gdb/

	* NEWS: Mention qSupported.
	* remote.c (struct remote_state): Add explicit_packet_size.
	(get_remote_packet_size): Check explicit_packet_size.
	(get_memory_packet_size): Likewise.
	(PACKET_qSupported): New enum value.
	(struct protocol_feature, remote_supported_packet)
	(remote_packet_size, remote_protocol_features)
	(remote_query_supported): New.
	(remote_open_1): Reset explicit_packet_size.  Call
	remote_query_supported.
	(_initialize_remote): Register qSupported.
gdb/doc/
	* gdb.texinfo (Remote configuration): Document set / show
	remote supported-packets.
	(General Query Packets): Document qSupported packet.
gdb/gdbserver/
	* server.c (handle_query): Handle qSupported.

5 files changed, 52 insertions, 604 deletions

diff --git a/gdb/testsuite/Makefile.in b/gdb/testsuite/Makefile.in
index b92b916..8065346 100644
--- a/gdb/testsuite/Makefile.in
+++ b/gdb/testsuite/Makefile.in
@@ -24,8 +24,7 @@ srcdir = @srcdir@
 prefix = @prefix@
 exec_prefix = @exec_prefix@
 
-host_alias = @host_alias@
-target_alias = @target_alias@
+target_alias = @target_noncanonical@
 program_transform_name = @program_transform_name@
 build_canonical = @build@
 host_canonical = @host@
@@ -108,7 +107,6 @@ site.exp: ./config.status Makefile
 	@echo "## these variables are automatically generated by make ##" > ./tmp0
 	@echo "# Do not edit here. If you wish to override these values" >> ./tmp0
 	@echo "# add them to the last section" >> ./tmp0
-	@echo "set host_alias $(host_alias)" >> ./tmp0
 	@echo "set host_triplet ${host_canonical}" >> ./tmp0
 	@echo "set target_alias $(target_alias)" >> ./tmp0
 	@echo "set target_triplet ${target_canonical}" >> ./tmp0
diff --git a/gdb/testsuite/aclocal.m4 b/gdb/testsuite/aclocal.m4
index c754fdc..1b10180 100644
--- a/gdb/testsuite/aclocal.m4
+++ b/gdb/testsuite/aclocal.m4
@@ -1,583 +1 @@
-dnl This file is duplicated in four places:
-dnl * gdb/aclocal.m4
-dnl * gdb/testsuite/aclocal.m4
-dnl * expect/aclocal.m4
-dnl * dejagnu/aclocal.m4
-dnl Consider modifying all copies in parallel.
-dnl written by Rob Savoye <rob@cygnus.com> for Cygnus Support
-dnl CYGNUS LOCAL: This gets the right posix flag for gcc
-AC_DEFUN(CY_AC_TCL_LYNX_POSIX,
-[AC_REQUIRE([AC_PROG_CC])AC_REQUIRE([AC_PROG_CPP])
-AC_MSG_CHECKING([to see if this is LynxOS])
-AC_CACHE_VAL(ac_cv_os_lynx,
-[AC_EGREP_CPP(yes,
-[/*
- * The old Lynx "cc" only defines "Lynx", but the newer one uses "__Lynx__"
- */
-#if defined(__Lynx__) || defined(Lynx)
-yes
-#endif
-], ac_cv_os_lynx=yes, ac_cv_os_lynx=no)])
-#
-if test "$ac_cv_os_lynx" = "yes" ; then
-  AC_MSG_RESULT(yes)
-  AC_DEFINE(LYNX)
-  AC_MSG_CHECKING([whether -mposix or -X is available])
-  AC_CACHE_VAL(ac_cv_c_posix_flag,
-  [AC_TRY_COMPILE(,[
-  /*
-   * This flag varies depending on how old the compiler is.
-   * -X is for the old "cc" and "gcc" (based on 1.42).
-   * -mposix is for the new gcc (at least 2.5.8).
-   */
-  #if defined(__GNUC__) && __GNUC__ >= 2
-  choke me
-  #endif
-  ], ac_cv_c_posix_flag=" -mposix", ac_cv_c_posix_flag=" -X")])
-  CC="$CC $ac_cv_c_posix_flag"
-  AC_MSG_RESULT($ac_cv_c_posix_flag)
-  else
-  AC_MSG_RESULT(no)
-fi
-])
-
-AC_DEFUN(CY_AC_PATH_TCLH, [
-#
-# Ok, lets find the tcl source trees so we can use the headers
-# Warning: transition of version 9 to 10 will break this algorithm
-# because 10 sorts before 9. We also look for just tcl. We have to
-# be careful that we don't match stuff like tclX by accident.
