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|
#! /bin/sh
# Install modified versions of certain ANSI-incompatible system header files
# which are fixed to work correctly with ANSI C
# and placed in a directory that GNU C will search.
# This works properly on a Sun in system version 3.4;
# for other versions, you had better check.
# Directory in which to store the results.
LIB=${LIB-/usr/local/lib/gcc-include}
# Make sure it exists.
if [ ! -d $LIB ]; then
mkdir $LIB || exit 1
fi
# Determine whether this system 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 /usr/include
if $LINKS; then
files=`ls -LR | sed -n s/:$//p`
else
files=`find . -type d -print`
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="/usr/include ${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`
cd $dest
if [ $? = 0 ]; then
dest=`pwd`
cd $cwd
fi
if expr $dest : '[^/.].*' > /dev/null; then
rmdir ${LIB}/$file > /dev/null 2>&1
rm -f ${LIB}/$file > /dev/null 2>&1
ln -s $dest ${LIB}/$file > /dev/null 2>&1
else # dont make links outside /usr/include
treetops="$treetops $dest ${LIB}/$file"
fi
fi
done
fi
set - $treetops
while [ $# != 0 ]; do
# $1 is an old directory to copy, and $2 is the new directory to copy to.
echo "Finding header files in $1:"
cd /usr/include
cd $1
files=`find . -type f -print`
echo 'Checking header files:'
for file in $files; do
if egrep '[ ]_IO[A-Z]*\(|#define._IO|CTRL' $file > /dev/null; then
echo Fixing $file
if [ -r $file ]; then
cp $file $2/$file >/dev/null 2>&1 \
|| echo "Can't copy $file"
chmod +w $2/$file
sed -e '
:loop
/\\$/ N
/\\$/ b loop
/[ ]_IO[A-Z]*(/ s/(\(.\),/('\''\1'\'',/
/#define._IO/ s/'\''x'\''/x/g
/[^A-Z]CTRL[ ]*(/ s/\(.\))/'\''\1'\'')/
/#define.CTRL/ s/'\''c'\''/c/g
' $2/$file > $2/$file.sed
mv $2/$file.sed $2/$file
if cmp $file $2/$file >/dev/null 2>&1; then
echo Deleting $2/$file\; no fixes were needed.
rm $2/$file
fi
fi
fi
done
shift; shift
done
cd /usr/include
# Fix one other error in this file: a mismatched quote not inside a C comment.
file=sundev/vuid_event.h
if [ -r $file ]; then
if [ ! -r ${LIB}/$file ]; then
cp $file ${LIB}/$file >/dev/null 2>&1 \
|| echo "Can't copy $file"
chmod +w ${LIB}/$file
fi
fi
if [ -r ${LIB}/sundev/vuid_event.h ]; then
echo Fixing sundev/vuid_event.h comment
ex ${LIB}/sundev/vuid_event.h <<EOF
g/doesn't/s/doesn't/does not/
wq
EOF
fi
# Deal with yet another challenge, this in X11/Xmu.h
file=X11/Xmu.h
if [ -r $file ]; then
if [ ! -r ${LIB}/$file ]; then
mkdir ${LIB}/X11 2>&-
cp $file ${LIB}/$file >/dev/null 2>&1 \
|| echo "Can't copy $file"
chmod +w ${LIB}/$file
fi
fi
if [ -r ${LIB}/$file ]; then
echo Fixing $file sprintf declaration
ex ${LIB}/$file <<EOF
/^extern char \* sprintf();$/c
#ifndef __STDC__
extern char * sprintf();
#endif /* !defined __STDC__ */
.
wq
EOF
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 /usr/include
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
exit 0
|
