Merge GDB 7.5.1

configure.ac

 #   Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000,
-#   2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011
+#   2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012
 #   Free Software Foundation, Inc.
 #
 # This file is free software; you can redistribute it and/or modify it
 # under the terms of the GNU General Public License as published by
 # the Free Software Foundation; either version 3 of the License, or
 # (at your option) any later version.
 #
 # This program is distributed in the hope that it will be useful, but
 # WITHOUT ANY WARRANTY; without even the implied warranty of
 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
@@ skipping 92 matching lines @@
 fi
 
 topsrcdir=$srcpwd
 
 extra_host_args=
 
 ### To add a new directory to the tree, first choose whether it is a target
 ### or a host dependent tool.  Then put it into the appropriate list
 ### (library or tools, host or target), doing a dependency sort.
 
-# Subdirs will be configured in the order listed in build_configdirs, 
+# Subdirs will be configured in the order listed in build_configdirs,
 # configdirs, or target_configdirs; see the serialization section below.
 
-# Dependency sorting is only needed when *configuration* must be done in 
-# a particular order.  In all cases a dependency should be specified in 
+# Dependency sorting is only needed when *configuration* must be done in
+# a particular order.  In all cases a dependency should be specified in
 # the Makefile, whether or not it's implicitly specified here.
 
 # Double entries in build_configdirs, configdirs, or target_configdirs may
 # cause circular dependencies and break everything horribly.
 
 # these library is used by various programs built for the build
 # environment
 #
 build_libs="build-libiberty"
 
@@ skipping 72 matching lines @@
 
 # This gets set non-empty for some net releases of packages.
 appdirs=""
 
 # Define is_cross_compiler to save on calls to 'test'.
 is_cross_compiler=
 if test x"${host}" = x"${target}" ; then
   is_cross_compiler=no
 else
   is_cross_compiler=yes
-fi      
+fi
 
 # Find the build and target subdir names.
 GCC_TOPLEV_SUBDIRS
 # Be sure to cover against remnants of an in-tree build.
 if test $srcdir != .  && test -d $srcdir/host-${host_noncanonical}; then
   AC_MSG_ERROR([building out of tree but $srcdir contains host-${host_noncanonical}.
 Use a pristine source tree when building in a separate tree])
 fi
 
 # Skipdirs are removed silently.
@@ skipping 15 matching lines @@
   noconfigdirs="$noconfigdirs gas"
 fi
 
 use_included_zlib=
 # Make sure we don't let ZLIB be added if we didn't want it.
 if test x$with_system_zlib = xyes ; then
   use_included_zlib=no
   noconfigdirs="$noconfigdirs zlib"
 fi
 
-# some tools are so dependent upon X11 that if we're not building with X, 
+# some tools are so dependent upon X11 that if we're not building with X,
 # it's not even worth trying to configure, much less build, that tool.
 
 case ${with_x} in
   yes | "") ;; # the default value for this tree is that X11 is available
   no)
     skipdirs="${skipdirs} tk itcl libgui"
     # We won't be able to build gdbtk without X.
-    enable_gdbtk=no 
+    enable_gdbtk=no
     ;;
   *)  echo "*** bad value \"${with_x}\" for -with-x flag; ignored" 1>&2 ;;
 esac
 
 # Some are only suitable for cross toolchains.
 # Remove these if host=target.
 cross_only="target-libgloss target-newlib target-opcodes"
 
 case $is_cross_compiler in
   no) skipdirs="${skipdirs} ${cross_only}" ;;
@@ skipping 39 matching lines @@
 ENABLE_GOLD=$enableval,
 ENABLE_GOLD=no)
 case "${ENABLE_GOLD}" in
   yes|default)
     # Check for ELF target.
     is_elf=no
     case "${target}" in
       *-*-elf* | *-*-sysv4* | *-*-unixware* | *-*-eabi* | hppa*64*-*-hpux* \
       | *-*-linux* | frv-*-uclinux* | *-*-irix5* | *-*-irix6* \
       | *-*-netbsd* | *-*-openbsd* | *-*-freebsd* | *-*-dragonfly* \
-      | *-*-solaris2* | *-*-nto*)
+      | *-*-solaris2* | *-*-nto* | *-*-nacl*)
         case "${target}" in
           *-*-linux*aout* | *-*-linux*oldld*)
             ;;
           *)
             is_elf=yes
             ;;
         esac
     esac
 
     if test "$is_elf" = "yes"; then
@@ skipping 45 matching lines @@
 
 case "${host}" in
   *-cygwin*)
     configdirs="$configdirs libtermcap" ;;
 esac
 