-# the alternative search directory is involked by --with-tclinclude
-#
-no_tcl=true
-AC_MSG_CHECKING(for Tcl private headers)
-AC_ARG_WITH(tclinclude, [  --with-tclinclude       directory where tcl private headers are], with_tclinclude=${withval})
-AC_CACHE_VAL(ac_cv_c_tclh,[
-# first check to see if --with-tclinclude was specified
-if test x"${with_tclinclude}" != x ; then
-  if test -f ${with_tclinclude}/tclInt.h ; then
-    ac_cv_c_tclh=`(cd ${with_tclinclude}; pwd)`
-  else
-    AC_MSG_ERROR([${with_tclinclude} directory doesn't contain private headers])
-  fi
-fi
-# next check in private source directory
-#
-# since ls returns lowest version numbers first, reverse its output
-if test x"${ac_cv_c_tclh}" = x ; then
-  for i in \
-		${srcdir}/../tcl \
-		`ls -dr ${srcdir}/../tcl[[0-9]]* 2>/dev/null` \
-		${srcdir}/../../tcl \
-		`ls -dr ${srcdir}/../../tcl[[0-9]]* 2>/dev/null` \
-		${srcdir}/../../../tcl \
-		`ls -dr ${srcdir}/../../../tcl[[0-9]]* 2>/dev/null ` ; do
-    if test -f $i/tclInt.h ; then
-      ac_cv_c_tclh=`(cd $i; pwd)`
-      break
-    fi
-    # Tcl 7.5 and greater puts headers in subdirectory.
-    if test -f $i/generic/tclInt.h ; then
-      ac_cv_c_tclh=`(cd $i; pwd)`/generic
-      break
-    fi
-  done
-fi
-# finally check in a few common install locations
-#
-# since ls returns lowest version numbers first, reverse its output
-if test x"${ac_cv_c_tclh}" = x ; then
-  for i in \
-		`ls -dr /usr/local/src/tcl[[0-9]]* 2>/dev/null` \
-		`ls -dr /usr/local/lib/tcl[[0-9]]* 2>/dev/null` \
-		/usr/local/src/tcl \
-		/usr/local/lib/tcl \
-		${prefix}/include ; do
-    if test -f $i/tclInt.h ; then
-      ac_cv_c_tclh=`(cd $i; pwd)`
-      break
-    fi
-  done
-fi
-# see if one is installed
-if test x"${ac_cv_c_tclh}" = x ; then
-   AC_HEADER_CHECK(tclInt.h, ac_cv_c_tclh=installed, ac_cv_c_tclh="")
-fi
-])
-if test x"${ac_cv_c_tclh}" = x ; then
-  TCLHDIR="# no Tcl private headers found"
-  AC_MSG_ERROR([Can't find Tcl private headers])
-fi
-if test x"${ac_cv_c_tclh}" != x ; then
-  no_tcl=""
-  if test x"${ac_cv_c_tclh}" = x"installed" ; then
-    AC_MSG_RESULT([is installed])
-    TCLHDIR=""
-  else
-    AC_MSG_RESULT([found in ${ac_cv_c_tclh}])
-    # this hack is cause the TCLHDIR won't print if there is a "-I" in it.
-    TCLHDIR="-I${ac_cv_c_tclh}"
-  fi
-fi
-
-AC_MSG_CHECKING([Tcl version])
-orig_includes="$CPPFLAGS"
-
-if test x"${TCLHDIR}" != x ; then
-  CPPFLAGS="$CPPFLAGS $TCLHDIR"
-fi
-
-# Get major and minor versions of Tcl.  Use funny names to avoid
-# clashes with eg SunOS.
-cat > conftest.c <<'EOF'
-#include "tcl.h"
-MaJor = TCL_MAJOR_VERSION
-MiNor = TCL_MINOR_VERSION
-EOF
-
-tclmajor=
-tclminor=
-if (eval "$CPP $CPPFLAGS conftest.c") 2>/dev/null >conftest.out; then
-   # Success.
-   tclmajor=`egrep '^MaJor = ' conftest.out | sed -e 's/^MaJor = *//' -e 's/ *$//'`
-   tclminor=`egrep '^MiNor = ' conftest.out | sed -e 's/^MiNor = *//' -e 's/ *$//'`
-fi
-rm -f conftest.c conftest.out
-
-if test -z "$tclmajor" || test -z "$tclminor"; then
-   AC_MSG_RESULT([fatal error: could not find major or minor version number of Tcl])
-   exit 1
-fi
-AC_MSG_RESULT(${tclmajor}.${tclminor})
-
-CPPFLAGS="${orig_includes}"
-
-AC_PROVIDE([$0])
-AC_SUBST(TCLHDIR)
-])
-AC_DEFUN(CY_AC_PATH_TCLLIB, [
-#
-# Ok, lets find the tcl library
-# First, look for one uninstalled.  
