* tree.c (unsave_expr_now): Avoid recursing into the parts of

[pf3gnuchains/gcc-fork.git] / gcc / fixincludes

diff --git a/gcc/fixincludes b/gcc/fixincludes
index d602bc5..f7adfa1 100755 (executable)
--- a/gcc/fixincludes
+++ b/gcc/fixincludes
@@ -5,11 +5,6 @@
 
 # See README-fixinc for more information.
 
-# Directory where gcc sources (and sometimes special include files) live.
-# fixincludes doesn't use this, but fixinc.svr4 does, and I want to make
-# sure somebody doesn't try to use arg3 for something incompatible. -- gumby
-SRCDIR=${3-${SRCDIR-.}}
-
 # Directory containing the original header files.
 # (This was named INCLUDES, but that conflicts with a name in Makefile.in.)
 INPUT=${2-${INPUT-/usr/include}}
@@ -44,16 +39,6 @@ case $LIB in
        ;;
 esac
 
-# Make SRCDIR absolute only if needed to avoid problems with the amd.
-cd $ORIGDIR
-case $SRCDIR in
-/*)
-       ;;
-*)
-       cd $SRCDIR; SRCDIR=`${PWDCMD}`
-       ;;
-esac
-
 # Fail if no arg to specify a directory for the output.
 if [ x$1 = x ]
 then echo fixincludes: no output directory specified
@@ -90,14 +75,11 @@ do
     for d in $dirs
     do
        echo " Searching $INPUT/$d"
-       if [ "$d" != . ]
-       then
-           d=$d/.
-       fi
 
        # Find all directories under $d, relative to $d, excluding $d itself.
-        files="$files `find $d -type d -print | \
-                      sed -e '/\/\.$/d' -e '/^\.$/d'`"
+       # (The /. is needed after $d in case $d is a symlink.)
+        files="$files `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,
@@ -105,7 +87,7 @@ do
        # First find all the links, then test each one.
        theselinks=
        $LINKS && \
-         theselinks=`find $d -type l -print`
+         theselinks=`find $d/. -type l -print | sed -e 's@/./@/@g'`
        for d1 in $theselinks --dummy--
        do
            # If the link points to a directory,
@@ -157,16 +139,19 @@ if $LINKS; then
        cd $dest
        # X gets the dir that the link actually leads to.
        x=`${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 [ $x = $INPUT ]; then
+       if [ $x = ${cinput} ]; then
          echo $file '->' . ': Making link'
          rm -fr ${LIB}/$file > /dev/null 2>&1
          ln -s . ${LIB}/$file > /dev/null 2>&1
        # If link leads back into ${INPUT},
        # make a similar link here.
-       elif expr $x : "${INPUT}/.*" > /dev/null; then
+       elif expr $x : "${cinput}/.*" > /dev/null; then
          # Y gets the actual target dir name, relative to ${INPUT}.
-         y=`echo $x | sed -n "s&${INPUT}/&&p"`
+         y=`echo $x | sed -n "s&${cinput}/&&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@..$@@'`
@@ -197,7 +182,7 @@ if $LINKS; then
          # root area.
          for file2 in $files; do
            case $file2 in
-             $file/./*)
+             $file/*)
                dupdir=${LIB}/root$x/`echo $file2 | sed -n "s|^${file}/||p"`
                echo "Duplicating ${file}'s ${dupdir}"
                if [ -d ${dupdir} ]
@@ -210,9 +195,12 @@ if $LINKS; then
                ;;
            esac
           done
+         # Get the path from ${LIB} to $file, accounting for symlinks.
+         parent=`echo "$file" | sed -e 's@/[^/]*$@@'`
+         libabs=`cd ${LIB}; ${PWDCMD}`
+         file2=`cd ${LIB}; cd $parent; ${PWDCMD} | sed -e "s@^${libabs}@@"`
          # 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@..$@@'`
+         dots=`echo "$file2" | sed -e 's@/[^/]*@../@g'`
          rm -fr ${LIB}/$file > /dev/null 2>&1
          ln -s ${dots}root$x ${LIB}/$file > /dev/null 2>&1
          treetops="$treetops $x ${LIB}/root$x"
@@ -273,6 +261,8 @@ while [ $# != 0 ]; do
        || echo "Can't copy $file"
        chmod +w $2/$file
        chmod a+r $2/$file
+       # The fixinc_eol stuff is to work around a bug in the sed
+       # program on HP/UX 10.20.
        # Here is how the sed commands in braces work.
        # (It doesn't work to put the comments inside the sed commands.)
                # Surround each word with spaces, to simplify matching below.
@@ -282,7 +272,9 @@ while [ $# != 0 ]; do
        sed -e '
                                   :loop
          /\\$/                 N
+         s/\\$/\\*fixinc_eol*/
          /\\$/                 b loop
+         s/\\\*fixinc_eol\*/\\/g
          s%^\([        ]*#[    ]*else\)[       ]*/[^*].*%\1%
          s%^\([        ]*#[    ]*else\)[       ]*[^/   ].*%\1%
          s%^\([        ]*#[    ]*endif\)[      ]*/[^*].*%\1%
@@ -298,7 +290,7 @@ while [ $# != 0 ]; do
          /#define[     ]*[     ]CTRL/          s/'\''\([cgx]\)'\''/\1/g
          /#define[     ]*[     ]_CTRL/         s/'\''\([cgx]\)'\''/\1/g
          /#define.BSD43_CTRL/          s/'\''\([cgx]\)'\''/\1/g
-         /#[el]*if/{
+         /#[    ]*[el]*if/{
                s/[a-zA-Z0-9_][a-zA-Z0-9_]*/ & /g
 
                s/ bsd4\([0-9]\) / __bsd4\1__ /g
@@ -314,16 +306,18 @@ while [ $# != 0 ]; do
                s/ ns32000 / __ns32000__ /g
                s/ pdp11 / __pdp11__ /g
                s/ pyr / __pyr__ /g
+               s/ sel / __sel__ /g
                s/ sony_news / __sony_news__ /g
                s/ sparc / __sparc__ /g
                s/ sun\([a-z0-9]*\) / __sun\1__ /g
+               s/ tahoe / __tahoe__ /g
                s/ tower\([_0-9]*\) / __tower\1__ /g
                s/ u370 / __u370__ /g
                s/ u3b\([0-9]*\) / __u3b\1__ /g
                s/ unix / __unix__ /g
                s/ vax / __vax__ /g
                s/ _*MIPSE\([LB]\) / __MIPSE\1__ /g
-               s/ _*R\([34]\)000 / __R\1000__ /g
+               s/ _*\([Rr][34]\)000 / __\1000__ /g
                s/ _*SYSTYPE_\([A-Z0-9]*\) / __SYSTYPE_\1__ /g
 
                s/ \([a-zA-Z0-9_][a-zA-Z0-9_]*\) /\1/g
@@ -332,7 +326,8 @@ while [ $# != 0 ]; do
                #undef NULL
        ' $2/$file > $2/$file.
        mv $2/$file. $2/$file
-       if cmp $file $2/$file >/dev/null 2>&1; then
+       if cmp $file $2/$file >/dev/null 2>&1 \
+           || egrep 'This file is part of the GNU C Library' $2/$file >/dev/null 2>&1; then
           rm $2/$file
        else
           echo Fixed $file
@@ -377,6 +372,10 @@ for file in sys/types.h stdlib.h sys/stdtypes.h stddef.h memory.h unistd.h; do
       -e '/typedef[    ][      ]*[a-z_][       a-z_]*[         ]wchar_t/i\
 #ifndef __WCHAR_TYPE__\
 #define __WCHAR_TYPE__ int\
+#endif\
+#ifndef __cplusplus
+' \
+      -e '/typedef[    ][      ]*[a-z_][       a-z_]*[         ]wchar_t/a\
 #endif
 ' \
       -e 's/typedef[   ][      ]*[a-z_][       a-z_]*[         ]wchar_t/typedef __WCHAR_TYPE__ wchar_t/' \
@@ -384,6 +383,12 @@ for file in sys/types.h stdlib.h sys/stdtypes.h stddef.h memory.h unistd.h; do
     rm -f ${LIB}/$file; mv ${LIB}/${file}.sed ${LIB}/$file
     if cmp $file ${LIB}/$file >/dev/null 2>&1; then
       rm ${LIB}/$file
+    else
+      # Find any include directives that use "file".
+      for include in `egrep '^[       ]*#[    ]*include[      ]*"[^/]' ${LIB}/$file | sed -e 's/^[    ]*#[    ]*include[      ]*"\([^"]*\)".*$/\1/'`; do
+        dir=`echo $file | sed -e s'|/[^/]*$||'`
+        required="$required ${INPUT} $dir/$include ${LIB}/$dir/$include"
+      done
     fi
   fi
 done
@@ -403,6 +408,12 @@ if [ -r ${LIB}/$file ]; then
   rm -f ${LIB}/$file; mv ${LIB}/${file}.sed ${LIB}/$file
   if cmp $file ${LIB}/$file >/dev/null 2>&1; then
     rm ${LIB}/$file
+  else
+    # Find any include directives that use "file".
+    for include in `egrep '^[       ]*#[    ]*include[      ]*"[^/]' ${LIB}/$file | sed -e 's/^[    ]*#[    ]*include[      ]*"\([^"]*\)".*$/\1/'`; do
+      dir=`echo $file | sed -e s'|/[^/]*$||'`
+      required="$required ${INPUT} $dir/$include ${LIB}/$dir/$include"
+    done
   fi
 fi
 
@@ -419,6 +430,12 @@ if [ -r ${LIB}/$file ]; then
   rm -f ${LIB}/$file; mv ${LIB}/${file}.sed ${LIB}/$file
   if cmp $file ${LIB}/$file >/dev/null 2>&1; then
     rm ${LIB}/$file
+  else
+    # Find any include directives that use "file".
+    for include in `egrep '^[       ]*#[    ]*include[      ]*"[^/]' ${LIB}/$file | sed -e 's/^[    ]*#[    ]*include[      ]*"\([^"]*\)".*$/\1/'`; do
+      dir=`echo $file | sed -e s'|/[^/]*$||'`
+      required="$required ${INPUT} $dir/$include ${LIB}/$dir/$include"
+    done
   fi
 fi
 file=sunwindow/win_lock.h
@@ -433,6 +450,12 @@ if [ -r ${LIB}/$file ]; then
   rm -f ${LIB}/$file; mv ${LIB}/${file}.sed ${LIB}/$file
   if cmp $file ${LIB}/$file >/dev/null 2>&1; then
     rm ${LIB}/$file
+  else
+    # Find any include directives that use "file".
+    for include in `egrep '^[       ]*#[    ]*include[      ]*"[^/]' ${LIB}/$file | sed -e 's/^[    ]*#[    ]*include[      ]*"\([^"]*\)".*$/\1/'`; do
+      dir=`echo $file | sed -e s'|/[^/]*$||'`
+      required="$required ${INPUT} $dir/$include ${LIB}/$dir/$include"
+    done
   fi
 fi
 
@@ -470,6 +493,12 @@ sed -e '/[  ]size_t.*;/i\
   rm -f ${LIB}/$file; mv ${LIB}/${file}.sed ${LIB}/$file
   if cmp $file ${LIB}/$file >/dev/null 2>&1; then
     rm ${LIB}/$file
+  else
+    # Find any include directives that use "file".
+    for include in `egrep '^[       ]*#[    ]*include[      ]*"[^/]' ${LIB}/$file | sed -e 's/^[    ]*#[    ]*include[      ]*"\([^"]*\)".*$/\1/'`; do
+      dir=`echo $file | sed -e s'|/[^/]*$||'`
+      required="$required ${INPUT} $dir/$include ${LIB}/$dir/$include"
+    done
   fi
 fi
 
