Fix in-src-tree builds by making gdbserver/gnulib/ a separate library (a la libiberty, etc.), and adding ACX_CONFIGURE_DIR.

Pedro Alves
2012-04-16T18:35:36Z

On 04/16/2012 11:57 AM, Pedro Alves wrote:

> Let me give a different approach a try. Will post it in a bit.

Took a bit longer than expected...

So here's what I had in mind. This scheme avoids copying sources around.

I think that we should use more of gnulib in other parts of the src tree,
replacing libiberty in the role of pure host compatibility layer (e.g., on the binutils
side as well). With that in mind, I thought that adding the gnulib autoconf glue
everywhere isn't going to scale, particularly more so when projects are split
into several libraries (libbfd, libiberty, etc.). So what I thought of doing was
moving the gnulib bits into its own (static) library, which for now, only
both gdb, and gdbserver depend on, but later on could be moved to the top level,
if it works out well.

So the patch starts be moving all of gdb/gnulib/ to gdb/gnulib/gnulib/ (the gnulib
imported bits). Then, it populates the now empty gdb/gnulib/ directory with its
own configure script, and that is the only place where the gl_INIT and friends
will be called. All the gl_INIT and friends bits are removed from both gdb's
and gdbserver's configury.

Then, both GDB and GDBserver are made to build and link the resulting libgnu.a
under gnulib/gnulib/libgnu.a (instead of the current gnulib/libgnu.a).
gnulib autoconf's many things and puts the result in a config.h file. Currently,
that config.h files is GDB's (or now gdbserver's) own config.h, but with the spilt
into a gnulib specific library, gnulib now creates its own config.h under gnulib/.
Nothing in gdb or gdbserver will end up pointing -I at gnulib/ (and that's how it shall
remain, instead they'll -I at gnulib/gnulib), so in the places where we used to
include config.h, we now also need to include gnulib's config.h to get the same
effect as before. This is necessary because gnulib's headers, not just its .c
files, depend on gnulib's config.h defines.

So far so good. Now, there's still the problem that AC_CONFIG_SUBDIRS isn't designed
for the use GDBserver would like to give it; namely, build gnulib under gdbserver/gnulib,
while the sources are not under gdbserver/gnulib, but elsewhere (gdbserver/../gnulib/).
To address that, I wrote a new m4 macro, ACX_CONFIGURE_DIR that is based on the
AC_CONFIG_SUBDIRS-related code that runs the subdirs configury, but that allows
specifying both the resulting build dir, and also the source dir of the subproject
what we want to configure. With that, we can call

ACX_CONFIGURE_DIR(["../gnulib"], ["gnulib"])

in gdbserver, and it configures/builds the gnulib library under gdbserver/gnulib, while
gnulibs sources remain under gdb/gnulib.

Now, on the GDB side, gnulib _is_ indeed under gdb/ so AC_CONFIG_SUBDIRS(gnulib)
would now work (and indeed I tried it). But, only in the case of building with
srcdir != builddir. In the case where srcdir == builddir, gdbserver would try to configure
the new gnulib library under gdbserver/../gnulib, which is wrong for stepping out of the
build dir, and also, when gdbserver is built along gdb (as on x86* GNU/linux), gdbserver
would try to configure an already configured gnulib directly, as the same
gnulib directory would have already been built when building GDB (and AM_INIT_AUTOMAKE
would complain about that).

The Real, Proper, Ideal fix for this, IMO, is to make gdbserver a proper src
top level project/directory, on the same level as GDB, and make the new gnulib
"library" a top level project as well, on the same level as GDB and libiberty.
Then, the top level configure would only try to build the gnulib directory once,
by design, and would build both gdb and gdbserver if both are supported by the host,
or only gdb if building a cross debugger. We wouldn't need the new ACX_CONFIGURE_DIR
then.

Since neither gdbserver nor this new gnulib-based library are yet top level
projects/directorys (and I think that'd be a much more complicated change
that I don't want to consider right now), I've settle for this intermediate step,
and worked around the srcdir==builddir issue by always building the new gnulib-based
library on a separate directory, called build-gnulib. So when you build
with srcdir==builddir, you end up with:

src/gdb/gnulib/ <<== sources
src/gdb/build-gnulib/ <<= gdb builds it here
src/gdb/gdbserver/build-gnulib/ <<= gdbserver builds it here

The patch for this has lots and lots of autogenerated hunks, and hunks related
to the gnulib/ gnulib/gnulib/ move, so below I've trimmed out all those bits, and
left only the substance.

You'll find the complete patch at
https://github.com/palves/gdb/commits/gnulib_own_dir
or
git://github.com/palves/gdb.git gnulib_own_dir

Follows the patch. What do you all think?

2012-04-16 Pedro Alves <palves@redhat.com>

* Makefile.in (GNULIB_BUILDDIR, GNULIB_CFLAGS): New.
(INCLUDE_CFLAGS): Add $GNULIB_CFLAGS.
(LIBGNU, INCGNU, GNULIB_H): Adjust.
(XXX): Adjust.
(SUBDIRS): Add $(GNULIB_BUILDDIR).
(CLEANDIRS): Remove gnulib.
(REQUIRED_SUBDIRS): Adjust.
(all-lib): Adjust.
(distclean): Remove the gnulib build directory.
(gnulib/Makefile): Adjust.
(ACLOCAL_AMFLAGS): Remove gnulib/m4.
(aclocal_m4_deps): Remove gnulib dependencies. Add
acx_configure_dir.m4.
* acinclude.m4: Include acx_configure_dir.m4.
* 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.
* acx_configure_dir.m4: New file.
* aclocal.m4: Regenerate.
* config.in: Regenerate.
* configure: Regenerate.

* gnulib/: Move directory ...
* gnulib/gnulib/: ... here.
* gnulib/Makefile.in: New file.
* gnulib/configure.ac: New file.
* gnulib/aclocal.m4: New file.
* gnulib/config.in: New file.
* gnulib/configure: New file.

gdbserver/
* Makefile.in (GNULIB_INCLUDE_DIR): Delete.
(GNULIB_BUILDDIR): New.
(GNULIB_CFLAGS): New.
(GNULIB_LIB): Adjust.
(GNULIB_H): Adjust.
(INCLUDE_CFLAGS): 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/Makefile): Adjust.
* 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.

diff --git c/gdb/Makefile.in w/gdb/Makefile.in
index b8b7109..f534811 100644
--- c/gdb/Makefile.in
+++ w/gdb/Makefile.in
@@ -120,11 +120,14 @@ MAKEHTMLFLAGS =
#CC_LD=gcc -static
CC_LD=$(CC)

+GNULIB_BUILDDIR = build-gnulib
+GNULIB_CFLAGS=-I$(srcdir)/gnulib/gnulib -I$(GNULIB_BUILDDIR)/gnulib
+
# Where is our "include" directory? Typically $(srcdir)/../include.
# This is essentially the header file directory for the library
# routines in libiberty.
INCLUDE_DIR = $(srcdir)/../include
-INCLUDE_CFLAGS = -I$(INCLUDE_DIR)
+INCLUDE_CFLAGS = $(GNULIB_CFLAGS) -I$(INCLUDE_DIR)