-# the alternative search directory is invoked by --with-tcllib
-#
-
-if test $tclmajor -ge 7 -a $tclminor -ge 4 ; then
-  installedtcllibroot=tcl$tclversion
-else
-  installedtcllibroot=tcl
-fi
-
-if test x"${no_tcl}" = x ; then
-  # we reset no_tcl incase something fails here
-  no_tcl=true
-  AC_ARG_WITH(tcllib, [  --with-tcllib           directory where the tcl library is],
-         with_tcllib=${withval})
-  AC_MSG_CHECKING([for Tcl library])
-  AC_CACHE_VAL(ac_cv_c_tcllib,[
-  # First check to see if --with-tcllib was specified.
-  # This requires checking for both the installed and uninstalled name-styles
-  # since we have no idea if it's installed or not.
-  if test x"${with_tcllib}" != x ; then
-    if test -f "${with_tcllib}/lib$installedtcllibroot.so" ; then
-      ac_cv_c_tcllib=`(cd ${with_tcllib}; pwd)`/lib$installedtcllibroot.so
-    elif test -f "${with_tcllib}/libtcl.so" ; then
-      ac_cv_c_tcllib=`(cd ${with_tcllib}; pwd)`/libtcl.so
-    # then look for a freshly built statically linked library
-    # if Makefile exists we assume its configured and libtcl will be built first.
-    elif test -f "${with_tcllib}/lib$installedtcllibroot.a" ; then
-      ac_cv_c_tcllib=`(cd ${with_tcllib}; pwd)`/lib$installedtcllibroot.a
-    elif test -f "${with_tcllib}/libtcl.a" ; then
-      ac_cv_c_tcllib=`(cd ${with_tcllib}; pwd)`/libtcl.a
-    else
-      AC_MSG_ERROR([${with_tcllib} directory doesn't contain libraries])
-    fi
-  fi
-  # then check for a private Tcl library
-  # Since these are uninstalled, use the simple lib name root.
-  if test x"${ac_cv_c_tcllib}" = x ; then
-    for i in \
-		../tcl \
-		`ls -dr ../tcl[[0-9]]* 2>/dev/null` \
-		../../tcl \
-		`ls -dr ../../tcl[[0-9]]* 2>/dev/null` \
-		../../../tcl \
-		`ls -dr ../../../tcl[[0-9]]* 2>/dev/null` ; do
-      # Tcl 7.5 and greater puts library in subdir.  Look there first.
-      if test -f "$i/unix/libtcl.so" ; then
-	 ac_cv_c_tcllib=`(cd $i; pwd)`/unix/libtcl.so
-	 break
-      elif test -f "$i/unix/libtcl.a" -o -f "$i/unix/Makefile"; then
-	 ac_cv_c_tcllib=`(cd $i; pwd)`/unix/libtcl.a
-	 break
-      # look for a freshly built dynamically linked library
-      elif test -f "$i/libtcl.so" ; then
-        ac_cv_c_tcllib=`(cd $i; pwd)`/libtcl.so
-	break
-
-      # then look for a freshly built statically linked library
-      # if Makefile exists we assume its configured and libtcl will be
-      # built first.
-      elif test -f "$i/libtcl.a" -o -f "$i/Makefile" ; then
-        ac_cv_c_tcllib=`(cd $i; pwd)`/libtcl.a
-	break
-      fi
-    done
-  fi
-  # check in a few common install locations
-  if test x"${ac_cv_c_tcllib}" = x ; then
-    for i in `ls -d ${prefix}/lib /usr/local/lib 2>/dev/null` ; do
-      # first look for a freshly built dynamically linked library
-      if test -f "$i/lib$installedtcllibroot.so" ; then
-        ac_cv_c_tcllib=`(cd $i; pwd)`/lib$installedtcllibroot.so
-	break
-      # then look for a freshly built statically linked library
-      # if Makefile exists we assume its configured and libtcl will be built first.
-      elif test -f "$i/lib$installedtcllibroot.a" -o -f "$i/Makefile" ; then
-        ac_cv_c_tcllib=`(cd $i; pwd)`/lib$installedtcllibroot.a
-	break
-      fi
-    done
-  fi
-  # check in a few other private locations
-  if test x"${ac_cv_c_tcllib}" = x ; then
-    for i in \
-		${srcdir}/../tcl \
-		`ls -dr ${srcdir}/../tcl[[0-9]]* 2>/dev/null` ; do
-      # Tcl 7.5 and greater puts library in subdir.  Look there first.
