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 3 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, see <http://www.gnu.org/licenses/>.
26#=====================================================================
27#
28# Call this script like the main configure script with one exception.  If you
29# want to pass parameters to configure, you have to pass as the first
30# argument the srcdir, even when it is `.' !!!!!
31#
32# First, undo any CDPATH settings; they will get in our way when we
33# chdir to directories.
34unset CDPATH
35
36# Where are the sources? If you are used to having the sources
37# in a separate directory and the objects in another, then set
38# here the full path to the source directory and run this script
39# in the directory where you want to build gdb!!
40# You might give the source directory on commandline, but use
41# then only forward slashes (/) in the directories. It should be
42# an absolute path.
43
44if [ x$1 = x ]; then
45  srcdir=`pwd`
46else
47  srcdir=`cd $1 && pwd`
48  shift
49fi
50
51# Make sure they don't have some file names mangled by untarring.
52echo -n "Checking the unpacked distribution..."
53if ( ! test -f ${srcdir}/bfd/ChangeLog.0203      || \
54     ! test -f ${srcdir}/gdb/ChangeLog.002       || \
55     ! test -f ${srcdir}/opcodes/ChangeLog.0203  || \
56     ! test -f ${srcdir}/readline/config.h-in ) ; then
57  if ( ! test -f ${srcdir}/bfd/ChangeLog.0203 ) ; then
58    notfound=${srcdir}/bfd/ChangeLog.0203
59  else
60    if ( ! test -f ${srcdir}/gdb/ChangeLog.002) ; then
61      notfound=${srcdir}/gdb/ChangeLog.002
62    else
63      if ( ! test -f ${srcdir}/readline/config.h-in ) ; then
64        notfound=${srcdir}/readline/config.h-in
65      else
66        if ( ! test -f ${srcdir}/opcodes/ChangeLog.0203 ) ; then
67          notfound=${srcdir}/opcodes/ChangeLog.0203
68        fi
69      fi
70    fi
71  fi
72  echo " FAILED."
73  echo "(File $notfound was not found.)"
74  echo ""
75  echo "You MUST unpack the sources with the DJTAR command, like this:"
76  echo ""
77  echo "         djtar -x -n fnchange.lst gdb-X.YZ.tar.gz"
78  echo ""
79  echo "where X.YZ is the GDB version, and fnchange.lst can be found"
80  echo "in the gdb/config/djgpp/ directory in the GDB distribution."
81  echo ""
82  echo "configure FAILED!"
83  exit 1
84else
85  echo " ok."
86fi
87
88# Where is the directory with DJGPP-specific scripts?
89DJGPPDIR=${srcdir}/gdb/config/djgpp
90
91echo "Editing configure scripts for DJGPP..."
92TMPFILE="${TMPDIR-.}/cfg.tmp"
93
94# We need to skip the build directory if it is a subdirectory of $srcdir,
95# otherwise we will have an infinite recursion on our hands...
96if test "`pwd`" == "${srcdir}" ; then
97  SKIPDIR=""
98  SKIPFILES=""
99else
100  SKIPDIR=`pwd | sed -e "s|${srcdir}|.|"`
101  SKIPFILES="${SKIPDIR}/*"
102fi
103
104# We use explicit /dev/env/DJDIR/bin/find to avoid catching
105# an incompatible DOS/Windows version that might be on their PATH.
106for fix_dir in \
107  `cd $srcdir && /dev/env/DJDIR/bin/find . -type d ! -ipath "${SKIPDIR}" ! -ipath "${SKIPFILES}"`
108do
109  if test ! -f ${fix_dir}/configure.orig ; then
110    if test -f ${srcdir}/${fix_dir}/configure ; then
111      mkdir -p ${fix_dir}
112      cp -p ${srcdir}/${fix_dir}/configure ${fix_dir}/configure.orig
113    fi
114  fi
115  if test -f ${fix_dir}/configure.orig ; then
116    sed -f ${DJGPPDIR}/config.sed ${fix_dir}/configure.orig > $TMPFILE
117    update $TMPFILE ${fix_dir}/configure
118    touch ./${fix_dir}/configure -r ${fix_dir}/configure.orig
119    rm -f $TMPFILE
120  fi
121  if test -f ${fix_dir}/INSTALL ; then
122    mv ${fix_dir}/INSTALL ${fix_dir}/INSTALL.txt
123  fi
124done
125
126# Now set the config shell. It is really needed, that the shell
127# points to a shell with full path and also it must conatain the
128# .exe suffix. I assume here, that bash is installed. If not,
129# install it. Additionally, the pathname must not contain a
130# drive letter, so use the /dev/x/foo format supported by versions
131# of Bash 2.03 and later, and by all DJGPP programs compiled with
132# v2.03 (or later) library.
133export CONFIG_SHELL=/dev/env/DJDIR/bin/sh.exe
134
135# force to have the ltmain.sh script to be in DOS text format,
136# otherwise the resulting ltconfig script will have mixed
137# (UNIX/DOS) format and is unusable with Bash ports before v2.03.
138utod $srcdir/ltmain.sh
139
140# Give the configure script some hints:
141export LD=ld
142export NM=nm
143export CC=gcc
144export CFLAGS="-O2 -g"
145export RANLIB=ranlib
146export DEFAULT_YACC="bison -y"
147export YACC="bison -y"
148export DEFAULT_LEX=flex
149# Define explicitly the .exe extension because on W95 with LFN=y
150# the check might fail
151export am_cv_exeext=.exe
152# ltconfig wants to compute the maximum command-line length, but
153# Bash 2.04 doesn't like that (it doesn't have any limit ;-), and
154# reboots the system.  We know our limit in advance, so we don't
155# need all that crap.  Assuming that the environment size is less
156# than 4KB, we can afford 12KB of command-line arguments.
157export lt_cv_sys_max_cmd_len=12288
158
159# The configure script needs to see the `install-sh' script, otherwise
160# it decides the source installation is broken.  But "make install" will
161# fail on 8+3 filesystems if it finds a file `install-', since there
162# are numerous "install-foo" targets in Makefile's.  So we rename the
163# offending file after the configure step is done.
164if test ! -f ${srcdir}/install-sh ; then
165  if test -f ${srcdir}/install-.sh ; then
166    mv ${srcdir}/install-.sh ${srcdir}/install-sh
167  fi
168fi
169
170# Now run the configure script while disabling some things like the NLS
171# support, which is nearly impossible to be supported in the current way,
172# since it relies on file names which will never work on DOS.
173echo "Running the configure script..."
174$srcdir/configure --srcdir="$srcdir" --prefix='${DJDIR}' \
175  --disable-shared --disable-nls --verbose --enable-build-warnings=\
176-Wimplicit,-Wcomment,-Wformat,-Wparentheses,-Wpointer-arith,-Wuninitialized $*
177
178if test -f ${srcdir}/install- ; then
179  mv ${srcdir}/install- ${srcdir}/install-.sh
180fi
181