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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 | 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="/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`
# In case $dest is relative, get to $file's dir first.
cd /usr/include
cd `echo ./$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 /usr/include,
# make a similar link here.
if expr $x : '/usr/include/.*' > /dev/null; then
# Y gets the actual target dir name, relative to /usr/include.
y=`echo $x | sed -n 's&/usr/include/&&p'`
echo $file '->' $y ': Making link'
rm -fr ${LIB}/$file > /dev/null 2>&1
ln -s ${LIB}/$y ${LIB}/$file > /dev/null 2>&1
else
# If the link is to outside /usr/include,
# treat this directory as if it actually contained the files.
# This line used to have $dest instead of $x.
# $dest seemed to be wrong for links found in subdirectories
# of /usr/include. Does this change break anything?
treetops="$treetops $x ${LIB}/$file"
fi
fi
cd $cwd
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 . -name '*.h' -type f -print`
echo 'Checking header files:'
for file in $files; do
if egrep '[ ]_IO[A-Z]*\(|#define._IO|CTRL|#machine|#lint' $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
/#define._CTRL/ s/'\''c'\''/c/g
/^[ ]*#[ ]*if/ s/#machine/defined/g
/^[ ]*#[ ]*elif/ s/#machine/defined/g
/^[ ]*#[ ]*if/ s/#lint *(on)/defined(lint)/g
/^[ ]*#[ ]*elif/ s/#lint *(on)/defined(lint)/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 ${LIB}/$file ]; then
echo Fixing $file comment
ex ${LIB}/$file <<EOF
g/doesn't/s/doesn't/does not/
wq
EOF
if cmp $file ${LIB}/$file >/dev/null 2>&1; then
echo Deleting ${LIB}/$file\; no fixes were needed.
rm ${LIB}/$file
fi
fi
# Fix an error in this file: a missing semi-colon at the end of the statsswtch
# structure definition.
file=rpcsvc/rstat.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 ${LIB}/$file ]; then
echo Fixing $file, definition of statsswtch
ex ${LIB}/$file <<EOF
g/boottime$/s//&;/
wq
EOF
if cmp $file $2/$file >/dev/null 2>&1; then
echo Deleting $2/$file\; no fixes were needed.
rm $2/$file
fi
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
if cmp $file ${LIB}/$file >/dev/null 2>&1; then
echo Deleting ${LIB}/$file\; no fixes were needed.
rm ${LIB}/$file
fi
fi
# Check for missing ';' in struct
file=netinet/ip.h
if [ -r $file ]; then
if [ ! -r ${LIB}/$file ]; then
mkdir ${LIB}/netinet 2>&-
sed -e '/^struct/,/^};/s/}$/};/' $file > ${LIB}/$file
cmp $file ${LIB}/$file >&- && rm -f ${LIB}/$file
fi
fi
# Fix the CAT macro in memvar.h.
file=pixrect/memvar.h
if [ -r $file ]; then
if [ ! -r ${LIB}/$file ]; then
mkdir ${LIB}/pixrect 2>&-
sed -e '/^#define.CAT(a,b)/ s/IDENT(a)b/a##b/g' $file > ${LIB}/$file
cmp $file ${LIB}/$file >&- && rm -f ${LIB}/$file
fi
fi
# Check for yet more missing ';' in struct (in SunOS 4.0.x)
file=rpcsvc/rusers.h
if [ -r $file ]; then
if [ ! -r ${LIB}/$file ]; then
mkdir ${LIB}/rpcsvc 2>&-
sed -e '/^struct/,/^};/s/_cnt$/_cnt;/' $file > ${LIB}/$file
cmp $file ${LIB}/$file >&- && rm -f ${LIB}/$file
fi
fi
# Check for yet more missing ';' in struct (in SunOS 4.0.x)
file=rpcsvc/rusers.h
if [ -r $file ]; then
if [ ! -r ${LIB}/$file ]; then
mkdir ${LIB}/rpcsvc 2>&-
sed -e '/^struct/,/^};/s/_cnt$/_cnt;/' $file > ${LIB}/$file
cmp $file ${LIB}/$file >&- && rm -f ${LIB}/$file
fi
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
|