# Where is the "-liberty" library? Typically in ../libiberty.
LIBIBERTY = ../libiberty/libiberty.a
@@ -170,12 +173,12 @@ INTL_CFLAGS = @INCINTL@
GDB_DATADIR = @GDB_DATADIR@

# Helper code from gnulib.
-LIBGNU = gnulib/libgnu.a
-INCGNU = -I$(srcdir)/gnulib -Ignulib
+LIBGNU = $(GNULIB_BUILDDIR)/gnulib/libgnu.a
+INCGNU = -I$(srcdir)/gnulib/gnulib -I$(GNULIB_BUILDDIR)/gnulib

# Generated headers in the gnulib directory. These must be listed
# so that they are generated before other files are compiled.
-GNULIB_H = gnulib/string.h @GNULIB_STDINT_H@
+GNULIB_H = $(GNULIB_BUILDDIR)/gnulib/string.h @GNULIB_STDINT_H@

#
# CLI sub directory definitons
@@ -770,9 +773,9 @@ i386bsd-nat.h xml-support.h xml-tdesc.h alphabsd-tdep.h gdb_obstack.h \
ia64-tdep.h ada-lang.h ada-varobj.h varobj.h frv-tdep.h nto-tdep.h serial.h \
c-lang.h d-lang.h frame.h event-loop.h block.h cli/cli-setshow.h \
cli/cli-decode.h cli/cli-cmds.h cli/cli-dump.h cli/cli-utils.h \
-cli/cli-script.h macrotab.h symtab.h version.h gnulib/wchar.in.h \
-gnulib/string.in.h gnulib/str-two-way.h \
-gnulib/stdint.in.h remote.h gdb.h sparc-nat.h \
+cli/cli-script.h macrotab.h symtab.h version.h gnulib/gnulib/wchar.in.h \
+gnulib/gnulib/string.in.h gnulib/gnulib/str-two-way.h \
+gnulib/gnulib/stdint.in.h remote.h gdb.h sparc-nat.h \
gdbthread.h dwarf2-frame.h dwarf2-frame-tailcall.h nbsd-nat.h dcache.h \
amd64-nat.h s390-tdep.h arm-linux-tdep.h exceptions.h macroscope.h \
gdbarch.h bsd-uthread.h gdb_stat.h memory-map.h memrange.h \
@@ -820,8 +823,9 @@ i386-darwin-tdep.h i386-nat.h linux-record.h moxie-tdep.h \
osdata.h procfs.h python/py-event.h python/py-events.h python/py-stopevent.h \
python/python-internal.h python/python.h ravenscar-thread.h record.h \
solib-darwin.h solib-ia64-hpux.h solib-spu.h windows-nat.h xcoffread.h \
-gnulib/extra/arg-nonnull.h gnulib/extra/c++defs.h gnulib/extra/warn-on-use.h \
-gnulib/stddef.in.h gnulib/inttypes.in.h inline-frame.h skip.h \
+gnulib/gnulib/extra/arg-nonnull.h gnulib/gnulib/extra/c++defs.h \
+gnulib/gnulib/extra/warn-on-use.h \
+gnulib/gnulib/stddef.in.h gnulib/gnulib/inttypes.in.h inline-frame.h skip.h \
common/common-utils.h common/xml-utils.h common/buffer.h common/ptid.h \
common/linux-osdata.h gdb-dlfcn.h

@@ -915,14 +919,14 @@ COMMON_OBS = $(DEPFILES) $(CONFIG_OBS) $(YYOBJ) \

TSOBS = inflow.o

-SUBDIRS = doc @subdirs@ data-directory
-CLEANDIRS = $(SUBDIRS) gnulib
+SUBDIRS = doc @subdirs@ data-directory $(GNULIB_BUILDDIR)
+CLEANDIRS = $(SUBDIRS)

# List of subdirectories in the build tree that must exist.
# This is used to force build failures in existing trees when
# a new directory is added.
# The format here is for the `case' shell command.
-REQUIRED_SUBDIRS = doc | testsuite | gnulib | data-directory
+REQUIRED_SUBDIRS = doc | testsuite | $(GNULIB_BUILDDIR) | data-directory

# For now, shortcut the "configure GDB for fewer languages" stuff.
YYFILES = c-exp.c \
@@ -1162,8 +1166,8 @@ gdb$(EXEEXT): gdb.o $(LIBGDB_OBS) $(ADD_DEPS) $(CDEPS) $(TDEPLIBS)

# Convenience rule to handle recursion.
$(LIBGNU) $(GNULIB_H): all-lib
-all-lib: gnulib/Makefile
- @$(MAKE) $(FLAGS_TO_PASS) DO=all DODIRS=gnulib subdir_do
+all-lib: $(GNULIB_BUILDDIR)/Makefile
+ @$(MAKE) $(FLAGS_TO_PASS) DO=all DODIRS=$(GNULIB_BUILDDIR) subdir_do
.PHONY: all-lib

# Convenience rule to handle recursion.
@@ -1218,6 +1222,7 @@ clean mostlyclean: $(CONFIG_CLEAN)
# always included in SUBDIRS. Remove the gdbserver files explicitly.
distclean: clean
@$(MAKE) $(FLAGS_TO_PASS) DO=distclean "DODIRS=$(CLEANDIRS)" subdir_do
+ rm -rf $(GNULIB_BUILDDIR)
rm -f gdbserver/config.status gdbserver/config.log
rm -f gdbserver/tm.h gdbserver/xm.h gdbserver/nm.h
rm -f gdbserver/Makefile gdbserver/config.cache
@@ -1273,8 +1278,8 @@ Makefile: Makefile.in config.status @frags@
CONFIG_HEADERS= \
$(SHELL) config.status

-gnulib/Makefile: gnulib/Makefile.in config.status @frags@
- CONFIG_FILES="gnulib/Makefile" \
+$(GNULIB_BUILDDIR)/Makefile: gnulib/Makefile.in config.status @frags@
+ @cd $(GNULIB_BUILDDIR); CONFIG_FILES="Makefile" \
CONFIG_COMMANDS="depfiles" \
CONFIG_HEADERS= \
CONFIG_LINKS= \
@@ -1302,31 +1307,10 @@ config.status: $(srcdir)/configure configure.tgt configure.host
$(SHELL) config.status --recheck

