fixinc.svr4

gcc-2.95.3 Linux下最常用的C编译器

#! /bin/sh
# Install modified versions of certain ANSI-incompatible
# native System V Release 4 system include files.
# Copyright (C) 1994, 1996, 1997, 1998 Free Software Foundation, Inc.
# Contributed by Ron Guilmette ([e-mail]).
#
# This file is part of GNU CC.
# 
# GNU CC is free software; you can 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.
# 
# GNU CC 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 GNU CC; see the file COPYING.  If not, write to
# the Free Software Foundation, 59 Temple Place - Suite 330,
# Boston, MA 02111-1307, USA.
#
#	This script munges the native include files provided with System V
#	Release 4 systems so as to remove things which are violations of the
#	ANSI C standard.  Once munged, the resulting new system include files
#	are placed in a directory that GNU C will search *before* searching
#	the /usr/include directory. This script should work properly for most
#	System V Release 4 systems.  For other types of systems, you should
#	use the `fixincludes' script instead.
#
#	See README-fixinc for more information.

# 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

# Directory in which to store the results.
LIB=${1?"fixincludes: output directory not specified"}

# Make sure it exists.
if [ ! -d $LIB ]; then
  mkdir $LIB || exit 1
fi

ORIG_DIR=`${PWDCMD-pwd}`

# Make LIB absolute if it is relative.
# Don't do this if not necessary, since may screw up automounters.
case $LIB in
/*)
	;;
*)
 	cd $LIB; LIB=`${PWDCMD-pwd}`
	;;
esac

echo 'Building fixincludes in ' ${LIB}

# Determine whether this filesystem has symbolic links.
if ln -s X $LIB/ShouldNotExist 2>/dev/null; then
  rm -f $LIB/ShouldNotExist
  LINKS=true
else
  LINKS=false
fi

echo 'Making directories:'

# Directory containing the original header files.
shift
if [ $# -eq 0 ] ; then
  set /usr/include
fi

INLIST="$@"

for INPUT in ${INLIST} ; do
cd ${ORIG_DIR}
cd ${INPUT}

if $LINKS; then
  files=`find . -follow -type d -print 2>/dev/null | sed '/^.$/d'`
else
  files=`find . -type d -print | sed '/^.$/d'`
fi
for file in $files; do
  rm -rf $LIB/$file
  if [ ! -d $LIB/$file ]
  then mkdir $LIB/$file
  fi
done

# treetops gets an alternating list
# of old directories to copy
# and the new directories to copy to.
treetops="${INPUT} ${LIB}"

if $LINKS; then
  echo 'Making internal symbolic directory links'
  for file in $files; do
    dest=`ls -ld $file | sed -n 's/.*-> //p'`
    if [ "$dest" ]; then    
      cwd=`pwd`
      # In case $dest is relative, get to $file's dir first.
      cd ${INPUT}
      cd `echo ./$file | sed -n 's&[^/]*$&&p'`
      rwd=`pwd`
      # 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
	# X gets the dir that the link actually leads to.
	x=`pwd`
	# If link leads back into ${INPUT},
	# make a similar link here.
        if expr "$dest" : '[^/][^/]*' >/dev/null && [ ! -h $dest ]; then
          echo $file '->'  $dest': Making link'
          rm -fr ${LIB}/$file > /dev/null 2>&1
          ln -s $dest ${LIB}/$file > /dev/null 2>&1
	elif expr $x : "${INPUT}/.*" > /dev/null; then
	  # Y gets the actual target dir name, relative to ${INPUT}.
	  y=`echo $x | sed -n "s&${INPUT}/&&p"`
	  # DOTS is the relative path from ${LIB}/$file's dir back to ${LIB}.
	  dots=`echo "$file" |
	    sed -e 's@^./@@' -e 's@/./@/@g' -e 's@[^/][^/]*@..@g' -e 's@..$@@'`
	  echo $file '->' $dots$y ': Making link'
	  rm -fr ${LIB}/$file > /dev/null 2>&1
	  ln -s $dots$y ${LIB}/$file > /dev/null 2>&1
	elif expr $x : "${rwd}/.*" > /dev/null; then
	  # Y gets the actual target dir name, relative to the directory where the link is.
	  y=`echo $x | sed -n "s&${rwd}/&&p"`
	  # DOTS is the relative path from ${LIB}/$file's dir back to ${LIB}.
	  dots=`echo "$file" |
	    sed -e 's@^./@@' -e 's@/./@/@g' -e 's@[^/][^/]*@..@g' -e 's@..$@@'`
	  echo $file '->' $dots$y ': Making link'
	  rm -fr ${LIB}/$file > /dev/null 2>&1
	  ln -s $dots$y ${LIB}/$file > /dev/null 2>&1
	else
	  # If the link is to outside ${INPUT},
	  # treat this directory as if it actually contained the files.
# This line used to have $dest instead of $x.
# $dest seemed to be wrong for links found in subdirectories
# of ${INPUT}.  Does this change break anything?
	  treetops="$treetops $x ${LIB}/$file"
	fi
      fi
      cd $cwd
    fi
  done
fi

