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 (C) 1997-2019 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 3 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, see <http://www.gnu.org/licenses/>.
  25 #=====================================================================
  26 #
  27 # Call this script like the main configure script with one exception.  If you
  28 # want to pass parameters to configure, you have to pass as the first
  29 # argument the srcdir, even when it is `.' !!!!!
  30 #
  31 # First, undo any CDPATH settings; they will get in our way when we
  32 # chdir to directories.
  33 unset CDPATH
  34
  35 # Where are the sources? If you are used to having the sources
  36 # in a separate directory and the objects in another, then set
  37 # here the full path to the source directory and run this script
  38 # in the directory where you want to build gdb!!
  39 # You might give the source directory on commandline, but use
  40 # then only forward slashes (/) in the directories. It should be
  41 # an absolute path.
  42
  43 if [ x$1 = x ]; then
  44   srcdir=`pwd`
  45 else
  46   srcdir=`cd $1 && pwd`
  47   shift
  48 fi
  49
  50 # Make sure they don't have some file names mangled by untarring.
  51 echo -n "Checking the unpacked distribution..."
  52 if ( ! test -f ${srcdir}/bfd/ChangeLog.0203      || \
  53      ! test -f ${srcdir}/gdb/ChangeLog.002       || \
  54      ! test -f ${srcdir}/opcodes/ChangeLog.0203  || \
  55      ! test -f ${srcdir}/readline/config.h-in ) ; then
  56   if ( ! test -f ${srcdir}/bfd/ChangeLog.0203 ) ; then
  57     notfound=${srcdir}/bfd/ChangeLog.0203
  58   else
  59     if ( ! test -f ${srcdir}/gdb/ChangeLog.002) ; then
  60       notfound=${srcdir}/gdb/ChangeLog.002
  61     else
  62       if ( ! test -f ${srcdir}/readline/config.h-in ) ; then
  63         notfound=${srcdir}/readline/config.h-in
  64       else
  65         if ( ! test -f ${srcdir}/opcodes/ChangeLog.0203 ) ; then
  66           notfound=${srcdir}/opcodes/ChangeLog.0203
  67         fi
  68       fi
  69     fi
  70   fi
  71   echo " FAILED."
  72   echo "(File $notfound was not found.)"
  73   echo ""
  74   echo "You MUST unpack the sources with the DJTAR command, like this:"
  75   echo ""
  76   echo "         djtar -x -n fnchange.lst gdb-X.YZ.tar.gz"
  77   echo ""
  78   echo "where X.YZ is the GDB version, and fnchange.lst can be found"
  79   echo "in the gdb/config/djgpp/ directory in the GDB distribution."
  80   echo ""
  81   echo "configure FAILED!"
  82   exit 1
  83 else
  84   echo " ok."
  85 fi
  86
  87 # Where is the directory with DJGPP-specific scripts?
  88 DJGPPDIR=${srcdir}/gdb/config/djgpp
  89
  90 echo "Editing configure scripts for DJGPP..."
  91 TMPFILE="${TMPDIR-.}/cfg.tmp"
  92
  93 # We need to skip the build directory if it is a subdirectory of $srcdir,
  94 # otherwise we will have an infinite recursion on our hands...
  95 if test "`pwd`" = "${srcdir}" ; then
  96   SKIPDIR=""
  97   SKIPFILES=""
  98 else
  99   SKIPDIR=`pwd | sed -e "s|${srcdir}|.|"`
 100   SKIPFILES="${SKIPDIR}/*"
 101 fi
 102
 103 # We use explicit /dev/env/DJDIR/bin/find to avoid catching
 104 # an incompatible DOS/Windows version that might be on their PATH.
