gcc/fixinc/fixinc.irix

   1 #! /bin/sh
   2 # Install modified versions of certain problematic Irix include files.
   3 # If possible, create a wrapper (see fixinc.wrap) instead of copying files.
   4 #
   5 # Copyright (C) 1997, 1998 Free Software Foundation, Inc.
   6 # Contributed by Brendan Kehoe (brendan@cygnus.com).
   7 #
   8 # This file is part of GNU CC.
   9 #
  10 # GNU CC is free software; you can redistribute it and/or modify
  11 # it under the terms of the GNU General Public License as published by
  12 # the Free Software Foundation; either version 2, or (at your option)
  13 # any later version.
  14 #
  15 # GNU CC is distributed in the hope that it will be useful,
  16 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  17 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18 # GNU General Public License for more details.
  19 #
  20 # You should have received a copy of the GNU General Public License
  21 # along with GNU CC; see the file COPYING.  If not, write to
  22 # the Free Software Foundation, 59 Temple Place - Suite 330,
  23 # Boston, MA 02111-1307, USA.
  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 # Directory containing the original header files.
  55 shift
  56 if [ $# -eq 0 ] ; then
  57   set /usr/include
  58 fi
  59
  60 INLIST="$@"
  61
  62 for INPUT in ${INLIST} ; do
  63 cd ${ORIG_DIR}
  64 cd ${INPUT}
  65
  66 #
  67 # Note: For Irix, we deliberately don't try to create the directory trees,
  68 #       since we only modify math.h, limits.h and unistd.h.  If we
  69 #       ADD ANY OTHERS, the "Making directories:" and symlinks code from
  70 #       fixinc.svr4 may have to go back in.
  71
  72 # This math.h fix is copied from fixinc.wrap.  We want to avoid copying
  73 # math.h because both math.h and stdlib.h have a declaration for initstate,
  74 # and this declaration changed between Irix 6.2 and Irix 6.3.  If we copy this
  75 # file, then the same toolchain can't be shared between 6.2 and 6.3+.
  76
  77 # Some math.h files define struct exception, which conflicts with
  78 # the class exception defined in the C++ file std/stdexcept.h.  We
  79 # redefine it to __math_exception.  This is not a great fix, but I
  80 # haven't been able to think of anything better.
  81 file=math.h
  82 if [ -r $INPUT/$file ]; then
  83   echo Checking $INPUT/$file
  84   if grep 'struct exception' $INPUT/$file >/dev/null
  85   then
  86     echo Fixed $file
  87     rm -f $LIB/$file
  88     cat <<'__EOF__' >$LIB/$file
  89 #ifndef _MATH_H_WRAPPER
  90 #ifdef __cplusplus
  91 # define exception __math_exception
  92 #endif
  93 #include_next <math.h>
  94 #ifdef __cplusplus
  95 # undef exception
  96 #endif
  97 #define _MATH_H_WRAPPER
  98 #endif /* _MATH_H_WRAPPER */
  99 __EOF__
 100     # Define _MATH_H_WRAPPER at the end of the wrapper, not the start,
 101     # so that if #include_next gets another instance of the wrapper,
 102     # this will follow the #include_next chain until we arrive at
 103     # the real <math.h>.
 104     chmod a+r $LIB/$file
 105   fi
 106 fi
 107
 108 # Avoid the definition of the bool type in curses.h when using
 109 # g++, since it's now an official type in the C++ language.
 110
 111 # This is also from fixinc.wrap.
 112
 113 file=curses.h
 114 if [ -r $INPUT/$file ]; then
 115   echo Checking $INPUT/$file
 116   w='[   ]'
 117   if grep "typedef$w$w*char$w$w*bool$w*;" $INPUT/$file >/dev/null
 118   then
 119     echo Fixed $file
 120     rm -f $LIB/$file
 121     cat <<'__EOF__' >$LIB/$file
 122 #ifndef _CURSES_H_WRAPPER
 123 #ifdef __cplusplus
 124 # define bool __curses_bool_t
 125 #endif
 126 #include_next <curses.h>
 127 #ifdef __cplusplus
 128 # undef bool
 129 #endif
 130 #define _CURSES_H_WRAPPER
 131 #endif /* _CURSES_H_WRAPPER */
 132 __EOF__
 133     # Define _CURSES_H_WRAPPER at the end of the wrapper, not the start,
 134     # so that if #include_next gets another instance of the wrapper,
 135     # this will follow the #include_next chain until we arrive at
 136     # the real <curses.h>.
 137     chmod a+r $LIB/$file
 138   fi
 139 fi
 140
 141 # In limits.h, put #ifndefs around things that are supposed to be defined
 142 # in float.h to avoid redefinition errors if float.h is included first.