@@ -490,6 +519,37 @@ if [ -r ${LIB}/$file ]; then
   rm -f ${LIB}/$file; mv ${LIB}/${file}.sed ${LIB}/$file
   if cmp $file ${LIB}/$file >/dev/null 2>&1; then
     rm ${LIB}/$file
+  else
+    # Find any include directives that use "file".
+    for include in `egrep '^[       ]*#[    ]*include[      ]*"[^/]' ${LIB}/$file | sed -e 's/^[    ]*#[    ]*include[      ]*"\([^"]*\)".*$/\1/'`; do
+      dir=`echo $file | sed -e s'|/[^/]*$||'`
+      required="$required ${INPUT} $dir/$include ${LIB}/$dir/$include"
+    done
+  fi
+fi
+
+# Fix this ARM/RISCiX file where ___type is a Compiler hint that is specific to
+# the Norcroft compiler.
+file=X11/Intrinsic.h
+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 $file
+  sed -e "s/___type p_type/p_type/" \
+     ${LIB}/$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
+  else
+    # Find any include directives that use "file".
+    for include in `egrep '^[         ]*#[    ]*include[      ]*"[^/]' ${LIB}/$file | sed -e 's/^[    ]*#[    ]*include[      ]*"\([^"]*\)".*$/\1/'`; do
+      dir=`echo $file | sed -e s'|/[^/]*$||'`
+      required="$required ${INPUT} $dir/$include ${LIB}/$dir/$include"
+    done
   fi
 fi
 
@@ -515,6 +575,12 @@ sed -e '/typedef[  ][      ]*[A-Za-z_][    A-Za-z_]*[      ]size_t/i\
   rm -f ${LIB}/$file; mv ${LIB}/${file}.sed ${LIB}/$file
   if cmp $file ${LIB}/$file >/dev/null 2>&1; then
     rm ${LIB}/$file
+  else
+    # Find any include directives that use "file".
+    for include in `egrep '^[       ]*#[    ]*include[      ]*"[^/]' ${LIB}/$file | sed -e 's/^[    ]*#[    ]*include[      ]*"\([^"]*\)".*$/\1/'`; do
+      dir=`echo $file | sed -e s'|/[^/]*$||'`
+      required="$required ${INPUT} $dir/$include ${LIB}/$dir/$include"
+    done
   fi
 fi
 
@@ -532,6 +598,12 @@ if [ -r ${LIB}/$file ] ; then
   rm -f ${LIB}/$file; mv ${LIB}/${file}.sed ${LIB}/$file
   if cmp $file ${LIB}/$file >/dev/null 2>&1; then
     rm ${LIB}/$file
+  else
+    # Find any include directives that use "file".
+    for include in `egrep '^[       ]*#[    ]*include[      ]*"[^/]' ${LIB}/$file | sed -e 's/^[    ]*#[    ]*include[      ]*"\([^"]*\)".*$/\1/'`; do
+      dir=`echo $file | sed -e s'|/[^/]*$||'`
+      required="$required ${INPUT} $dir/$include ${LIB}/$dir/$include"
+    done
   fi
 fi
 
@@ -551,6 +623,12 @@ if [ -r ${LIB}/$file ]; then
   rm -f ${LIB}/$file; mv ${LIB}/${file}.sed ${LIB}/$file
   if cmp $file ${LIB}/$file >/dev/null 2>&1; then
     rm ${LIB}/$file
+  else
+    # Find any include directives that use "file".
+    for include in `egrep '^[       ]*#[    ]*include[      ]*"[^/]' ${LIB}/$file | sed -e 's/^[    ]*#[    ]*include[      ]*"\([^"]*\)".*$/\1/'`; do
+      dir=`echo $file | sed -e s'|/[^/]*$||'`
+      required="$required ${INPUT} $dir/$include ${LIB}/$dir/$include"
+    done
   fi
 fi
 
@@ -570,6 +648,12 @@ if [ -r ${LIB}/$file ]; then
   rm -f ${LIB}/$file; mv ${LIB}/${file}.sed ${LIB}/$file
   if cmp $file ${LIB}/$file >/dev/null 2>&1; then
     rm ${LIB}/$file
+  else
+    # Find any include directives that use "file".
+    for include in `egrep '^[       ]*#[    ]*include[      ]*"[^/]' ${LIB}/$file | sed -e 's/^[    ]*#[    ]*include[      ]*"\([^"]*\)".*$/\1/'`; do
+      dir=`echo $file | sed -e s'|/[^/]*$||'`
+      required="$required ${INPUT} $dir/$include ${LIB}/$dir/$include"
+    done
   fi
 fi
 
@@ -589,6 +673,12 @@ if [ -r ${LIB}/$file ]; then
   rm -f ${LIB}/$file; mv ${LIB}/${file}.sed ${LIB}/$file
   if cmp $file ${LIB}/$file >/dev/null 2>&1; then
     rm ${LIB}/$file
+  else
+    # Find any include directives that use "file".
+    for include in `egrep '^[       ]*#[    ]*include[      ]*"[^/]' ${LIB}/$file | sed -e 's/^[    ]*#[    ]*include[      ]*"\([^"]*\)".*$/\1/'`; do
+      dir=`echo $file | sed -e s'|/[^/]*$||'`
+      required="$required ${INPUT} $dir/$include ${LIB}/$dir/$include"
+    done
   fi
 fi
 
@@ -606,6 +696,37 @@ if [ -r ${LIB}/$file ]; then
   rm -f ${LIB}/$file; mv ${LIB}/${file}.sed ${LIB}/$file
   if cmp $file ${LIB}/$file >/dev/null 2>&1; then
     rm ${LIB}/$file
+  else
+    # Find any include directives that use "file".
+    for include in `egrep '^[       ]*#[    ]*include[      ]*"[^/]' ${LIB}/$file | sed -e 's/^[    ]*#[    ]*include[      ]*"\([^"]*\)".*$/\1/'`; do
+      dir=`echo $file | sed -e s'|/[^/]*$||'`
+      required="$required ${INPUT} $dir/$include ${LIB}/$dir/$include"
+    done
+  fi
+fi
+
+# Check for (...) in C++ code in HP/UX sys/file.h.
+file=sys/file.h
+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
+  if egrep HPUX_SOURCE ${LIB}/$file > /dev/null; then
+    echo Fixing $file, use of '(...)'
+    sed -e 's/(\.\.\.)/(struct file * ...)/' ${LIB}/$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
+    else
+      # Find any include directives that use "file".
+      for include in `egrep '^[       ]*#[    ]*include[      ]*"[^/]' ${LIB}/$file | sed -e 's/^[    ]*#[    ]*include[      ]*"\([^"]*\)".*$/\1/'`; do
+       dir=`echo $file | sed -e s'|/[^/]*$||'`
+       required="$required ${INPUT} $dir/$include ${LIB}/$dir/$include"
+      done
+    fi
   fi
 fi
 
@@ -629,6 +750,11 @@ if [ -r ${LIB}/$file ]; then
   if cmp $file ${LIB}/$file >/dev/null 2>&1; then
     rm ${LIB}/$file
   else
+    # Find any include directives that use "file".
+    for include in `egrep '^[       ]*#[    ]*include[      ]*"[^/]' ${LIB}/$file | sed -e 's/^[    ]*#[    ]*include[      ]*"\([^"]*\)".*$/\1/'`; do
+      dir=`echo $file | sed -e s'|/[^/]*$||'`
+      required="$required ${INPUT} $dir/$include ${LIB}/$dir/$include"
+    done
 # This file has an alternative name, mips/cpu.h.  Fix that name, too.
     if cmp machine/cpu.h mips/cpu.h > /dev/null 2>&1; then
       mkdir ${LIB}/mips 2>&-
@@ -655,6 +781,12 @@ extern char *      sprintf();\
   rm -f ${LIB}/$file; mv ${LIB}/${file}.sed ${LIB}/$file
   if cmp $file ${LIB}/$file >/dev/null 2>&1; then
     rm ${LIB}/$file
+  else
+    # Find any include directives that use "file".
+    for include in `egrep '^[       ]*#[    ]*include[      ]*"[^/]' ${LIB}/$file | sed -e 's/^[    ]*#[    ]*include[      ]*"\([^"]*\)".*$/\1/'`; do
+      dir=`echo $file | sed -e s'|/[^/]*$||'`
+      required="$required ${INPUT} $dir/$include ${LIB}/$dir/$include"
+    done
   fi
 fi
 
@@ -676,6 +808,12 @@ extern char *      sprintf();\
   rm -f ${LIB}/$file; mv ${LIB}/${file}.sed ${LIB}/$file
   if cmp $file ${LIB}/$file >/dev/null 2>&1; then
     rm ${LIB}/$file
+  else
+    # Find any include directives that use "file".
+    for include in `egrep '^[       ]*#[    ]*include[      ]*"[^/]' ${LIB}/$file | sed -e 's/^[    ]*#[    ]*include[      ]*"\([^"]*\)".*$/\1/'`; do
+      dir=`echo $file | sed -e s'|/[^/]*$||'`
+      required="$required ${INPUT} $dir/$include ${LIB}/$dir/$include"
+    done
   fi
 fi
 
@@ -694,6 +832,12 @@ if [ -r ${LIB}/$file ]; then
   rm -f ${LIB}/$file; mv ${LIB}/${file}.sed ${LIB}/$file
   if cmp $file ${LIB}/$file >/dev/null 2>&1; then
     rm -f ${LIB}/$file
+  else
+    # Find any include directives that use "file".
+    for include in `egrep '^[       ]*#[    ]*include[      ]*"[^/]' ${LIB}/$file | sed -e 's/^[    ]*#[    ]*include[      ]*"\([^"]*\)".*$/\1/'`; do
+      dir=`echo $file | sed -e s'|/[^/]*$||'`
+      required="$required ${INPUT} $dir/$include ${LIB}/$dir/$include"
+    done
   fi
 fi
 
@@ -718,6 +862,12 @@ if [ -r ${LIB}/$file ]; then
   rm -f ${LIB}/$file; mv ${LIB}/${file}.sed ${LIB}/$file
   if cmp $file ${LIB}/$file >/dev/null 2>&1; then
     rm -f ${LIB}/$file
+  else
+    # Find any include directives that use "file".
+    for include in `egrep '^[       ]*#[    ]*include[      ]*"[^/]' ${LIB}/$file | sed -e 's/^[    ]*#[    ]*include[      ]*"\([^"]*\)".*$/\1/'`; do
+      dir=`echo $file | sed -e s'|/[^/]*$||'`
+      required="$required ${INPUT} $dir/$include ${LIB}/$dir/$include"
+    done
   fi
 fi
 
@@ -736,6 +886,12 @@ if [ -r ${LIB}/$file ]; then
   rm -f ${LIB}/$file; mv ${LIB}/${file}.sed ${LIB}/$file
   if cmp $file ${LIB}/$file >/dev/null 2>&1; then
     rm -f ${LIB}/$file
+  else
+    # Find any include directives that use "file".
+    for include in `egrep '^[       ]*#[    ]*include[      ]*"[^/]' ${LIB}/$file | sed -e 's/^[    ]*#[    ]*include[      ]*"\([^"]*\)".*$/\1/'`; do
+      dir=`echo $file | sed -e s'|/[^/]*$||'`
+      required="$required ${INPUT} $dir/$include ${LIB}/$dir/$include"
+    done
   fi
 fi
 
