#!/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 GCC will search. # # See README-fixinc for more information. # # fixincludes copyright (c) 1998, 1999, 2000, 2002 # The Free Software Foundation, Inc. # # fixincludes 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. # # fixincludes 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 fixincludes. See the file "COPYING". If not, # write to: The Free Software Foundation, Inc., # 59 Temple Place - Suite 330, # Boston, MA 02111-1307, USA. # # # # # # # # # # # # # # # # # # # # # # # Usage: fixinc.sh output-dir input-dir # # 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} shift # 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 if test -z "$VERBOSE" then VERBOSE=2 export VERBOSE else case "$VERBOSE" in [0-9] ) : ;; * ) VERBOSE=3 ;; esac 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 "${target_canonical}" && target_canonical=unknown fi export target_canonical # # # # # # # # # # # # # # # # # # # # # # # Define PWDCMD as a command to use to get the working dir # in the form that we want. PWDCMD=${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}` export ORIGDIR FIXINCL="@FIXINCL@" if [ ! -x $FIXINCL ] ; then echo "Cannot find working fixincl" >&2 exit 1 fi export FIXINCL # Make LIB absolute only if needed to avoid problems with the amd. case $LIB in /*) ;; *) cd $LIB; LIB=`${PWDCMD}` ;; esac if test $VERBOSE -gt 0 then echo Fixing headers into ${LIB} for ${target_canonical} target ; fi # Determine whether this system has symbolic links. if test -n "$DJDIR"; then LINKS=false elif 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 # # # # # # # # # # # # # # # # # # # # # # # Extract from the gcc -dM and from the specs file all the predefined # macros that are not in the C89 reserved namespace (the reserved # namespace is all identifiers beginnning with two underscores or one # underscore followed by a capital letter). The specs file is in # ${ORIGDIR}, as is cc1. A regular expression to find any of those # macros in a header file is written to MN_NAME_PAT. # # Note dependency on ASCII. \012 = newline. # tr ' ' '\n' is, alas, not portable. echo | ${ORIGDIR}/cc1 -quiet -dM -E - | sed -n 's/^#define \([a-zA-Z][a-zA-Z0-9_]*\).*/\1/p' > mn.T tr -s '\040\011' '\012\012' < ${ORIGDIR}/specs | sed -n 's/^.*-D\([a-zA-Z_][a-zA-Z0-9_]*\).*/\1/p' >> mn.T if sort -u mn.T | grep -v '^_[_A-Z]' > mn.U then if test $VERBOSE -gt 0 then echo "Forbidden identifiers: `tr '\012' ' ' /; $!s/$/|/' < mn.U | tr -d '\012' > mn.V MN_NAME_PAT="`cat mn.V`" export MN_NAME_PAT else if test $VERBOSE -gt 0 then echo "No forbidden identifiers defined by this target" ; fi fi rm -f mn.[TUV] # # # # # # # # # # # # # # # # # # # # # # # Search each input directory for broken header files. # This loop ends near the end of the file. # if test $# -eq 0 then INPUTLIST="/usr/include" else INPUTLIST="$@" fi for INPUT in ${INPUTLIST} ; do cd ${ORIGDIR} # Make sure a directory exists before changing into it, # otherwise Solaris2 will fail-exit the script. # if [ ! -d ${INPUT} ]; then continue fi cd ${INPUT} INPUT=`${PWDCMD}` export INPUT # # # # # # # # # # # # # # # # # # # # # # # if test $VERBOSE -gt 1 then echo Finding directories and links to directories ; fi # Find all directories and all symlinks that point to directories. # Put the list in $all_dirs. # 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 $all_dirs may have duplicates in it; # later parts of this file are supposed to ignore them. dirs="." levels=2 all_dirs="" search_dirs="" while [ -n "$dirs" ] && [ $levels -gt 0 ] do levels=`expr $levels - 1` newdirs= for d in $dirs do if test $VERBOSE -gt 1 then echo " Searching $INPUT/$d" ; fi # Find all directories under $d, relative to $d, excluding $d itself. # (The /. is needed after $d in case $d is a symlink.) all_dirs="$all_dirs `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 $d1 ] then all_dirs="$all_dirs $d1" if [ "`ls -ld $d1 | sed -n 's/.*-> //p'`" != "." ] then newdirs="$newdirs $d1" search_dirs="$search_dirs $d1" fi fi done done dirs="$newdirs" done # # # # # # # # # # # # # # # # # # # # # # dirs= if test $VERBOSE -gt 2 then echo "All directories (including links to directories):" echo $all_dirs fi for file in $all_dirs; 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=". ${LIB}" if $LINKS; then if test $VERBOSE -gt 1 then echo 'Making symbolic directory links' ; fi cwd=`${PWDCMD}` for sym_link in $search_dirs; do cd ${INPUT} dest=`ls -ld ${sym_link} | sed -n 's/.