gcc/contrib/fixinc/fixincl.sh

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1998-03-20 17:19:40 +01:00
#!/bin/sh -p
#
# DO NOT EDIT THIS FILE (fixincl.sh)
#
# It has been autogen-ed Thursday March 19, 1998 at 08:37:00 AM PST
# From the definitions inclhack.def
# and the template file inclhack.tpl
#
# 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 script contains 101 fixup scripts.
#
# See README-fixinc for more information.
#
# inclhack is free software.
#
# You may 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.
#
# inclhack 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 inclhack. See the file "COPYING". If not,
# write to: The Free Software Foundation, Inc.,
# 59 Temple Place - Suite 330,
# Boston, MA 02111-1307, USA.
#
# # # # # # # # # # # # # # # # # # # # #
#
# Directory containing the original header files.
# (This was named INCLUDES, but that conflicts with a name in Makefile.in.)
#
INPUT=${2-${INPUT-/usr/include}}
( \cd ${INPUT} > /dev/null 2>&1 ) || {
echo 'fixincludes: input dir `'$INPUT"' is an invalid directory"
exit 1
}
# # # # # # # # # # # # # # # # # # # # #
#
# Directory in which to store the results.
# Fail if no arg to specify a directory for the output.
if [ "x$1" = "x" ]
then echo fixincludes: no output directory specified
exit 1
fi
LIB=${1}
# Make sure it exists.
if [ ! -d $LIB ]; then
mkdir $LIB || {
echo fixincludes: output dir '`'$LIB"' cannot be created"
exit 1
}
else
( \cd $LIB && touch DONE && rm DONE ) || {
echo fixincludes: output dir '`'$LIB"' is an invalid directory"
exit 1
}
fi
# Define what target system we're fixing.
#
if test -r ./Makefile; then
target_canonical="`sed -n -e 's,^target[ ]*=[ ]*\(.*\)$,\1,p' < Makefile`"
fi
# If not from the Makefile, then try config.guess
#
if test -z "${target_canonical}" ; then
if test -x ./config.guess ; then
target_canonical="`config.guess`" ; fi
test -z "${target_canonical}" && target_canonical=unknown
fi
# # # # # # # # # # # # # # # # # # # # #
#
# Define PWDCMD as a command to use to get the working dir
# in the form that we want.
PWDCMD=pwd
case "`$PWDCMD`" in
//*)
# On an Apollo, discard everything before `/usr'.
PWDCMD="eval pwd | sed -e 's,.*/usr/,/usr/,'"
;;
esac
# Original directory.
ORIGDIR=`${PWDCMD}`
FIXINCL=${ORIGDIR}/fixincl
export FIXINCL
# Make LIB absolute only if needed to avoid problems with the amd.
case $LIB in
/*)
;;
*)
cd $LIB; LIB=`${PWDCMD}`
;;
esac
echo Building fixed headers in ${LIB}
# Determine whether this system has symbolic links.
if ln -s X $LIB/ShouldNotExist 2>/dev/null; then
rm -f $LIB/ShouldNotExist
LINKS=true
elif ln -s X /tmp/ShouldNotExist 2>/dev/null; then
rm -f /tmp/ShouldNotExist
LINKS=true
else
LINKS=false
fi
# # # # # # # # # # # # # # # # # # # # #
#
echo Finding directories and links to directories
cd ${INPUT}
# Find all directories and all symlinks that point to directories.
# Put the list in $files.
# Each time we find a symlink, add it to newdirs
# so that we do another find within the dir the link points to.
# Note that $files may have duplicates in it;
# later parts of this file are supposed to ignore them.
dirs="."
levels=2
while [ -n "$dirs" ] && [ $levels -gt 0 ]
do
levels=`expr $levels - 1`
newdirs=
for d in $dirs
do
echo " Searching $INPUT/$d"
# Find all directories under $d, relative to $d, excluding $d itself.
# (The /. is needed after $d in case $d is a symlink.)
files="$files `find $d/. -type d -print | \
sed -e '/\/\.$/d' -e 's@/./@/@g'`"
# Find all links to directories.
# Using `-exec test -d' in find fails on some systems,
# and trying to run test via sh fails on others,
# so this is the simplest alternative left.
# First find all the links, then test each one.
theselinks=
$LINKS && \
theselinks=`find $d/. -type l -print | sed -e 's@/./@/@g'`
for d1 in $theselinks --dummy--
do
# If the link points to a directory,
# add that dir to $newdirs
if [ -d $d1 ]
then
files="$files $d1"
if [ "`ls -ld $d1 | sed -n 's/.*-> //p'`" != "." ]
then
newdirs="$newdirs $d1"
fi
fi
done
done
dirs="$newdirs"
done
# # # # # # # # # # # # # # # # # # # # #
#
dirs=
echo "All directories (including links to directories):"
echo $files
for file in $files; do
rm -rf $LIB/$file
if [ ! -d $LIB/$file ]