@@ -752,10 +908,10 @@ if [ -r ${LIB}/$file ]; then
   echo Fixing $file
   sed -e 's/int        abort/void      abort/g' \
   -e 's/int    free/void       free/g' \
-  -e 's/char \*        calloc/void \*  calloc/g' \
-  -e 's/char \*        malloc/void \*  malloc/g' \
-  -e 's/char \*        realloc/void \* realloc/g' \
-  -e 's/int    exit/void       exit/g' \
+  -e 's/char[  ]*\*[   ]*calloc/void \*        calloc/g' \
+  -e 's/char[  ]*\*[   ]*malloc/void \*        malloc/g' \
+  -e 's/char[  ]*\*[   ]*realloc/void \*       realloc/g' \
+  -e 's/int[   ][      ]*exit/void     exit/g' \
   -e '/typedef[        a-zA-Z_]*[      ]size_t[        ]*;/i\
 #ifndef _GCC_SIZE_T\
 #define _GCC_SIZE_T
@@ -767,10 +923,17 @@ if [ -r ${LIB}/$file ]; then
   rm -f ${LIB}/$file; mv ${LIB}/${file}.sed ${LIB}/$file
   if cmp $file ${LIB}/$file >/dev/null 2>&1; then
     rm -f ${LIB}/$file
+  else
+    # Find any include directives that use "file".
+    for include in `egrep '^[       ]*#[    ]*include[      ]*"[^/]' ${LIB}/$file | sed -e 's/^[    ]*#[    ]*include[      ]*"\([^"]*\)".*$/\1/'`; do
+      dir=`echo $file | sed -e s'|/[^/]*$||'`
+      required="$required ${INPUT} $dir/$include ${LIB}/$dir/$include"
+    done
   fi
 fi
 
 # Fix return type of free and {c,m,re}alloc in <malloc.h> on SunOS 4.1.
+# Also fix return type of {m,re}alloc in <malloc.h> on sysV68
 file=malloc.h
 if [ -r $file ] && [ ! -r ${LIB}/$file ]; then
   cp $file ${LIB}/$file >/dev/null 2>&1 || echo "Can't copy $file"
@@ -782,10 +945,18 @@ if [ -r ${LIB}/$file ]; then
   echo Fixing $file
   sed -e 's/typedef[   ]char \*        malloc_t/typedef void \*        malloc_t/g' \
   -e 's/int[   ][      ]*free/void     free/g' \
+  -e 's/char\([        ]*\*[   ]*malloc\)/void\1/g' \
+  -e 's/char\([        ]*\*[   ]*realloc\)/void\1/g' \
   ${LIB}/$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 -f ${LIB}/$file
+  else
+    # Find any include directives that use "file".
+    for include in `egrep '^[       ]*#[    ]*include[      ]*"[^/]' ${LIB}/$file | sed -e 's/^[    ]*#[    ]*include[      ]*"\([^"]*\)".*$/\1/'`; do
+      dir=`echo $file | sed -e s'|/[^/]*$||'`
+      required="$required ${INPUT} $dir/$include ${LIB}/$dir/$include"
+    done
   fi
 fi
 
@@ -805,6 +976,12 @@ if [ -r ${LIB}/$file ]; then
   rm -f ${LIB}/$file; mv ${LIB}/${file}. ${LIB}/$file
   if cmp $file ${LIB}/$file >/dev/null 2>&1; then
     rm -f ${LIB}/$file
+  else
+    # Find any include directives that use "file".
+    for include in `egrep '^[       ]*#[    ]*include[      ]*"[^/]' ${LIB}/$file | sed -e 's/^[    ]*#[    ]*include[      ]*"\([^"]*\)".*$/\1/'`; do
+      dir=`echo $file | sed -e s'|/[^/]*$||'`
+      required="$required ${INPUT} $dir/$include ${LIB}/$dir/$include"
+    done
   fi
 fi
 
@@ -824,6 +1001,12 @@ if [ -r ${LIB}/$file ]; then
   rm -f ${LIB}/$file; mv ${LIB}/${file}.sed ${LIB}/$file
   if cmp $file ${LIB}/$file >/dev/null 2>&1; then
     rm -f ${LIB}/$file
+  else
+    # Find any include directives that use "file".
+    for include in `egrep '^[       ]*#[    ]*include[      ]*"[^/]' ${LIB}/$file | sed -e 's/^[    ]*#[    ]*include[      ]*"\([^"]*\)".*$/\1/'`; do
+      dir=`echo $file | sed -e s'|/[^/]*$||'`
+      required="$required ${INPUT} $dir/$include ${LIB}/$dir/$include"
+    done
   fi
 fi
 
@@ -843,6 +1026,12 @@ if [ -r ${LIB}/$file ]; then
   rm -f ${LIB}/$file; mv ${LIB}/${file}.sed ${LIB}/$file
   if cmp $file ${LIB}/$file >/dev/null 2>&1; then
     rm -f ${LIB}/$file
+  else
+    # Find any include directives that use "file".
+    for include in `egrep '^[       ]*#[    ]*include[      ]*"[^/]' ${LIB}/$file | sed -e 's/^[    ]*#[    ]*include[      ]*"\([^"]*\)".*$/\1/'`; do
+      dir=`echo $file | sed -e s'|/[^/]*$||'`
+      required="$required ${INPUT} $dir/$include ${LIB}/$dir/$include"
+    done
   fi
 fi
 
@@ -862,6 +1051,12 @@ if [ -r ${LIB}/$file ]; then
   rm -f ${LIB}/$file; mv ${LIB}/${file}. ${LIB}/$file
   if cmp $file ${LIB}/$file >/dev/null 2>&1; then
     rm -f ${LIB}/$file
+  else
+    # Find any include directives that use "file".
+    for include in `egrep '^[       ]*#[    ]*include[      ]*"[^/]' ${LIB}/$file | sed -e 's/^[    ]*#[    ]*include[      ]*"\([^"]*\)".*$/\1/'`; do
+      dir=`echo $file | sed -e s'|/[^/]*$||'`
+      required="$required ${INPUT} $dir/$include ${LIB}/$dir/$include"
+    done
   fi
 fi
 
@@ -882,6 +1077,12 @@ if [ -r ${LIB}/$file ]; then
   rm -f ${LIB}/$file; mv ${LIB}/${file}.sed ${LIB}/$file
   if cmp $file ${LIB}/$file >/dev/null 2>&1; then
     rm -f ${LIB}/$file
+  else
+    # Find any include directives that use "file".
+    for include in `egrep '^[       ]*#[    ]*include[      ]*"[^/]' ${LIB}/$file | sed -e 's/^[    ]*#[    ]*include[      ]*"\([^"]*\)".*$/\1/'`; do
+      dir=`echo $file | sed -e s'|/[^/]*$||'`
+      required="$required ${INPUT} $dir/$include ${LIB}/$dir/$include"
+    done
   fi
 fi
 
@@ -900,6 +1101,18 @@ if [ -r ${LIB}/$file ]; then
   fi
 fi
 
+# There is a similar problem with the VxWorks drv/netif/if_med.h file.
+file=drv/netif/if_med.h
+if [ -r ${LIB}/$file ]; then
+  if egrep 'Wind River' ${LIB}/$file > /dev/null; then
+    echo Fixing $file, overeager sed script
+    rm ${LIB}/$file
+    sed -e 's|//.*$||g' $file > ${LIB}/$file
+    chmod +w ${LIB}/$file 2>/dev/null
+    chmod a+r ${LIB}/$file 2>/dev/null
+  fi
+fi
+
 # Some IRIX header files contains the string "//"
 for file in elf_abi.h elf.h; do
   if [ -r ${LIB}/$file ]; then
@@ -908,6 +1121,12 @@ for file in elf_abi.h elf.h; do
     rm -f ${LIB}/$file; mv ${LIB}/${file}.sed ${LIB}/$file
     if cmp $file ${LIB}/$file >/dev/null 2>&1; then
       rm -f ${LIB}/$file
+  else
+    # Find any include directives that use "file".
+    for include in `egrep '^[       ]*#[    ]*include[      ]*"[^/]' ${LIB}/$file | sed -e 's/^[    ]*#[    ]*include[      ]*"\([^"]*\)".*$/\1/'`; do
+      dir=`echo $file | sed -e s'|/[^/]*$||'`
+      required="$required ${INPUT} $dir/$include ${LIB}/$dir/$include"
+    done
     fi
   fi
 done
@@ -931,6 +1150,12 @@ struct sockaddr;
   rm -f ${LIB}/$file; mv ${LIB}/${file}.sed ${LIB}/$file
   if cmp $file ${LIB}/$file >/dev/null 2>&1; then
     rm -f ${LIB}/$file
+  else
+    # Find any include directives that use "file".
+    for include in `egrep '^[       ]*#[    ]*include[      ]*"[^/]' ${LIB}/$file | sed -e 's/^[    ]*#[    ]*include[      ]*"\([^"]*\)".*$/\1/'`; do
+      dir=`echo $file | sed -e s'|/[^/]*$||'`
+      required="$required ${INPUT} $dir/$include ${LIB}/$dir/$include"
+    done
   fi
 fi
 
@@ -953,6 +1178,12 @@ struct __file_s;
   rm -f ${LIB}/$file; mv ${LIB}/${file}.sed ${LIB}/$file
   if cmp $file ${LIB}/$file >/dev/null 2>&1; then
     rm -f ${LIB}/$file
+  else
+    # Find any include directives that use "file".
+    for include in `egrep '^[       ]*#[    ]*include[      ]*"[^/]' ${LIB}/$file | sed -e 's/^[    ]*#[    ]*include[      ]*"\([^"]*\)".*$/\1/'`; do
+      dir=`echo $file | sed -e s'|/[^/]*$||'`
+      required="$required ${INPUT} $dir/$include ${LIB}/$dir/$include"
+    done
   fi
 fi
 
@@ -971,8 +1202,9 @@ fi
 # declaration on Sun OS 4.x.  We must only fix this on Sun OS 4.x, because
 # many other systems have similar text but correct versions of the file.
 # To ensure only Sun's is fixed, we grep for a likely unique string.
+# Fix also on sysV68 R3V7.1 (head/memory.h\t50.1\t )
 file=memory.h
-if [ -r $file ] && egrep '/\*  @\(#\)memory\.h 1\.[2-4] 8./../.. SMI; from S5R2 1\.2   \*/' $file > /dev/null; then
+if [ -r $file ] && egrep '/\*  @\(#\)(head/memory.h    50.1     |memory\.h 1\.[2-4] 8./../.. SMI; from S5R2 1\.2       )\*/' $file > /dev/null; then
   if [ ! -r ${LIB}/$file ]; then
     cp $file ${LIB}/$file >/dev/null 2>&1 || echo "Can't copy $file"
     chmod +w ${LIB}/$file 2>/dev/null
@@ -1004,7 +1236,32 @@ EOF
   fi
 fi
 
-# parameters not const on DECstation Ultrix V4.0.
+# Fix return type of fread and fwrite on sysV68
+file=stdio.h
+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 $file, fread and fwrite return type
+  sed -e 's/^\(extern int      fclose(), fflush()\), \(fread(), fwrite()\)\(.*\)$/extern unsigned int  \2;\
+\1\3/' \
+    ${LIB}/$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 -f ${LIB}/$file
+  else
+    # Find any include directives that use "file".
+    for include in `egrep '^[       ]*#[    ]*include[      ]*"[^/]' ${LIB}/$file | sed -e 's/^[    ]*#[    ]*include[      ]*"\([^"]*\)".*$/\1/'`; do
+      dir=`echo $file | sed -e s'|/[^/]*$||'`
+      required="$required ${INPUT} $dir/$include ${LIB}/$dir/$include"
+    done
+  fi
+fi
+
+# parameters not const on DECstation Ultrix V4.0 and OSF/1.
 file=stdio.h
 if [ -r $file ] && [ ! -r ${LIB}/$file ]; then
   cp $file ${LIB}/$file >/dev/null 2>&1 || echo "Can't copy $file"
@@ -1021,10 +1278,18 @@ if [ -r ${LIB}/$file ]; then
       -e 's@fscanf( FILE \*__stream, char \*__format,@fscanf( FILE *__stream, const char *__format,@' \
       -e 's@scanf( char \*__format,@scanf( const char *__format,@' \
       -e 's@sscanf( char \*__s, char \*__format,@sscanf( const char *__s, const char *__format,@' \
+      -e 's@popen(char \*, char \*);@popen(const char *, const char *);@' \
+      -e 's@tempnam(char\*,char\*);@tempnam(const char*,const char*);@' \
     ${LIB}/$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 -f ${LIB}/$file
+  else
+    # Find any include directives that use "file".
+    for include in `egrep '^[       ]*#[    ]*include[      ]*"[^/]' ${LIB}/$file | sed -e 's/^[    ]*#[    ]*include[      ]*"\([^"]*\)".*$/\1/'`; do
+      dir=`echo $file | sed -e s'|/[^/]*$||'`
+      required="$required ${INPUT} $dir/$include ${LIB}/$dir/$include"
+    done
   fi
 fi
 
