--- gcc/fixincludes	2018/04/24 18:11:38	1.1.1.6
+++ gcc/fixincludes	2018/04/24 18:18:28	1.1.1.7
@@ -5,14 +5,6 @@
 
 # See README-fixinc for more information.
 
-# Command to run gcc.
-GCCCMD=${4-${GCCCMD-gcc}}
-
-# 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}}
@@ -47,16 +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
@@ -115,12 +97,15 @@ do
 	    # add that dir to $newdirs
 	    if [ -d $d1 ]
 	    then
-		newdirs="$newdirs $d1"
+		files="$files $d1"
+		if [ "`ls -ld $d1 | sed -n 's/.*-> //p'`" != "." ]
+		then
+		    newdirs="$newdirs $d1"
+		fi
 	    fi
 	done
     done
 
-    files="$files $newdirs"
     dirs="$newdirs"
 done
 
@@ -157,16 +142,19 @@ 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@..$@@'`
@@ -210,9 +198,12 @@ 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"
@@ -267,7 +258,7 @@ while [ $# != 0 ]; do
 # identifiers below start with `d' or `l'.  It also greatly improves
 # performance, since many files contain lines of the form `#if ... defined ...'
 # or `#if lint'.
-    if egrep '//|[ 	_]_IO|CTRL|^#define.NULL|^#e[nl][ds][ief]*[ 	]+[!-.0-~]|^#[el]*if.*[^a-zA-Z0-9_][_a-ce-km-z][a-z0-9]' $file >/dev/null; then
+    if egrep '//|[ 	_]_IO|CTRL|^#define.NULL|^#e[nl][ds][ief]*[ 	]+[!-.0-~]|^#[el]*if.*[^a-zA-Z0-9_][_a-ce-km-zA-Z][a-zA-Z0-9]' $file >/dev/null; then
       if [ -r $file ]; then
 	cp $file $2/$file >/dev/null 2>&1	\
 	|| echo "Can't copy $file"
@@ -302,18 +293,29 @@ while [ $# != 0 ]; do
 		s/[a-zA-Z0-9_][a-zA-Z0-9_]*/ & /g
 
 		s/ bsd4\([0-9]\) / __bsd4\1__ /g
+		s/ _*host_mips / __host_mips__ /g
 		s/ _*i386 / __i386__ /g
+		s/ M32 / __M32__ /g
 		s/ is68k / __is68k__ /g
 		s/ m68k / __m68k__ /g
 		s/ mc680\([0-9]\)0 / __mc680\10__ /g
+		s/ m88k / __m88k__ /g
+		s/ _*mips / __mips__ /g
 		s/ news\([0-9]*\) / __news\1__ /g
 		s/ ns32000 / __ns32000__ /g
+		s/ pdp11 / __pdp11__ /g
 		s/ pyr / __pyr__ /g
 		s/ sony_news / __sony_news__ /g
 		s/ sparc / __sparc__ /g
 		s/ sun\([a-z0-9]*\) / __sun\1__ /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/ _*SYSTYPE_\([A-Z0-9]*\) / __SYSTYPE_\1__ /g
 
 		s/ \([a-zA-Z0-9_][a-zA-Z0-9_]*\) /\1/g
 	  }
@@ -321,7 +323,8 @@ 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
@@ -339,8 +342,9 @@ done
 
 cd ${INPUT}
 
-# Install the proper definition of size_t in header files that it comes from.
-for file in sys/types.h stdlib.h sys/stdtypes.h; do
+# 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
@@ -348,18 +352,36 @@ for file in sys/types.h stdlib.h sys/std
   fi
 
   if [ -r ${LIB}/$file ]; then
-    echo Fixing $file comment
-    # Get the definition of __SIZE_TYPE__, if any.
-    # (This file must be called something.c).
-    echo "__SIZE_TYPE__" > ${LIB}/types.c
-    foo=`${GCCCMD} -E -P ${LIB}/types.c`
-    rm -f ${LIB}/types.c
-    # Default to our preferred type.
-    if [ "$foo" = __SIZE_TYPE__ ]; then foo="unsigned long int"; fi
-    sed -e "s/typedef[ 	a-z_]*[ 	]size_t/typedef $foo size_t/" ${LIB}/$file > ${LIB}/${file}.sed
+    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
+    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
@@ -379,6 +401,12 @@ 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
 