-      if test -f "$i/unix/libtcl.so" ; then
-	 ac_cv_c_tcllib=`(cd $i; pwd)`/unix/libtcl.so
-	 break
-      elif test -f "$i/unix/libtcl.a" -o -f "$i/unix/Makefile"; then
-	 ac_cv_c_tcllib=`(cd $i; pwd)`/unix/libtcl.a
-	 break
-      # look for a freshly built dynamically linked library
-      elif test -f "$i/libtcl.so" ; then
-        ac_cv_c_tcllib=`(cd $i; pwd)`/libtcl.so
-	break
-
-      # then look for a freshly built statically linked library
-      # if Makefile exists we assume its configured and libtcl will be
-      # built first.
-      elif test -f "$i/libtcl.a" -o -f "$i/Makefile" ; then
-        ac_cv_c_tcllib=`(cd $i; pwd)`/libtcl.a
-	break
-      fi
-    done
-  fi
-
-  # see if one is conveniently installed with the compiler
-  if test x"${ac_cv_c_tcllib}" = x ; then	
-    orig_libs="$LIBS"
-    LIBS="$LIBS -l$installedtcllibroot -lm"    
-    AC_TRY_RUN([
-    Tcl_AppInit()
-    { exit(0); }], ac_cv_c_tcllib="-l$installedtcllibroot", ac_cv_c_tcllib=""
-    , ac_cv_c_tclib="-l$installedtcllibroot")
-    LIBS="${orig_libs}"
-   fi
-  ])
-  if test x"${ac_cv_c_tcllib}" = x ; then
-    TCLLIB="# no Tcl library found"
-    AC_MSG_WARN(Can't find Tcl library)
-  else
-    TCLLIB=${ac_cv_c_tcllib}
-    AC_MSG_RESULT(found $TCLLIB)
-    no_tcl=
-  fi
-fi
-
-AC_PROVIDE([$0])
-AC_SUBST(TCLLIB)
-])
-AC_DEFUN(CY_AC_PATH_TKH, [
-#
-# Ok, lets find the tk source trees so we can use the headers
-# If the directory (presumably symlink) named "tk" exists, use that one
-# in preference to any others.  Same logic is used when choosing library
-# and again with Tcl. The search order is the best place to look first, then in
-# decreasing significance. The loop breaks if the trigger file is found.
-# Note the gross little conversion here of srcdir by cd'ing to the found
-# directory. This converts the path from a relative to an absolute, so
-# recursive cache variables for the path will work right. We check all
-# the possible paths in one loop rather than many seperate loops to speed
-# things up.
-# the alternative search directory is invoked by --with-tkinclude
-#
-AC_MSG_CHECKING(for Tk private headers)
-AC_ARG_WITH(tkinclude, [  --with-tkinclude        directory where the tk private headers are],
-            with_tkinclude=${withval})
-no_tk=true
-AC_CACHE_VAL(ac_cv_c_tkh,[
-# first check to see if --with-tkinclude was specified
-if test x"${with_tkinclude}" != x ; then
-  if test -f ${with_tkinclude}/tk.h ; then
-    ac_cv_c_tkh=`(cd ${with_tkinclude}; pwd)`
-  else
-    AC_MSG_ERROR([${with_tkinclude} directory doesn't contain private headers])
-  fi
-fi
-# next check in private source directory
-#
-# since ls returns lowest version numbers first, reverse the entire list
-# and search for the worst fit, overwriting it with better fits as we find them
-if test x"${ac_cv_c_tkh}" = x ; then
-  for i in \
-		${srcdir}/../tk \
-		`ls -dr ${srcdir}/../tk[[0-9]]* 2>/dev/null` \
-		${srcdir}/../../tk \
-		`ls -dr ${srcdir}/../../tk[[0-9]]* 2>/dev/null` \
-		${srcdir}/../../../tk \
-		`ls -dr ${srcdir}/../../../tk[[0-9]]* 2>/dev/null ` ; do
-    if test -f $i/tk.h ; then
-      ac_cv_c_tkh=`(cd $i; pwd)`
-      break
-    fi
-    # Tk 4.1 and greater puts this in a subdir.
-    if test -f $i/generic/tk.h; then
-       ac_cv_c_tkh=`(cd $i; pwd)`/generic
-    fi
-  done
-fi
-# finally check in a few common install locations
-#
-# since ls returns lowest version numbers first, reverse the entire list
-# and search for the worst fit, overwriting it with better fits as we find them
-if test x"${ac_cv_c_tkh}" = x ; then
-  for i in \
-		`ls -dr /usr/local/src/tk[[0-9]]* 2>/dev/null` \
-		`ls -dr /usr/local/lib/tk[[0-9]]* 2>/dev/null` \
-		/usr/local/src/tk \
-		/usr/local/lib/tk \
-		${prefix}/include ; do
-    if test -f $i/tk.h ; then
-      ac_cv_c_tkh=`(cd $i; pwd)`
-      break
-    fi
-  done
-fi
-# see if one is installed
-if test x"${ac_cv_c_tkh}" = x ; then
-  AC_HEADER_CHECK(tk.h, ac_cv_c_tkh=installed)
-fi
-])
-if test x"${ac_cv_c_tkh}" != x ; then
-  no_tk=""
-  if test x"${ac_cv_c_tkh}" = x"installed" ; then
-    AC_MSG_RESULT([is installed])
-    TKHDIR=""
-  else
-    AC_MSG_RESULT([found in $ac_cv_c_tkh])
-    # this hack is cause the TKHDIR won't print if there is a "-I" in it.