@@ -1042,6 +1307,12 @@ for file in stdio.h unistd.h ; do
     rm -f ${LIB}/$file; mv ${LIB}/${file}.sed ${LIB}/$file
     if cmp $file ${LIB}/$file >/dev/null 2>&1; then
       rm -f ${LIB}/$file
+    else
+      # Find any include directives that use "file".
+      for include in `egrep '^[       ]*#[    ]*include[      ]*"[^/]' ${LIB}/$file | sed -e 's/^[    ]*#[    ]*include[      ]*"\([^"]*\)".*$/\1/'`; do
+        dir=`echo $file | sed -e s'|/[^/]*$||'`
+        required="$required ${INPUT} $dir/$include ${LIB}/$dir/$include"
+      done
     fi
   fi
 done
@@ -1055,7 +1326,7 @@ if [ -r $file ] && [ ! -r ${LIB}/$file ]; then
 fi
 
 if [ -r ${LIB}/$file ]; then
-  if grep 'class[(]' ${LIB}/$file >/dev/null; then
+  if grep '[^a-zA-Z_]class[(]' ${LIB}/$file >/dev/null; then
     echo Fixing $file
     sed -e '/class[(]/i\
 #ifndef __cplusplus
@@ -1066,6 +1337,12 @@ if [ -r ${LIB}/$file ]; then
     rm -f ${LIB}/$file; mv ${LIB}/${file}.sed ${LIB}/$file
     if cmp $file ${LIB}/$file >/dev/null 2>&1; then
       rm ${LIB}/$file
+    else
+      # Find any include directives that use "file".
+      for include in `egrep '^[       ]*#[    ]*include[      ]*"[^/]' ${LIB}/$file | sed -e 's/^[    ]*#[    ]*include[      ]*"\([^"]*\)".*$/\1/'`; do
+        dir=`echo $file | sed -e s'|/[^/]*$||'`
+        required="$required ${INPUT} $dir/$include ${LIB}/$dir/$include"
+      done
     fi
   fi
 fi
@@ -1086,6 +1363,12 @@ if [ -r ${LIB}/$file ]; then
   rm -f ${LIB}/$file; mv ${LIB}/${file}.sed ${LIB}/$file
   if cmp $file ${LIB}/$file >/dev/null 2>&1; then
     rm -f ${LIB}/$file
+  else
+    # Find any include directives that use "file".
+    for include in `egrep '^[       ]*#[    ]*include[      ]*"[^/]' ${LIB}/$file | sed -e 's/^[    ]*#[    ]*include[      ]*"\([^"]*\)".*$/\1/'`; do
+      dir=`echo $file | sed -e s'|/[^/]*$||'`
+      required="$required ${INPUT} $dir/$include ${LIB}/$dir/$include"
+    done
   fi
 fi
 
@@ -1120,6 +1403,12 @@ if [ -r ${LIB}/$file ]; then
   fi
   if cmp $file ${LIB}/$file >/dev/null 2>&1; then
     rm -f ${LIB}/$file
+  else
+    # Find any include directives that use "file".
+    for include in `egrep '^[       ]*#[    ]*include[      ]*"[^/]' ${LIB}/$file | sed -e 's/^[    ]*#[    ]*include[      ]*"\([^"]*\)".*$/\1/'`; do
+      dir=`echo $file | sed -e s'|/[^/]*$||'`
+      required="$required ${INPUT} $dir/$include ${LIB}/$dir/$include"
+    done
   fi
 fi
 # new in Xm/Traversal.h
@@ -1149,6 +1438,12 @@ if [ -r ${LIB}/$file ]; then
   fi
   if cmp $file ${LIB}/$file >/dev/null 2>&1; then
     rm -f ${LIB}/$file
+  else
+    # Find any include directives that use "file".
+    for include in `egrep '^[       ]*#[    ]*include[      ]*"[^/]' ${LIB}/$file | sed -e 's/^[    ]*#[    ]*include[      ]*"\([^"]*\)".*$/\1/'`; do
+      dir=`echo $file | sed -e s'|/[^/]*$||'`
+      required="$required ${INPUT} $dir/$include ${LIB}/$dir/$include"
+    done
   fi
 fi
 # class in Xm/BaseClassI.h
@@ -1170,9 +1465,116 @@ if [ -r ${LIB}/$file ]; then
   fi
   if cmp $file ${LIB}/$file >/dev/null 2>&1; then
     rm -f ${LIB}/$file
+  else
+    # Find any include directives that use "file".
+    for include in `egrep '^[       ]*#[    ]*include[      ]*"[^/]' ${LIB}/$file | sed -e 's/^[    ]*#[    ]*include[      ]*"\([^"]*\)".*$/\1/'`; do
+      dir=`echo $file | sed -e s'|/[^/]*$||'`
+      required="$required ${INPUT} $dir/$include ${LIB}/$dir/$include"
+    done
+  fi
+fi
+
+# NeXT 3.2 adds const prefix to some math functions. These conflict
+# with the built-in functions.
+file=ansi/math.h
+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
+fi
+if [ -r ${LIB}/$file ]; then
+  echo Fixing $file
+  sed -e '/^extern.*double.*__const__.*sqrt(/s/__const__//' \
+      -e '/^extern.*double.*__const__.*fabs(/s/__const__//' \
+      -e '/^extern.*double.*__const__.*cos(/s/__const__//' \
+      -e '/^extern.*double.*__const__.*sin(/s/__const__//' ${LIB}/$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 -f ${LIB}/$file
+  else
+    # Find any include directives that use "file".
+    for include in `egrep '^[       ]*#[    ]*include[      ]*"[^/]' ${LIB}/$file | sed -e 's/^[    ]*#[    ]*include[      ]*"\([^"]*\)".*$/\1/'`; do
+      dir=`echo $file | sed -e s'|/[^/]*$||'`
+      required="$required ${INPUT} $dir/$include ${LIB}/$dir/$include"
+    done
+  fi
+fi
+
+# NeXT 3.2 uses the word "template" as a parameter for some 
+# functions. GCC reports an invalid use of a reserved key word
+# with the built-in functions. NeXT 3.2 includes the keyword
+# volatile in the prototype for abort(). This conflicts with
+# the built-in definition.
+file=bsd/libc.h
+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
+fi
+if [ -r ${LIB}/$file ]; then
+  echo Fixing $file
+  sed -e '/\(.*template\)/s/template//' \
+      -e '/extern.*volatile.*void.*abort/s/volatile//' ${LIB}/$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 -f ${LIB}/$file
+  else
+    # Find any include directives that use "file".
+    for include in `egrep '^[       ]*#[    ]*include[      ]*"[^/]' ${LIB}/$file | sed -e 's/^[    ]*#[    ]*include[      ]*"\([^"]*\)".*$/\1/'`; do
+      dir=`echo $file | sed -e s'|/[^/]*$||'`
+      required="$required ${INPUT} $dir/$include ${LIB}/$dir/$include"
+    done
+  fi
+fi
+
+# NeXT 3.2 includes the keyword volatile in the abort() and 
+# exit() function prototypes. That conflicts with the 
+# built-in functions.
+file=ansi/stdlib.h
+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
+fi
+if [ -r ${LIB}/$file ]; then
+  echo Fixing $file
+  sed -e '/extern.*volatile.*void.*exit/s/volatile//' \
+      -e '/extern.*volatile.*void.*abort/s/volatile//' ${LIB}/$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 -f ${LIB}/$file
+  else
+    # Find any include directives that use "file".
+    for include in `egrep '^[       ]*#[    ]*include[      ]*"[^/]' ${LIB}/$file | sed -e 's/^[    ]*#[    ]*include[      ]*"\([^"]*\)".*$/\1/'`; do
+      dir=`echo $file | sed -e s'|/[^/]*$||'`
+      required="$required ${INPUT} $dir/$include ${LIB}/$dir/$include"
+    done
   fi
 fi
 
+# sys/wait.h on AIX 3.2.5 puts the declaration of wait3 before the definition
+# of struct rusage, so the prototype (added by fixproto) causes havoc.
+file=sys/wait.h
+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
+fi
+
+if [ -r ${LIB}/$file ] \
+  && grep 'bos325,' ${LIB}/$file >/dev/null; then
+  echo Fixing $file, wait3 declaration
+  sed -e '/^extern pid_t wait3();$/i\
+struct rusage;
+'\
+    ${LIB}/$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 -f ${LIB}/$file
+  else
+    # Find any include directives that use "file".
+    for include in `egrep '^[       ]*#[    ]*include[      ]*"[^/]' ${LIB}/$file | sed -e 's/^[    ]*#[    ]*include[      ]*"\([^"]*\)".*$/\1/'`; do
+      dir=`echo $file | sed -e s'|/[^/]*$||'`
+      required="$required ${INPUT} $dir/$include ${LIB}/$dir/$include"
+    done
+  fi
+fi
 
 # NeXT 2.0 defines 'int wait(union wait*)', which conflicts with Posix.1.
 # Note that version 3 of the NeXT system has wait.h in a different directory,
@@ -1191,6 +1593,12 @@ if [ -r ${LIB}/$file ] \
   rm -f ${LIB}/$file; mv ${LIB}/${file}.sed ${LIB}/$file
   if cmp $file ${LIB}/$file >/dev/null 2>&1; then
     rm -f ${LIB}/$file
+  else
+    # Find any include directives that use "file".
+    for include in `egrep '^[       ]*#[    ]*include[      ]*"[^/]' ${LIB}/$file | sed -e 's/^[    ]*#[    ]*include[      ]*"\([^"]*\)".*$/\1/'`; do
+      dir=`echo $file | sed -e s'|/[^/]*$||'`
+      required="$required ${INPUT} $dir/$include ${LIB}/$dir/$include"
+    done
   fi
 fi
 