 # A target can indicate whether a language isn't supported for some reason.
 # Only spaces may be used in this macro; not newlines or tabs.
 unsupported_languages=
 
-# Remove more programs from consideration, based on the host or 
+# Remove more programs from consideration, based on the host or
 # target this usually means that a port of the program doesn't
 # exist yet.
 
 case "${host}" in
   i[[3456789]]86-*-msdosdjgpp*)
     noconfigdirs="$noconfigdirs tcl tk itcl"
     ;;
 esac
 
 
@@ skipping 83 matching lines @@
 fi
 
 # Disable libgomp on non POSIX hosted systems.
 if test x$enable_libgomp = x ; then
     # Enable libgomp by default on hosted POSIX systems.
     case "${target}" in
     *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu)
         ;;
     *-*-netbsd* | *-*-freebsd* | *-*-openbsd* | *-*-dragonfly*)
         ;;
-    *-*-solaris2* | *-*-irix6* | *-*-osf* | *-*-hpux11*)
+    *-*-solaris2* | *-*-hpux11*)
         ;;
     *-*-darwin* | *-*-aix*)
         ;;
     *)
         noconfigdirs="$noconfigdirs target-libgomp"
         ;;
     esac
 fi
 
 # Disable libitm on unsupported systems.
@@ skipping 15 matching lines @@
 # Disable libssp for some systems.
 case "${target}" in
   avr-*-*)
     # No hosted I/O support.
     noconfigdirs="$noconfigdirs target-libssp"
     ;;
   powerpc-*-aix* | rs6000-*-aix*)
     noconfigdirs="$noconfigdirs target-libssp"
     ;;
   rl78-*-*)
-    # Dereferencing -1 is a compile-time error
+    # libssp uses a misaligned load to trigger a fault, but the RL78
+    # doesn't fault for those - instead, it gives a build-time error
+    # for explicit misaligned loads.
     noconfigdirs="$noconfigdirs target-libssp"
     ;;
 esac
 
 # Disable libstdc++-v3 for some systems.
 case "${target}" in
   *-*-vxworks*)
     # VxWorks uses the Dinkumware C++ library.
     noconfigdirs="$noconfigdirs target-libstdc++-v3"
     ;;
@@ skipping 29 matching lines @@
   hppa*-*-hpux*)
     ;;
   i?86-*-*)
     ;;
   ia64*-*-*)
     ;;
   m32r*-*-*)
     ;;
   m68k-*-*)
     ;;
-  mips-sgi-irix6.* | mips*-*-rtems*)
+  mips*-*-rtems*)
     ;;
   mips*-*-linux*)
     ;;
   powerpc*-*-linux*)
     ;;
   powerpc-*-darwin*)
     ;;
   powerpc-*-aix* | rs6000-*-aix*)
     ;;
   powerpc-*-freebsd*)
@@ skipping 95 matching lines @@
   mmix-*-*)
     noconfigdirs="$noconfigdirs target-libffi target-boehm-gc"
     ;;
   powerpc-*-aix*)
     # copied from rs6000-*-* entry
     noconfigdirs="$noconfigdirs ${libgcj}"
     ;;
   rs6000-*-aix*)
     noconfigdirs="$noconfigdirs ${libgcj}"
     ;;
-  mips*-*-irix6*)
-    # Linking libjava exceeds command-line length limits on at least
-    # IRIX 6.2, but not on IRIX 6.5.
-    # Also, boehm-gc won't build on IRIX 6.5, according to Jeffrey Oldham
-    # <oldham@codesourcery.com>
-    noconfigdirs="$noconfigdirs ${libgcj}"
-    ;;
   *-*-lynxos*)
     noconfigdirs="$noconfigdirs ${libgcj}"
-    ;; 
+    ;;
 esac
 