ACLOCAL = aclocal
-ACLOCAL_AMFLAGS = -I gnulib/m4 -I ../config
+ACLOCAL_AMFLAGS = -I ../config
aclocal_m4_deps = \
configure.ac \
- gnulib/m4/00gnulib.m4 \
- gnulib/m4/extensions.m4 \
- gnulib/m4/gnulib-cache.m4 \
- gnulib/m4/gnulib-common.m4 \
- gnulib/m4/gnulib-comp.m4 \
- gnulib/m4/gnulib-tool.m4 \
- gnulib/m4/include_next.m4 \
- gnulib/m4/inttypes.m4 \
- gnulib/m4/inttypes-pri.m4 \
- gnulib/m4/longlong.m4 \
- gnulib/m4/memchr.m4 \
- gnulib/m4/memmem.m4 \
- gnulib/m4/mmap-anon.m4 \
- gnulib/m4/multiarch.m4 \
- gnulib/m4/onceonly.m4 \
- gnulib/m4/stddef_h.m4 \
- gnulib/m4/stdint.m4 \
- gnulib/m4/string_h.m4 \
- gnulib/m4/warn-on-use.m4 \
- gnulib/m4/wchar_h.m4 \
- gnulib/m4/wchar_t.m4 \
- gnulib/m4/wint_t.m4 \
+ acx_configure_dir.m4 \
../config/extensions.m4 \
../config/lead-dot.m4 \
../config/proginstall.m4 \
diff --git c/gdb/acinclude.m4 w/gdb/acinclude.m4
index 1942ef4..9d231e1 100644
--- c/gdb/acinclude.m4
+++ w/gdb/acinclude.m4
@@ -1,6 +1,8 @@
dnl written by Rob Savoye <rob@cygnus.com> for Cygnus Support
dnl major rewriting for Tcl 7.5 by Don Libes <libes@nist.gov>

+sinclude(acx_configure_dir.m4)
+
dnl gdb/configure.in uses BFD_NEED_DECLARATION, so get its definition.
sinclude(../bfd/bfd.m4)

diff --git c/gdb/acx_configure_dir.m4 w/gdb/acx_configure_dir.m4
new file mode 100644
index 0000000..822e882
--- /dev/null
+++ w/gdb/acx_configure_dir.m4
@@ -0,0 +1,104 @@
+# ACX_CONFIGURE_DIR(SRC-DIR-NAME, BUILD-DIR-NAME)
+# ---------------------------
+#
+# Configure a subdirectory. This is an alternative to
+# AC_CONFIG_SUBDIRS that allows pointing the source directory
+# somewhere else. The build directory is always a subdirectory of the
+# top build directory. This is heavilly based on autoconf's
+# _AC_OUTPUT_SUBDIRS.
+#
+# Inputs:
+# - SRC-DIR-NAME is the source directory, relative to $srcdir.
+# - BUILD-DIR-NAME is `top-build -> build'
+
+AC_DEFUN([ACX_CONFIGURE_DIR],
+[
+ in_src=$1
+ in_build=$2
+
+ # Remove --cache-file, --srcdir, and --disable-option-checking arguments
+ # so they do not pile up.
+ ac_sub_configure_args=
+ ac_prev=
+ eval "set x $ac_configure_args"
+ shift
+ for ac_arg
+ do
+ if test -n "$ac_prev"; then
+ ac_prev=
+ continue
+ fi
+ case $ac_arg in
+ -cache-file | --cache-file | --cache-fil | --cache-fi \
+ | --cache-f | --cache- | --cache | --cach | --cac | --ca | --c)
+ ac_prev=cache_file ;;
+ -cache-file=* | --cache-file=* | --cache-fil=* | --cache-fi=* \
+ | --cache-f=* | --cache-=* | --cache=* | --cach=* | --cac=* | --ca=* \
+ | --c=*)
+ ;;
+ --config-cache | -C)
+ ;;
+ -srcdir | --srcdir | --srcdi | --srcd | --src | --sr)
+ ac_prev=srcdir ;;
+ -srcdir=* | --srcdir=* | --srcdi=* | --srcd=* | --src=* | --sr=*)
+ ;;
+ -prefix | --prefix | --prefi | --pref | --pre | --pr | --p)
+ ac_prev=prefix ;;
+ -prefix=* | --prefix=* | --prefi=* | --pref=* | --pre=* | --pr=* | --p=*)
+ ;;
+ --disable-option-checking)
+ ;;
+ *)
+ case $ac_arg in
+ *\'*) ac_arg=`AS_ECHO(["$ac_arg"]) | sed "s/'/'\\\\\\\\''/g"` ;;
+ esac
+ AS_VAR_APPEND([ac_sub_configure_args], [" '$ac_arg'"]) ;;
+ esac
+ done
+
+ # Always prepend --prefix to ensure using the same prefix
+ # in subdir configurations.
+ ac_arg="--prefix=$prefix"
+ case $ac_arg in
+ *\'*) ac_arg=`AS_ECHO(["$ac_arg"]) | sed "s/'/'\\\\\\\\''/g"` ;;
+ esac
+ ac_sub_configure_args="'$ac_arg' $ac_sub_configure_args"
+
+ # Pass --silent
+ if test "$silent" = yes; then
+ ac_sub_configure_args="--silent $ac_sub_configure_args"
+ fi
+
+ # Always prepend --disable-option-checking to silence warnings, since
+ # different subdirs can have different --enable and --with options.
+ ac_sub_configure_args="--disable-option-checking $ac_sub_configure_args"
+
+ ac_popdir=`pwd`
+ ac_dir=$in_build
+
+ ac_msg="=== configuring in $ac_dir (`pwd`/$ac_dir)"
+ _AS_ECHO_LOG([$ac_msg])
+ _AS_ECHO([$ac_msg])
+ AS_MKDIR_P(["$ac_dir"])
+
+ ac_srcdir=../$srcdir/$in_src
+
+ cd "$ac_dir"
+
+ ac_sub_configure=$ac_srcdir/configure
+
+ # Make the cache file name correct relative to the subdirectory.
+ case $cache_file in
+ [[\\/]]* | ?:[[\\/]]* ) ac_sub_cache_file=$cache_file ;;
+ *) # Relative name.
+ ac_sub_cache_file=$ac_top_build_prefix$cache_file ;;
+ esac
+
+ AC_MSG_NOTICE([running $SHELL $ac_sub_configure $ac_sub_configure_args --cache-file=$ac_sub_cache_file --srcdir=$ac_srcdir])
+ # The eval makes quoting arguments work.
+ eval "\$SHELL \"\$ac_sub_configure\" $ac_sub_configure_args \
+ --cache-file=\"\$ac_sub_cache_file\" --srcdir=\"\$ac_srcdir\"" ||
+ AC_MSG_ERROR([$ac_sub_configure failed for $ac_dir])
+
+ cd "$ac_popdir"
+])# ACX_CONFIGURE_DIR
diff --git c/gdb/configure.ac w/gdb/configure.ac
index 5867782..8ae9639 100644
--- c/gdb/configure.ac
+++ w/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/gnulib

# 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])
@@ -2230,7 +2231,7 @@ 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 .gdbinit:gdbinit.in doc/Makefile gnulib/Makefile data-directory/Makefile,
+AC_OUTPUT(Makefile .gdbinit:gdbinit.in doc/Makefile data-directory/Makefile,
[
case x$CONFIG_HEADERS in
xconfig.h:config.in)
diff --git c/gdb/defs.h w/gdb/defs.h
index 1075111..af66b00 100644
--- c/gdb/defs.h
+++ w/gdb/defs.h
@@ -26,6 +26,7 @@
# error gdbserver should not include gdb/defs.h
#endif