@@ -1206,8 +1614,12 @@ fi
 if [ -r ${LIB}/$file ]; then
   echo Fixing $file, use of va_list
   # Arrange for stdio.h to use stdarg.h to define __gnuc_va_list
-  (echo "#define __need___va_list"
-   echo "#include <stdarg.h>") > ${LIB}/${file}.sed
+  if egrep "__need___va_list" ${LIB}/$file >/dev/null 2>&1; then
+    touch ${LIB}/${file}.sed
+  else
+    (echo "#define __need___va_list"
+     echo "#include <stdarg.h>") > ${LIB}/${file}.sed
+  fi
   # Use __gnuc_va_list in arg types in place of va_list.
   # On 386BSD use __gnuc_va_list instead of _VA_LIST_. We're hoping the
   # trailing parentheses and semicolon save all other systems from this.
@@ -1215,18 +1627,26 @@ if [ -r ${LIB}/$file ]; then
   # Don't claim to have defined va_list.
   sed -e 's@ va_list @ __gnuc_va_list @' \
       -e 's@ va_list)@ __gnuc_va_list)@' \
+      -e 's@ _BSD_VA_LIST_));@ __gnuc_va_list));@' \
       -e 's@ _VA_LIST_));@ __gnuc_va_list));@' \
       -e 's@ va_list@ __va_list__@' \
       -e 's@\*va_list@*__va_list__@' \
       -e 's@ __va_list)@ __gnuc_va_list)@' \
+      -e 's@GNUC_VA_LIST@GNUC_Va_LIST@' \
       -e 's@_NEED___VA_LIST@_NEED___Va_LIST@' \
       -e 's@VA_LIST@DUMMY_VA_LIST@' \
-      -e 's@_NEED___Va_LIST@_NEED___VA_LIST@' \
+      -e 's@_Va_LIST@_VA_LIST@' \
     ${LIB}/$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 -f ${LIB}/$file
+  else
+    # Find any include directives that use "file".
+    for include in `egrep '^[       ]*#[    ]*include[      ]*"[^/]' ${LIB}/$file | sed -e 's/^[    ]*#[    ]*include[      ]*"\([^"]*\)".*$/\1/'`; do
+      dir=`echo $file | sed -e s'|/[^/]*$||'`
+      required="$required ${INPUT} $dir/$include ${LIB}/$dir/$include"
+    done
   fi
 fi
 
@@ -1238,7 +1658,7 @@ if [ -r $file ] && [ ! -r ${LIB}/$file ]; then
   fi
 fi
 
-# parameter to atof not const on DECstation Ultrix V4.0.
+# parameter to atof not const on DECstation Ultrix V4.0 and NEWS-OS 4.2R.
 # also get rid of bogus inline definitions in HP-UX 8.0
 file=math.h
 if [ -r $file ] && [ ! -r ${LIB}/$file ]; then
@@ -1249,8 +1669,8 @@ fi
 
 if [ -r ${LIB}/$file ]; then
   echo Fixing $file, non-const arg
-  sed -e 's@atof( char \*__nptr );@atof( const char *__nptr );@' \
-      -e 's@inline int abs(int [a-z][a-z]*) {.*}@@' \
+  sed -e 's@atof(\([   ]*char[         ]*\*[^)]*\))@atof(const \1)@' \
+      -e 's@inline int abs(int [a-z][a-z]*) {.*}@extern "C" int abs(int);@' \
       -e 's@inline double abs(double [a-z][a-z]*) {.*}@@' \
       -e 's@inline int sqr(int [a-z][a-z]*) {.*}@@' \
       -e 's@inline double sqr(double [a-z][a-z]*) {.*}@@' \
@@ -1258,6 +1678,41 @@ if [ -r ${LIB}/$file ]; then
   rm -f ${LIB}/$file; mv ${LIB}/${file}.sed ${LIB}/$file
   if cmp $file ${LIB}/$file >/dev/null 2>&1; then
     rm -f ${LIB}/$file
+  else
+    # Find any include directives that use "file".
+    for include in `egrep '^[       ]*#[    ]*include[      ]*"[^/]' ${LIB}/$file | sed -e 's/^[    ]*#[    ]*include[      ]*"\([^"]*\)".*$/\1/'`; do
+      dir=`echo $file | sed -e s'|/[^/]*$||'`
+      required="$required ${INPUT} $dir/$include ${LIB}/$dir/$include"
+    done
+  fi
+fi
+
+# fix bogus recursive stdlib.h in NEWS-OS 4.0C
+file=stdlib.h
+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 $file, recursive inclusion
+  sed -e '/^#include <stdlib.h>/i\
+#if 0
+' \
+      -e '/^#include <stdlib.h>/a\
+#endif
+' \
+    ${LIB}/$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 -f ${LIB}/$file
+  else
+    # Find any include directives that use "file".
+    for include in `egrep '^[       ]*#[    ]*include[      ]*"[^/]' ${LIB}/$file | sed -e 's/^[    ]*#[    ]*include[      ]*"\([^"]*\)".*$/\1/'`; do
+      dir=`echo $file | sed -e s'|/[^/]*$||'`
+      required="$required ${INPUT} $dir/$include ${LIB}/$dir/$include"
+    done
   fi
 fi
 
@@ -1277,6 +1732,12 @@ if [ -r ${LIB}/$file ]; then
   rm -f ${LIB}/$file; mv ${LIB}/${file}.sed ${LIB}/$file
   if cmp $file ${LIB}/$file >/dev/null 2>&1; then
     rm -f ${LIB}/$file
+  else
+    # Find any include directives that use "file".
+    for include in `egrep '^[       ]*#[    ]*include[      ]*"[^/]' ${LIB}/$file | sed -e 's/^[    ]*#[    ]*include[      ]*"\([^"]*\)".*$/\1/'`; do
+      dir=`echo $file | sed -e s'|/[^/]*$||'`
+      required="$required ${INPUT} $dir/$include ${LIB}/$dir/$include"
+    done
   fi
 fi
 
@@ -1292,6 +1753,12 @@ if [ -r ${LIB}/$file ]; then
   rm -f ${LIB}/$file; mv ${LIB}/${file}.sed ${LIB}/$file
   if cmp $file ${LIB}/$file >/dev/null 2>&1; then
     rm -f ${LIB}/$file
+  else
+    # Find any include directives that use "file".
+    for include in `egrep '^[       ]*#[    ]*include[      ]*"[^/]' ${LIB}/$file | sed -e 's/^[    ]*#[    ]*include[      ]*"\([^"]*\)".*$/\1/'`; do
+      dir=`echo $file | sed -e s'|/[^/]*$||'`
+      required="$required ${INPUT} $dir/$include ${LIB}/$dir/$include"
+    done
   fi
 fi
 
@@ -1310,6 +1777,46 @@ if [ -r ${LIB}/$file ]; then
   rm -f ${LIB}/$file; mv ${LIB}/${file}.sed ${LIB}/$file
   if cmp $file ${LIB}/$file >/dev/null 2>&1; then
     rm -f ${LIB}/$file
+  else
+    # Find any include directives that use "file".
+    for include in `egrep '^[       ]*#[    ]*include[      ]*"[^/]' ${LIB}/$file | sed -e 's/^[    ]*#[    ]*include[      ]*"\([^"]*\)".*$/\1/'`; do
+      dir=`echo $file | sed -e s'|/[^/]*$||'`
+      required="$required ${INPUT} $dir/$include ${LIB}/$dir/$include"
+    done
+  fi
+fi
+
+# rpc/types.h on OSF1/2.0 is not C++ ready, even though NO_IMPLICIT_EXTERN_C
+# is defined for the alpha.  The problem is the declaration of malloc.
+file=rpc/types.h
+if [ -r $file ] && [ ! -r ${LIB}/$file ]; then
+  mkdir ${LIB}/rpc 2>/dev/null
+  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
+  if egrep '"C"' ${LIB}/$file >/dev/null 2>&1; then
+    true
+  else
+    echo Fixing $file
+    echo '#ifdef __cplusplus
+extern "C" {
+#endif' > ${LIB}/${file}.sed
+    cat ${LIB}/${file} >> ${LIB}/${file}.sed
+    echo '#ifdef __cplusplus
+}
+#endif' >> ${LIB}/${file}.sed 
+    rm -f ${LIB}/$file; mv ${LIB}/${file}.sed ${LIB}/$file
+    if cmp $file ${LIB}/$file >/dev/null 2>&1; then
+      rm -f ${LIB}/$file
+    else
+      # Find any include directives that use "file".
+      for include in `egrep '^[       ]*#[    ]*include[      ]*"[^/]' ${LIB}/$file | sed -e 's/^[    ]*#[    ]*include[      ]*"\([^"]*\)".*$/\1/'`; do
+        dir=`echo $file | sed -e s'|/[^/]*$||'`
+        required="$required ${INPUT} $dir/$include ${LIB}/$dir/$include"
+      done
+    fi
   fi
 fi
 
@@ -1375,6 +1882,12 @@ for file in limits.h sys/limits.h; do
     if cmp $file ${LIB}/$file >/dev/null 2>&1; then
       echo Deleting ${LIB}/$file\; no fixes were needed.
       rm -f ${LIB}/$file
+    else
+      # Find any include directives that use "file".
+      for include in `egrep '^[       ]*#[    ]*include[      ]*"[^/]' ${LIB}/$file | sed -e 's/^[    ]*#[    ]*include[      ]*"\([^"]*\)".*$/\1/'`; do
+        dir=`echo $file | sed -e s'|/[^/]*$||'`
+        required="$required ${INPUT} $dir/$include ${LIB}/$dir/$include"
+      done
     fi
   fi
 done
@@ -1398,9 +1911,32 @@ if [ -r ${LIB}/$file ]; then
 '\
     ${LIB}/$file > ${LIB}/${file}.sed
   rm -f ${LIB}/$file; mv ${LIB}/${file}.sed ${LIB}/$file
-  if cmp $file ${LIB}/$file >/dev/null 2>&1; then
-    echo Deleting ${LIB}/$file\; no fixes were needed.
-    rm -f ${LIB}/$file
+
+  # In addition, copy the definition of DBL_MAX from float.h
+  # if math.h requires one.  The Lynx math.h requires it.
+  if egrep '#define[   ]*HUGE_VAL[     ]+DBL_MAX' $file >/dev/null 2>&1; then
+    if egrep '#define[         ]+DBL_MAX[      ]+' $file >/dev/null 2>&1; then
+      true;
+    else
+      dbl_max_def=`egrep 'define[      ]+DBL_MAX[      ]+.*' float.h 2>/dev/null`
+      if [ "$dbl_max_def" != "" ]; then
+        dbl_max_def=`echo $dbl_max_def | sed 's/.*define[      ]*DBL_MAX[      ]*//'`
+        sed -e "/define[       ]HUGE_VAL[      ]DBL_MAX/s/DBL_MAX/$dbl_max_def/" \
+          ${LIB}/$file > ${LIB}/${file}.sed
+       rm -f ${LIB}/$file; mv ${LIB}/${file}.sed ${LIB}/$file
+      fi
+    fi
+  fi
+
+  if cmp $file ${LIB}/$file >/dev/null 2>&1; then
+    echo Deleting ${LIB}/$file\; no fixes were needed.
+    rm -f ${LIB}/$file
+  else
+    # Find any include directives that use "file".
+    for include in `egrep '^[       ]*#[    ]*include[      ]*"[^/]' ${LIB}/$file | sed -e 's/^[    ]*#[    ]*include[      ]*"\([^"]*\)".*$/\1/'`; do
+      dir=`echo $file | sed -e s'|/[^/]*$||'`
+      required="$required ${INPUT} $dir/$include ${LIB}/$dir/$include"
+    done
   fi
 fi
 