 # Default libgloss CPU subdirectory.
 libgloss_dir="$target_cpu"
 
 case "${target}" in
   sh*-*-pe|mips*-*-pe|*arm-wince-pe)
     libgloss_dir=wince
     ;;
   arm*-*-*)
@@ skipping 64 matching lines @@
     noconfigdirs="$noconfigdirs target-newlib target-libgloss"
     ;;
   *-*-freebsd*)
     noconfigdirs="$noconfigdirs target-newlib target-libgloss"
     ;;
   *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu)
     noconfigdirs="$noconfigdirs target-newlib target-libgloss"
     ;;
   *-*-lynxos*)
     noconfigdirs="$noconfigdirs target-newlib target-libgloss"
-    ;; 
+    ;;
   *-*-mingw*)
     noconfigdirs="$noconfigdirs target-newlib target-libgloss"
     ;;
   *-*-netbsd*)
     noconfigdirs="$noconfigdirs target-newlib target-libgloss"
     ;;
   *-*-netware*)
     noconfigdirs="$noconfigdirs target-newlib target-libgloss"
     ;;
   *-*-tpf*)
@@ skipping 129 matching lines @@
     ;;
   ia64*-*-elf*)
     # No gdb support yet.
     noconfigdirs="$noconfigdirs readline libgui itcl gdb"
     ;;
   ia64*-**-hpux*)
     # No ld support yet.
     noconfigdirs="$noconfigdirs libgui itcl ld"
     ;;
   ia64*-*-*vms*)
-    # No gdb or ld support yet.
-    noconfigdirs="$noconfigdirs readline libgui itcl gdb ld"
+    noconfigdirs="$noconfigdirs libgui itcl"
     ;;
   i[[3456789]]86-w64-mingw*)
     ;;
   i[[3456789]]86-*-mingw*)
     target_configdirs="$target_configdirs target-winsup"
     ;;
   *-*-cygwin*)
     target_configdirs="$target_configdirs target-libtermcap target-winsup"
     noconfigdirs="$noconfigdirs target-libgloss"
     # always build newlib if winsup directory is present.
@@ skipping 133 matching lines @@
     ;;
   *-interix*)
     host_makefile_frag="config/mh-interix"
     ;;
   hppa*-hp-hpux10*)
     host_makefile_frag="config/mh-pa-hpux10"
     ;;
   hppa*-hp-hpux*)
     host_makefile_frag="config/mh-pa"
     ;;
-  hppa*-*)      
+  hppa*-*)
     host_makefile_frag="config/mh-pa"
     ;;
   *-*-darwin*)
     host_makefile_frag="config/mh-darwin"
     ;;
   powerpc-*-aix*)
     host_makefile_frag="config/mh-ppc-aix"
     ;;
   rs6000-*-aix*)
     host_makefile_frag="config/mh-ppc-aix"
@@ skipping 178 matching lines @@
   gmplibs="-L$with_mpfr/lib $gmplibs"
   gmpinc="-I$with_mpfr/include $gmpinc"
 fi
 if test "x$with_mpfr_include" != x; then
   gmpinc="-I$with_mpfr_include $gmpinc"
 fi
 if test "x$with_mpfr_lib" != x; then
   gmplibs="-L$with_mpfr_lib $gmplibs"
 fi
 if test "x$with_mpfr$with_mpfr_include$with_mpfr_lib" = x && test -d ${srcdir}/mpfr; then
-  gmplibs='-L$$r/$(HOST_SUBDIR)/mpfr/'"$lt_cv_objdir $gmplibs"
-  gmpinc='-I$$r/$(HOST_SUBDIR)/mpfr -I$$s/mpfr '"$gmpinc"
-  extra_mpc_mpfr_configure_flags='--with-mpfr-include=$$s/mpfr --with-mpfr-lib=$$r/$(HOST_SUBDIR)/mpfr/'"$lt_cv_objdir"
+  # MPFR v3.1.0 moved the sources into a src sub-directory.
+  if test -d ${srcdir}/mpfr/src; then
+    gmplibs='-L$$r/$(HOST_SUBDIR)/mpfr/src/'"$lt_cv_objdir $gmplibs"
+    gmpinc='-I$$r/$(HOST_SUBDIR)/mpfr/src -I$$s/mpfr/src '"$gmpinc"
+    extra_mpc_mpfr_configure_flags='--with-mpfr-include=$$s/mpfr/src --with-mpfr-lib=$$r/$(HOST_SUBDIR)/mpfr/src/'"$lt_cv_objdir"
+  else
+    gmplibs='-L$$r/$(HOST_SUBDIR)/mpfr/'"$lt_cv_objdir $gmplibs"
+    gmpinc='-I$$r/$(HOST_SUBDIR)/mpfr -I$$s/mpfr '"$gmpinc"
+    extra_mpc_mpfr_configure_flags='--with-mpfr-include=$$s/mpfr --with-mpfr-lib=$$r/$(HOST_SUBDIR)/mpfr/'"$lt_cv_objdir"
+  fi
   # Do not test the mpfr version.  Assume that it is sufficient, since
   # it is in the source tree, and the library has not been built yet
   # but it would be included on the link line in the version check below
   # hence making the test fail.
   have_gmp=yes
 fi
 