@@ -395,6 +423,12 @@ 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
@@ -409,6 +443,12 @@ 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
 
@@ -424,22 +464,34 @@ if [ -r ${LIB}/$file ]; then
   echo Fixing $file
 sed -e '/[	 ]size_t.*;/i\
 #ifndef _GCC_SIZE_T\
-#define _GCC_SIZE_T' \
+#define _GCC_SIZE_T
+' \
     -e '/[	 ]size_t.*;/a\
-#endif' \
+#endif
+' \
     -e '/[	 ]ptrdiff_t.*;/i\
 #ifndef _GCC_PTRDIFF_T\
-#define _GCC_PTRDIFF_T' \
+#define _GCC_PTRDIFF_T
+' \
     -e '/[	 ]ptrdiff_t.*;/a\
-#endif' \
+#endif
+' \
     -e '/[	 ]wchar_t.*;/i\
 #ifndef _GCC_WCHAR_T\
-#define _GCC_WCHAR_T' \
+#define _GCC_WCHAR_T
+' \
     -e '/[	 ]wchar_t.*;/a\
-#endif' ${LIB}/$file > ${LIB}/${file}.sed
+#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 ${LIB}/$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
 
@@ -460,11 +512,43 @@ 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
 
 # Fix this file to avoid interfering with stddef.h, but don't mistakenly
-# match e.g. ssize_t present in AIX for the ps/2.
+# match ssize_t present in AIX for the ps/2, or typedefs which use (but do not
+# set) size_t.
 file=sys/types.h
 if [ -r $file ] && [ ! -r ${LIB}/$file ]; then
   cp $file ${LIB}/$file >/dev/null 2>&1 || echo "Can't copy $file"
@@ -474,14 +558,22 @@ fi
 
 if [ -r ${LIB}/$file ]; then
   echo Fixing $file
-sed -e '/[ 	]size_t.*;/i\
+sed -e '/typedef[ 	][ 	]*[A-Za-z_][ 	A-Za-z_]*[ 	]size_t/i\
 #ifndef _GCC_SIZE_T\
-#define _GCC_SIZE_T' \
-    -e '/[ 	]size_t.*;/a\
-#endif' ${LIB}/$file > ${LIB}/${file}.sed
+#define _GCC_SIZE_T
+' \
+    -e '/typedef[ 	][ 	]*[A-Za-z_][ 	A-Za-z_]*[ 	]size_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 ${LIB}/$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
 
@@ -499,6 +591,12 @@ 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
 
@@ -518,6 +616,12 @@ 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
 
@@ -537,6 +641,12 @@ 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
 
@@ -556,6 +666,12 @@ 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
 
@@ -573,10 +689,17 @@ 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 ${LIB}/$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 superfluous `static' (in Ultrix 4.2)
+# On Ultrix 4.3, includes of other files (r3_cpu.h,r4_cpu.h) is broken.
 file=machine/cpu.h
 if [ -r $file ] && [ ! -r ${LIB}/$file ]; then
   mkdir ${LIB}/machine 2>/dev/null
@@ -586,16 +709,25 @@ if [ -r $file ] && [ ! -r ${LIB}/$file ]
 fi
 
 if [ -r ${LIB}/$file ]; then
-  echo Fixing $file, superfluous static
-  sed -e 's/^static struct tlb_pid_state/struct tlb_pid_state/' ${LIB}/$file > ${LIB}/${file}.sed
+  echo Fixing $file, superfluous static and broken includes of other files.
+  sed -e 's/^static struct tlb_pid_state/struct tlb_pid_state/' \
+      -e 's/^#include "r3_cpu\.h"$/#include <machine\/r3_cpu\.h>/' \
+      -e 's/^#include "r4_cpu\.h"$/#include <machine\/r4_cpu\.h>/' \
+      ${LIB}/$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
 # 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>&-
-      ln ${LIB}/$file ${LIB}/mips/cpu.h 
+# Don't remove the file first, they may be the same file!
+      ln ${LIB}/$file ${LIB}/mips/cpu.h > /dev/null 2>&1
     fi
   fi
 fi
@@ -617,6 +749,12 @@ 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
 