@@ -1419,9 +1955,160 @@ if [ -r ${LIB}/$file ]; then
   rm -f ${LIB}/$file; mv ${LIB}/${file}.sed ${LIB}/$file
   if cmp $file ${LIB}/$file >/dev/null 2>&1; then
     rm -f ${LIB}/$file
+  else
+    # Find any include directives that use "file".
+    for include in `egrep '^[       ]*#[    ]*include[      ]*"[^/]' ${LIB}/$file | sed -e 's/^[    ]*#[    ]*include[      ]*"\([^"]*\)".*$/\1/'`; do
+      dir=`echo $file | sed -e s'|/[^/]*$||'`
+      required="$required ${INPUT} $dir/$include ${LIB}/$dir/$include"
+    done
+  fi
+fi
+
+# Fix return value of mem{ccpy,chr,cpy,set} and str{len,spn,cspn}
+# in string.h on sysV68
+# Correct the return type for strlen in string.h on Lynx.
+# Correct the argument type for ffs in string.h on Alpha OSF/1 V2.0.
+# Add missing const for strdup on OSF/1 V3.0.
+file=string.h
+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 $file, mem{ccpy,chr,cpy,set} and str{len,spn,cspn} return value
+  sed -e 's/extern[    ]*int[  ]*strlen();/extern unsigned int strlen();/' \
+      -e 's/extern[    ]*int[  ]*ffs[  ]*(long);/extern int ffs(int);/' \
+      -e 's/strdup(char \*s1);/strdup(const char *s1);/' \
+      -e '/^extern char$/N' \
+      -e 's/^extern char\(\n   \*memccpy(),\)$/extern void\1/'\
+      -e '/^   strncmp(),$/N'\
+      -e 's/^\(        strncmp()\),\n\(        strlen(),\)$/\1;\
+extern unsigned int\
+\2/'\
+    ${LIB}/$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 -f ${LIB}/$file
+  else
+    # Find any include directives that use "file".
+    for include in `egrep '^[       ]*#[    ]*include[      ]*"[^/]' ${LIB}/$file | sed -e 's/^[    ]*#[    ]*include[      ]*"\([^"]*\)".*$/\1/'`; do
+      dir=`echo $file | sed -e s'|/[^/]*$||'`
+      required="$required ${INPUT} $dir/$include ${LIB}/$dir/$include"
+    done
+  fi
+fi
+
+# Correct the return type for strlen in strings.h in SunOS 4.
+file=strings.h
+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 $file
+  sed -e 's/int[       ]*strlen();/__SIZE_TYPE__ strlen();/' \
+    ${LIB}/$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 -f ${LIB}/$file
+  else
+    # Find any include directives that use "file".
+    for include in `egrep '^[       ]*#[    ]*include[      ]*"[^/]' ${LIB}/$file | sed -e 's/^[    ]*#[    ]*include[      ]*"\([^"]*\)".*$/\1/'`; do
+      dir=`echo $file | sed -e s'|/[^/]*$||'`
+      required="$required ${INPUT} $dir/$include ${LIB}/$dir/$include"
+    done
+  fi
+fi
+
+# Delete the '#define void int' line from curses.h on Lynx
+file=curses.h
+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 $file
+  sed -e '/#[  ]*define[       ][      ]*void[         ]int/d' \
+     ${LIB}/$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 -f ${LIB}/$file
+  else
+    # Find any include directives that use "file".
+    for include in `egrep '^[       ]*#[    ]*include[      ]*"[^/]' ${LIB}/$file | sed -e 's/^[    ]*#[    ]*include[      ]*"\([^"]*\)".*$/\1/'`; do
+      dir=`echo $file | sed -e s'|/[^/]*$||'`
+      required="$required ${INPUT} $dir/$include ${LIB}/$dir/$include"
+    done
+  fi
+fi
+
+# Fix `typedef struct term;' on hppa1.1-hp-hpux9.
+file=curses.h
+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 $file
+  sed -e 's/^[         ]*typedef[      ][      ]*\(struct[     ][      ]*term[         ]*;[    ]*\)$/\1/' \
+     ${LIB}/$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 -f ${LIB}/$file
+  else
+    # Find any include directives that use "file".
+    for include in `egrep '^[       ]*#[    ]*include[      ]*"[^/]' ${LIB}/$file | sed -e 's/^[    ]*#[    ]*include[      ]*"\([^"]*\)".*$/\1/'`; do
+      dir=`echo $file | sed -e s'|/[^/]*$||'`
+      required="$required ${INPUT} $dir/$include ${LIB}/$dir/$include"
+    done
   fi
 fi
 
+# For C++, avoid any typedef or macro definition of bool, and use the
+# built in type instead.
+for files in curses.h; do
+  if [ -r $file ] && egrep bool $file >/dev/null 2>&1; then
+    if [ ! -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
+
+    echo Fixing $file
+    sed -e '/^#[       ]*define[       ][      ]*bool[         ][      ]*char[         ]*$/i\
+#ifndef __cplusplus
+'\
+       -e '/^#[        ]*define[       ][      ]*bool[         ][      ]*char[         ]*$/a\
+#endif
+'\
+       -e '/^typedef[  ][      ]*char[         ][      ]*bool[         ]*;/i\
+#ifndef __cplusplus
+'\
+       -e '/^typedef[  ][      ]*char[         ][      ]*bool[         ]*;/a\
+#endif
+'\
+       ${LIB}/$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 -f ${LIB}/$file
+    else
+      # Find any include directives that use "file".
+      for include in `egrep '^[       ]*#[    ]*include[      ]*"[^/]' ${LIB}/$file | sed -e 's/^[    ]*#[    ]*include[      ]*"\([^"]*\)".*$/\1/'`; do
+        dir=`echo $file | sed -e s'|/[^/]*$||'`
+        required="$required ${INPUT} $dir/$include ${LIB}/$dir/$include"
+      done
+    fi
+  fi
+done
+
 # Fix incorrect S_IF* definitions on m88k-sysv3.
 file=sys/stat.h
 if [ -r $file ] && [ ! -r ${LIB}/$file ]; then
@@ -1438,10 +2125,16 @@ if [ -r ${LIB}/$file ]; then
   rm -f ${LIB}/$file; mv ${LIB}/${file}.sed ${LIB}/$file
   if cmp $file ${LIB}/$file >/dev/null 2>&1; then
     rm -f ${LIB}/$file
+  else
+    # Find any include directives that use "file".
+    for include in `egrep '^[       ]*#[    ]*include[      ]*"[^/]' ${LIB}/$file | sed -e 's/^[    ]*#[    ]*include[      ]*"\([^"]*\)".*$/\1/'`; do
+      dir=`echo $file | sed -e s'|/[^/]*$||'`
+      required="$required ${INPUT} $dir/$include ${LIB}/$dir/$include"
+    done
   fi
 fi
 
-# Fix getopt declarations in stdio.h and stdlib.h on Alpha OSF/1.
+# Fix getopt declarations in stdio.h and stdlib.h on Alpha OSF/1 and AIX.
 for file in stdio.h stdlib.h; do
   if [ -r $file ] && [ ! -r ${LIB}/$file ]; then
     cp $file ${LIB}/$file >/dev/null 2>&1 || echo "Can't copy $file"
@@ -1451,26 +2144,47 @@ for file in stdio.h stdlib.h; do
 
   if [ -r ${LIB}/$file ]; then
     echo Fixing $file, getopt declaration
-    sed -e 's/getopt(int, char \*\[\],char \*)/getopt(int, char *const[], const char *)/' \
+    sed -e 's/getopt(int, char \*\[\],[ ]*char \*)/getopt(int, char *const[], const char *)/' \
       ${LIB}/$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 -f ${LIB}/$file
+    else
+      # Find any include directives that use "file".
+      for include in `egrep '^[       ]*#[    ]*include[      ]*"[^/]' ${LIB}/$file | sed -e 's/^[    ]*#[    ]*include[      ]*"\([^"]*\)".*$/\1/'`; do
+        dir=`echo $file | sed -e s'|/[^/]*$||'`
+        required="$required ${INPUT} $dir/$include ${LIB}/$dir/$include"
+      done
     fi
   fi
 done
 
-# These two files on SunOS 4 are included by other files
-# in the same directory, using "...".  So we must make sure they exist
-# in the same directory as the other fixed files.
-if [ -r ${INPUT}/multimedia/audio_errno.h ]
-then
-  ln -s ${INPUT}/multimedia/audio_errno.h ${LIB}/multimedia 2>/dev/null
-fi
-if [ -r ${INPUT}/multimedia/audio_hdr.h ]
-then
-  ln -s ${INPUT}/multimedia/audio_hdr.h ${LIB}/multimedia 2>/dev/null
-fi
+# Fix __page_size* declarations in pthread.h AIX 4.1.[34].
+# The original ones fail if uninitialized externs are not common.
+# This is the default for all ANSI standard C++ compilers.
+for file in pthread.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 $file, __page_size* declarations
+    sed -e 's/^int __page_size/extern int __page_size/' \
+      ${LIB}/$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 -f ${LIB}/$file
+    else
+      # Find any include directives that use "file".
+      for include in `egrep '^[       ]*#[    ]*include[      ]*"[^/]' ${LIB}/$file | sed -e 's/^[    ]*#[    ]*include[      ]*"\([^"]*\)".*$/\1/'`; do
+        dir=`echo $file | sed -e s'|/[^/]*$||'`
+        required="$required ${INPUT} $dir/$include ${LIB}/$dir/$include"
+      done
+    fi
+  fi
+done
 
 # Determine if we're on Interactive Unix 2.2 or later, in which case we
 # need to fix some additional files.  This is the same test for ISC that
@@ -1523,6 +2237,12 @@ do
     rm -f ${LIB}/$file; mv ${LIB}/${file}.sed ${LIB}/$file
     if cmp $file ${LIB}/$file >/dev/null 2>&1; then
       rm -f ${LIB}/$file
+    else
+      # Find any include directives that use "file".
+      for include in `egrep '^[       ]*#[    ]*include[      ]*"[^/]' ${LIB}/$file | sed -e 's/^[    ]*#[    ]*include[      ]*"\([^"]*\)".*$/\1/'`; do
+        dir=`echo $file | sed -e s'|/[^/]*$||'`
+        required="$required ${INPUT} $dir/$include ${LIB}/$dir/$include"
+      done
     fi
   fi
 done
@@ -1542,10 +2262,143 @@ do
     rm -f ${LIB}/$file; mv ${LIB}/${file}.sed ${LIB}/$file
     if cmp $file ${LIB}/$file >/dev/null 2>&1; then
       rm -f ${LIB}/$file
+  else
+    # Find any include directives that use "file".
+    for include in `egrep '^[       ]*#[    ]*include[      ]*"[^/]' ${LIB}/$file | sed -e 's/^[    ]*#[    ]*include[      ]*"\([^"]*\)".*$/\1/'`; do
+      dir=`echo $file | sed -e s'|/[^/]*$||'`
+      required="$required ${INPUT} $dir/$include ${LIB}/$dir/$include"
+    done
+    fi
+  fi
+done
+
+# math.h on SunOS 4 puts the declaration of matherr before the definition
+# of struct exception, so the prototype (added by fixproto) causes havoc.
+file=math.h
+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 $file, matherr declaration
+  sed -e '/^struct exception/,$b' \
+      -e '/matherr/i\
+struct exception;
+'\
+    ${LIB}/$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 -f ${LIB}/$file
+  else
+    # Find any include directives that use "file".
+    for include in `egrep '^[       ]*#[    ]*include[      ]*"[^/]' ${LIB}/$file | sed -e 's/^[    ]*#[    ]*include[      ]*"\([^"]*\)".*$/\1/'`; do
+      dir=`echo $file | sed -e s'|/[^/]*$||'`
+      required="$required ${INPUT} $dir/$include ${LIB}/$dir/$include"
+    done
+  fi
+fi
+
+# assert.h and sys/mman.h on HP/UX are not C++ ready, even though
+# NO_IMPLICIT_EXTERN_C is defined on HP/UX.
+for file in assert.h sys/mman.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
+    if egrep '"C"' ${LIB}/$file >/dev/null 2>&1 \
+       || egrep '__BEGIN_DECLS' ${LIB}/$file >/dev/null 2>&1; then
+      true
+    else
+      echo Fixing $file
+      echo '#ifdef __cplusplus
+extern "C" {
+#endif' > ${LIB}/${file}.sed
+      cat ${LIB}/${file} >> ${LIB}/${file}.sed
+      echo '#ifdef __cplusplus
+}
+#endif' >> ${LIB}/${file}.sed 
+      rm -f ${LIB}/$file; mv ${LIB}/${file}.sed ${LIB}/$file
+    fi
+    if cmp $file ${LIB}/$file >/dev/null 2>&1; then
+      rm -f ${LIB}/$file
+    else
+      # Find any include directives that use "file".
+      for include in `egrep '^[       ]*#[    ]*include[      ]*"[^/]' ${LIB}/$file | sed -e 's/^[    ]*#[    ]*include[      ]*"\([^"]*\)".*$/\1/'`; do
+       dir=`echo $file | sed -e s'|/[^/]*$||'`
+       required="$required ${INPUT} $dir/$include ${LIB}/$dir/$include"
+      done
     fi
   fi
 done
 