-    TKHDIR="-I${ac_cv_c_tkh}"
-  fi
-else
-  TKHDIR="# no Tk directory found"
-  AC_MSG_WARN([Can't find Tk private headers])
-  no_tk=true
-fi
-
-# if Tk is installed, extract the major/minor version
-if test x"${no_tk}" = x ; then
-AC_MSG_CHECKING([Tk version])
-orig_includes="$CPPFLAGS"
-
-if test x"${TCLHDIR}" != x ; then
-  CPPFLAGS="$CPPFLAGS $TCLHDIR"
-fi
-if test x"${TKHDIR}" != x ; then
-  CPPFLAGS="$CPPFLAGS $TKHDIR"
-fi
-if test x"${x_includes}" != x -a x"${x_includes}" != xNONE ; then
-  CPPFLAGS="$CPPFLAGS -I$x_includes"
-fi
-
-# Get major and minor versions of Tk.  Use funny names to avoid
-# clashes with eg SunOS.
-cat > conftest.c <<'EOF'
-#include "tk.h"
-MaJor = TK_MAJOR_VERSION
-MiNor = TK_MINOR_VERSION
-EOF
-
-tkmajor=
-tkminor=
-if (eval "$CPP $CPPFLAGS conftest.c") 2>/dev/null >conftest.out; then
-   # Success.
-   tkmajor=`egrep '^MaJor = ' conftest.out | sed -e 's/^MaJor = *//' -e 's/ *$//'`
-   tkminor=`egrep '^MiNor = ' conftest.out | sed -e 's/^MiNor = *//' -e 's/ *$//'`
-fi
-rm -f conftest.c conftest.out
-
-if test -z "$tkmajor" || test -z "$tkminor"; then
-   AC_MSG_RESULT([fatal error: could not find major or minor version number of Tk])
-   exit 1
-fi
-AC_MSG_RESULT(${tkmajor}.${tkminor})
-
-CPPFLAGS="${orig_includes}"
-fi
-
-AC_PROVIDE([$0])
-AC_SUBST(TKHDIR)
-])
-AC_DEFUN(CY_AC_PATH_TKLIB, [
-AC_REQUIRE([CY_AC_PATH_TCL])
-#
-# Ok, lets find the tk library
-# First, look for the latest private (uninstalled) copy
-# Notice that the destinations in backwards priority since the tests have
-# no break.
-# Then we look for either .a, .so, or Makefile.  A Makefile is acceptable
-# is it indicates the target has been configured and will (probably)
-# soon be built.  This allows an entire tree of Tcl software to be
-# configured at once and then built.
-# the alternative search directory is invoked by --with-tklib
-#
-
-if test x"${no_tk}" = x ; then
-  # reset no_tk incase something fails here
-  no_tk="true"
-
-  if test $tkmajor -ge 4 ; then
-    installedtklibroot=tk$tkversion
-  else
-    installedtkllibroot=tk
-  fi
-
-  AC_ARG_WITH(tklib, [  --with-tklib            directory where the tk library is],
-              with_tklib=${withval})
-  AC_MSG_CHECKING([for Tk library])
-  AC_CACHE_VAL(ac_cv_c_tklib,[
-  # first check to see if --with-tklib was specified
-  # This requires checking for both the installed and uninstalled name-styles
-  # since we have no idea if it's installed or not.
-  if test x"${with_tklib}" != x ; then
-    if test -f "${with_tklib}/lib$installedtklibroot.so" ; then
-      ac_cv_c_tklib=`(cd ${with_tklib}; pwd)`/lib$installedtklibroot.so
-      no_tk=""
-    elif test -f "${with_tklib}/libtk.so" ; then
-      ac_cv_c_tklib=`(cd ${with_tklib}; pwd)`/libtk.so
-      no_tk=""
-    # then look for a freshly built statically linked library
-    # if Makefile exists we assume its configured and libtk will be built
-    elif test -f "${with_tklib}/lib$installedtklibroot.a" ; then
-      ac_cv_c_tklib=`(cd ${with_tklib}; pwd)`/lib$installedtklibroot.a
-      no_tk=""
-    elif test -f "${with_tklib}/libtk.a" ; then
-      ac_cv_c_tklib=`(cd ${with_tklib}; pwd)`/libtk.a
-      no_tk=""
-    else
-      AC_MSG_ERROR([${with_tklib} directory doesn't contain libraries])
-    fi
-  fi
-  # then check for a private Tk library
-  # Since these are uninstalled, use the simple lib name root.