 # Specify a location for gmp
 AC_ARG_WITH(gmp-dir,
 [AS_HELP_STRING([--with-gmp-dir=PATH], [this option has been REMOVED])],
@@ skipping 474 matching lines @@
   enabled_target_libs=
   disabled_target_libs=
 
   for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do
     case ${lang_frag} in
       ..) ;;
       # The odd quoting in the next line works around
       # an apparent bug in bash 1.12 on linux.
       ${srcdir}/gcc/[[*]]/config-lang.in) ;;
       *)
-        # From the config-lang.in, get $language, $target_libs, 
+        # From the config-lang.in, get $language, $target_libs,
         # $lang_dirs, $boot_language, and $build_by_default
         language=
         target_libs=
         lang_dirs=
         subdir_requires=
         boot_language=no
         build_by_default=yes
         . ${lang_frag}
         if test x${language} = x; then
           echo "${lang_frag} doesn't set \$language." 1>&2
@@ skipping 224 matching lines @@
     fi
   fi
 done
 
 # Quietly strip out all directories which aren't configurable in this tree.
 # This relies on all configurable subdirectories being autoconfiscated, which
 # is now the case.
 build_configdirs_all="$build_configdirs"
 build_configdirs=
 for i in ${build_configdirs_all} ; do
-  j=`echo $i | sed -e s/build-//g` 
+  j=`echo $i | sed -e s/build-//g`
   if test -f ${srcdir}/$j/configure ; then
     build_configdirs="${build_configdirs} $i"
   fi
 done
 
 configdirs_all="$configdirs"
 configdirs=
 for i in ${configdirs_all} ; do
   if test -f ${srcdir}/$i/configure ; then
     configdirs="${configdirs} $i"
   fi
 done
 
 target_configdirs_all="$target_configdirs"
 target_configdirs=
 for i in ${target_configdirs_all} ; do
-  j=`echo $i | sed -e s/target-//g` 
+  j=`echo $i | sed -e s/target-//g`
   if test -f ${srcdir}/$j/configure ; then
     target_configdirs="${target_configdirs} $i"
   fi
 done
 
 # Produce a warning message for the subdirs we can't configure.
 # This isn't especially interesting in the Cygnus tree, but in the individual
 # FSF releases, it's important to let people know when their machine isn't
 # supported by the one or two programs in a package.
 
@@ skipping 30 matching lines @@
 case "$host" in
   *msdosdjgpp*)
     enable_gdbtk=no ;;
 esac
 
 # To find our prefix, in gcc_cv_tool_prefix.
 ACX_TOOL_DIRS
 
 copy_dirs=
 
-AC_ARG_WITH([build-sysroot], 
+AC_ARG_WITH([build-sysroot],
   [AS_HELP_STRING([--with-build-sysroot=SYSROOT],
                   [use sysroot as the system root during the build])],
   [if test x"$withval" != x ; then
      SYSROOT_CFLAGS_FOR_TARGET="--sysroot=$withval"
    fi],
   [SYSROOT_CFLAGS_FOR_TARGET=])
 AC_SUBST(SYSROOT_CFLAGS_FOR_TARGET)
 
 AC_ARG_WITH([debug-prefix-map],
   [AS_HELP_STRING([--with-debug-prefix-map='A=B C=D ...'],
@@ skipping 10 matching lines @@
 # During gcc bootstrap, if we use some random cc for stage1 then CFLAGS
 # might be empty or "-g".  We don't require a C++ compiler, so CXXFLAGS
 # might also be empty (or "-g", if a non-GCC C++ compiler is in the path).
 # We want to ensure that TARGET libraries (which we know are built with
 # gcc) are built with "-O2 -g", so include those options when setting
 # CFLAGS_FOR_TARGET and CXXFLAGS_FOR_TARGET.
 if test "x$CFLAGS_FOR_TARGET" = x; then
   CFLAGS_FOR_TARGET=$CFLAGS
   case " $CFLAGS " in
     *" -O2 "*) ;;
-    *) CFLAGS_FOR_TARGET="-O2 $CFLAGS" ;;
+    *) CFLAGS_FOR_TARGET="-O2 $CFLAGS_FOR_TARGET" ;;
   esac
   case " $CFLAGS " in
     *" -g "* | *" -g3 "*) ;;
-    *) CFLAGS_FOR_TARGET="-g $CFLAGS" ;;
+    *) CFLAGS_FOR_TARGET="-g $CFLAGS_FOR_TARGET" ;;
   esac
 fi
 AC_SUBST(CFLAGS_FOR_TARGET)
 