+# check for broken assert.h that needs stdio.h or stdlib.h
+file=assert.h
+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
+  if grep 'stderr' ${LIB}/$file >/dev/null 2>/dev/null; then
+    if grep 'include.*stdio.h' ${LIB}/$file >/dev/null 2>/dev/null; then
+      true
+    else
+      echo "Fixing $file (needs stdio.h)"
+      echo '#include <stdio.h>' >>${LIB}/$file
+    fi
+  fi
+  if grep 'exit *(' ${LIB}/$file >/dev/null 2>/dev/null || 
+     grep 'abort *(' ${LIB}/$file >/dev/null 2>/dev/null; then
+    if grep 'include.*stdlib.h' ${LIB}/$file >/dev/null 2>/dev/null; then
+      true
+    else
+      echo "Fixing $file (needs stdlib.h)"
+      echo '#ifdef __cplusplus
+#include <stdlib.h>
+#endif' >>${LIB}/$file
+    fi
+  fi
+  if cmp $file ${LIB}/$file >/dev/null 2>&1; then
+    rm -f ${LIB}/$file
+  else
+    # Find any include directives that use "file".
+    for include in `egrep '^[       ]*#[    ]*include[      ]*"[^/]' ${LIB}/$file | sed -e 's/^[    ]*#[    ]*include[      ]*"\([^"]*\)".*$/\1/'`; do
+      dir=`echo $file | sed -e s'|/[^/]*$||'`
+      required="$required ${INPUT} $dir/$include ${LIB}/$dir/$include"
+    done
+  fi
+fi
+
+# Fix return value of sbrk in unistd.h on Alpha OSF/1 V2.0
+file=unistd.h
+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 $file, sbrk declaration
+  sed -e 's/char\([    ]*\*[    ]*sbrk[        ]*(\)/void\1/' \
+    ${LIB}/$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 -f ${LIB}/$file
+  else
+    # Find any include directives that use "file".
+    for include in `egrep '^[       ]*#[    ]*include[      ]*"[^/]' ${LIB}/$file | sed -e 's/^[    ]*#[    ]*include[      ]*"\([^"]*\)".*$/\1/'`; do
+      dir=`echo $file | sed -e s'|/[^/]*$||'`
+      required="$required ${INPUT} $dir/$include ${LIB}/$dir/$include"
+    done
+  fi
+fi
+
 # This file on SunOS 4 has a very large macro.  When the sed loop
 # tries pull it in, it overflows the pattern space size of the SunOS
 # sed (GNU sed does not have this problem).  Since the file does not
@@ -1556,36 +2409,511 @@ if [ -r ${LIB}/$file ]; then
   rm -f ${LIB}/$file
 fi
 
-echo 'Removing unneeded directories:'
-cd $LIB
-files=`find . -type d -print | sort -r`
-for file in $files; do
-  rmdir $LIB/$file > /dev/null 2>&1
+# Put cpp wrappers around these include files to avoid redeclaration
+# errors during multiple inclusion on m88k-tektronix-sysv3.
+for file in time.h sys/time.h ; do
+  if egrep '#ifndef' $file >/dev/null 2>&1; then
+    true
+  else
+    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
+    fi
+    if [ -r ${LIB}/$file ]; then
+      echo Fixing $file, to protect against multiple inclusion.
+      cpp_wrapper=`echo $file | sed -e 's,\.,_,g' -e 's,/,_,g'`
+      (echo "#ifndef __GCC_GOT_${cpp_wrapper}_"
+      echo "#define __GCC_GOT_${cpp_wrapper}_"
+      cat ${LIB}/${file}
+      echo '#endif /* !_GCC_GOT_'${cpp_wrapper}_' */')  > ${LIB}/${file}.new
+      rm -f ${LIB}/$file; mv ${LIB}/${file}.new ${LIB}/$file
+    fi
+  fi
 done
 