@@ -638,6 +776,12 @@ 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
 
@@ -656,6 +800,12 @@ 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
 
@@ -680,6 +830,12 @@ 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
 
@@ -698,6 +854,12 @@ 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
 
@@ -720,13 +882,21 @@ if [ -r ${LIB}/$file ]; then
   -e 's/int	exit/void	exit/g' \
   -e '/typedef[ 	a-zA-Z_]*[ 	]size_t[ 	]*;/i\
 #ifndef _GCC_SIZE_T\
-#define _GCC_SIZE_T' \
+#define _GCC_SIZE_T
+' \
   -e '/typedef[ 	a-zA-Z_]*[ 	]size_t[ 	]*;/a\
-#endif' \
+#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
 
@@ -746,6 +916,12 @@ 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
 
@@ -765,6 +941,12 @@ 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
 
@@ -784,6 +966,12 @@ 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
 
@@ -803,6 +991,12 @@ 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
 
@@ -822,6 +1016,12 @@ 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
 
@@ -842,6 +1042,12 @@ 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
 
@@ -868,10 +1074,72 @@ 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
 
+# IRIX 4.0.5 <rpc/auth.h> uses struct sockaddr in prototype without
+# previous definition.
+file=rpc/auth.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
+  echo Fixing $file, undefined type
+  sed -e '/authdes_create.*struct sockaddr/i\
+struct sockaddr;
+' \
+    ${LIB}/$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
+
+# IRIX 4.0.5 <rpc/xdr.h> uses struct __file_s in prototype without previous
+# definition.
+file=rpc/xdr.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
+  echo Fixing $file, undefined type
+  sed -e '/xdrstdio_create.*struct __file_s/i\
+struct __file_s;
+' \
+    ${LIB}/$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
+
 # Same problem with a file from SunOS 4.1.3 : a header file containing
 # the string "//" embedded in "/**/"
 file=sbusdev/audiovar.h
@@ -920,7 +1188,7 @@ EOF
   fi
 fi
 
-# parameters not const on DECstation Ultrix V4.0.
+# 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"
@@ -937,10 +1205,18 @@ 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
 
@@ -958,6 +1234,12 @@ 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
@@ -974,12 +1256,20 @@ if [ -r ${LIB}/$file ]; then
   if grep 'class[(]' ${LIB}/$file >/dev/null; then
     echo Fixing $file
     sed -e '/class[(]/i\
-#ifndef __cplusplus' \
+#ifndef __cplusplus
+' \
         -e '/class[(]/a\
-#endif' ${LIB}/$file > ${LIB}/${file}.sed
+#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 ${LIB}/$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
@@ -1000,6 +1290,187 @@ 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
+
+# There are several name conflicts with C++ reserved words in X11
+# header files.  These are fixed in some versions, so don't do the
+# fixes if we find __cplusplus in the file.  These were found on the
+# RS/6000.
+
+# class in X11/ShellP.h
+file=X11/ShellP.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 grep __cplusplus ${LIB}/$file >/dev/null 2>/dev/null; then
+    true;
+  else
+    echo Fixing $file, field class
+    sed -e '/char [*]class;/i\
+#ifdef __cplusplus\
+	char *c_class;\
+#else
+' \
+        -e '/char [*]class;/a\
+#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
+# new in Xm/Traversal.h
+file=Xm/Traversal.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 grep __cplusplus ${LIB}/$file >/dev/null 2>/dev/null; then
+    true;
+  else
+    echo Fixing $file, uses of new
+    sed -e '/Widget	old, new;/i\
+#ifdef __cplusplus\
+	Widget	old, c_new;\
+#else
+' \
+        -e '/Widget	old, new;/a\
+#endif
+' \
+	-e 's/Widget new,/Widget c_new,/g' ${LIB}/$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
+# class in Xm/BaseClassI.h
+file=Xm/BaseClassI.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 grep __cplusplus ${LIB}/$file >/dev/null 2>/dev/null; then
+    true;
+  else
+    echo Fixing $file, prototype parameter name
+    sed -e 's/ class[)]/ c_class)/g' ${LIB}/$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
+
+# 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__.*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
 