-  if test x"${ac_cv_c_tklib}" = x ; then
-    for i in \
-		../tk \
-		`ls -dr ../tk[[0-9]]* 2>/dev/null` \
-		../../tk \
-		`ls -dr ../../tk[[0-9]]* 2>/dev/null` \
-		../../../tk \
-		`ls -dr ../../../tk[[0-9]]* 2>/dev/null` ; do
-      # Tk 4.1 and greater puts things in subdirs.  Check these first.
-      if test -f "$i/unix/libtk.so" ; then
-	 ac_cv_c_tklib=`(cd $i; pwd)`/unix/libtk.so
-	 no_tk=
-	 break
-      elif test -f "$i/unix/libtk.a" -o -f "$i/unix/Makefile"; then
-	 ac_cv_c_tklib=`(cd $i; pwd)`/unix/libtk.a
-	 no_tk=
-	 break
-      # look for a freshly built dynamically linked library
-      elif test -f "$i/libtk.so" ; then
-        ac_cv_c_tklib=`(cd $i; pwd)`/libtk.so
-        no_tk=
-	break
-      # then look for a freshly built statically linked library
-      # if Makefile exists we assume its configured and libtk will be built 
-      elif test -f "$i/libtk.a" -o -f "$i/Makefile" ; then
-        ac_cv_c_tklib=`(cd $i; pwd)`/libtk.a
-        no_tk=""
- 	break
-      fi
-    done
-  fi
-  # finally check in a few common install locations
-  if test x"${ac_cv_c_tklib}" = x ; then
-    for i in `ls -d ${prefix}/lib /usr/local/lib 2>/dev/null` ; do
-      # first look for a freshly built dynamically linked library
-      if test -f "$i/lib$installedtklibroot.so" ; then
-        ac_cv_c_tklib=`(cd $i; pwd)`/lib$installedtklibroot.so
-        no_tk=""
-	break
-      # then look for a freshly built statically linked library
-      # if Makefile exists, we assume it's configured and libtcl will be built 
-      elif test -f "$i/lib$installedtklibroot.a" -o -f "$i/Makefile" ; then
-        ac_cv_c_tklib=`(cd $i; pwd)`/lib$installedtklibroot.a
-        no_tk=""
- 	break
-      fi
-    done
-  fi
-  # check in a few other private locations
-  if test x"${ac_cv_c_tklib}" = x ; then
-    for i in \
-		${srcdir}/../tk \
-		`ls -dr ${srcdir}/../tk[[0-9]]* 2>/dev/null` ; do
-      # Tk 4.1 and greater puts things in subdirs.  Check these first.
-      if test -f "$i/unix/libtk.so" ; then
-	 ac_cv_c_tklib=`(cd $i; pwd)`/unix/libtk.so
-	 no_tk=
-	 break
-      elif test -f "$i/unix/libtk.a" -o -f "$i/unix/Makefile"; then
-	 ac_cv_c_tcllib=`(cd $i; pwd)`/unix/libtk.a
-	 no_tk=
-	 break
-      # look for a freshly built dynamically linked library
-      elif test -f "$i/libtk.so" ; then
-        ac_cv_c_tklib=`(cd $i; pwd)`/libtk.so
-        no_tk=""
-	break
-      # then look for a freshly built statically linked library
-      # if Makefile exists, we assume it's configured and libtcl will be built 
-      elif test -f "$i/libtk.a" -o -f "$i/Makefile" ; then
-        ac_cv_c_tklib=`(cd $i; pwd)`/libtk.a
-        no_tk=""
- 	break
-      fi
-    done
-  fi
-  # see if one is conveniently installed with the compiler
-  if test x"${ac_cv_c_tklib}" = x ; then
-       AC_REQUIRE([AC_PATH_X])