+#include "build-gnulib/../config.h"
#include "config.h" /* Generated by configure. */

#include <sys/types.h>
diff --git c/gdb/gdbserver/Makefile.in w/gdb/gdbserver/Makefile.in
index 6225e65..c4811d4 100644
--- c/gdb/gdbserver/Makefile.in
+++ w/gdb/gdbserver/Makefile.in
@@ -76,28 +76,21 @@ ustlibs = @ustlibs@
ustinc = @ustinc@

# gnulib
-GNULIB_INCLUDE_DIR = $(srcdir)/../gnulib
-GNULIB_LIB = gnulib/libgnu.a
-
-# We build gnulib directly under the gdbserver build directory, but
-# its sources don't live directly under gdbserver's source directory.
-# Tweak $srcdir and VPATH to make that work.
-GNULIB_FLAGS_TO_PASS = \
- "top_srcdir=$(abs_top_srcdir)/.." \
- "srcdir=$(abs_srcdir)/../gnulib" \
- "VPATH=$(abs_top_srcdir)/../gnulib:$(abs_top_srcdir)"
+GNULIB_BUILDDIR = build-gnulib
+GNULIB_CFLAGS = -I$(srcdir)/../gnulib -I$(GNULIB_BUILDDIR)/gnulib
+GNULIB_LIB = $(GNULIB_BUILDDIR)/gnulib/libgnu.a

# Generated headers in the gnulib directory. These must be listed
# so that they are generated before other files are compiled.
-GNULIB_H = gnulib/string.h @GNULIB_STDINT_H@
+GNULIB_H = $(GNULIB_BUILDDIR)/gnulib/string.h @GNULIB_STDINT_H@

# All the includes used for CFLAGS and for lint.
# -I. for config files.
# -I${srcdir} for our headers.
# -I$(srcdir)/../regformats for regdef.h.
-INCLUDE_CFLAGS = -I. -I${srcdir} -I$(srcdir)/../common \
- -I$(srcdir)/../regformats -I$(INCLUDE_DIR) \
- -I$(GNULIB_INCLUDE_DIR)
+INCLUDE_CFLAGS = $(GNULIB_CFLAGS) -I$(INCLUDE_DIR) \
+ -I. -I${srcdir} -I$(srcdir)/../common \
+ -I$(srcdir)/../regformats

# M{H,T}_CFLAGS, if defined, has host- and target-dependent CFLAGS
# from the config/ directory.
@@ -174,6 +167,15 @@ XML_BUILTIN = @srv_xmlbuiltin@
IPA_DEPFILES = @IPA_DEPFILES@
extra_libraries = @extra_libraries@

+SUBDIRS = $(GNULIB_BUILDDIR)
+CLEANDIRS = $(SUBDIRS)
+
+# List of subdirectories in the build tree that must exist.
+# This is used to force build failures in existing trees when
+# a new directory is added.
+# The format here is for the `case' shell command.
+REQUIRED_SUBDIRS = $(GNULIB_BUILDDIR)
+
FLAGS_TO_PASS = \
"prefix=$(prefix)" \
"exec_prefix=$(exec_prefix)" \
@@ -212,7 +214,7 @@ FLAGS_TO_PASS = \
${CC} -c ${INTERNAL_CFLAGS} $<

all: gdbserver$(EXEEXT) gdbreplay$(EXEEXT) $(extra_libraries)
- @cd gnulib; $(MAKE) $(FLAGS_TO_PASS) $(GNULIB_FLAGS_TO_PASS) all
+ @$(MAKE) $(FLAGS_TO_PASS) DO=$@ "DODIRS=$(SUBDIRS)" subdir_do

# Traditionally "install" depends on "all". But it may be useful
# not to; for example, if the user has made some trivial change to a
@@ -233,13 +235,13 @@ install-only:
$(INSTALL_PROGRAM) gdbserver$(EXEEXT) $(DESTDIR)$(bindir)/$$n$(EXEEXT); \
$(SHELL) $(srcdir)/../../mkinstalldirs $(DESTDIR)$(man1dir); \
$(INSTALL_DATA) $(srcdir)/gdbserver.1 $(DESTDIR)$(man1dir)/$$n.1
- @cd gnulib; $(MAKE) $(FLAGS_TO_PASS) $(GNULIB_FLAGS_TO_PASS) install
+ @$(MAKE) $(FLAGS_TO_PASS) DO=$@ "DODIRS=$(SUBDIRS)" subdir_do

uninstall: force
n=`echo gdbserver | sed '$(program_transform_name)'`; \
if [ x$$n = x ]; then n=gdbserver; else true; fi; \
rm -f $(DESTDIR)/$(bindir)/$$n$(EXEEXT) $(DESTDIR)$(man1dir)/$$n.1
- @cd gnulib; $(MAKE) $(FLAGS_TO_PASS) $(GNULIB_FLAGS_TO_PASS) uninstall
+ @$(MAKE) $(FLAGS_TO_PASS) DO=$@ "DODIRS=$(SUBDIRS)" subdir_do

installcheck:
check:
@@ -249,7 +251,7 @@ install-pdf:
html:
install-html:
clean-info: force
- @cd gnulib; $(MAKE) $(FLAGS_TO_PASS) $(GNULIB_FLAGS_TO_PASS) $@
+ @$(MAKE) $(FLAGS_TO_PASS) DO=$@ "DODIRS=$(SUBDIRS)" subdir_do

gdbserver$(EXEEXT): $(OBS) ${ADD_DEPS} ${CDEPS} $(GNULIB_LIB)
rm -f gdbserver$(EXEEXT)
@@ -257,9 +259,8 @@ gdbserver$(EXEEXT): $(OBS) ${ADD_DEPS} ${CDEPS} $(GNULIB_LIB)
$(GNULIB_LIB) $(GDBSERVER_LIBS) $(XM_CLIBS)

$(GNULIB_LIB) $(GNULIB_H): all-lib
-all-lib: gnulib/Makefile
- @cd gnulib; $(MAKE) $(FLAGS_TO_PASS) $(GNULIB_FLAGS_TO_PASS) all
-
+all-lib: $(GNULIB_BUILDDIR)/Makefile
+ @$(MAKE) $(FLAGS_TO_PASS) DO=all DODIRS=$(GNULIB_BUILDDIR) subdir_do
.PHONY: all-lib

gdbreplay$(EXEEXT): $(GDBREPLAY_OBS)
@@ -292,6 +293,7 @@ TAGS: ${TAGFILES}
tags: TAGS

clean:
+ @$(MAKE) $(FLAGS_TO_PASS) DO=$@ "DODIRS=$(SUBDIRS)" subdir_do
rm -f *.o ${ADD_FILES} *~
rm -f version.c
rm -f gdbserver$(EXEEXT) gdbreplay$(EXEEXT) core make.log
@@ -316,12 +318,28 @@ clean:
rm -f i386-mmx.c i386-mmx-linux.c
rm -f x32.c x32-linux.c
rm -f x32-avx.c x32-avx-linux.c
- @cd gnulib; $(MAKE) $(FLAGS_TO_PASS) $(GNULIB_FLAGS_TO_PASS) clean

