diff fixincludes/fixinc.in @ 0:a06113de4d67

first commit
author kent <kent@cr.ie.u-ryukyu.ac.jp>
date Fri, 17 Jul 2009 14:47:48 +0900
parents
children 04ced10e8804
line wrap: on
line diff
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/fixincludes/fixinc.in	Fri Jul 17 14:47:48 2009 +0900
@@ -0,0 +1,498 @@
+#!/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, 2009
+#  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 3, 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 COPYING3.  If not see
+# <http://www.gnu.org/licenses/>.
+#
+# # # # # # # # # # # # # # # # # # # # #
+
+# 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=`${PWDCMD}`/fixincl
+if [ ! -x $FIXINCL ] ; then
+  echo "Cannot find 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
+
+# # # # # # # # # # # # # # # # # # # # #
+#
+#  In the file macro_list are listed 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).  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.
+
+if test -s ${MACRO_LIST}
+then
+  if test $VERBOSE -gt 0; then
+    echo "Forbidden identifiers: `tr '\012' ' ' < ${MACRO_LIST}`"
+  fi
+  MN_NAME_PAT="`sed 's/^/\\\\</; s/$/\\\\>/; $!s/$/|/' \
+      < ${MACRO_LIST} | tr -d '\012'`"
+  export MN_NAME_PAT
+else
+  if test $VERBOSE -gt 0
+  then echo "No forbidden identifiers defined by this target" ; fi
+fi
+
+# # # # # # # # # # # # # # # # # # # # #
+#
+#  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
+#
+# # # # # # # # # # # # # # # # # # # # #