 105 for fix_dir in \
 106   `cd $srcdir && /dev/env/DJDIR/bin/find . -type d ! -ipath "${SKIPDIR}" ! -ipath "${SKIPFILES}"`
 107 do
 108   if test ! -f ${fix_dir}/configure.orig ; then
 109     if test -f ${srcdir}/${fix_dir}/configure ; then
 110       mkdir -p ${fix_dir}
 111       cp -p ${srcdir}/${fix_dir}/configure ${fix_dir}/configure.orig
 112     fi
 113   fi
 114   if test -f ${fix_dir}/configure.orig ; then
 115     sed -f ${DJGPPDIR}/config.sed ${fix_dir}/configure.orig > $TMPFILE
 116     update $TMPFILE ${fix_dir}/configure
 117     touch ./${fix_dir}/configure -r ${fix_dir}/configure.orig
 118     rm -f $TMPFILE
 119   fi
 120   if test -f ${fix_dir}/INSTALL ; then
 121     mv ${fix_dir}/INSTALL ${fix_dir}/INSTALL.txt
 122   fi
 123 done
 124
 125 # Now set the config shell. It is really needed, that the shell
 126 # points to a shell with full path and also it must conatain the
 127 # .exe suffix. I assume here, that bash is installed. If not,
 128 # install it. Additionally, the pathname must not contain a
 129 # drive letter, so use the /dev/x/foo format supported by versions
 130 # of Bash 2.03 and later, and by all DJGPP programs compiled with
 131 # v2.03 (or later) library.
 132 export CONFIG_SHELL=/dev/env/DJDIR/bin/sh.exe
 133
 134 # force to have the ltmain.sh script to be in DOS text format,
 135 # otherwise the resulting ltconfig script will have mixed
 136 # (UNIX/DOS) format and is unusable with Bash ports before v2.03.
 137 utod $srcdir/ltmain.sh
 138
 139 # Give the configure script some hints:
 140 export LD=ld
 141 export NM=nm
 142 export CC=gcc
 143 export CXX=gpp
 144 export CFLAGS="-O2 -ggdb -g3"
 145 export RANLIB=ranlib
 146 export DEFAULT_YACC="bison -y"
 147 export YACC="bison -y"
 148 export DEFAULT_LEX=flex
 149 export PATH_SEPARATOR=';'
 150 # Define explicitly the .exe extension because on W95 with LFN=y
 151 # the check might fail
 152 export am_cv_exeext=.exe
 153 # ltconfig wants to compute the maximum command-line length, but
 154 # Bash 2.04 doesn't like that (it doesn't have any limit ;-), and
 155 # reboots the system.  We know our limit in advance, so we don't
 156 # need all that crap.  Assuming that the environment size is less
 157 # than 4KB, we can afford 12KB of command-line arguments.
 158 export lt_cv_sys_max_cmd_len=12288
 159 # Force depcomp to use _deps rather than .deps as the name of the
 160 # subdirectory where the *.Po dependency files are put.  File names
 161 # with leading dots are invalid on DOS 8+3 filesystems.
 162 export DEPDIR=${DEPDIR:-_deps}
 163
 164 # The configure script needs to see the `install-sh' script, otherwise
 165 # it decides the source installation is broken.  But "make install" will
 166 # fail on 8+3 filesystems if it finds a file `install-', since there
 167 # are numerous "install-foo" targets in Makefile's.  So we rename the
 168 # offending file after the configure step is done.
 169 if test ! -f ${srcdir}/install-sh ; then
 170   if test -f ${srcdir}/install-.sh ; then
 171     mv ${srcdir}/install-.sh ${srcdir}/install-sh
 172   fi
 173 fi
 174
 175 # Now run the configure script while disabling some things like the NLS
 176 # support, which is nearly impossible to be supported in the current way,
 177 # since it relies on file names which will never work on DOS.
 178 echo "Running the configure script..."
 179 $srcdir/configure --srcdir="$srcdir" --prefix='${DJDIR}' \
 180   --disable-shared --disable-nls --verbose --enable-build-warnings=\
 181 -Wimplicit,-Wcomment,-Wformat,-Wparentheses,-Wpointer-arith,-Wuninitialized $*
 182
 183 if test -f ${srcdir}/install- ; then
 184   mv ${srcdir}/install- ${srcdir}/install-.sh
 185 fi