Update release tools with libctf support.

top	* src-release.sh (do_proto_toplev): Add libctf to list of
	directories that can be disabled.

binutils* README-how-to-make-a-release: Add libctf to list of directories
	that need updates in their ChangeLogs.

ChangeLog

@@ -1,3 +1,8 @@
+2019-05-29  Nick Clifton  <nickc@redhat.com>
+
+	* src-release.sh (do_proto_toplev): Add libctf to list of
+	directories that can be disabled.
+
 2019-05-29  Nick Clifton  <nickc@redhat.com>
 
 	Import this patch from gcc mainline:

binutils/ChangeLog

@@ -1,3 +1,8 @@
+2019-05-29  Nick Clifton  <nickc@redhat.com>
+
+	* README-how-to-make-a-release: Add libctf to list of directories
+	that need updates in their ChangeLogs.
+
 2019-05-29  Nick Clifton  <nickc@redhat.com>
 
 	* configure.ac (LIBCTF): Export.  Set to empty for non-ELF based

binutils/README-how-to-make-a-release

@@ -30,7 +30,7 @@ How to perform a release.
      the NEWS files in gas, ld, gold and binutils.
 
      Likewise for the ChangeLog files in: bfd, binutils, config, cpu,
-     elfcpp, gas, gold, gprof, include, ld, opcodes and toplevel.
+     elfcpp, gas, gold, gprof, include, ld, libctf, opcodes and toplevel.
 
      Add a note of the name of the new branch to binutils/BRANCHES.
 

src-release.sh

@@ -89,7 +89,7 @@ do_proto_toplev()
     # built in the gold dir.  The disables speed the build a little.
     enables=
     disables=
-    for dir in binutils gas gdb gold gprof ld libdecnumber readline sim; do
+    for dir in binutils gas gdb gold gprof ld libctf libdecnumber readline sim; do
 	case " $tool $support_files " in
 	    *" $dir "*) enables="$enables --enable-$dir" ;;
 	    *) disables="$disables --disable-$dir" ;;
@@ -293,7 +293,7 @@ gdb_tar_compress()
 }
 
 # The FSF "binutils" release includes gprof and ld.
-BINUTILS_SUPPORT_DIRS="bfd gas include libiberty opcodes ld elfcpp gold gprof intl setup.com makefile.vms cpu zlib"
+BINUTILS_SUPPORT_DIRS="bfd gas include libiberty libctf opcodes ld elfcpp gold gprof intl setup.com makefile.vms cpu zlib"
 binutils_release()
 {
     compressors=$1