set - $treetops
while [ $# != 0 ]; do
  # $1 is an old directory to copy, and $2 is the new directory to copy to.
  echo "Finding header files in $1:"
  cd ${INPUT}
  cd $1
  files=`find . -name '*.h' -type f -print`
  echo 'Checking header files:'
  for file in $files; do
      if [ -r $file ]; then
	cp $file $2/$file >/dev/null 2>&1 || echo "Can't copy $file"
	chmod +w $2/$file
	chmod a+r $2/$file

# The following have been removed from the sed command below
# because it is more useful to leave these things in.
# The only reason to remove them was for -pedantic,
# which isn't much of a reason. -- rms.
#	  /^[ 	]*#[ 	]*ident/d

# This code makes Solaris SCSI fail, because it changes the
# alignment within some critical structures.  See <sys/scsi/impl/commands.h>.
#	  s/u_char\([ 	][ 	]*[a-zA-Z0-9_][a-zA-Z0-9_]*[ 	]*:[ 	]*[0-9][0-9]*\)/u_int\1/
# Disable these also, since they probably aren't safe either.
#	  s/u_short\([ 	][ 	]*[a-zA-Z0-9_][a-zA-Z0-9_]*[ 	]*:[ 	]*[0-9][0-9]*\)/u_int\1/
#	  s/ushort\([ 	][ 	]*[a-zA-Z0-9_][a-zA-Z0-9_]*[ 	]*:[ 	]*[0-9][0-9]*\)/u_int\1/
#	  s/evcm_t\([ 	][ 	]*[a-zA-Z0-9_][a-zA-Z0-9_]*[ 	]*:[ 	]*[0-9][0-9]*\)/u_int\1/
#	  s/Pbyte\([ 	][ 	]*[a-zA-Z0-9_][a-zA-Z0-9_]*[ 	]*:[ 	]*SEQSIZ\)/unsigned int\1/

