316 lines
8.8 KiB
Plaintext
316 lines
8.8 KiB
Plaintext
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#! /bin/sh
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#
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# fixinc.sco -- Install modified versions of SCO system include
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# files.
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#
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# Based on fixinc.svr4 script by Ron Guilmette (rfg@ncd.com) (SCO
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# modifications by Ian Lance Taylor (ian@airs.com)).
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#
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# This file is part of GNU CC.
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#
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# GNU CC is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2, or (at your option)
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# any later version.
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#
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# GNU CC is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with GNU CC; see the file COPYING. If not, write to
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# the Free Software Foundation, 59 Temple Place - Suite 330,
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# Boston, MA 02111-1307, USA.
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#
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# This script munges the native include files provided with SCO
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# 3.2v4 systems so as to provide a reasonable namespace when
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# compiling with gcc. The header files by default do not
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# provide many essential definitions and declarations if
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# __STDC__ is 1. This script modifies the header files to check
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# for __STRICT_ANSI__ being defined instead. Once munged, the
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# resulting new system include files are placed in a directory
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# that GNU C will search *before* searching the /usr/include
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# directory. This script should work properly for most SCO
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# 3.2v4 systems. For other types of systems, you should use the
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# `fixincludes' or the `fixinc.svr4' script instead.
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#
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# See README-fixinc for more information.
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# Directory containing the original header files.
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INPUT=${2-${INPUT-/usr/include}}
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# Fail if no arg to specify a directory for the output.
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if [ x$1 = x ]
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then echo fixincludes: no output directory specified
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exit 1
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fi
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# Directory in which to store the results.
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LIB=${1?"fixincludes: output directory not specified"}
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# Make sure it exists.
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if [ ! -d $LIB ]; then
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mkdir $LIB || exit 1
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fi
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ORIG_DIR=`pwd`
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# Make LIB absolute if it is relative.
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# Don't do this if not necessary, since may screw up automounters.
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case $LIB in
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/*)
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;;
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*)
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cd $LIB; LIB=`${PWDCMD-pwd}`
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;;
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esac
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echo 'Building fixincludes in ' ${LIB}
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# Determine whether this filesystem has symbolic links.
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if ln -s X $LIB/ShouldNotExist 2>/dev/null; then
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rm -f $LIB/ShouldNotExist
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LINKS=true
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else
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LINKS=false
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fi
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echo 'Making directories:'
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cd ${INPUT}
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if $LINKS; then
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files=`ls -LR | sed -n s/:$//p`
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else
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files=`find . -type d -print | sed '/^.$/d'`
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fi
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for file in $files; do
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rm -rf $LIB/$file
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if [ ! -d $LIB/$file ]
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then mkdir $LIB/$file
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fi
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done
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# treetops gets an alternating list
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# of old directories to copy
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# and the new directories to copy to.
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treetops="${INPUT} ${LIB}"
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if $LINKS; then
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echo 'Making internal symbolic directory links'
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for file in $files; do
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dest=`ls -ld $file | sed -n 's/.*-> //p'`
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if [ "$dest" ]; then
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cwd=`pwd`
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# In case $dest is relative, get to $file's dir first.
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cd ${INPUT}
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cd `echo ./$file | sed -n 's&[^/]*$&&p'`
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# Check that the target directory exists.
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# Redirections changed to avoid bug in sh on Ultrix.
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(cd $dest) > /dev/null 2>&1
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if [ $? = 0 ]; then
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cd $dest
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# X gets the dir that the link actually leads to.
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x=`pwd`
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# If link leads back into ${INPUT},
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# make a similar link here.
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if expr $x : "${INPUT}/.*" > /dev/null; then
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# Y gets the actual target dir name, relative to ${INPUT}.
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y=`echo $x | sed -n "s&${INPUT}/&&p"`
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echo $file '->' $y ': Making link'
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rm -fr ${LIB}/$file > /dev/null 2>&1
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ln -s ${LIB}/$y ${LIB}/$file > /dev/null 2>&1
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else
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# If the link is to outside ${INPUT},
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# treat this directory as if it actually contained the files.
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# This line used to have $dest instead of $x.
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# $dest seemed to be wrong for links found in subdirectories
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# of ${INPUT}. Does this change break anything?
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treetops="$treetops $x ${LIB}/$file"
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fi
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fi
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cd $cwd
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fi
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done
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fi
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set - $treetops
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while [ $# != 0 ]; do
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# $1 is an old directory to copy, and $2 is the new directory to copy to.
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echo "Finding header files in $1:"
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cd ${INPUT}
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cd $1
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files=`find . -name '*.h' -type f -print`
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echo 'Checking header files:'
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for file in $files; do
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if egrep '!__STDC__' $file >/dev/null; then
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if [ -r $file ]; then
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cp $file $2/$file >/dev/null 2>&1 || echo "Can't copy $file"
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chmod +w $2/$file
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chmod a+r $2/$file
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# The following have been removed from the sed command below
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# because it is more useful to leave these things in.
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# The only reason to remove them was for -pedantic,
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# which isn't much of a reason. -- rms.
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# /^[ ]*#[ ]*ident/d
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sed -e '
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s/!__STDC__/!defined (__STRICT_ANSI__)/g
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' $2/$file > $2/$file.sed
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mv $2/$file.sed $2/$file
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if cmp $file $2/$file >/dev/null 2>&1; then
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rm $2/$file
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else
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echo Fixed $file
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fi
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fi
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fi
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done
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shift; shift
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done
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# Fix first broken decl of getcwd present on some svr4 systems.
