Don't pass $(srcdir) to fixincludes scripts; don't explicitly copy files

which are now copied by ${required} code.

From-SVN: r7348

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
@@ -1511,18 +1496,6 @@ for file in stdio.h stdlib.h; do
   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.