# The change of u_char, etc, to u_int
# applies to bit fields.
	sed -e '
	  s%^\([ 	]*#[ 	]*else\)[ 	]*/[^*].*%\1%
	  s%^\([ 	]*#[ 	]*else\)[ 	]*[^/ 	].*%\1%
	  s%^\([ 	]*#[ 	]*endif\)[ 	]*/[^*].*%\1%
	  s%^\([ 	]*#[ 	]*endif\)[ 	]*[^/ 	].*%\1%
  	  s/#lint(on)/defined(lint)/g
  	  s/#lint(off)/!defined(lint)/g
  	  s/#machine(\([^)]*\))/defined(__\1__)/g
  	  s/#system(\([^)]*\))/defined(__\1__)/g
  	  s/#cpu(\([^)]*\))/defined(__\1__)/g
	  /#[a-z]*if.*[	 (]m68k/		s/\([^_]\)m68k/\1__m68k__/g
	  /#[a-z]*if.*[	 (]__i386\([^_]\)/	s/__i386/__i386__/g
	  /#[a-z]*if.*[	 (]i386/		s/\([^_]\)i386/\1__i386__/g
	  /#[a-z]*if.*[	 (!]__i860\([^_]\)/	s/__i860/__i860__/g
	  /#[a-z]*if.*[	 (!]i860/		s/\([^_]\)i860/\1__i860__/g
	  /#[a-z]*if.*[	 (]sparc/	s/\([^_]\)sparc/\1__sparc__/g
	  /#[a-z]*if.*[	 (]mc68000/	s/\([^_]\)mc68000/\1__mc68000__/g
	  /#[a-z]*if.*[	 (]vax/		s/\([^_]\)vax/\1__vax__/g
	  /#[a-z]*if.*[	 (]sun/		s/\([^_]\)\(sun[a-z0-9]*\)\([^a-z0-9_]\)/\1__\2__\3/g
	  /#[a-z]*if.*[	 (]sun/		s/\([^_]\)\(sun[a-z0-9]*\)$/\1__\2__/g
	  /#[a-z]*if.*[	 (]ns32000/	s/\([^_]\)ns32000/\1__ns32000__/g
	  /#[a-z]*if.*[	 (]pyr/		s/\([^_]\)pyr/\1__pyr__/g
	  /#[a-z]*if.*[	 (]is68k/	s/\([^_]\)is68k/\1__is68k__/g
	  s/__STDC__[ 	][ 	]*==[ 	][ 	]*0/!defined (__STRICT_ANSI__)/g
	  s/__STDC__[ 	][ 	]*==[ 	][ 	]*1/defined (__STRICT_ANSI__)/g
	  s/__STDC__[ 	][ 	]*!=[ 	][ 	]*0/defined (__STRICT_ANSI__)/g
	  s/__STDC__[ 	][ 	]*!=[ 	][ 	]*1/!defined (__STRICT_ANSI__)/g
	  s/__STDC__ - 0 == 0/!defined (__STRICT_ANSI__)/g
	  s/__STDC__ - 0 == 1/defined (__STRICT_ANSI__)/g
	  /^typedef[ 	][ 	]*[unsigned 	]*long[ 	][ 	]*[u_]*longlong_t;/s/long/long long/
	' $2/$file > $2/$file.sed
	mv $2/$file.sed $2/$file
	if cmp $file $2/$file >/dev/null 2>&1; then
	   rm $2/$file
	else
	   echo Fixed $file
	fi
      fi
  done
  shift; shift
done

# Install the proper definition of the three standard types in header files
# that they come from.
for file in sys/types.h stdlib.h sys/stdtypes.h stddef.h memory.h unistd.h; do
  if [ -r $file ] && [ ! -r ${LIB}/$file ]; then
    cp $file ${LIB}/$file >/dev/null 2>&1 || echo "Can't copy $file"
    chmod +w ${LIB}/$file 2>/dev/null
    chmod a+r ${LIB}/$file 2>/dev/null
  fi

  if [ -r ${LIB}/$file ]; then
    echo Fixing size_t, ptrdiff_t and wchar_t in $file
    sed \
      -e '/typedef[ 	][ 	]*[a-z_][ 	a-z_]*[ 	]size_t/i\
#ifndef __SIZE_TYPE__\
#define __SIZE_TYPE__ long unsigned int\
#endif
' \
      -e 's/typedef[ 	][ 	]*[a-z_][ 	a-z_]*[ 	]size_t/typedef __SIZE_TYPE__ size_t/' \
      -e '/typedef[ 	][ 	]*[a-z_][ 	a-z_]*[ 	]ptrdiff_t/i\
#ifndef __PTRDIFF_TYPE__\
#define __PTRDIFF_TYPE__ long int\
#endif
' \
      -e 's/typedef[ 	][ 	]*[a-z_][ 	a-z_]*[ 	]ptrdiff_t/typedef __PTRDIFF_TYPE__ ptrdiff_t/' \
      -e '/typedef[ 	][ 	]*[a-z_][ 	a-z_]*[ 	]wchar_t/i\
#ifndef __WCHAR_TYPE__\
#define __WCHAR_TYPE__ int\
#endif
' \
      -e 's/typedef[ 	][ 	]*[a-z_][ 	a-z_]*[ 	]wchar_t/typedef __WCHAR_TYPE__ wchar_t/' \
      ${LIB}/$file > ${LIB}/${file}.sed
    rm -f ${LIB}/$file; mv ${LIB}/${file}.sed ${LIB}/$file
    if cmp $file ${LIB}/$file >/dev/null 2>&1; then
      rm ${LIB}/$file
    fi
  fi
done