 if test "x$CXXFLAGS_FOR_TARGET" = x; then
   CXXFLAGS_FOR_TARGET=$CXXFLAGS
   case " $CXXFLAGS " in
     *" -O2 "*) ;;
-    *) CXXFLAGS_FOR_TARGET="-O2 $CXXFLAGS" ;;
+    *) CXXFLAGS_FOR_TARGET="-O2 $CXXFLAGS_FOR_TARGET" ;;
   esac
   case " $CXXFLAGS " in
     *" -g "* | *" -g3 "*) ;;
-    *) CXXFLAGS_FOR_TARGET="-g $CXXFLAGS" ;;
+    *) CXXFLAGS_FOR_TARGET="-g $CXXFLAGS_FOR_TARGET" ;;
   esac
 fi
 AC_SUBST(CXXFLAGS_FOR_TARGET)
 
 AC_SUBST(LDFLAGS_FOR_TARGET)
 
 # Handle --with-headers=XXX.  If the value is not "yes", the contents of
 # the named directory are copied to $(tooldir)/sys-include.
 if test x"${with_headers}" != x && test x"${with_headers}" != xno ; then
   if test x${is_cross_compiler} = xno ; then
@@ skipping 22 matching lines @@
       copy_dirs="$l $x/${target_noncanonical}/lib ${copy_dirs}"
     done
   fi
 fi
 
 # Set with_gnu_as, with_gnu_ld, and with_system_zlib as appropriate.
 #
 # This is done by determining whether or not the appropriate directory
 # is available, and by checking whether or not specific configurations
 # have requested that this magic not happen.
-# 
-# The command line options always override the explicit settings in 
+#
+# The command line options always override the explicit settings in
 # configure.in, and the settings in configure.in override this magic.
 #
-# If the default for a toolchain is to use GNU as and ld, and you don't 
+# If the default for a toolchain is to use GNU as and ld, and you don't
 # want to do that, then you should use the --without-gnu-as and
 # --without-gnu-ld options for the configure script.  Similarly, if
 # the default is to use the included zlib and you don't want to do that,
 # you should use the --with-system-zlib option for the configure script.
 
 if test x${use_gnu_as} = x &&
    echo " ${configdirs} " | grep " gas " > /dev/null 2>&1 ; then
   with_gnu_as=yes
   extra_host_args="$extra_host_args --with-gnu-as"
 fi
@@ skipping 80 matching lines @@
   mipsisa*-*-elfoabi*)
     target_makefile_frag="config/mt-mips-elfoabi"
     ;;
   mips*-*-*linux* | mips*-*-gnu*)
     target_makefile_frag="config/mt-mips-gnu"
     ;;
   *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu)
     target_makefile_frag="config/mt-gnu"
     ;;
   *-*-aix4.[[3456789]]* | *-*-aix[[56789]].*)
-    # nm and ar from AIX 4.3 and above require -X32_64 flag to all ar and nm 
+    # nm and ar from AIX 4.3 and above require -X32_64 flag to all ar and nm
     # commands to handle both 32-bit and 64-bit objects.  These flags are
     # harmless if we're using GNU nm or ar.
     extra_arflags_for_target=" -X32_64"
     extra_nmflags_for_target=" -B -X32_64"
     ;;
   *-*-darwin[[3-9]]*)
     # ranlib before Darwin10 requires the -c flag to look at common symbols.
     extra_ranlibflags_for_target=" -c"
     ;;
 esac
@@ skipping 21 matching lines @@
   :m32r-* | :d10v-* | :fr30-*)
     ospace_frag="config/mt-ospace"
     ;;
   no:* | :*)
     ;;
   *)
     echo "*** bad value \"${enable_target_optspace}\" for --enable-target-optspace flag; ignored" 1>&2
     ;;
 esac
 
-# Default to using --with-stabs for certain targets.
-if test x${with_stabs} = x ; then
-  case "${target}" in
-  mips*-*-irix[[56]]*)
-    ;;
-  mips*-*-* | alpha*-*-osf*)
-    with_stabs=yes;
-    extra_host_args="${extra_host_args} --with-stabs"
-    ;;
-  esac
-fi
-
 # Some systems (e.g., one of the i386-aix systems the gas testers are
 # using) don't handle "\$" correctly, so don't use it here.
 tooldir='${exec_prefix}'/${target_noncanonical}
 build_tooldir=${tooldir}
 