-       orig_libs="$LIBS"
-       LIBS="$LIBS -l$installedtklibroot $x_libraries $ac_cv_c_tcllib -lm"    
-       AC_TRY_RUN([
-       Tcl_AppInit()
-       { exit(0); }], ac_cv_c_tklib="-l$installedtklibroot", ac_cv_c_tklib=""
-       , ac_cv_c_tklib="-l$installedtklibroot")
-       LIBS="${orig_libs}"
-   fi
-  ])
-  if test x"${ac_cv_c_tklib}" = x ; then
-    TKLIB="# no Tk library found"
-    AC_MSG_WARN(Can't find Tk library)
-  else
-    TKLIB=$ac_cv_c_tklib
-    AC_MSG_RESULT(found $TKLIB)
-    no_tk=
-  fi
-fi
-AC_PROVIDE([$0])
-AC_SUBST(TKLIB)
-])
-AC_DEFUN(CY_AC_PATH_TK, [
-  CY_AC_PATH_TKH
-  CY_AC_PATH_TKLIB
-])
-AC_DEFUN(CY_AC_PATH_TCL, [
-  CY_AC_PATH_TCLH
-  CY_AC_PATH_TCLLIB
-])
+sinclude(../../config/acx.m4)
diff --git a/gdb/testsuite/configure b/gdb/testsuite/configure
index fbf77b5..3370ef0 100755
--- a/gdb/testsuite/configure
+++ b/gdb/testsuite/configure
@@ -312,7 +312,7 @@ ac_includes_default="\
 # include <unistd.h>
 #endif"
 
-ac_subst_vars='SHELL PATH_SEPARATOR PACKAGE_NAME PACKAGE_TARNAME PACKAGE_VERSION PACKAGE_STRING PACKAGE_BUGREPORT exec_prefix prefix program_transform_name bindir sbindir libexecdir datadir sysconfdir sharedstatedir localstatedir libdir includedir oldincludedir infodir mandir build_alias host_alias target_alias DEFS ECHO_C ECHO_N ECHO_T LIBS build build_cpu build_vendor build_os host host_cpu host_vendor host_os target target_cpu target_vendor target_os subdirs RPATH_ENVVAR CC CFLAGS LDFLAGS CPPFLAGS ac_ct_CC EXEEXT OBJEXT CPP EGREP LIBOBJS LTLIBOBJS'
+ac_subst_vars='SHELL PATH_SEPARATOR PACKAGE_NAME PACKAGE_TARNAME PACKAGE_VERSION PACKAGE_STRING PACKAGE_BUGREPORT exec_prefix prefix program_transform_name bindir sbindir libexecdir datadir sysconfdir sharedstatedir localstatedir libdir includedir oldincludedir infodir mandir build_alias host_alias target_alias DEFS ECHO_C ECHO_N ECHO_T LIBS build build_cpu build_vendor build_os host host_cpu host_vendor host_os target target_cpu target_vendor target_os target_noncanonical subdirs RPATH_ENVVAR CC CFLAGS LDFLAGS CPPFLAGS ac_ct_CC EXEEXT OBJEXT CPP EGREP LIBOBJS LTLIBOBJS'
 ac_subst_files=''
 
 # Initialize some variables set by options.
@@ -956,7 +956,7 @@ esac
     else
       echo "$as_me: WARNING: no configuration information is in $ac_dir" >&2
     fi
-    cd "$ac_popdir"
+    cd $ac_popdir
   done
 fi
 
@@ -1412,6 +1412,24 @@ test -n "$target_alias" &&
     NONENONEs,x,x, &&
   program_prefix=${target_alias}-
 
+ case ${build_alias} in
+  "") build_noncanonical=${build} ;;
+  *) build_noncanonical=${build_alias} ;;
+esac
+
+ case ${host_alias} in
+  "") host_noncanonical=${build_noncanonical} ;;
+  *) host_noncanonical=${host_alias} ;;
+esac
+
+ case ${target_alias} in
+  "") target_noncanonical=${host_noncanonical} ;;
+  *) target_noncanonical=${target_alias} ;;