# Fix first broken decl of getcwd present on some svr4 systems.

file=stdlib.h
base=`basename $file`
if [ -r ${LIB}/$file ]; then
  file_to_fix=${LIB}/$file
else
  if [ -r ${INPUT}/$file ]; then
    file_to_fix=${INPUT}/$file
  else
    file_to_fix=""
  fi
fi
if [ \! -z "$file_to_fix" ]; then
  echo Checking $file_to_fix
  sed -e 's/getcwd(char \*, int)/getcwd(char *, size_t)/' $file_to_fix > /tmp/$base
  if cmp $file_to_fix /tmp/$base >/dev/null 2>&1; then \
    true
  else
    echo Fixed $file_to_fix
    rm -f ${LIB}/$file
    cp /tmp/$base ${LIB}/$file
    chmod a+r ${LIB}/$file
  fi
  rm -f /tmp/$base
fi

# Fix second broken decl of getcwd present on some svr4 systems.  Also
# fix the incorrect decl of profil present on some svr4 systems.

file=unistd.h
base=`basename $file`
if [ -r ${LIB}/$file ]; then
  file_to_fix=${LIB}/$file
else
  if [ -r ${INPUT}/$file ]; then
    file_to_fix=${INPUT}/$file
  else
    file_to_fix=""
  fi
fi
if [ \! -z "$file_to_fix" ]; then
  echo Checking $file_to_fix
  sed -e 's/getcwd(char \*, int)/getcwd(char *, size_t)/' $file_to_fix \
    | sed -e 's/profil(unsigned short \*, unsigned int, unsigned int, unsigned int)/profil(unsigned short *, size_t, int, unsigned)/' > /tmp/$base
  if cmp $file_to_fix /tmp/$base >/dev/null 2>&1; then \
    true
  else
    echo Fixed $file_to_fix
    rm -f ${LIB}/$file
    cp /tmp/$base ${LIB}/$file
    chmod a+r ${LIB}/$file
  fi
  rm -f /tmp/$base
fi

# Fix the definition of NULL in <sys/param.h> so that it is conditional
# and so that it is correct for both C and C++.

file=sys/param.h
base=`basename $file`
if [ -r ${LIB}/$file ]; then
  file_to_fix=${LIB}/$file
else
  if [ -r ${INPUT}/$file ]; then
    file_to_fix=${INPUT}/$file
  else
    file_to_fix=""
  fi
fi
if [ \! -z "$file_to_fix" ]; then
  echo Checking $file_to_fix
  cp $file_to_fix /tmp/$base
  chmod +w /tmp/$base
  chmod a+r /tmp/$base
  sed -e '/^#define[ 	]*NULL[ 	]*0$/c\
#ifndef NULL\
#ifdef __cplusplus\
#define __NULL_TYPE\
#else /* !defined(__cplusplus) */\
#define __NULL_TYPE (void *)\
#endif /* !defined(__cplusplus) */\
#define NULL (__NULL_TYPE 0)\
#endif /* !defined(NULL) */' /tmp/$base > /tmp/$base.sed
  if cmp $file_to_fix /tmp/$base.sed >/dev/null 2>&1; then \
    true
  else
    echo Fixed $file_to_fix
    rm -f ${LIB}/$file
    cp /tmp/$base.sed ${LIB}/$file
    chmod a+r ${LIB}/$file
  fi
  rm -f /tmp/$base /tmp/$base.sed
fi

# Likewise fix the definition of NULL in <stdio.h> so that it is conditional
# and so that it is correct for both C and C++.

