, we can afford 12KB of command-line arguments.
export lt_cv_sys_max_cmd_len=12288
 
# The configure script needs to see the `install-sh' script, otherwise
# it decides the source installation is broken.  But "make install" will
# fail on 8+3 filesystems if it finds a file `install-', since there
# are numerous "install-foo" targets in Makefile's.  So we rename the
# offending file after the configure step is done.
if test ! -f ${srcdir}/install-sh ; then
  if test -f ${srcdir}/install-.sh ; then
    mv ${srcdir}/install-.sh ${srcdir}/install-sh
  fi
fi
 
# Now run the configure script while disabling some things like the NLS
# support, which is nearly impossible to be supported in the current way,
# since it relies on file names which will never work on DOS.
echo "Running the configure script..."
$srcdir/configure --srcdir="$srcdir" --prefix='${DJDIR}' \
  --disable-shared --disable-nls --verbose --enable-build-warnings=\
-Wimplicit,-Wcomment,-Wformat,-Wparentheses,-Wpointer-arith,-Wuninitialized $*
 
if test -f ${srcdir}/install- ; then
  mv ${srcdir}/install- ${srcdir}/install-.sh
fi