maintainer-clean realclean distclean: clean
- rm -f nm.h tm.h xm.h config.h stamp-h config.log
- @cd gnulib; $(MAKE) $(FLAGS_TO_PASS) $(GNULIB_FLAGS_TO_PASS) $@
- rm -f Makefile config.status
+ @$(MAKE) $(FLAGS_TO_PASS) DO=$@ "DODIRS=$(SUBDIRS)" subdir_do
+ rm -rf $(GNULIB_BUILDDIR)
+ rm -f Makefile config.status config.h stamp-h config.log
+ rm -f Makefile
+
+subdir_do: force
+ @for i in $(DODIRS); do \
+ case $$i in \
+ $(REQUIRED_SUBDIRS)) \
+ if [ ! -f ./$$i/Makefile ] ; then \
+ echo "Missing $$i/Makefile" >&2 ; \
+ exit 1 ; \
+ fi ;; \
+ esac ; \
+ if [ -f ./$$i/Makefile ] ; then \
+ if (cd ./$$i; \
+ $(MAKE) $(FLAGS_TO_PASS) $(DO)) ; then true ; \
+ else exit 1 ; fi ; \
+ else true ; fi ; \
+ done

config.h: stamp-h ; @true
stamp-h: config.in config.status
@@ -330,11 +348,12 @@ stamp-h: config.in config.status
Makefile: Makefile.in config.status
CONFIG_HEADERS="" $(SHELL) ./config.status

-gnulib/Makefile: $(srcdir)/../gnulib/Makefile.in config.status
+$(GNULIB_BUILDDIR)/Makefile: $(srcdir)/../gnulib/Makefile.in config.status
+ @cd $(GNULIB_BUILDDIR); CONFIG_FILES="Makefile" \
CONFIG_COMMANDS="depfiles" \
CONFIG_HEADERS= \
CONFIG_LINKS= \
- $(SHELL) config.status "gnulib/Makefile"
+ $(SHELL) config.status

config.status: configure configure.srv
$(SHELL) ./config.status --recheck
diff --git c/gdb/gdbserver/acinclude.m4 w/gdb/gdbserver/acinclude.m4
index 12eb12b..037cc32 100644
--- c/gdb/gdbserver/acinclude.m4
+++ w/gdb/gdbserver/acinclude.m4
@@ -1,6 +1,8 @@
dnl gdb/gdbserver/configure.in uses BFD_HAVE_SYS_PROCFS_TYPE.
sinclude(../../bfd/bfd.m4)

+sinclude(../acx_configure_dir.m4)
+
dnl This gets autoconf bugfixes
sinclude(../../config/override.m4)

diff --git c/gdb/gdbserver/configure.ac w/gdb/gdbserver/configure.ac
index ac8223a..07af915 100644
--- c/gdb/gdbserver/configure.ac
+++ w/gdb/gdbserver/configure.ac
@@ -26,12 +26,12 @@ AC_CONFIG_HEADER(config.h:config.in)
AM_MAINTAINER_MODE

AC_PROG_CC
-gl_EARLY
AC_GNU_SOURCE

AC_CANONICAL_SYSTEM

AC_PROG_INSTALL
+AC_PROG_RANLIB

AC_ARG_PROGRAM

@@ -43,6 +43,13 @@ AC_FUNC_ALLOCA
# Check for the 'make' the user wants to use.
AC_CHECK_PROGS(MAKE, make)

+# Configure gnulib. We can't use AC_CONFIG_SUBDIRS as that'd expect
+# to find the the source subdir to be configured directly under
+# gdbserver/. 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"])
+
AC_CHECK_HEADERS(sgtty.h termio.h termios.h sys/reg.h string.h dnl
proc_service.h sys/procfs.h thread_db.h linux/elf.h dnl
stdlib.h unistd.h dnl
@@ -439,18 +446,15 @@ AC_SUBST(srv_xmlfiles)
AC_SUBST(IPA_DEPFILES)
AC_SUBST(extra_libraries)

-gl_INIT
-# GDBserver does not use automake, but gnulib does. This line lets
-# us generate its Makefile.in.
-AM_INIT_AUTOMAKE(gdbserver, UNUSED-VERSION, [no-define])
+GNULIB=build-gnulib/gnulib

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)

-AC_OUTPUT(Makefile gnulib/Makefile:${srcdir}/../gnulib/Makefile.in,
+AC_OUTPUT(Makefile,
[case x$CONFIG_HEADERS in
xconfig.h:config.in)
echo > stamp-h ;;
diff --git c/gdb/gdbserver/gdbreplay.c w/gdb/gdbserver/gdbreplay.c
index bb5202c..eb40d39 100644
--- c/gdb/gdbserver/gdbreplay.c
+++ w/gdb/gdbserver/gdbreplay.c
@@ -18,7 +18,9 @@
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>. */

+#include "build-gnulib/../config.h"
#include "config.h"
+
#include <stdio.h>
#if HAVE_SYS_FILE_H
#include <sys/file.h>
diff --git c/gdb/gdbserver/server.h w/gdb/gdbserver/server.h
index a419c36..7323ebe 100644
--- c/gdb/gdbserver/server.h
+++ w/gdb/gdbserver/server.h
@@ -20,6 +20,7 @@
#ifndef SERVER_H
#define SERVER_H

+#include "build-gnulib/../config.h"
#include "config.h"

#ifdef __MINGW32CE__
diff --git c/gdb/gnulib/Makefile.in w/gdb/gnulib/Makefile.in
index 4e1b1d8..6c956ff 100644
--- c/gdb/gnulib/Makefile.in
+++ w/gdb/gnulib/Makefile.in
@@ -1,1199 +1,267 @@
-# Makefile.in generated by automake 1.11 from Makefile.am.
-# @configure_input@
+# Copyright (C) 1989-2012 Free Software Foundation, Inc.

-# Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003,
-# 2004, 2005, 2006, 2007, 2008, 2009, 2011 Free Software Foundation, Inc.
-# This Makefile.in is free software; the Free Software Foundation
-# gives unlimited permission to copy and/or distribute it,
-# with or without modifications, as long as this notice is preserved.
+# This file is part of GDB.

-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY, to the extent permitted by law; without
-# even the implied warranty of MERCHANTABILITY or FITNESS FOR A
-# PARTICULAR PURPOSE.
-
-@SET_MAKE@
-
-# Copyright (C) 2002-2010 Free Software Foundation, Inc.
+# This program 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 file is free software, distributed under the terms of the GNU
-# General Public License. As a special exception to the GNU General
-# Public License, this file may be distributed as part of a program
-# that contains a configuration script generated by Autoconf, under
-# the same distribution terms as the rest of that program.
+# 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 General Public License for more details.
#
-# Generated by gnulib-tool.
-# Reproduce by: gnulib-tool --import --dir=. --lib=libgnu --source-base=gnulib --m4-base=gnulib/m4 --doc-base=doc --tests-base=tests --aux-dir=gnulib/extra --no-libtool --macro-prefix=gl --no-vc-files inttypes memmem
-
+# You should have received a copy of the GNU General Public License
+# along with this program. If not, see <http://www.gnu.org/licenses/>.