*-> //p'` # In case $dest is relative, get to ${sym_link}'s dir first. # cd ./`echo ${sym_link} | sed 's;/[^/]*$;;'` # 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 $dest # full_dest_dir gets the dir that the link actually leads to. # full_dest_dir=`${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 [ ${full_dest_dir} = ${cinput} ]; then if test $VERBOSE -gt 2 then echo ${sym_link} '->' . ': Making self link' ; fi rm -fr ${LIB}/${sym_link} > /dev/null 2>&1 ln -s . ${LIB}/${sym_link} > /dev/null 2>&1 # If link leads back into ${INPUT}, # make a similar link here. # elif expr ${full_dest_dir} : "${cinput}/.*" > /dev/null; then # Y gets the actual target dir name, relative to ${INPUT}. y=`echo ${full_dest_dir} | sed -n "s&${cinput}/&&p"` # DOTS is the relative path from ${LIB}/${sym_link} back to ${LIB}. dots=`echo "${sym_link}" | sed -e 's@^./@@' -e 's@/./@/@g' -e 's@[^/][^/]*@..@g' -e 's@..$@@'` if test $VERBOSE -gt 2 then echo ${sym_link} '->' $dots$y ': Making local link' ; fi rm -fr ${LIB}/${sym_link} > /dev/null 2>&1 ln -s $dots$y ${LIB}/${sym_link} > /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. # if test $VERBOSE -gt 2 then echo ${sym_link} '->' root${full_dest_dir} ': Making rooted link' fi if [ -d $LIB/root${full_dest_dir} ] then true else dirname=root${full_dest_dir}/ 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 ${LIB}/${sym_link} in new # root area. # for file2 in $all_dirs; do case $file2 in ${sym_link}/*) dupdir=${LIB}/root${full_dest_dir}/`echo $file2 | sed -n "s|^${sym_link}/||p"` if test $VERBOSE -gt 2 then echo "Duplicating ${sym_link}'s ${dupdir}" ; fi if [ -d ${dupdir} ] then true else mkdir ${dupdir} fi ;; *) ;; esac done # Get the path from ${LIB} to ${sym_link}, accounting for symlinks. # parent=`echo "${sym_link}" | sed -e 's@/[^/]*$@@'` libabs=`cd ${LIB}; ${PWDCMD}` file2=`cd ${LIB}; cd $parent; ${PWDCMD} | sed -e "s@^${libabs}@@"` # DOTS is the relative path from ${LIB}/${sym_link} back to ${LIB}. # dots=`echo "$file2" | sed -e 's@/[^/]*@../@g'` rm -fr ${LIB}/${sym_link} > /dev/null 2>&1 ln -s ${dots}root${full_dest_dir} ${LIB}/${sym_link} > /dev/null 2>&1 treetops="$treetops ${sym_link} ${LIB}/root${full_dest_dir}" fi 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 FIND_BASE=$1 export FIND_BASE 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 if test $VERBOSE -gt 1 then echo Fixing directory ${SRCDIR} into ${DESTDIR} ; fi # Check files which are symlinks as well as those which are files. # cd ${INPUT} required="$required `if $LINKS; then find ${FIND_BASE}/. -name '*.h' \( -type f -o -type l \) -print else find ${FIND_BASE}/. -name '*.h' -type f -print fi | \ sed -e 's;/\./;/;g' -e 's;//*;/;g' | \ ${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 [ -f $2 ] ; then 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 if test $VERBOSE -gt 2 then echo Copied $2 ; fi 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 fi shift; shift; shift done set x $newreq shift done if test $VERBOSE -gt 2 then echo 'Cleaning up DONE files.' ; fi cd $LIB # Look for files case-insensitively, for the benefit of # DOS/Windows filesystems. find . -name '[Dd][Oo][Nn][Ee]' -exec rm -f '{}' ';' if test $VERBOSE -gt 1 then echo 'Cleaning up unneeded directories:' ; fi cd $LIB all_dirs=`find . -type d \! -name '.' -print | sort -r` for file in $all_dirs; do if rmdir $LIB/$file > /dev/null then test $VERBOSE -gt 3 && echo " removed $file" fi done 2> /dev/null # On systems which don't support symlinks, `find' may barf # if called with "-type l" predicate. So only use that if # we know we should look for symlinks. if $LINKS; then test $VERBOSE -gt 2 && echo "Removing unused symlinks" all_dirs=`find . -type l -print` for file in $all_dirs do if test ! -d $file then rm -f $file test $VERBOSE -gt 3 && echo " removed $file" rmdir `dirname $file` > /dev/null && \ test $VERBOSE -gt 3 && \ echo " removed `dirname $file`" fi done 2> /dev/null fi if test $VERBOSE -gt 0 then echo fixincludes is done ; fi # # # # # # # # # # # # # # # # # # # # # # # End of for INPUT directories # done # # # # # # # # # # # # # # # # # # # # # #