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file=stdlib.h
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base=`basename $file`
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if [ -r ${LIB}/$file ]; then
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file_to_fix=${LIB}/$file
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else
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if [ -r ${INPUT}/$file ]; then
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file_to_fix=${INPUT}/$file
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else
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file_to_fix=""
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fi
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fi
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if [ \! -z "$file_to_fix" ]; then
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echo Checking $file_to_fix
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sed -e 's/getcwd(char \{0,\}\*, int)/getcwd(char *, size_t)/' $file_to_fix > /tmp/$base
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if cmp $file_to_fix /tmp/$base >/dev/null 2>&1; then \
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true
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else
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echo Fixed $file_to_fix
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rm -f ${LIB}/$file
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cp /tmp/$base ${LIB}/$file
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chmod a+r ${LIB}/$file
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fi
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rm -f /tmp/$base
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fi
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# Fix second broken decl of getcwd present on some svr4 systems. Also
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# fix the incorrect decl of profil present on some svr4 systems.
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file=unistd.h
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base=`basename $file`
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if [ -r ${LIB}/$file ]; then
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file_to_fix=${LIB}/$file
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else
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if [ -r ${INPUT}/$file ]; then
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file_to_fix=${INPUT}/$file
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else
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file_to_fix=""
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fi
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fi
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if [ \! -z "$file_to_fix" ]; then
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echo Checking $file_to_fix
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sed -e 's/getcwd(char \*, int)/getcwd(char *, size_t)/' $file_to_fix \
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| sed -e 's/profil(unsigned short \*, unsigned int, unsigned int, unsigned int)/profil(unsigned short *, size_t, int, unsigned)/' > /tmp/$base
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if cmp $file_to_fix /tmp/$base >/dev/null 2>&1; then \
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true
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else
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echo Fixed $file_to_fix
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rm -f ${LIB}/$file
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cp /tmp/$base ${LIB}/$file
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chmod a+r ${LIB}/$file
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fi
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rm -f /tmp/$base
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fi
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# Fix third broken decl of getcwd on SCO. Also fix incorrect decl of
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# link.
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file=prototypes.h
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base=`basename $file`
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if [ -r ${LIB}/$file ]; then
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file_to_fix=${LIB}/$file
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else
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if [ -r ${INPUT}/$file ]; then
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file_to_fix=${INPUT}/$file
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else
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file_to_fix=""
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fi
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fi
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if [ \! -z "$file_to_fix" ]; then
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echo Checking $file_to_fix
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sed -e 's/getcwd(char \*, int)/getcwd(char *, size_t)/' $file_to_fix \
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| sed -e 's/const int link(const char \*, char \*)/extern int link(const char *, const char *)/' > /tmp/$base
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if cmp $file_to_fix /tmp/$base >/dev/null 2>&1; then \
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true
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else
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echo Fixed $file_to_fix
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rm -f ${LIB}/$file
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cp /tmp/$base ${LIB}/$file
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chmod a+r ${LIB}/$file
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fi
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rm -f /tmp/$base
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fi
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# Fix an error in this file: the #if says _cplusplus, not the double
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# underscore __cplusplus that it should be
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file=tinfo.h
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if [ -r $file ] && [ ! -r ${LIB}/$file ]; then
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mkdir ${LIB}/rpcsvc 2>/dev/null
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cp $file ${LIB}/$file >/dev/null 2>&1 || echo "Can't copy $file"
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chmod +w ${LIB}/$file 2>/dev/null
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chmod a+r ${LIB}/$file 2>/dev/null
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fi
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if [ -r ${LIB}/$file ]; then
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echo Fixing $file, __cplusplus macro
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sed -e 's/[ ]_cplusplus/ __cplusplus/' ${LIB}/$file > ${LIB}/${file}.sed
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rm -f ${LIB}/$file; mv ${LIB}/${file}.sed ${LIB}/$file
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if cmp $file ${LIB}/$file >/dev/null 2>&1; then
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rm ${LIB}/$file
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fi
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fi
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# Fix prototype declaration of utime in sys/times.h. In 3.2v4.0 the
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# const is missing.
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file=sys/times.h
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if [ -r $file ] && [ ! -r ${LIB}/$file ]; then
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cp $file ${LIB}/$file >/dev/null 2>&1 || echo "Can't copy $file"
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chmod +w ${LIB}/$file 2>/dev/null
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chmod a+r ${LIB}/$file 2>/dev/null
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fi
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if [ -r ${LIB}/$file ]; then
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echo Fixing $file, utime prototype
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sed -e 's/(const char \*, struct utimbuf \*);/(const char *, const struct utimbuf *);/' ${LIB}/$file > ${LIB}/${file}.sed
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rm -f ${LIB}/$file; mv ${LIB}/${file}.sed ${LIB}/$file
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if cmp $file ${LIB}/$file >/dev/null 2>&1; then
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rm ${LIB}/$file
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fi
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fi
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echo 'Removing unneeded directories:'
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cd $LIB
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files=`find . -type d -print | sort -r`
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for file in $files; do
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rmdir $LIB/$file > /dev/null 2>&1
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done
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if $LINKS; then
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echo 'Making internal symbolic non-directory links'
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cd ${INPUT}
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files=`find . -type l -print`
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for file in $files; do
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dest=`ls -ld $file | sed -n 's/.*-> //p'`
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if expr "$dest" : '[^/].*' > /dev/null; then
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target=${LIB}/`echo file | sed "s|[^/]*\$|$dest|"`
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if [ -f $target ]; then
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ln -s $dest ${LIB}/$file >/dev/null 2>&1
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fi
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fi
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done
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fi
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exit 0
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