NetBSD/gnu/dist/gcc/fixinc.dgux

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#!/bin/sh
#
# modified for dgux by hassey@dg-rtp.dg.com based on
#
# fixinc.svr4 written by Ron Guilmette (rfg@ncd.com).
#
# This file is part of GNU CC.
#
# GNU CC 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 2, or (at your option)
# any later version.
#
# GNU CC 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 GNU CC; see the file COPYING. If not, write to
# the Free Software Foundation, 59 Temple Place - Suite 330,
# Boston, MA 02111-1307, USA.
#
#
# See README-fixinc for more information.
# Directory containing the original header files.
INPUT=${2-${INPUT-/usr/include}}
# Fail if no arg to specify a directory for the output.
if [ x$1 = x ]
then echo fixincludes: no output directory specified
exit 1
fi
# Directory in which to store the results.
LIB=${1?"fixincludes: output directory not specified"}
# Make sure it exists.
if [ ! -d $LIB ]; then
mkdir $LIB || exit 1
fi
ORIG_DIR=`pwd`
# Make LIB absolute if it is relative.
# Don't do this if not necessary, since may screw up automounters.
case $LIB in
/*)
;;
*)
cd $LIB; LIB=`${PWDCMD-pwd}`
;;
esac
echo 'Building fixincludes in ' ${LIB}
# Determine whether this filesystem has symbolic links.
if ln -s X $LIB/ShouldNotExist 2>/dev/null; then
rm -f $LIB/ShouldNotExist
LINKS=true
else
LINKS=false
fi
echo 'Making directories:'
cd ${INPUT}
if $LINKS; then
files=`ls -LR | sed -n s/:$//p`
else
files=`find . -type d -print | sed '/^.$/d'`
fi
for file in $files; do
rm -rf $LIB/$file
if [ ! -d $LIB/$file ]
then mkdir $LIB/$file
fi
done
# treetops gets an alternating list
# of old directories to copy
# and the new directories to copy to.
treetops="${INPUT} ${LIB}"
if $LINKS; then
echo 'Making internal symbolic directory links'
for file in $files; do
dest=`ls -ld $file | sed -n 's/.*-> //p'`
if [ "$dest" ]; then
cwd=`pwd`
# In case $dest is relative, get to $file's dir first.
cd ${INPUT}
cd `echo ./$file | sed -n 's&[^/]*$&&p'`
# Check that the target directory exists.
# Redirections changed to avoid bug in sh on Ultrix.
(cd $dest) > /dev/null 2>&1
if [ $? = 0 ]; then
cd $dest
# X gets the dir that the link actually leads to.
x=`pwd`
# If link leads back into ${INPUT},
# make a similar link here.
if expr $x : "${INPUT}/.*" > /dev/null; then
# Y gets the actual target dir name, relative to ${INPUT}.
y=`echo $x | sed -n "s&${INPUT}/&&p"`
# DOTS is the relative path from ${LIB}/$file's dir back to ${LIB}.
dots=`echo "$file" |
sed -e 's@^./@@' -e 's@/./@/@g' -e 's@[^/][^/]*@..@g' -e 's@..$@@'`
echo $file '->' $dots$y ': Making link'
rm -fr ${LIB}/$file > /dev/null 2>&1
ln -s $dots$y ${LIB}/$file > /dev/null 2>&1
else
# If the link is to outside ${INPUT},
# treat this directory as if it actually contained the files.
# This line used to have $dest instead of $x.
# $dest seemed to be wrong for links found in subdirectories
# of ${INPUT}. Does this change break anything?
treetops="$treetops $x ${LIB}/$file"
fi
fi
cd $cwd
fi
done
fi
# Completely replace <_int_varargs.h> with a file that defines
# va_list and gnuc_va_list
file=_int_varargs.h
if [ -r ${INPUT}/$file ]; then
echo Replacing $file
cat > ${LIB}/$file << EOF
/* This file was generated by fixinc.dgux. */
#ifndef __INT_VARARGS_H
#define __INT_VARARGS_H
#if defined(__m88k__) && defined (__DGUX__)
#ifndef __GNUC_VA_LIST
#define __GNUC_VA_LIST
typedef struct
{
int __va_arg; /* argument number */
int *__va_stk; /* start of args passed on stack */
int *__va_reg; /* start of args passed in regs */
} __gnuc_va_list;
#endif /* not __GNUC_VA_LIST */
#endif /* 88k && dgux */
#ifndef _VA_LIST_
#define _VA_LIST_
typedef __gnuc_va_list va_list;
#endif /* _VA_LIST_ */
#endif /* __INT_VARARGS_H */
EOF
chmod a+r ${LIB}/$file
fi
echo 'Removing unneeded directories:'
cd $LIB
files=`find . -type d -print | sort -r`
for file in $files; do
rmdir $LIB/$file > /dev/null 2>&1
done
if $LINKS; then
echo 'Making internal symbolic non-directory links'
cd ${INPUT}
files=`find . -type l -print`
for file in $files; do
dest=`ls -ld $file | sed -n 's/.*-> //p'`
if expr "$dest" : '[^/].*' > /dev/null; then
target=${LIB}/`echo file | sed "s|[^/]*\$|$dest|"`
if [ -f $target ]; then
ln -s $dest ${LIB}/$file >/dev/null 2>&1
fi
fi
done
fi
cd ${ORIG_DIR}
exit 0