gcc/fixinc.dgux

   1 #!/bin/sh
   2 #
   3 # modified for dgux by hassey@dg-rtp.dg.com based on
   4 #
   5 #   fixinc.svr4  written by Ron Guilmette (rfg@ncd.com).
   6 #
   7 # This file is part of GNU CC.
   8 #
   9 # GNU CC is free software; you can redistribute it and/or modify
  10 # it under the terms of the GNU General Public License as published by
  11 # the Free Software Foundation; either version 2, or (at your option)
  12 # any later version.
  13 #
  14 # GNU CC is distributed in the hope that it will be useful,
  15 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  16 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17 # GNU General Public License for more details.
  18 #
  19 # You should have received a copy of the GNU General Public License
  20 # along with GNU CC; see the file COPYING.  If not, write to
  21 # the Free Software Foundation, 59 Temple Place - Suite 330,
  22 # Boston, MA 02111-1307, USA.
  23 #
  24 #
  25 #       See README-fixinc for more information.
  26
  27 # Directory containing the original header files.
  28 INPUT=${2-${INPUT-/usr/include}}
  29
  30 # Fail if no arg to specify a directory for the output.
  31 if [ x$1 = x ]
  32 then echo fixincludes: no output directory specified
  33 exit 1
  34 fi
  35
  36 # Directory in which to store the results.
  37 LIB=${1?"fixincludes: output directory not specified"}
  38
  39 # Make sure it exists.
  40 if [ ! -d $LIB ]; then
  41   mkdir $LIB || exit 1
  42 fi
  43
  44 ORIG_DIR=`pwd`
  45
  46 # Make LIB absolute if it is relative.
  47 # Don't do this if not necessary, since may screw up automounters.
  48 case $LIB in
  49 /*)
  50         ;;
  51 *)
  52         cd $LIB; LIB=`${PWDCMD-pwd}`
  53         ;;
  54 esac
  55
  56 echo 'Building fixincludes in ' ${LIB}
  57
  58 # Determine whether this filesystem has symbolic links.
  59 if ln -s X $LIB/ShouldNotExist 2>/dev/null; then
  60   rm -f $LIB/ShouldNotExist
  61   LINKS=true
  62 else
  63   LINKS=false
  64 fi
  65
  66 echo 'Making directories:'
  67 cd ${INPUT}
  68 if $LINKS; then
  69   files=`ls -LR | sed -n s/:$//p`
  70 else
  71   files=`find . -type d -print | sed '/^.$/d'`
  72 fi
  73 for file in $files; do
  74   rm -rf $LIB/$file
  75   if [ ! -d $LIB/$file ]
  76   then mkdir $LIB/$file
  77   fi
  78 done
  79
  80 # treetops gets an alternating list
  81 # of old directories to copy
  82 # and the new directories to copy to.
  83 treetops="${INPUT} ${LIB}"
  84
  85 if $LINKS; then
  86   echo 'Making internal symbolic directory links'
  87   for file in $files; do
  88     dest=`ls -ld $file | sed -n 's/.*-> //p'`
  89     if [ "$dest" ]; then
  90       cwd=`pwd`
  91       # In case $dest is relative, get to $file's dir first.
  92       cd ${INPUT}
  93       cd `echo ./$file | sed -n 's&[^/]*$&&p'`
  94       # Check that the target directory exists.
  95       # Redirections changed to avoid bug in sh on Ultrix.
  96       (cd $dest) > /dev/null 2>&1
  97       if [ $? = 0 ]; then
  98         cd $dest
  99         # X gets the dir that the link actually leads to.
 100         x=`pwd`
 101         # If link leads back into ${INPUT},
 102         # make a similar link here.
 103         if expr $x : "${INPUT}/.*" > /dev/null; then
 104           # Y gets the actual target dir name, relative to ${INPUT}.
 105           y=`echo $x | sed -n "s&${INPUT}/&&p"`
 106           # DOTS is the relative path from ${LIB}/$file's dir back to ${LIB}.
 107           dots=`echo "$file" |
 108             sed -e 's@^./@@' -e 's@/./@/@g' -e 's@[^/][^/]*@..@g' -e 's@..$@@'`
 109           echo $file '->' $dots$y ': Making link'
 110           rm -fr ${LIB}/$file > /dev/null 2>&1
 111           ln -s $dots$y ${LIB}/$file > /dev/null 2>&1
 112         else
 113           # If the link is to outside ${INPUT},
 114           # treat this directory as if it actually contained the files.
 115 # This line used to have $dest instead of $x.
 116 # $dest seemed to be wrong for links found in subdirectories
 117 # of ${INPUT}.  Does this change break anything?
 118           treetops="$treetops $x ${LIB}/$file"
 119         fi
 120       fi
 121       cd $cwd
 122     fi
 123   done
 124 fi
 125
 126 # Completely replace <_int_varargs.h> with a file that defines
 127 # va_list and gnuc_va_list
 128
 129 file=_int_varargs.h
 130 if [ -r ${INPUT}/$file ]; then
 131   echo Replacing $file
 132   cat > ${LIB}/$file << EOF
 133 /* This file was generated by fixinc.dgux.  */
 134 #ifndef __INT_VARARGS_H
 135 #define __INT_VARARGS_H
 136
 137 #if defined(__m88k__) && defined (__DGUX__)
 138 #ifndef __GNUC_VA_LIST
 139 #define __GNUC_VA_LIST
 140 typedef struct
 141 {
 142   int  __va_arg;                /* argument number */
 143   int *__va_stk;                /* start of args passed on stack */
 144   int *__va_reg;                /* start of args passed in regs */
 145 } __gnuc_va_list;
 146 #endif /* not __GNUC_VA_LIST */
 147 #endif /* 88k && dgux */
 148
 149 #ifndef _VA_LIST_
 150 #define _VA_LIST_
 151 typedef __gnuc_va_list va_list;
 152 #endif /* _VA_LIST_ */
 153
 154 #endif /* __INT_VARARGS_H */
 155
 156 EOF
 157   chmod a+r ${LIB}/$file
 158 fi
 159
 160 echo 'Removing unneeded directories:'
 161 cd $LIB
 162 files=`find . -type d -print | sort -r`
 163 for file in $files; do
 164   rmdir $LIB/$file > /dev/null 2>&1
 165 done
 166
 167 if $LINKS; then
 168   echo 'Making internal symbolic non-directory links'
 169   cd ${INPUT}
 170   files=`find . -type l -print`
 171   for file in $files; do
 172     dest=`ls -ld $file | sed -n 's/.*-> //p'`
 173     if expr "$dest" : '[^/].*' > /dev/null; then
 174       target=${LIB}/`echo file | sed "s|[^/]*\$|$dest|"`
 175       if [ -f $target ]; then
 176         ln -s $dest ${LIB}/$file >/dev/null 2>&1
 177       fi
 178     fi
 179   done
 180 fi
 181
 182 cd ${ORIG_DIR}
 183
 184 exit 0
 185