+prefix = @prefix@
+exec_prefix = @exec_prefix@

-VPATH = @srcdir@
-pkgdatadir = $(datadir)/@PACKAGE@
-pkgincludedir = $(includedir)/@PACKAGE@
-pkglibdir = $(libdir)/@PACKAGE@
-pkglibexecdir = $(libexecdir)/@PACKAGE@
-am__cd = CDPATH="$${ZSH_VERSION+.}$(PATH_SEPARATOR)" && cd
-install_sh_DATA = $(install_sh) -c -m 644
-install_sh_PROGRAM = $(install_sh) -c
-install_sh_SCRIPT = $(install_sh) -c
-INSTALL_HEADER = $(INSTALL_DATA)
-transform = $(program_transform_name)
-NORMAL_INSTALL = :
-PRE_INSTALL = :
-POST_INSTALL = :
-NORMAL_UNINSTALL = :
-PRE_UNINSTALL = :
-POST_UNINSTALL = :
-build_triplet = @build@
-host_triplet = @host@
-target_triplet = @target@
-subdir = gnulib
-DIST_COMMON = $(noinst_HEADERS) $(srcdir)/Makefile.am \
- $(srcdir)/Makefile.in
-ACLOCAL_M4 = $(top_srcdir)/aclocal.m4
-am__aclocal_m4_deps = $(top_srcdir)/../config/largefile.m4 \
- $(top_srcdir)/../config/lead-dot.m4 \
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- $(top_srcdir)/gnulib/m4/memmem.m4 \
- $(top_srcdir)/gnulib/m4/mmap-anon.m4 \
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- $(top_srcdir)/gnulib/m4/wint_t.m4 $(top_srcdir)/acinclude.m4 \
- $(top_srcdir)/../bfd/bfd.m4 \
- $(top_srcdir)/../config/acinclude.m4 \
- $(top_srcdir)/../config/override.m4 \
- $(top_srcdir)/../config/gettext-sister.m4 \
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-am__configure_deps = $(am__aclocal_m4_deps) $(CONFIGURE_DEPENDENCIES) \
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-mkinstalldirs = $(SHELL) $(top_srcdir)/../mkinstalldirs
-CONFIG_HEADER = $(top_builddir)/config.h
-CONFIG_CLEAN_FILES =
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-am__depfiles_maybe = depfiles
-am__mv = mv -f
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- html-recursive info-recursive install-data-recursive \
- install-dvi-recursive install-exec-recursive \
- install-html-recursive install-info-recursive \
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- sed_butlast='s,/*[^/]*$$,,'; \
- while test -n "$$dir1"; do \
- first=`echo "$$dir1" | sed -e "$$sed_first"`; \
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- dir0=`echo "$$dir0" | sed -e "$$sed_butlast"`; \
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- fi; \
- fi; \
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-ACLOCAL = @ACLOCAL@
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-GNULIB_BTOWC = @GNULIB_BTOWC@
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-GNULIB_STRNDUP = @GNULIB_STRNDUP@
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-GNULIB_STRPBRK = @GNULIB_STRPBRK@
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-GNULIB_STRSIGNAL = @GNULIB_STRSIGNAL@
-GNULIB_STRSTR = @GNULIB_STRSTR@
-GNULIB_STRTOIMAX = @GNULIB_STRTOIMAX@
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-GNULIB_STRTOUMAX = @GNULIB_STRTOUMAX@
-GNULIB_STRVERSCMP = @GNULIB_STRVERSCMP@
-GNULIB_WCRTOMB = @GNULIB_WCRTOMB@
-GNULIB_WCSNRTOMBS = @GNULIB_WCSNRTOMBS@
-GNULIB_WCSRTOMBS = @GNULIB_WCSRTOMBS@
-GNULIB_WCTOB = @GNULIB_WCTOB@
-GNULIB_WCWIDTH = @GNULIB_WCWIDTH@
-GREP = @GREP@
-GUI_CFLAGS_X = @GUI_CFLAGS_X@
-HAVE_BTOWC = @HAVE_BTOWC@
-HAVE_DECL_IMAXABS = @HAVE_DECL_IMAXABS@
-HAVE_DECL_IMAXDIV = @HAVE_DECL_IMAXDIV@
-HAVE_DECL_MEMMEM = @HAVE_DECL_MEMMEM@
-HAVE_DECL_MEMRCHR = @HAVE_DECL_MEMRCHR@
-HAVE_DECL_STRDUP = @HAVE_DECL_STRDUP@
-HAVE_DECL_STRNDUP = @HAVE_DECL_STRNDUP@
-HAVE_DECL_STRNLEN = @HAVE_DECL_STRNLEN@
-HAVE_DECL_STRSIGNAL = @HAVE_DECL_STRSIGNAL@
-HAVE_DECL_STRTOIMAX = @HAVE_DECL_STRTOIMAX@
-HAVE_DECL_STRTOK_R = @HAVE_DECL_STRTOK_R@
-HAVE_DECL_STRTOUMAX = @HAVE_DECL_STRTOUMAX@
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- -e 's|@''HAVE_STRSEP''@|$(HAVE_STRSEP)|g' \
- -e 's|@''HAVE_STRCASESTR''@|$(HAVE_STRCASESTR)|g' \
- -e 's|@''HAVE_DECL_STRTOK_R''@|$(HAVE_DECL_STRTOK_R)|g' \
- -e 's|@''HAVE_DECL_STRSIGNAL''@|$(HAVE_DECL_STRSIGNAL)|g' \
- -e 's|@''HAVE_STRVERSCMP''@|$(HAVE_STRVERSCMP)|g' \
- -e 's|@''REPLACE_STPNCPY''@|$(REPLACE_STPNCPY)|g' \
- -e 's|@''REPLACE_MEMCHR''@|$(REPLACE_MEMCHR)|g' \
- -e 's|@''REPLACE_MEMMEM''@|$(REPLACE_MEMMEM)|g' \
- -e 's|@''REPLACE_STRCASESTR''@|$(REPLACE_STRCASESTR)|g' \
- -e 's|@''REPLACE_STRDUP''@|$(REPLACE_STRDUP)|g' \
- -e 's|@''REPLACE_STRSTR''@|$(REPLACE_STRSTR)|g' \
- -e 's|@''REPLACE_STRERROR''@|$(REPLACE_STRERROR)|g' \
- -e 's|@''REPLACE_STRNCAT''@|$(REPLACE_STRNCAT)|g' \
- -e 's|@''REPLACE_STRNDUP''@|$(REPLACE_STRNDUP)|g' \
- -e 's|@''REPLACE_STRNLEN''@|$(REPLACE_STRNLEN)|g' \
- -e 's|@''REPLACE_STRSIGNAL''@|$(REPLACE_STRSIGNAL)|g' \
- -e 's|@''REPLACE_STRTOK_R''@|$(REPLACE_STRTOK_R)|g' \
- -e 's|@''UNDEFINE_STRTOK_R''@|$(UNDEFINE_STRTOK_R)|g' \
- -e '/definitions of _GL_FUNCDECL_RPL/r $(CXXDEFS_H)' \
- -e '/definition of _GL_ARG_NONNULL/r $(ARG_NONNULL_H)' \
- -e '/definition of _GL_WARN_ON_USE/r $(WARN_ON_USE_H)'; \
- < $(srcdir)/string.in.h; \
- } > $@-t && \
- mv $@-t $@
-# The warn-on-use.h that gets inserted into generated .h files is the same as
-# build-aux/warn-on-use.h, except that it has the copyright header cut off.
-warn-on-use.h: $(top_srcdir)/gnulib/extra/warn-on-use.h
- $(AM_V_GEN)rm -f $@-t $@ && \
- sed -n -e '/^.ifndef/,$$p' \
- < $(top_srcdir)/gnulib/extra/warn-on-use.h \
- > $@-t && \
- mv $@-t $@
+ rm -f config.status
+
+do-maintainer-clean:
+ @$(MAKE) $(FLAGS_TO_PASS) DO=maintainer-clean "DODIRS=$(CLEANDIRS)" \
+ subdir_do
+
+subdir_do: force
+ @for i in $(DODIRS); do \
+ case $$i in \
+ $(REQUIRED_SUBDIRS)) \
+ if [ ! -f ./$$i/Makefile ] ; then \
+ echo "Missing $$i/Makefile" >&2 ; \
+ exit 1 ; \
+ fi ;; \
+ esac ; \
+ if [ -f ./$$i/Makefile ] ; then \
+ if (cd ./$$i; \
+ $(MAKE) $(FLAGS_TO_PASS) $(DO)) ; then true ; \
+ else exit 1 ; fi ; \
+ else true ; fi ; \
+ done

