diff --git a/ChangeLog b/ChangeLog
index 59a85b724d7aec8e30b3bf4c5070f92553a6c2fe..cd35f1daea1711e588e169260740832da4b300d4 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,9 @@
+2001-04-13  Alan Modra  <amodra@one.net.au>
+
+	* config.guess: Add hppa64-linux support.  Note for next import that
+	this is already in the master file.
+	* configure.in: Likewise.  Accept `parisc' alias for `hppa'.
+
 2001-04-12  Alexandre Oliva  <aoliva@redhat.com>
 
 	* ltconfig, ltmain.sh, libtool.m4, ltcf-c.sh, ltcf-cxx.sh,
diff --git a/config.guess b/config.guess
index 4a4c2a418fc6f3ee8431fba438a914fe0a3b5944..4b177bd2e941463309480e18153b3655d7c31f51 100755
--- a/config.guess
+++ b/config.guess
@@ -861,6 +861,22 @@ EOF
 	  echo s390x-ibm-linux && exit 0
 	elif test "${UNAME_MACHINE}" = "x86_64"; then
 	  echo x86_64-unknown-linux-gnu && exit 0
+	elif test "${UNAME_MACHINE}" = "parisc64" -o "${UNAME_MACHINE}" = "hppa64"; then
+	  echo hppa64-unknown-linux-gnu && exit 0
+	elif test "${UNAME_MACHINE}" = "parisc" -o "${UNAME_MACHINE}" = "hppa"; then
+	  # Look for CPU level
+	  case `grep '^cpu[^a-z]*:' /proc/cpuinfo 2>/dev/null | cut -d' ' -f2` in
+	    PA7*)
+		echo hppa1.1-unknown-linux-gnu
+		;;
+	    PA8*)
+		echo hppa2.0-unknown-linux-gnu
+		;;
+	    *)
+		echo hppa-unknown-linux-gnu
+		;;
+	  esac
+	  exit 0
 	else
 	  # Either a pre-BFD a.out linker (linux-gnuoldld)
 	  # or one that does not give us useful --help.
diff --git a/configure.in b/configure.in
index 5b0ae6b61d641924d9b9df94e55f29a4102a279b..4d4e6e1b9771516343a0c578d8d362019a95d246 100644
--- a/configure.in
+++ b/configure.in
@@ -304,7 +304,7 @@ if [ x${shared} = xyes ]; then
     arm*-*-*)
       host_makefile_frag="${host_makefile_frag} config/mh-armpic"
       ;;
-    hppa*-*-*)
+    parisc*-*-* | hppa*-*-*)
       host_makefile_frag="${host_makefile_frag} config/mh-papic"
       ;;
     i[3456]86-*-cygwin*)
@@ -714,8 +714,14 @@ case "${target}" in
   h8500-*-*)
     noconfigdirs="$noconfigdirs ${libstdcxx_version} target-librx target-libgloss ${libgcj}"
     ;;
+  hppa*64*-*-linux* | parisc*64*-*-linux*)
+    # In this case, it's because the hppa64-linux target is for
+    # the kernel only at this point and has no libc, and thus no
+    # headers, crt*.o, etc., all of which are needed by these.
+    noconfigdirs="$noconfigdirs target-zlib"
+    ;;
   hppa*-*-*elf* | \
-  hppa*-*-linux* | \
+  parisc*-*-linux* | hppa*-*-linux* | \
   hppa*-*-lites* | \
   hppa*64*-*-*)
     noconfigdirs="${libgcj}"
@@ -1193,7 +1199,7 @@ fi
 
 if [ x${shared} = xyes ]; then
   case "${target}" in
-    hppa*)
+    hppa* | parisc*)
       target_makefile_frag="${target_makefile_frag} config/mt-papic"
       ;;
     i[3456]86-*)