gcc/fixinc/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 # Fail if no arg to specify a directory for the output.
  28 if [ x$1 = x ]
  29 then echo fixincludes: no output directory specified
  30 exit 1
  31 fi
  32
  33 # Directory in which to store the results.
  34 LIB=${1?"fixincludes: output directory not specified"}
  35
  36 # Make sure it exists.
  37 if [ ! -d $LIB ]; then
  38   mkdir $LIB || exit 1
  39 fi
  40
  41 ORIG_DIR=`${PWDCMD-pwd}`
  42
  43 # Make LIB absolute if it is relative.
  44 # Don't do this if not necessary, since may screw up automounters.
  45 case $LIB in
  46 /*)
  47         ;;
  48 *)
  49         cd $LIB; LIB=`${PWDCMD-pwd}`
  50         ;;
  51 esac
  52
  53 echo 'Building fixincludes in ' ${LIB}
  54
  55 # Determine whether this filesystem has symbolic links.
  56 if ln -s X $LIB/ShouldNotExist 2>/dev/null; then
  57   rm -f $LIB/ShouldNotExist
  58   LINKS=true
  59 else
  60   LINKS=false
  61 fi
  62
  63 echo 'Making directories:'
  64 # Directory containing the original header files.
  65 shift
  66 if [ $# -eq 0 ] ; then
  67   set /usr/include
  68 fi
  69
  70 INLIST="$@"
  71
  72 for INPUT in ${INLIST} ; do
  73 cd ${ORIG_DIR}
  74 cd ${INPUT}
  75
  76 if $LINKS; then
  77   files=`ls -LR | sed -n s/:$//p`
  78 else
  79   files=`find . -type d -print | sed '/^.$/d'`
  80 fi
  81 for file in $files; do
  82   rm -rf $LIB/$file
  83   if [ ! -d $LIB/$file ]
  84   then mkdir $LIB/$file
  85   fi
  86 done
  87
  88 # treetops gets an alternating list
  89 # of old directories to copy
  90 # and the new directories to copy to.
  91 treetops="${INPUT} ${LIB}"
  92
  93 if $LINKS; then
  94   echo 'Making internal symbolic directory links'
  95   for file in $files; do
  96     dest=`ls -ld $file | sed -n 's/.*-> //p'`
  97     if [ "$dest" ]; then
  98       cwd=`${PWDCMD-pwd}`
  99       # In case $dest is relative, get to $file's dir first.
 100       cd ${INPUT}
 101       cd `echo ./$file | sed -n 's&[^/]*$&&p'`
 102       # Check that the target directory exists.
 103       # Redirections changed to avoid bug in sh on Ultrix.
 104       (cd $dest) > /dev/null 2>&1
 105       if [ $? = 0 ]; then
 106         cd $dest
 107         # X gets the dir that the link actually leads to.
 108         x=`${PWDCMD-pwd}`
 109         # If link leads back into ${INPUT},
 110         # make a similar link here.
 111         if expr $x : "${INPUT}/.*" > /dev/null; then
 112           # Y gets the actual target dir name, relative to ${INPUT}.
 113           y=`echo $x | sed -n "s&${INPUT}/&&p"`
 114           # DOTS is the relative path from ${LIB}/$file's dir back to ${LIB}.
 115           dots=`echo "$file" |
 116             sed -e 's@^./@@' -e 's@/./@/@g' -e 's@[^/][^/]*@..@g' -e 's@..$@@'`
 117           echo $file '->' $dots$y ': Making link'
 118           rm -fr ${LIB}/$file > /dev/null 2>&1
 119           ln -s $dots$y ${LIB}/$file > /dev/null 2>&1
 120         else
 121           # If the link is to outside ${INPUT},
 122           # treat this directory as if it actually contained the files.
 123 # This line used to have $dest instead of $x.
 124 # $dest seemed to be wrong for links found in subdirectories
 125 # of ${INPUT}.  Does this change break anything?
 126           treetops="$treetops $x ${LIB}/$file"
 127         fi
 128       fi
 129       cd $cwd
 130     fi
 131   done
 132 fi
 133
 134 # Completely replace <_int_varargs.h> with a file that defines
 135 # va_list and gnuc_va_list
 136
 137 file=_int_varargs.h
 138 if [ -r ${INPUT}/$file ]; then
 139   echo Replacing $file
 140   cat > ${LIB}/$file << EOF
 141 /* This file was generated by fixinc.dgux.  */
 142 #ifndef __INT_VARARGS_H
 143 #define __INT_VARARGS_H
 144
 145 #ifndef ___int_features_h
 146 #include <sys/_int_features.h>
 147 #endif
 148
 149 #if !(defined(_VA_LIST) || defined(_VA_LIST_))
 150 #define _VA_LIST
 151 #define _VA_LIST_
 152
 153 #ifdef __LINT__
 154
 155 #ifdef __STDC__
 156 typedef void * va_list;
 157 #else
 158 typedef char * va_list;
 159 #endif
 160
 161 #else
 162 #if _M88K_ANY
 163
 164 #if defined(__DCC__)
 165
 166 typedef struct {
 167        int     next_arg;
 168        int     *mem_ptr;
 169        int     *reg_ptr;
 170 } va_list;
 171
 172 #else  /* ! defined(__DCC__) */
 173
 174 typedef struct {
 175        int  __va_arg;          /* argument number */
 176        int *__va_stk;          /* start of args passed on stack */
 177        int *__va_reg;          /* start of args passed in regs */
 178 } va_list;
 179
 180 #endif  /* ! defined(__DCC__) */
 181
 182 #elif _IX86_ANY
 183
 184 #if defined(__GNUC__) || defined(__STDC__)
 185 typedef void * va_list;
 186 #else
 187 typedef char * va_list;
 188 #endif
 189
 190 #endif  /*  _IX86_ANY */
 191
 192 #endif /* __LINT__ */
 193 #endif /*  !(defined(_VA_LIST) || defined(_VA_LIST_)) */
 194 #endif /*  #ifndef __INT_VARARGS_H  */
 195
 196 EOF
 197   chmod a+r ${LIB}/$file
 198 fi
 199
 200 echo 'Removing unneeded directories:'
 201 cd $LIB
 202 files=`find . -type d -print | sort -r`
 203 for file in $files; do
 204   rmdir $LIB/$file > /dev/null 2>&1
 205 done
 206
 207 if $LINKS; then
 208   echo 'Making internal symbolic non-directory links'
 209   cd ${INPUT}
 210   files=`find . -type l -print`
 211   for file in $files; do
 212     dest=`ls -ld $file | sed -n 's/.*-> //p'`
 213     if expr "$dest" : '[^/].*' > /dev/null; then
 214       target=${LIB}/`echo file | sed "s|[^/]*\$|$dest|"`
 215       if [ -f $target ]; then
 216         ln -s $dest ${LIB}/$file >/dev/null 2>&1
 217       fi
 218     fi
 219   done
 220 fi
 221
 222 done
 223
 224 exit 0