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 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.
35unset 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
45if [ x$1 = x ]; then
46  srcdir=`pwd`
47else
48  srcdir=`cd $1 && pwd`
49  shift
50fi
51
52# Make sure they don't have some file names mangled by untarring.
53echo -n "Checking the unpacked distribution..."
54if ( ! test -f ${srcdir}/intl/po2tblsed.in || \
55     ! test -f ${srcdir}/gdb/ChangeLog.002 || \
56     ! test -f ${srcdir}/readline/config.h-in ) ; then
57  if ( ! test -f ${srcdir}/intl/po2tblsed.in ) ; then
58    notfound=${srcdir}/intl/po2tblsed.in
59  else
60    if ( ! test -d ${srcdir}/gdb/testsuite/cxx) ; then
61      notfound=${srcdir}/gdb/ChangeLog.002
62    else
63      if ( ! test -f ${srcdir}/readline/config.h-in ) ; then
64        notfound=${srcdir}/readline/config.h-in
65      fi
66    fi
67  fi
68  echo " FAILED."
69  echo "(File $notfound was not found.)"
70  echo ""
71  echo "You MUST unpack the sources with the DJTAR command, like this:"
72  echo ""
73  echo "         djtar -x -n fnchange.lst gdb-X.YZ.tar.gz"
74  echo ""
75  echo "where X.YZ is the GDB version, and fnchange.lst can be found"
76  echo "in the gdb/config/djgpp/ directory in the GDB distribution."
77  echo ""
78  echo "configure FAILED!"
79  exit 1
80else
81  echo " ok."
82fi
83
84# Where is the directory with DJGPP-specific scripts?
85DJGPPDIR=${srcdir}/gdb/config/djgpp
86
87echo "Editing configure scripts for DJGPP..."
88TMPFILE="${TMPDIR-.}/cfg.tmp"
89
90# We need to skip the build directory if it is a subdirectory of $srcdir,
91# otherwise we will have an infinite recursion on our hands...
92if test "`pwd`" == "${srcdir}" ; then
93  SKIPDIR=""
94  SKIPFILES=""
95else
96  SKIPDIR=`pwd | sed -e "s|${srcdir}|.|"`
97  SKIPFILES="${SKIPDIR}/*"
98fi
99
100# We use explicit /dev/env/DJDIR/bin/find to avoid catching
101# an incompatible DOS/Windows version that might be on their PATH.
102for fix_dir in \
103  `cd $srcdir && /dev/env/DJDIR/bin/find . -type d ! -ipath "${SKIPDIR}" ! -ipath "${SKIPFILES}"`
104do
105  if test ! -f ${fix_dir}/configure.orig ; then
106    if test -f ${srcdir}/${fix_dir}/configure ; then
107      mkdir -p ${fix_dir}
108      cp -p ${srcdir}/${fix_dir}/configure ${fix_dir}/configure.orig
109    fi
110  fi
111  if test -f ${fix_dir}/configure.orig ; then
112    sed -f ${DJGPPDIR}/config.sed ${fix_dir}/configure.orig > $TMPFILE
113    update $TMPFILE ${fix_dir}/configure
114    touch ./${fix_dir}/configure -r ${fix_dir}/configure.orig
115    rm -f $TMPFILE
116  fi
117  if test -f ${fix_dir}/INSTALL ; then
118    mv ${fix_dir}/INSTALL ${fix_dir}/INSTALL.txt
119  fi
120done
121
122# Now set the config shell. It is really needed, that the shell
123# points to a shell with full path and also it must conatain the
124# .exe suffix. I assume here, that bash is installed. If not,
125# install it. Additionally, the pathname must not contain a
126# drive letter, so use the /dev/x/foo format supported by versions
127# of Bash 2.03 and later, and by all DJGPP programs compiled with
128# v2.03 (or later) library.
129export CONFIG_SHELL=/dev/env/DJDIR/bin/sh.exe
130
131# force to have the ltmain.sh script to be in DOS text format,
132# otherwise the resulting ltconfig script will have mixed
133# (UNIX/DOS) format and is unusable with Bash ports before v2.03.
134utod $srcdir/ltmain.sh
135
136# Give the configure script some hints:
137export LD=ld
138export NM=nm
139export CC=gcc
140export CFLAGS="-O2 -g"
141export RANLIB=ranlib
142export DEFAULT_YACC="bison -y"
143export YACC="bison -y"
144export DEFAULT_LEX=flex
145# Define explicitly the .exe extension because on W95 with LFN=y
146# the check might fail
147export am_cv_exeext=.exe
148# ltconfig wants to compute the maximum command-line length, but
149# Bash 2.04 doesn't like that (it doesn't have any limit ;-), and
150# reboots the system.  We know our limit in advance, so we don't
151# need all that crap.  Assuming that the environment size is less
152# than 4KB, we can afford 12KB of command-line arguments.
153export lt_cv_sys_max_cmd_len=12288
154
155# The configure script needs to see the `install-sh' script, otherwise
156# it decides the source installation is broken.  But "make install" will
157# fail on 8+3 filesystems if it finds a file `install-', since there
158# are numerous "install-foo" targets in Makefile's.  So we rename the
159# offending file after the configure step is done.
160if test ! -f ${srcdir}/install-sh ; then
161  if test -f ${srcdir}/install-.sh ; then
162    mv ${srcdir}/install-.sh ${srcdir}/install-sh
163  fi
164fi
165
166# Now run the configure script while disabling some things like the NLS
167# support, which is nearly impossible to be supported in the current way,
168# since it relies on file names which will never work on DOS.
169echo "Running the configure script..."
170$srcdir/configure --srcdir="$srcdir" --prefix='${DJDIR}' \
171  --disable-shared --disable-nls --verbose --enable-build-warnings=\
172-Wimplicit,-Wcomment,-Wformat,-Wparentheses,-Wpointer-arith $*
173
174if test -f ${srcdir}/install- ; then
175  mv ${srcdir}/install- ${srcdir}/install-.sh
176fi
177