+esac
+
+
+
+
 # Add HP-specific tests when appropriate.
 case $target in
   hppa*-*-hpux*)
@@ -2080,7 +2098,8 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
   cat conftest.err >&5
   echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); } &&
-	 { ac_try='test -z "$ac_c_werror_flag"			 || test ! -s conftest.err'
+	 { ac_try='test -z "$ac_c_werror_flag"
+			 || test ! -s conftest.err'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
@@ -2138,7 +2157,8 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
   cat conftest.err >&5
   echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); } &&
-	 { ac_try='test -z "$ac_c_werror_flag"			 || test ! -s conftest.err'
+	 { ac_try='test -z "$ac_c_werror_flag"
+			 || test ! -s conftest.err'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
@@ -2254,7 +2274,8 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
   cat conftest.err >&5
   echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); } &&
-	 { ac_try='test -z "$ac_c_werror_flag"			 || test ! -s conftest.err'
+	 { ac_try='test -z "$ac_c_werror_flag"
+			 || test ! -s conftest.err'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
@@ -2308,7 +2329,8 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
   cat conftest.err >&5
   echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); } &&
-	 { ac_try='test -z "$ac_c_werror_flag"			 || test ! -s conftest.err'
+	 { ac_try='test -z "$ac_c_werror_flag"
+			 || test ! -s conftest.err'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
@@ -2353,7 +2375,8 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
   cat conftest.err >&5
   echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); } &&
-	 { ac_try='test -z "$ac_c_werror_flag"			 || test ! -s conftest.err'
+	 { ac_try='test -z "$ac_c_werror_flag"
+			 || test ! -s conftest.err'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
@@ -2397,7 +2420,8 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
   cat conftest.err >&5
   echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); } &&
-	 { ac_try='test -z "$ac_c_werror_flag"			 || test ! -s conftest.err'
+	 { ac_try='test -z "$ac_c_werror_flag"
+			 || test ! -s conftest.err'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
@@ -2720,7 +2744,8 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
   cat conftest.err >&5
   echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); } &&
-	 { ac_try='test -z "$ac_c_werror_flag"			 || test ! -s conftest.err'
+	 { ac_try='test -z "$ac_c_werror_flag"
+			 || test ! -s conftest.err'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
@@ -2890,7 +2915,8 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
   cat conftest.err >&5
   echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); } &&
-	 { ac_try='test -z "$ac_c_werror_flag"			 || test ! -s conftest.err'
+	 { ac_try='test -z "$ac_c_werror_flag"
+			 || test ! -s conftest.err'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
@@ -2957,7 +2983,8 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
   cat conftest.err >&5
   echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); } &&
-	 { ac_try='test -z "$ac_c_werror_flag"			 || test ! -s conftest.err'
+	 { ac_try='test -z "$ac_c_werror_flag"
+			 || test ! -s conftest.err'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
@@ -3736,6 +3763,7 @@ s,@target@,$target,;t t
 s,@target_cpu@,$target_cpu,;t t
 s,@target_vendor@,$target_vendor,;t t
 s,@target_os@,$target_os,;t t
+s,@target_noncanonical@,$target_noncanonical,;t t
 s,@subdirs@,$subdirs,;t t
 s,@RPATH_ENVVAR@,$RPATH_ENVVAR,;t t
 s,@CC@,$CC,;t t
@@ -3911,6 +3939,11 @@ esac
 
 
 
+  if test x"$ac_file" != x-; then
+    { echo "$as_me:$LINENO: creating $ac_file" >&5
+echo "$as_me: creating $ac_file" >&6;}
+    rm -f "$ac_file"
+  fi
   # Let's still pretend it is `configure' which instantiates (i.e., don't
   # use $as_me), people would be surprised to read:
   #    /* config.h.  Generated by config.status.  */
@@ -3949,12 +3982,6 @@ echo "$as_me: error: cannot find input file: $f" >&2;}
 	 fi;;
       esac
     done` || { (exit 1); exit 1; }
-
-  if test x"$ac_file" != x-; then
-    { echo "$as_me:$LINENO: creating $ac_file" >&5
-echo "$as_me: creating $ac_file" >&6;}
-    rm -f "$ac_file"
-  fi
 _ACEOF
 cat >>$CONFIG_STATUS <<_ACEOF
   sed "$ac_vpsub
@@ -4186,7 +4213,7 @@ echo "$as_me: error: $ac_sub_configure failed for $ac_dir" >&2;}
    { (exit 1); exit 1; }; }
     fi
 
-    cd "$ac_popdir"
+    cd $ac_popdir
   done
 fi
 
diff --git a/gdb/testsuite/configure.ac b/gdb/testsuite/configure.ac
index 0c89789..15369d3 100644
--- a/gdb/testsuite/configure.ac
+++ b/gdb/testsuite/configure.ac
@@ -26,6 +26,8 @@ AC_CANONICAL_BUILD
 AC_CANONICAL_HOST
 AC_CANONICAL_TARGET
 
+ACX_NONCANONICAL_TARGET
+
 # Add HP-specific tests when appropriate.
 case $target in
   hppa*-*-hpux*)
diff --git a/gdb/testsuite/lib/gdb.exp b/gdb/testsuite/lib/gdb.exp
index eca2a50..86f9a6c 100644
--- a/gdb/testsuite/lib/gdb.exp
+++ b/gdb/testsuite/lib/gdb.exp
@@ -1509,6 +1509,9 @@ proc gdb_compile {source dest type options} {
 	set options [lreplace $options $nowarnings $nowarnings $flag]
     }
 
+#    # Make sure the target directory exists, in case the testsuite
+#    # was not configured.
+
     set result [target_compile $source $dest $type $options];
     regsub "\[\r\n\]*$" "$result" "" result;
     regsub "^\[\r\n\]*" "$result" "" result;