file=stdio.h
base=`basename $file`
if [ -r ${LIB}/$file ]; then
  file_to_fix=${LIB}/$file
else
  if [ -r ${INPUT}/$file ]; then
    file_to_fix=${INPUT}/$file
  else
    file_to_fix=""
  fi
fi
if [ \! -z "$file_to_fix" ]; then
  echo Checking $file_to_fix
  cp $file_to_fix /tmp/$base
  chmod +w /tmp/$base
  sed -e '/^#define[ 	]*NULL[ 	]*0$/c\
#ifdef __cplusplus\
#define __NULL_TYPE\
#else /* !defined(__cplusplus) */\
#define __NULL_TYPE (void *)\
#endif /* !defined(__cplusplus) */\
#define NULL (__NULL_TYPE 0)' /tmp/$base > /tmp/$base.sed
  if cmp $file_to_fix /tmp/$base.sed >/dev/null 2>&1; then \
    true
  else
    echo Fixed $file_to_fix
    rm -f ${LIB}/$file
    cp /tmp/$base.sed ${LIB}/$file
    chmod a+r ${LIB}/$file
  fi
  rm -f /tmp/$base /tmp/$base.sed
fi

# Likewise fix the definition of NULL in <dbm.h> so that it is conditional
# and so that it is correct for both C and C++.

file=dbm.h
base=`basename $file`
if [ -r ${LIB}/$file ]; then
  file_to_fix=${LIB}/$file
else
  if [ -r ${INPUT}/$file ]; then
    file_to_fix=${INPUT}/$file
  else
    file_to_fix=""
  fi
fi
if [ \! -z "$file_to_fix" ]; then
  echo Checking $file_to_fix
  cp $file_to_fix /tmp/$base
  chmod +w /tmp/$base
  sed -e '/^#define[ 	]*NULL[ 	]*((char \*) 0)$/c\
#ifndef NULL\
#ifdef __cplusplus\
#define __NULL_TYPE\
#else /* !defined(__cplusplus) */\
#define __NULL_TYPE (void *)\
#endif /* !defined(__cplusplus) */\
#define NULL (__NULL_TYPE 0)\
#endif /* !defined(NULL) */' /tmp/$base > /tmp/$base.sed
  if cmp $file_to_fix /tmp/$base.sed >/dev/null 2>&1; then \
    true
  else
    echo Fixed $file_to_fix
    rm -f ${LIB}/$file
    cp /tmp/$base.sed ${LIB}/$file
    chmod a+r ${LIB}/$file
  fi
  rm -f /tmp/$base /tmp/$base.sed
fi

# Add a prototyped declaration of mmap to <sys/mman.h>.

file=sys/mman.h
base=`basename $file`
if [ -r ${LIB}/$file ]; then
  file_to_fix=${LIB}/$file
else
  if [ -r ${INPUT}/$file ]; then
    file_to_fix=${INPUT}/$file
  else
    file_to_fix=""
  fi
fi
if [ \! -z "$file_to_fix" ]; then
  echo Checking $file_to_fix
  cp $file_to_fix /tmp/$base
  chmod +w /tmp/$base
  sed -e '/^extern caddr_t mmap();$/c\
#ifdef __STDC__\
extern caddr_t mmap (caddr_t, size_t, int, int, int, off_t);\
#else /* !defined(__STDC__) */\
extern caddr_t mmap ();\
#endif /* !defined(__STDC__) */' /tmp/$base > /tmp/$base.sed
  if cmp $file_to_fix /tmp/$base.sed >/dev/null 2>&1; then \
    true
  else
    echo Fixed $file_to_fix
    rm -f ${LIB}/$file
    cp /tmp/$base.sed ${LIB}/$file
    chmod a+r ${LIB}/$file
  fi
  rm -f /tmp/$base /tmp/$base.sed
fi

# Fix declarations of `ftw' and `nftw' in <ftw.h>.  On some/most SVR4 systems
# the file <ftw.h> contains extern declarations of these functions followed
# by explicitly `static' definitions of these functions... and that's not
# allowed according to ANSI C.  (Note however that on Solaris, this header
# file glitch has been pre-fixed by Sun.  In the Solaris version of <ftw.h>
# there are no static definitions of any function so we don't need to do
# any of this stuff when on Solaris.