@@ -1020,11 +1491,17 @@ 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
 
 # Don't use or define the name va_list in stdio.h.
-# This is for ANSI and also to interoperate properly with gvarargs.h.
+# This is for ANSI and also to interoperate properly with gcc's varargs.h.
 file=stdio.h
 if [ -r $file ] && [ ! -r ${LIB}/$file ]; then
   cp $file ${LIB}/$file >/dev/null 2>&1 || echo "Can't copy $file"
@@ -1035,8 +1512,12 @@ 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.
@@ -1048,14 +1529,21 @@ if [ -r ${LIB}/$file ]; then
       -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
 
@@ -1087,6 +1575,12 @@ 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
 
@@ -1106,6 +1600,57 @@ 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
+
+# This file in RISC/os uses /**/ to concatenate two tokens.
+file=bsd43/bsd43_.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
+  sed -e 's|/\*\*/|##|' ${LIB}/$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
+
+file=rpc/rpc.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
+  echo Fixing $file, nested comment
+  sed -e 's@^\(/\*.*rpc/auth_des.h>.*\)/\*@\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
 
@@ -1130,35 +1675,53 @@ for file in limits.h sys/limits.h; do
     else
       echo Fixing $file
       sed -e '/[ 	]FLT_MIN[ 	]/i\
-#ifndef FLT_MIN'\
+#ifndef FLT_MIN
+'\
 	  -e '/[ 	]FLT_MIN[ 	]/a\
-#endif'\
+#endif
+'\
 	  -e '/[ 	]FLT_MAX[ 	]/i\
-#ifndef FLT_MAX'\
+#ifndef FLT_MAX
+'\
 	  -e '/[ 	]FLT_MAX[ 	]/a\
-#endif'\
+#endif
+'\
 	  -e '/[ 	]FLT_DIG[ 	]/i\
-#ifndef FLT_DIG'\
+#ifndef FLT_DIG
+'\
 	  -e '/[ 	]FLT_DIG[ 	]/a\
-#endif'\
+#endif
+'\
 	  -e '/[ 	]DBL_MIN[ 	]/i\
-#ifndef DBL_MIN'\
+#ifndef DBL_MIN
+'\
 	  -e '/[ 	]DBL_MIN[ 	]/a\
-#endif'\
+#endif
+'\
 	  -e '/[ 	]DBL_MAX[ 	]/i\
-#ifndef DBL_MAX'\
+#ifndef DBL_MAX
+'\
 	  -e '/[ 	]DBL_MAX[ 	]/a\
-#endif'\
+#endif
+'\
 	  -e '/[ 	]DBL_DIG[ 	]/i\
-#ifndef DBL_DIG'\
+#ifndef DBL_DIG
+'\
 	  -e '/[ 	]DBL_DIG[ 	]/a\
-#endif'\
+#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
       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
@@ -1175,14 +1738,39 @@ fi
 if [ -r ${LIB}/$file ]; then
   echo Fixing $file
   sed -e '/define[ 	]HUGE_VAL[ 	]/i\
-#ifndef HUGE_VAL'\
+#ifndef HUGE_VAL
+'\
       -e '/define[ 	]HUGE_VAL[ 	]/a\
-#endif'\
+#endif
+'\
     ${LIB}/$file > ${LIB}/${file}.sed
   rm -f ${LIB}/$file; mv ${LIB}/${file}.sed ${LIB}/$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
 
@@ -1201,9 +1789,100 @@ 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
+
+# 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
+  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);/' \
+    ${LIB}/$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
 
+# 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
@@ -1220,10 +1899,16 @@ 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"
@@ -1233,27 +1918,21 @@ 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
-
 # 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
 # Autoconf uses.
@@ -1305,6 +1984,12 @@ 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
@@ -1324,40 +2009,222 @@ 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
 
-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
+# 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 $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
+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 on HP/UX is not C++ ready, even though NO_IMPLICIT_EXTERN_C
+# is defined on HP/UX.
+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 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
+    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
+  fi
+fi
+
+# 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 $file (needs stdlib.h)"
+      echo '#include <stdlib.h>' >>${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
+# require fixing, we remove it from the fixed directory.
+file=sundev/ipi_error.h
+if [ -r ${LIB}/$file ]; then
+  echo "Removing incorrect fix to SunOS <sundev/ipi_error.h>"
+  rm -f ${LIB}/$file
+fi
+
+# 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
+
+# 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
 
+# 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,
     # $3 is the fixed file name.
@@ -1376,11 +2243,19 @@ while [ -n "$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