 143
 144 file=limits.h
 145 base=`basename $file`.$$
 146 if [ -r ${LIB}/$file ]; then
 147   file_to_fix=${LIB}/$file
 148 else
 149   if [ -r ${INPUT}/$file ]; then
 150     file_to_fix=${INPUT}/$file
 151   else
 152     file_to_fix=""
 153   fi
 154 fi
 155 if [ \! -z "$file_to_fix" ]; then
 156   echo Checking $file_to_fix
 157   sed -e '/[    ]FLT_MIN[       ]/i\
 158 #ifndef FLT_MIN
 159 '\
 160       -e '/[    ]FLT_MIN[       ]/a\
 161 #endif
 162 '\
 163       -e '/[    ]FLT_MAX[       ]/i\
 164 #ifndef FLT_MAX
 165 '\
 166       -e '/[    ]FLT_MAX[       ]/a\
 167 #endif
 168 '\
 169       -e '/[    ]FLT_DIG[       ]/i\
 170 #ifndef FLT_DIG
 171 '\
 172       -e '/[    ]FLT_DIG[       ]/a\
 173 #endif
 174 '\
 175       -e '/[    ]DBL_MIN[       ]/i\
 176 #ifndef DBL_MIN
 177 '\
 178       -e '/[    ]DBL_MIN[       ]/a\
 179 #endif
 180 '\
 181       -e '/[    ]DBL_MAX[       ]/i\
 182 #ifndef DBL_MAX
 183 '\
 184       -e '/[    ]DBL_MAX[       ]/a\
 185 #endif
 186 '\
 187       -e '/[    ]DBL_DIG[       ]/i\
 188 #ifndef DBL_DIG
 189 '\
 190       -e '/[    ]DBL_DIG[       ]/a\
 191 #endif
 192 ' $file_to_fix > /tmp/$base
 193   if cmp $file_to_fix /tmp/$base >/dev/null 2>&1; then \
 194     true
 195   else
 196     echo Fixed $file_to_fix
 197     rm -f ${LIB}/$file
 198     cp /tmp/$base ${LIB}/$file
 199     chmod a+r ${LIB}/$file
 200   fi
 201   rm -f /tmp/$base
 202 fi
 203
 204 # The Irix unistd.h will introduce a call to __vfork in its libc, but the
 205 # function is never actually prototyped.
 206 file=unistd.h
 207 base=`basename $file`.$$
 208 if [ -r ${LIB}/$file ]; then
 209   file_to_fix=${LIB}/$file
 210 else
 211   if [ -r ${INPUT}/$file ]; then
 212     file_to_fix=${INPUT}/$file
 213   else
 214     file_to_fix=""
 215   fi
 216 fi
 217 if [ \! -z "$file_to_fix" ]; then
 218   echo Checking $file_to_fix
 219   sed -e '/__vfork/i\
 220 extern pid_t __vfork(void);'\
 221      $file_to_fix > /tmp/$base
 222   if cmp $file_to_fix /tmp/$base >/dev/null 2>&1; then \
 223     true
 224   else
 225     echo Fixed $file_to_fix
 226     rm -f ${LIB}/$file
 227     cp /tmp/$base ${LIB}/$file
 228     chmod a+r ${LIB}/$file
 229   fi
 230   rm -f /tmp/$base
 231 fi
 232
 233 done
 234
 235 # Don't use or define the name va_list in stdio.h.
 236 # This is for ANSI and also to interoperate properly with gcc's varargs.h.
 237 # Arrange for stdio.h to use stdarg.h to define __gnuc_va_list
 238 file=stdio.h
 239 base=`basename $file`.$$
 240 if [ -r ${LIB}/$file ]; then
 241   file_to_fix=${LIB}/$file
 242 else
 243   if [ -r ${INPUT}/$file ]; then
 244     file_to_fix=${INPUT}/$file
 245   else
 246     file_to_fix=""
 247   fi
 248 fi
 249 if [ \! -z "$file_to_fix" ]; then
 250   echo Fixing $file_to_fix
 251   echo "#define __need___va_list" > /tmp/$base
 252   echo "#include <stdarg.h>" >> /tmp/$base
 253
 254   sed -e 's@ va_list @ __gnuc_va_list @' \
 255       -e 's@ va_list)@ __gnuc_va_list)@' \
 256       -e 's@ _BSD_VA_LIST_))@ __gnuc_va_list))@' \
 257       -e 's@ _VA_LIST_));@ __gnuc_va_list));@' \
 258       -e 's@ va_list@ __not_va_list__@' \
 259       -e 's@\*va_list@*__not_va_list__@' \
 260       -e 's@ __va_list)@ __gnuc_va_list)@' \
 261       -e 's@GNUC_VA_LIST@GNUC_Va_LIST@' \
 262       -e 's@_NEED___VA_LIST@_NEED___Va_LIST@' \
 263       -e 's@VA_LIST@DUMMY_VA_LIST@' \
 264       -e 's@_Va_LIST@_VA_LIST@' $file_to_fix >> /tmp/$base
 265   echo Fixed $file_to_fix
 266   rm -f ${LIB}/$file
 267   cp /tmp/$base ${LIB}/$file
 268   chmod a+r ${LIB}/$file
 269   rm -f /tmp/$base
 270 fi
 271
 272 if [ x${INSTALL_ASSERT_H} != x ]
 273 then
 274   cd ${ORIG_DIR}
 275   rm -f include/assert.h
 276   cp ${srcdir}/assert.h include/assert.h || exit 1
 277   chmod a+r include/assert.h
 278 fi
 279
 280 exit 0