file=ftw.h
base=`basename $file`
if [ -r ${LIB}/$file ]; then
  file_to_fix=${LIB}/$file
else
  if [ -r ${INPUT}/$file ]; then
    file_to_fix=${INPUT}/$file
  else
    file_to_fix=""
  fi
fi
if test -z "$file_to_fix" || grep 'define	ftw' $file_to_fix > /dev/null; then
# Either we have no <ftw.h> file at all, or else we have the pre-fixed Solaris
# one.  Either way, we don't have to do anything.
  true
else
  echo Checking $file_to_fix
  cp $file_to_fix /tmp/$base
  chmod +w /tmp/$base
  sed -e '/^extern int ftw(const/i\
#if !defined(_STYPES)\
static\
#else\
extern\
#endif
'\
  -e 's/extern \(int ftw(const.*\)$/\1/' \
  -e '/^extern int nftw/i\
#if defined(_STYPES)\
static\
#else\
extern\
#endif
'\
  -e 's/extern \(int nftw.*\)$/\1/' \
  -e '/^extern int ftw(),/c\
#if !defined(_STYPES)\
static\
#else\
extern\
#endif\
  int ftw();\
#if defined(_STYPES)\
static\
#else\
extern\
#endif\
  int nftw();' /tmp/$base > /tmp/$base.sed
  if cmp $file_to_fix /tmp/$base.sed >/dev/null 2>&1; then \
    true
  else
    echo Fixed $file_to_fix
    rm -f ${LIB}/$file
    cp /tmp/$base.sed ${LIB}/$file
    chmod a+r ${LIB}/$file
  fi
  rm -f /tmp/$base /tmp/$base.sed
fi

# Avoid the definition of the bool type in the Solaris 2.x curses.h when using
# g++, since it's now an official type in the C++ language.
file=curses.h
base=`basename $file`
if [ -r ${LIB}/$file ]; then
  file_to_fix=${LIB}/$file
else
  if [ -r ${INPUT}/$file ]; then
    file_to_fix=${INPUT}/$file
  else
    file_to_fix=""
  fi
fi

if [ \! -z "$file_to_fix" ]; then
  echo Checking $file_to_fix
  cp $file_to_fix /tmp/$base
  chmod +w /tmp/$base
  sed -e 's,^typedef[ 	]char[ 	]bool;$,#ifndef __cplusplus\
typedef	char bool;\
#endif /* !defined __cplusplus */,' /tmp/$base > /tmp/$base.sed
  if cmp $file_to_fix /tmp/$base.sed >/dev/null 2>&1; then \
    true
  else
    echo Fixed $file_to_fix
    rm -f ${LIB}/$file
    cp /tmp/$base.sed ${LIB}/$file
    chmod a+r ${LIB}/$file
  fi
  rm -f /tmp/$base /tmp/$base.sed
fi

# Add a `static' declaration of `getrnge' into <regexp.h>.

# Don't do this if there is already a `static void getrnge' declaration
# present, since this would cause a redeclaration error.  Solaris 2.x has
# such a declaration.

file=regexp.h
base=`basename $file`
if [ -r ${LIB}/$file ]; then
  file_to_fix=${LIB}/$file
else
  if [ -r ${INPUT}/$file ]; then
    file_to_fix=${INPUT}/$file
  else
    file_to_fix=""
  fi
fi
if [ \! -z "$file_to_fix" ]; then
  echo Checking $file_to_fix
  if grep "static void getrnge" $file_to_fix > /dev/null; then
    true
  else
    cp $file_to_fix /tmp/$base
    chmod +w /tmp/$base
    sed -e '/^static int[ 	]*size;/c\
static int	size ;\
\
static int getrnge ();' /tmp/$base > /tmp/$base.sed
    if cmp $file_to_fix /tmp/$base.sed >/dev/null 2>&1; then \
      true
    else
      echo Fixed $file_to_fix
      rm -f ${LIB}/$file
      cp /tmp/$base.sed ${LIB}/$file
      chmod a+r ${LIB}/$file
    fi