-# We need the following in order to create <wchar.h> when the system
-# version does not work standalone.
-wchar.h: wchar.in.h $(CXXDEFS_H) $(ARG_NONNULL_H) $(WARN_ON_USE_H)
- $(AM_V_GEN)rm -f $@-t $@ && \
- { echo '/* DO NOT EDIT! GENERATED AUTOMATICALLY! */'; \
- sed -e 's|@''INCLUDE_NEXT''@|$(INCLUDE_NEXT)|g' \
- -e 's|@''PRAGMA_SYSTEM_HEADER''@|@PRAGMA_SYSTEM_HEADER@|g' \
- -e 's|@''NEXT_WCHAR_H''@|$(NEXT_WCHAR_H)|g' \
- -e 's|@''HAVE_WCHAR_H''@|$(HAVE_WCHAR_H)|g' \
- -e 's|@''GNULIB_BTOWC''@|$(GNULIB_BTOWC)|g' \
- -e 's|@''GNULIB_WCTOB''@|$(GNULIB_WCTOB)|g' \
- -e 's|@''GNULIB_MBSINIT''@|$(GNULIB_MBSINIT)|g' \
- -e 's|@''GNULIB_MBRTOWC''@|$(GNULIB_MBRTOWC)|g' \
- -e 's|@''GNULIB_MBRLEN''@|$(GNULIB_MBRLEN)|g' \
- -e 's|@''GNULIB_MBSRTOWCS''@|$(GNULIB_MBSRTOWCS)|g' \
- -e 's|@''GNULIB_MBSNRTOWCS''@|$(GNULIB_MBSNRTOWCS)|g' \
- -e 's|@''GNULIB_WCRTOMB''@|$(GNULIB_WCRTOMB)|g' \
- -e 's|@''GNULIB_WCSRTOMBS''@|$(GNULIB_WCSRTOMBS)|g' \
- -e 's|@''GNULIB_WCSNRTOMBS''@|$(GNULIB_WCSNRTOMBS)|g' \
- -e 's|@''GNULIB_WCWIDTH''@|$(GNULIB_WCWIDTH)|g' \
- -e 's|@''HAVE_WINT_T''@|$(HAVE_WINT_T)|g' \
- -e 's|@''HAVE_BTOWC''@|$(HAVE_BTOWC)|g' \
- -e 's|@''HAVE_MBSINIT''@|$(HAVE_MBSINIT)|g' \
- -e 's|@''HAVE_MBRTOWC''@|$(HAVE_MBRTOWC)|g' \
- -e 's|@''HAVE_MBRLEN''@|$(HAVE_MBRLEN)|g' \
- -e 's|@''HAVE_MBSRTOWCS''@|$(HAVE_MBSRTOWCS)|g' \
- -e 's|@''HAVE_MBSNRTOWCS''@|$(HAVE_MBSNRTOWCS)|g' \
- -e 's|@''HAVE_WCRTOMB''@|$(HAVE_WCRTOMB)|g' \
- -e 's|@''HAVE_WCSRTOMBS''@|$(HAVE_WCSRTOMBS)|g' \
- -e 's|@''HAVE_WCSNRTOMBS''@|$(HAVE_WCSNRTOMBS)|g' \
- -e 's|@''HAVE_DECL_WCTOB''@|$(HAVE_DECL_WCTOB)|g' \
- -e 's|@''HAVE_DECL_WCWIDTH''@|$(HAVE_DECL_WCWIDTH)|g' \
- -e 's|@''REPLACE_MBSTATE_T''@|$(REPLACE_MBSTATE_T)|g' \
- -e 's|@''REPLACE_BTOWC''@|$(REPLACE_BTOWC)|g' \
- -e 's|@''REPLACE_WCTOB''@|$(REPLACE_WCTOB)|g' \
- -e 's|@''REPLACE_MBSINIT''@|$(REPLACE_MBSINIT)|g' \
- -e 's|@''REPLACE_MBRTOWC''@|$(REPLACE_MBRTOWC)|g' \
- -e 's|@''REPLACE_MBRLEN''@|$(REPLACE_MBRLEN)|g' \
- -e 's|@''REPLACE_MBSRTOWCS''@|$(REPLACE_MBSRTOWCS)|g' \
- -e 's|@''REPLACE_MBSNRTOWCS''@|$(REPLACE_MBSNRTOWCS)|g' \
- -e 's|@''REPLACE_WCRTOMB''@|$(REPLACE_WCRTOMB)|g' \
- -e 's|@''REPLACE_WCSRTOMBS''@|$(REPLACE_WCSRTOMBS)|g' \
- -e 's|@''REPLACE_WCSNRTOMBS''@|$(REPLACE_WCSNRTOMBS)|g' \
- -e 's|@''REPLACE_WCWIDTH''@|$(REPLACE_WCWIDTH)|g' \
- -e '/definitions of _GL_FUNCDECL_RPL/r $(CXXDEFS_H)' \
- -e '/definition of _GL_ARG_NONNULL/r $(ARG_NONNULL_H)' \
- -e '/definition of _GL_WARN_ON_USE/r $(WARN_ON_USE_H)' \
- < $(srcdir)/wchar.in.h; \
- } > $@-t && \
- mv $@-t $@
+Makefile: Makefile.in config.status
+ # Regenerate the Makefile.
+ CONFIG_FILES="Makefile" \
+ CONFIG_COMMANDS= \
+ CONFIG_HEADERS= \
+ $(SHELL) config.status
+
+gnulib/Makefile: gnulib/Makefile.in config.status
+ CONFIG_FILES="gnulib/Makefile" \
+ CONFIG_COMMANDS="depfiles" \
+ CONFIG_HEADERS= \
+ CONFIG_LINKS= \
+ $(SHELL) config.status
+
+config.h: stamp-h ; @true
+stamp-h: $(srcdir)/config.in config.status
+ CONFIG_HEADERS=config.h:config.in \
+ CONFIG_COMMANDS="default depdir" \
+ CONFIG_FILES= \
+ CONFIG_LINKS= \
+ $(SHELL) config.status
+
+config.status: $(srcdir)/configure
+ $(SHELL) config.status --recheck
+
+ACLOCAL = aclocal
+ACLOCAL_AMFLAGS = -I gnulib/m4 -I ../../config
+aclocal_m4_deps = \
+ configure.ac \
+ gnulib/m4/00gnulib.m4 \
+ gnulib/m4/extensions.m4 \
+ gnulib/m4/gnulib-cache.m4 \
+ gnulib/m4/gnulib-common.m4 \
+ gnulib/m4/gnulib-comp.m4 \
+ gnulib/m4/gnulib-tool.m4 \
+ gnulib/m4/include_next.m4 \
+ gnulib/m4/longlong.m4 \
+ gnulib/m4/memchr.m4 \
+ gnulib/m4/memmem.m4 \
+ gnulib/m4/mmap-anon.m4 \
+ gnulib/m4/multiarch.m4 \
+ gnulib/m4/onceonly.m4 \
+ gnulib/m4/stddef_h.m4 \
+ gnulib/m4/stdint.m4 \
+ gnulib/m4/string_h.m4 \
+ gnulib/m4/warn-on-use.m4 \
+ gnulib/m4/wchar_h.m4 \
+ gnulib/m4/wchar_t.m4 \
+ gnulib/m4/wint_t.m4
+
+$(srcdir)/aclocal.m4: @MAINTAINER_MODE_TRUE@ $(aclocal_m4_deps)
+ cd $(srcdir) && $(ACLOCAL) $(ACLOCAL_AMFLAGS)
+
+AUTOCONF = autoconf
+configure_deps = $(srcdir)/configure.ac $(srcdir)/aclocal.m4
+$(srcdir)/configure: @MAINTAINER_MODE_TRUE@ $(configure_deps)
+ cd $(srcdir) && $(AUTOCONF)
+
+AUTOHEADER = autoheader
+$(srcdir)/config.in: @MAINTAINER_MODE_TRUE@ $(configure_deps)
+ cd $(srcdir) && $(AUTOHEADER)
+ rm -f stamp-h
+ touch $@
+
+# automatic rebuilding in automake-generated Makefiles requires
+# this rule in the toplevel Makefile, which, with GNU make, causes
+# the desired updates through the implicit regeneration of the Makefile
+# and all of its prerequisites.
+am--refresh:
+ @:
+
+force:
+
+force_update:
+
+# GNU Make has an annoying habit of putting *all* the Makefile variables
+# into the environment, unless you include this target as a circumvention.
+# Rumor is that this will be fixed (and this target can be removed)
+# in GNU Make 4.0.
+.NOEXPORT:

-mostlyclean-local: mostlyclean-generic
- @for dir in '' $(MOSTLYCLEANDIRS); do \
- if test -n "$$dir" && test -d $$dir; then \
- echo "rmdir $$dir"; rmdir $$dir; \
- fi; \
- done; \
- :
+# GNU Make 3.63 has a different problem: it keeps tacking command line
+# overrides onto the definition of $(MAKE). This variable setting
+# will remove them.
+MAKEOVERRIDES=

-# Tell versions [3.59,3.63) of GNU make to not export all variables.
-# Otherwise a system limit (for SysV at least) may be exceeded.
-.NOEXPORT:
+### end of the libgnu Makefile.in.
diff --git c/gdb/gnulib/configure.ac w/gdb/gnulib/configure.ac
new file mode 100644
index 0000000..10cb7b4
--- /dev/null
+++ w/gdb/gnulib/configure.ac
@@ -0,0 +1,73 @@
+dnl Autoconf configure script for GDB, the GNU debugger.
+dnl Copyright (C) 1995-2012 Free Software Foundation, Inc.
+dnl
+dnl This file is part of GDB.
+dnl
+dnl This program is free software; you can redistribute it and/or modify
+dnl it under the terms of the GNU General Public License as published by
+dnl the Free Software Foundation; either version 3 of the License, or
+dnl (at your option) any later version.
+dnl
+dnl This program is distributed in the hope that it will be useful,
+dnl but WITHOUT ANY WARRANTY; without even the implied warranty of
+dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+dnl GNU General Public License for more details.
+dnl
+dnl You should have received a copy of the GNU General Public License
+dnl along with this program. If not, see <http://www.gnu.org/licenses/>.
+
+dnl Process this file with autoconf to produce a configure script.
+
+AC_PREREQ(2.64)dnl
+AC_INIT(gnulib/dummy.c)
+AC_CONFIG_HEADER(config.h:config.in)
+AM_MAINTAINER_MODE
+
+AC_PROG_CC
+AC_USE_SYSTEM_EXTENSIONS
+gl_EARLY
+AM_PROG_CC_STDC
+
+AC_CONFIG_AUX_DIR(../..)
+AC_CANONICAL_SYSTEM
+
+# Check for the 'make' the user wants to use.
+AC_CHECK_PROGS(MAKE, make)
+MAKE_IS_GNU=
+case "`$MAKE --version 2>&1 | sed 1q`" in
+ *GNU*)
+ MAKE_IS_GNU=yes
+ ;;
+esac
+AM_CONDITIONAL(GMAKE, test "$MAKE_IS_GNU" = yes)
+AC_PROG_MAKE_SET
+
+gl_INIT
+
+# GDB does not use automake, but gnulib does. This line lets us
+# generate its Makefile.in.
+AM_INIT_AUTOMAKE(libgnu, UNUSED-VERSION, [no-define])
+
+# --------------------- #
+# Checks for programs. #
+# --------------------- #
+
+AC_PROG_INSTALL
+AC_PROG_LN_S
+AC_PROG_RANLIB
+
+AC_CHECK_TOOL(AR, ar)
+
+# ---------------------- #
+# Checks for libraries. #
+# ---------------------- #
+
+AC_OUTPUT(Makefile gnulib/Makefile,
+[
+case x$CONFIG_HEADERS in
+xconfig.h:config.in)
+echo > stamp-h ;;
+esac
+])
+
+exit 0