then mkdir $LIB/$file
fi
done
mkdir $LIB/root
# # # # # # # # # # # # # # # # # # # # #
#
# treetops gets an alternating list
# of old directories to copy
# and the new directories to copy to.
treetops="${INPUT} ${LIB}"
if $LINKS; then
echo 'Making symbolic directory links'
for file in $files; do
dest=`ls -ld $file | sed -n 's/.*-> //p'`
if [ "$dest" ]; then
cwd=`${PWDCMD}`
# 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 $dest
# X gets the dir that the link actually leads to.
x=`${PWDCMD}`
# Canonicalize ${INPUT} now to minimize the time an
# automounter has to change the result of ${PWDCMD}.
cinput=`cd ${INPUT}; ${PWDCMD}`
# If a link points to ., make a similar link to .
if [ $x = ${cinput} ]; then
echo $file '->' . ': Making link'
rm -fr ${LIB}/$file > /dev/null 2>&1
ln -s . ${LIB}/$file > /dev/null 2>&1
# If link leads back into ${INPUT},
# make a similar link here.
elif expr $x : "${cinput}/.*" > /dev/null; then
# Y gets the actual target dir name, relative to ${INPUT}.
y=`echo $x | sed -n "s&${cinput}/&&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 a dir $target outside ${INPUT},
# repoint the link at ${INPUT}/root$target
# and process $target into ${INPUT}/root$target
# treat this directory as if it actually contained the files.
echo $file '->' root$x ': Making link'
if [ -d $LIB/root$x ]
then true
else
dirname=root$x/
dirmade=.
cd $LIB
while [ x$dirname != x ]; do
component=`echo $dirname | sed -e 's|/.*$||'`
mkdir $component >/dev/null 2>&1
cd $component
dirmade=$dirmade/$component
dirname=`echo $dirname | sed -e 's|[^/]*/||'`
done
fi
# Duplicate directory structure created in ${LIB}/$file in new
# root area.
for file2 in $files; do
case $file2 in
$file/*)
dupdir=${LIB}/root$x/`echo $file2 | sed -n "s|^${file}/||p"`
echo "Duplicating ${file}'s ${dupdir}"
if [ -d ${dupdir} ]
then true
else
mkdir ${dupdir}
fi
;;
*)
;;
esac
done
# Get the path from ${LIB} to $file, accounting for symlinks.
parent=`echo "$file" | sed -e 's@/[^/]*$@@'`
libabs=`cd ${LIB}; ${PWDCMD}`
file2=`cd ${LIB}; cd $parent; ${PWDCMD} | sed -e "s@^${libabs}@@"`
# DOTS is the relative path from ${LIB}/$file's dir back to ${LIB}.
dots=`echo "$file2" | sed -e 's@/[^/]*@../@g'`
rm -fr ${LIB}/$file > /dev/null 2>&1
ln -s ${dots}root$x ${LIB}/$file > /dev/null 2>&1
treetops="$treetops $x ${LIB}/root$x"
fi
fi
cd $cwd
fi
done
fi
# # # # # # # # # # # # # # # # # # # # #
#
required=
set x $treetops
shift
while [ $# != 0 ]; do
# $1 is an old directory to copy, and $2 is the new directory to copy to.
#
SRCDIR=`cd ${INPUT} ; cd $1 ; ${PWDCMD}`
export SRCDIR
shift
DESTDIR=`cd $1;${PWDCMD}`
export DESTDIR
shift
# The same dir can appear more than once in treetops.
# There's no need to scan it more than once.
#
if [ -f ${DESTDIR}/DONE ]
then continue ; fi
touch ${DESTDIR}/DONE
echo Fixing directory ${SRCDIR} into ${DESTDIR}
# Check .h files which are symlinks as well as those which are files.
# A link to a header file will not be processed by anything but this.
#
cd ${SRCDIR}
required="$required `if $LINKS; then
find . -name '*.h' \( -type f -o -type l \) -print
else
find . -name '*.h' -type f -print
fi | ${FIXINCL}`"
done
## Make sure that any include files referenced using double quotes
## exist in the fixed directory. This comes last since otherwise
## we might end up deleting some of these files "because they don't
## need any change."
set x `echo $required`
shift
while [ $# != 0 ]; do
newreq=
while [ $# != 0 ]; do
# $1 is the directory to copy from,
# $2 is the unfixed file,
# $3 is the fixed file name.
#
cd ${INPUT}
cd $1
if [ -r $2 ] && [ ! -r $3 ]; then
cp $2 $3 >/dev/null 2>&1 || echo "Can't copy $2" >&2
chmod +w $3 2>/dev/null
chmod a+r $3 2>/dev/null
echo Copied $2
for include in `egrep '^[ ]*#[ ]*include[ ]*"[^/]' $3 |
sed -e 's/^[ ]*#[ ]*include[ ]*"\([^"]*\)".*$/\1/'`
do
dir=`echo $2 | sed -e s'|/[^/]*$||'`
dir2=`echo $3 | sed -e s'|/[^/]*$||'`
newreq="$newreq $1 $dir/$include $dir2/$include"
done
fi
shift; shift; shift
done
set x $newreq
shift
done
echo 'Cleaning up DONE files.'
cd $LIB
find . -name DONE -exec rm -f '{}' ';'
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