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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