2012-04-19 Pedro Alves <palves@redhat.com>

gdb/
	* Makefile.in (GNULIB_BUILDDIR): New.
	(LIBGNU, INCGNU, GNULIB_H): Adjust.
	(SUBDIRS): Add $(GNULIB_BUILDDIR).
	(CLEANDIRS). Remove gnulib/import.
	(REQUIRED_SUBDIRS): Replace gnulib/import with $(GNULIB_BUILDDIR).
	(all-lib): Ditto.
	(distclean): Remove the $(GNULIB_BUILDDIR) directory.
	(gnulib/import/Makefile): Replace gnulib/import with
	$(GNULIB_BUILDDIR).  Set CONFIG_FILES to just Makefile.
	(ACLOCAL_AMFLAGS): Remove '-I gnulib/import/m4'.
	(aclocal_m4_deps): Remove the gnulib dependencies.  Add
	acx_configure_dir.m4.
	* acinclude.m4: Include acx_configure_dir.m4.
	* acx_configure_dir.m4: New file.
	* aclocal.m4: Regenerate.
        * configure.ac: Remove gl_EARLY, gl_INIT and AM_INIT_AUTOMAKE
        calls.  Configure gnulib using ACX_CONFIGURE_DIR.
        (GNULIB): New variable.
        (GNULIB_STDINT_H): Adjust.
        (AC_OUTPUT): Don't output gnulib/Makefile.
        * gdb/defs.h: Include build-gnulib/config.h.
        * aclocal.m4: Regenerate.
        * config.in: Regenerate.
        * configure: Regenerate.

        * gnulib/Makefile.in: New file.
        * gnulib/configure.ac: New file.
        * gnulib/aclocal.m4: New file.
        * gnulib/config.in: New file.
        * gnulib/configure: New file.
	* gnulib/: Re-run gnulib-tool to adjust.

        gdb/gdbserver/
        * Makefile.in (GNULIB_BUILDDIR): New.
	(LIBGNU, INCGNU, GNULIB_H): Adjust.
        (SUBDIRS, CLEANDIRS, REQUIRED_SUBDIRS): New.
        (all, install-only, uninstall, clean-info, all-lib, clean): No
        longer pass GNULIB_FLAGS_TO_PASS.  Use subdir_do.
        (maintainer-clean realclean distclean): Use subdir_do.
        (subdir_do): New.
        (gnulib/import/Makefile): Adjust.  Replace gnulib/import with
	$(GNULIB_BUILDDIR).  Don't pass argument to config.status.
        * acinclude.m4: Include acx_configure_dir.m4.
        * configure.ac: Remove gl_EARLY, gl_INIT, and AM_INIT_AUTOMAKE
        calls.  Call AC_PROG_RANLIB.  Configure gnulib using
        ACX_CONFIGURE_DIR.
        (GNULIB): New.
        (GNULIB_STDINT_H): Adjust.
        (AC_OUTPUT): Don't output gnulib/Makefile anymore.
        * gdbreplay.c: Include build-gnulib/config.h.
        * server.h: Likewise.
        * aclocal.m4: Regenerate.
        * config.in: Regenerate.
        * configure: Regenerate.

gdb/configure.ac

@@ -25,7 +25,6 @@ AM_MAINTAINER_MODE
 
 AC_PROG_CC
 AC_USE_SYSTEM_EXTENSIONS
-gl_EARLY
 ACX_LARGEFILE
 AM_PROG_CC_STDC
 
@@ -47,6 +46,12 @@ esac
 AM_CONDITIONAL(GMAKE, test "$MAKE_IS_GNU" = yes)
 AC_PROG_MAKE_SET
 
+# Configure gnulib.  We need to build gnulib under some other
+# directory not "gnulib", to avoid the problem of both GDB and
+# GDBserver wanting to build it in the same directory, when building
+# in the source dir.
+ACX_CONFIGURE_DIR(["gnulib"], ["build-gnulib"])
+
 dnl List of object files and targets accumulated by configure.
 
 CONFIG_OBS=
@@ -72,12 +77,12 @@ if test x"$USE_NLS" = xyes; then
    CONFIG_UNINSTALL="$CONFIG_UNINSTALL uninstall-po"
 fi
 
-gl_INIT
+GNULIB=build-gnulib/import
 
 # For Makefile dependencies.
 GNULIB_STDINT_H=
 if test x"$STDINT_H" != x; then
-  GNULIB_STDINT_H=gnulib/$STDINT_H
+  GNULIB_STDINT_H=$GNULIB/$STDINT_H
 fi
 AC_SUBST(GNULIB_STDINT_H)
 
@@ -105,10 +110,6 @@ if test x"$gdb_cv_have_makeinfo_click" = xyes; then
 fi
 AC_SUBST(MAKEINFO_EXTRA_FLAGS)
 
-# GDB does not use automake, but gnulib does.  This line lets us
-# generate its Makefile.in.
-AM_INIT_AUTOMAKE(gdb, UNUSED-VERSION, [no-define])
-
 GDB_AC_WITH_DIR(DEBUGDIR, separate-debug-dir,
     [look for global separate debug info in this path @<:@LIBDIR/debug@:>@],
     [${libdir}/debug])
@@ -2242,7 +2243,7 @@ dnl  At the moment, we just assume it's UTF-8.
 AC_DEFINE(GDB_DEFAULT_HOST_CHARSET, "UTF-8",
           [Define to be a string naming the default host character set.])
 
-AC_OUTPUT(Makefile gdb-gdb.gdb doc/Makefile gnulib/import/Makefile data-directory/Makefile,
+AC_OUTPUT(Makefile gdb-gdb.gdb doc/Makefile data-directory/Makefile,
 [
 case x$CONFIG_HEADERS in
 xconfig.h:config.in)