 # Create a .gdbinit file which runs the one in srcdir
 # and tells GDB to look there for source files.
 
 if test -r ${srcdir}/.gdbinit ; then
   case ${srcdir} in
@@ skipping 12 matching lines @@
 # can't, we are probably in trouble.  We don't care whether we can run the
 # executable--we might be using a cross compiler--we only care whether it
 # can be created.  At this point the main configure script has set CC.
 we_are_ok=no
 echo "int main () { return 0; }" > conftest.c
 ${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c
 if test $? = 0 ; then
   if test -s conftest || test -s conftest.exe ; then
     we_are_ok=yes
   fi
-fi 
+fi
 case $we_are_ok in
   no)
     echo 1>&2 "*** The command '${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c' failed."
     echo 1>&2 "*** You must set the environment variable CC to a working compiler."
     rm -f conftest*
     exit 1
     ;;
 esac
 rm -f conftest*
 
@@ skipping 349 matching lines @@
   esac
 done
 # Remove the initial space we just introduced and, as these will be
 # expanded by make, quote '$'.
 baseargs=`echo "x$baseargs" | sed -e 's/^x *//' -e 's,\\$,$$,g'`
 
 # Add in --program-transform-name, after --program-prefix and
 # --program-suffix have been applied to it.  Autoconf has already
 # doubled dollar signs and backslashes in program_transform_name; we want
 # the backslashes un-doubled, and then the entire thing wrapped in single
-# quotes, because this will be expanded first by make and then by the shell. 
+# quotes, because this will be expanded first by make and then by the shell.
 # Also, because we want to override the logic in subdir configure scripts to
 # choose program_transform_name, replace any s,x,x, with s,y,y,.
 sed -e "s,\\\\\\\\,\\\\,g; s,','\\\\'',g; s/s,x,x,/s,y,y,/" <<EOF_SED > conftestsed.out
 ${program_transform_name}
 EOF_SED
 gcc_transform_name=`cat conftestsed.out`
 rm -f conftestsed.out
 baseargs="$baseargs --program-transform-name='${gcc_transform_name}'"
 tbaseargs="$tbaseargs --program-transform-name='${gcc_transform_name}'"
 if test "$silent" = yes; then
@@ skipping 304 matching lines @@
 NCN_STRICT_CHECK_TOOLS(WINDMC, windmc)
 NCN_STRICT_CHECK_TOOLS(OBJCOPY, objcopy)
 NCN_STRICT_CHECK_TOOLS(OBJDUMP, objdump)
 NCN_STRICT_CHECK_TOOLS(READELF, readelf)
 AC_SUBST(CC)
 AC_SUBST(CXX)
 AC_SUBST(CFLAGS)
 AC_SUBST(CXXFLAGS)
 
 # Target tools.
-AC_ARG_WITH([build-time-tools], 
+AC_ARG_WITH([build-time-tools],
   [AS_HELP_STRING([--with-build-time-tools=PATH],
                   [use given path to find target tools during the build])],
   [case x"$withval" in
      x/*) ;;
      *)
        with_build_time_tools=
        AC_MSG_WARN([argument to --with-build-time-tools must be an absolute path])
        ;;
    esac],
   [with_build_time_tools=])
@@ skipping 84 matching lines @@
       USE_MAINTAINER_MODE=no)
 AC_MSG_RESULT($USE_MAINTAINER_MODE)
 AC_SUBST(MAINTAINER_MODE_TRUE)
 AC_SUBST(MAINTAINER_MODE_FALSE)
 if test "$USE_MAINTAINER_MODE" = yes; then
   MAINTAINER_MODE_TRUE=
   MAINTAINER_MODE_FALSE='#'
 else
   MAINTAINER_MODE_TRUE='#'
   MAINTAINER_MODE_FALSE=
-fi      
+fi
 MAINT=$MAINTAINER_MODE_TRUE
 AC_SUBST(MAINT)dnl
 
 # ---------------------
 # GCC bootstrap support
 # ---------------------
 
 # Stage specific cflags for build.
 stage1_cflags="-g"
 case $build in
@@ skipping 76 matching lines @@
 
 AC_CONFIG_FILES([Makefile],
   [sed "$extrasub_build" Makefile |
    sed "$extrasub_host" |
    sed "$extrasub_target" > mf$$
    mv -f mf$$ Makefile],
   [extrasub_build="$extrasub_build"
    extrasub_host="$extrasub_host"
    extrasub_target="$extrasub_target"])
 AC_OUTPUT