-if $LINKS; then
-  echo 'Making internal symbolic non-directory links'
-  cd ${INPUT}
-  files=`find . -type l -print`
-  for file in $files; do
-    dest=`ls -ld $file | sed -n 's/.*-> //p'`
-    if expr "$dest" : '[^/].*' > /dev/null; then    
-      target=${LIB}/`echo file | sed "s|[^/]*\$|$dest|"`
-      if [ -f $target ]; then
-        ln -s $dest ${LIB}/$file >/dev/null 2>&1
+# Fix fcntl prototype in fcntl.h on LynxOS.
+file=fcntl.h
+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 $file, fcntl declaration
+  sed -e 's/\(fcntl.*(int, int, \)int)/\1...)/' \
+    ${LIB}/$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 -f ${LIB}/$file
+  else
+    # Find any include directives that use "file".
+    for include in `egrep '^[       ]*#[    ]*include[      ]*"[^/]' ${LIB}/$file | sed -e 's/^[    ]*#[    ]*include[      ]*"\([^"]*\)".*$/\1/'`; do
+      dir=`echo $file | sed -e s'|/[^/]*$||'`
+      required="$required ${INPUT} $dir/$include ${LIB}/$dir/$include"
+    done
+  fi
+fi
+
+# Fix definitions of macros used by va-i960.h in VxWorks header file.
+file=arch/i960/archI960.h
+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 $file
+  sed -e 's/__vsiz/__vxvsiz/' -e 's/__vali/__vxvali/' \
+      -e s'/__vpad/__vxvpad/' -e 's/__alignof__/__vxalignof__/' \
+    ${LIB}/$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 -f ${LIB}/$file
+  else
+    # Find any include directives that use "file".
+    for include in `egrep '^[       ]*#[    ]*include[      ]*"[^/]' ${LIB}/$file | sed -e 's/^[    ]*#[    ]*include[      ]*"\([^"]*\)".*$/\1/'`; do
+      dir=`echo $file | sed -e s'|/[^/]*$||'`
+      required="$required ${INPUT} $dir/$include ${LIB}/$dir/$include"
+    done
+  fi
+fi
+
+# Make VxWorks header which is almost gcc ready fully gcc ready.
+file=types/vxTypesBase.h
+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 $file
+  sed -e 's/#ifdef __GNUC_TYPEOF_FEATURE_BROKEN_USE_DEFAULT_UNTIL_FIXED__/#if 1/' \
+      -e '/[   ]size_t/i\
+#ifndef _GCC_SIZE_T\
+#define _GCC_SIZE_T
+' \
+      -e '/[   ]size_t/a\
+#endif
+' \
+      -e '/[   ]ptrdiff_t/i\
+#ifndef _GCC_PTRDIFF_T\
+#define _GCC_PTRDIFF_T
+' \
+      -e '/[   ]ptrdiff_t/a\
+#endif
+' \
+      -e '/[   ]wchar_t/i\
+#ifndef _GCC_WCHAR_T\
+#define _GCC_WCHAR_T
+' \
+      -e '/[   ]wchar_t/a\
+#endif
+' \
+    ${LIB}/$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 -f ${LIB}/$file
+  else
+    # Find any include directives that use "file".
+    for include in `egrep '^[       ]*#[    ]*include[      ]*"[^/]' ${LIB}/$file | sed -e 's/^[    ]*#[    ]*include[      ]*"\([^"]*\)".*$/\1/'`; do
+      dir=`echo $file | sed -e s'|/[^/]*$||'`
+      required="$required ${INPUT} $dir/$include ${LIB}/$dir/$include"
+    done
+  fi
+fi
+
+# Fix VxWorks <sys/stat.h> to not require including <vxWorks.h>.
+file=sys/stat.h
+if [ -r $file ] && [ ! -r ${LIB}/$file ]; then
+  mkdir ${LIB}/sys 2>/dev/null
+  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
+  if egrep '#include' ${LIB}/$file >/dev/null 2>&1; then
+    :
+  else
+    if egrep 'ULONG' ${LIB}/$file >/dev/null 2>&1 \
+       && [ -r types/vxTypesOld.h ]; then
+      echo Fixing $file
+      sed -e '/#define[        ][      ]*__INCstath/a\
+#include <types/vxTypesOld.h>
+' \
+    ${LIB}/$file > ${LIB}/${file}.sed
+      rm -f ${LIB}/$file; mv ${LIB}/${file}.sed ${LIB}/$file
+    fi
+  fi
+  if cmp $file ${LIB}/$file >/dev/null 2>&1; then
+    rm -f ${LIB}/$file
+  else
+    # Find any include directives that use "file".
+    for include in `egrep '^[       ]*#[    ]*include[      ]*"[^/]' ${LIB}/$file | sed -e 's/^[    ]*#[    ]*include[      ]*"\([^"]*\)".*$/\1/'`; do
+      dir=`echo $file | sed -e s'|/[^/]*$||'`
+      required="$required ${INPUT} $dir/$include ${LIB}/$dir/$include"
+    done
+  fi
+fi
+
+# Fix VxWorks <time.h> to not require including <vxTypes.h>.
+file=time.h
+if [ -r $file ] && [ ! -r ${LIB}/$file ]; then
+  mkdir ${LIB}/sys 2>/dev/null
+  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
+  if egrep 'uint_t[    ][      ]*_clocks_per_sec' ${LIB}/$file >/dev/null 2>&1; then
+    echo Fixing $file
+    sed -e 's/uint_t/unsigned int/' ${LIB}/$file > ${LIB}/${file}.sed
+    rm -f ${LIB}/$file; mv ${LIB}/${file}.sed ${LIB}/$file
+  fi
+  if cmp $file ${LIB}/$file >/dev/null 2>&1; then
+    rm -f ${LIB}/$file
+  else
+    # Find any include directives that use "file".
+    for include in `egrep '^[       ]*#[    ]*include[      ]*"[^/]' ${LIB}/$file | sed -e 's/^[    ]*#[    ]*include[      ]*"\([^"]*\)".*$/\1/'`; do
+      dir=`echo $file | sed -e s'|/[^/]*$||'`
+      required="$required ${INPUT} $dir/$include ${LIB}/$dir/$include"
+    done
+  fi
+fi
+    
+# Fix hpux10.20 <sys/time.h> to avoid invalid forward decl
+file=sys/time.h
+if [ -r $file ] && [ ! -r ${LIB}/$file ]; then
+  mkdir ${LIB}/sys 2>/dev/null
+  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
+  if egrep '^extern struct sigevent;' ${LIB}/$file >/dev/null 2>&1; then
+    echo Fixing $file
+    sed -e 's/^extern struct sigevent;/struct sigevent;/' ${LIB}/$file > ${LIB}/${file}.sed
+    rm -f ${LIB}/$file; mv ${LIB}/${file}.sed ${LIB}/$file
+  fi
+  if cmp $file ${LIB}/$file >/dev/null 2>&1; then
+    rm -f ${LIB}/$file
+  else
+    # Find any include directives that use "file".
+    for include in `egrep '^[       ]*#[    ]*include[      ]*"[^/]' ${LIB}/$file | sed -e 's/^[    ]*#[    ]*include[      ]*"\([^"]*\)".*$/\1/'`; do
+      dir=`echo $file | sed -e s'|/[^/]*$||'`
+      required="$required ${INPUT} $dir/$include ${LIB}/$dir/$include"
+    done
+  fi
+fi
+    
+# Another bad dependency in VxWorks 5.2 <time.h>.
+file=time.h
+if [ -r $file ] && [ ! -r ${LIB}/$file ]; then
+  mkdir ${LIB}/sys 2>/dev/null
+  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
+  if egrep VOIDFUNCPTR ${LIB}/$file >/dev/null 2>&1; then
+    if [ -r vxWorks.h ]; then
+      echo Fixing $file
+      sed -e '/VOIDFUNCPTR/i\
+#ifndef __gcc_VOIDFUNCPTR_defined\
+#ifdef __cplusplus\
+typedef void (*__gcc_VOIDFUNCPTR) (...);\
+#else\
+typedef void (*__gcc_VOIDFUNCPTR) ();\
+#endif\
+#define __gcc_VOIDFUNCPTR_defined\
+#endif
+' \
+         -e 's/VOIDFUNCPTR/__gcc_VOIDFUNCPTR/g' \
+       ${LIB}/$file > ${LIB}/${file}.sed
+      rm -f ${LIB}/$file; mv ${LIB}/${file}.sed ${LIB}/$file
+    fi
+  fi
+  if cmp $file ${LIB}/$file >/dev/null 2>&1; then
+    rm -f ${LIB}/$file
+  else
+    # Find any include directives that use "file".
+    for include in `egrep '^[       ]*#[    ]*include[      ]*"[^/]' ${LIB}/$file | sed -e 's/^[    ]*#[    ]*include[      ]*"\([^"]*\)".*$/\1/'`; do
+      dir=`echo $file | sed -e s'|/[^/]*$||'`
+      required="$required ${INPUT} $dir/$include ${LIB}/$dir/$include"
+    done
+  fi
+fi
+    
+# This file in A/UX 3.0.x/3.1.x contains an __asm directive for c89; gcc
+# doesn't understand it.
+file=sys/param.h
+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 __asm directive in sys/param.h"
+  sed -e 's|#ifndef NOINLINE|#if !defined(NOINLINE) \&\& !defined(__GNUC__)|' \
+    ${LIB}/$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 -f ${LIB}/$file
+  else
+    # Find any include directives that use "file".
+    for include in `egrep '^[       ]*#[    ]*include[      ]*"[^/]' ${LIB}/$file | sed -e 's/^[    ]*#[    ]*include[      ]*"\([^"]*\)".*$/\1/'`; do
+      dir=`echo $file | sed -e s'|/[^/]*$||'`
+      required="$required ${INPUT} $dir/$include ${LIB}/$dir/$include"
+    done
+  fi
+fi
+
+# signal.h on SunOS defines signal using (), which causes trouble when
+# compiling with g++ -pedantic.
+for file in signal.h sys/signal.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 "Checking for bad C++ prototype in $file"
+    sed -e '/^void     (\*signal())();$/i\
+  #ifdef __cplusplus\
+  void (*signal(...))(...);\
+  #else
+  ' \
+       -e '/^void      (\*signal())();$/a\
+  #endif
+  ' \
+      ${LIB}/$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 -f ${LIB}/$file
+    else
+      # Find any include directives that use "file".
+      for include in `egrep '^[       ]*#[    ]*include[      ]*"[^/]' ${LIB}/$file | sed -e 's/^[    ]*#[    ]*include[      ]*"\([^"]*\)".*$/\1/'`; do
+       dir=`echo $file | sed -e s'|/[^/]*$||'`
+       required="$required ${INPUT} $dir/$include ${LIB}/$dir/$include"
+      done
+    fi
+  fi
+done
+
+# sys/signal.h on some versions of AIX uses volatile in the typedef of
+# sig_atomic_t, which causes gcc to generate a warning about duplicate
+# volatile when a sig_atomic_t variable is declared volatile, as
+# required by ANSI C.
+file=sys/signal.h
+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 "Checking for duplicate volatile in sys/signal.h"
+  sed -e 's/typedef volatile int sig_atomic_t/typedef int sig_atomic_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 -f ${LIB}/$file
+  else
+    # Find any include directives that use "file".
+    for include in `egrep '^[       ]*#[    ]*include[      ]*"[^/]' ${LIB}/$file | sed -e 's/^[    ]*#[    ]*include[      ]*"\([^"]*\)".*$/\1/'`; do
+      dir=`echo $file | sed -e s'|/[^/]*$||'`
+      required="$required ${INPUT} $dir/$include ${LIB}/$dir/$include"
+    done
+  fi
+fi
+
+# Some math.h files define struct exception, which conflicts with
+# the class exception defined in the C++ file std/stdexcept.h.  We
+# redefine it to __math_exception.  This is not a great fix, but I
+# haven't been able to think of anything better.
+file=math.h
+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 $file, exception
+  sed -e '/struct exception/i\
+#ifdef __cplusplus\
+#define exception __math_exception\
+#endif'\
+      -e '/struct exception/a\
+#ifdef __cplusplus\
+#undef exception\
+#endif' ${LIB}/$file > ${LIB}/${file}.sed
+  rm -f ${LIB}/$file; mv ${LIB}/${file}.sed ${LIB}/$file
+  if egrep 'matherr()' ${LIB}/$file >/dev/null 2>&1; then
+    sed -e '/matherr/i\
+#ifdef __cplusplus\
+#define exception __math_exception\
+#endif'\
+        -e '/matherr/a\
+#ifdef __cplusplus\
+#undef exception\
+#endif' ${LIB}/$file > ${LIB}/${file}.sed
+    rm -f ${LIB}/$file; mv ${LIB}/${file}.sed ${LIB}/$file
+  fi
+  if cmp $file ${LIB}/$file >/dev/null 2>&1; then
+    rm -f ${LIB}/$file
+  else
+    # Find any include directives that use "file".
+    for include in `egrep '^[       ]*#[    ]*include[      ]*"[^/]' ${LIB}/$file | sed -e 's/^[    ]*#[    ]*include[      ]*"\([^"]*\)".*$/\1/'`; do
+      dir=`echo $file | sed -e s'|/[^/]*$||'`
+      required="$required ${INPUT} $dir/$include ${LIB}/$dir/$include"
+    done
+  fi
+fi
+
+# rpc/xdr.h on SunOS needs prototypes for its XDR->xdr_ops function pointers.
+file=rpc/xdr.h
+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 "Checking for needed C++ prototype in $file"
+  sed -e 's/^\(.*\)\*\(x_.*\)();\(.*\)/\
+#ifdef __cplusplus\
+\1*\2(...);\3\
+#else\
+\1*\2();\3\
+#endif/g' \
+     $LIB/$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 -f ${LIB}/$file
+  else
+    # Find any include directives that use "file".
+    for include in `egrep '^[       ]*#[    ]*include[      ]*"[^/]' ${LIB}/$file | sed -e 's/^[    ]*#[    ]*include[      ]*"\([^"]*\)".*$/\1/'`; do
+       dir=`echo $file | sed -e s'|/[^/]*$||'`
+       required="$required ${INPUT} $dir/$include ${LIB}/$dir/$include"
+    done
+  fi
+fi
+
+# sys/lc_core.h on some versions of OSF1/4.x pollutes the namespace by
+# defining regex.h related types.  This causes libg++ build and usage failures.
+# Fixing this correctly requires checking and modifying 3 files.
+for file in reg_types.h regex.h sys/lc_core.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
+done
+if [ -r ${LIB}/reg_types.h ]; then
+  if egrep '} regex_t;' ${LIB}/reg_types.h >/dev/null 2>&1; then
+    if [ -r ${LIB}/sys/lc_core.h ]; then
+      if egrep ' regex_t ' ${LIB}/sys/lc_core.h >/dev/null 2>&1; then
+        if [ -r ${LIB}/regex.h ]; then
+         if egrep '__regex_t' ${LIB}/regex.h >/dev/null 2>&1; then
+           true;
+         else
+           echo Fixing reg_types.h, regex.h, sys/lc_core.h
+           for file in reg_types.h sys/lc_core.h; do
+             sed -e 's/regex_t/__regex_t/g' \
+               -e 's/regoff_t/__regoff_t/g' \
+               -e 's/regmatch_t/__regmatch_t/g' \
+               ${LIB}/$file > ${LIB}/${file}.sed
+             rm -f ${LIB}/$file; mv ${LIB}/${file}.sed ${LIB}/$file
+           done
+           sed -e '/#include <reg_types.h>/a\
+typedef __regex_t      regex_t;\
+typedef __regoff_t     regoff_t;\
+typedef __regmatch_t   regmatch_t;\
+' \
+             ${LIB}/regex.h > ${LIB}/regex.h.sed
+           rm -f ${LIB}/regex.h; mv ${LIB}/regex.h.sed ${LIB}/regex.h
+         fi
+       fi
       fi
     fi
-  done
+  fi
 fi
+for file in reg_types.h regex.h sys/lc_core.h; do
+  if cmp $file ${LIB}/$file >/dev/null 2>&1; then
+    rm -f ${LIB}/$file
+  else
+    # Find any include directives that use "file".
+    for include in `egrep '^[       ]*#[    ]*include[      ]*"[^/]' ${LIB}/$file | sed -e 's/^[    ]*#[    ]*include[      ]*"\([^"]*\)".*$/\1/'`; do
+      dir=`echo $file | sed -e s'|/[^/]*$||'`
+      required="$required ${INPUT} $dir/$include ${LIB}/$dir/$include"
+    done
+  fi
+done
+
+# AIX headers define NULL to be cast to a void pointer, which is illegal
+# in ANSI C++.
+for file in curses.h dbm.h locale.h stdio.h stdlib.h string.h time.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
+    if egrep '#.*define.*NULL.*void' ${LIB}/$file >/dev/null 2>&1; then
+      echo "Fixing $file, bad NULL macro"
+      sed -e 's/^#[    ]*define[       ]*NULL[         ]*((void[       ]*\*)0)/#define NULL 0/' \
+        ${LIB}/$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 -f ${LIB}/$file
+      else
+        # Find any include directives that use "file".
+        for include in `egrep '^[       ]*#[    ]*include[      ]*"[^/]' ${LIB}/$file | sed -e 's/^[    ]*#[    ]*include[      ]*"\([^"]*\)".*$/\1/'`; do
+         dir=`echo $file | sed -e s'|/[^/]*$||'`
+         required="$required ${INPUT} $dir/$include ${LIB}/$dir/$include"
+        done
+      fi
+    fi
+  fi
+done
+
+# This loop does not appear to do anything, because it uses file
+# rather than $file when setting target.  It also appears to be
+# unnecessary, since the main loop processes symbolic links.
+#if $LINKS; then
+#  echo 'Making internal symbolic non-directory links'
+#  cd ${INPUT}
+#  files=`find . -type l -print`
+#  for file in $files; do
+#    dest=`ls -ld $file | sed -n 's/.*-> //p'`
+#    if expr "$dest" : '[^/].*' > /dev/null; then    
+#      target=${LIB}/`echo file | sed "s|[^/]*\$|$dest|"`
+#      if [ -f $target ]; then
+#        ln -s $dest ${LIB}/$file >/dev/null 2>&1
+#      fi
+#    fi
+#  done
+#fi
 
 # 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."
-while [ -n "$required" ]; do
+set x $required
+shift
+while [ $# != 0 ]; do
   newreq=
-  set x $required
-  shift
   while [ $# != 0 ]; do
     # $1 is the directory to copy from, $2 is the unfixed file,
     # $3 is the fixed file name.
@@ -1604,11 +2932,19 @@ while [ -n "$required" ]; do
     fi
     shift; shift; shift
   done
-  required=$newreq
+  set x $newreq
+  shift
 done
 
 echo 'Cleaning up DONE files.'
 cd $LIB
 find . -name DONE -exec rm -f '{}' ';'
 
+echo 'Removing unneeded directories:'
+cd $LIB
+files=`find . -type d -print | sort -r`
+for file in $files; do
+  rmdir $LIB/$file > /dev/null 2>&1
+done
+
 exit 0