diff --git a/libsanitizer/ChangeLog b/libsanitizer/ChangeLog
index 267aa42d4845b9c73fbb8dff2cf0325c2c9a47fd..7aade5066d47c7d34f0fef58f89a9e188df734b9 100644
--- a/libsanitizer/ChangeLog
+++ b/libsanitizer/ChangeLog
@@ -1,3 +1,9 @@
+2012-11-16  Tom Tromey  <tromey@redhat.com>
+
+	* configure.ac: Invoke AM_MAINTAINER_MODE.
+	* aclocal.m4, configure, Makefile.in, asan/Makefile.in,
+	interception/Makefile.in, sanitizer_common/Makefile.in: Rebuild.
+
 2012-11-16  H.J. Lu  <hongjiu.lu@intel.com>
 
 	PR other/55333
diff --git a/libsanitizer/Makefile.in b/libsanitizer/Makefile.in
index 773661dbc5c0ce2dbd33ec535b1494ba8b66588e..8d685fdd2187a865a1346397fecb0d6fc7eb95bf 100644
--- a/libsanitizer/Makefile.in
+++ b/libsanitizer/Makefile.in
@@ -159,6 +159,7 @@ LIBTOOL = @LIBTOOL@
 LIPO = @LIPO@
 LN_S = @LN_S@
 LTLIBOBJS = @LTLIBOBJS@
+MAINT = @MAINT@
 MAKEINFO = @MAKEINFO@
 MKDIR_P = @MKDIR_P@
 NM = @NM@
@@ -291,7 +292,7 @@ all: all-recursive
 .SUFFIXES:
 am--refresh:
 	@:
-$(srcdir)/Makefile.in:  $(srcdir)/Makefile.am  $(am__configure_deps)
+$(srcdir)/Makefile.in: @MAINTAINER_MODE_TRUE@ $(srcdir)/Makefile.am  $(am__configure_deps)
 	@for dep in $?; do \
 	  case '$(am__configure_deps)' in \
 	    *$$dep*) \
@@ -318,9 +319,9 @@ Makefile: $(srcdir)/Makefile.in $(top_builddir)/config.status
 $(top_builddir)/config.status: $(top_srcdir)/configure $(CONFIG_STATUS_DEPENDENCIES)
 	$(SHELL) ./config.status --recheck
 
-$(top_srcdir)/configure:  $(am__configure_deps)
+$(top_srcdir)/configure: @MAINTAINER_MODE_TRUE@ $(am__configure_deps)
 	$(am__cd) $(srcdir) && $(AUTOCONF)
-$(ACLOCAL_M4):  $(am__aclocal_m4_deps)
+$(ACLOCAL_M4): @MAINTAINER_MODE_TRUE@ $(am__aclocal_m4_deps)
 	$(am__cd) $(srcdir) && $(ACLOCAL) $(ACLOCAL_AMFLAGS)
 $(am__aclocal_m4_deps):
 
diff --git a/libsanitizer/aclocal.m4 b/libsanitizer/aclocal.m4
index bb585b1cd7f7ba747ffa4908461526d8a6130966..a52bc30b31aea6b84e58a38970b11fd53a863345 100644
--- a/libsanitizer/aclocal.m4
+++ b/libsanitizer/aclocal.m4
@@ -588,6 +588,46 @@ if test x"${install_sh}" != xset; then
 fi
 AC_SUBST(install_sh)])
 
+# Add --enable-maintainer-mode option to configure.         -*- Autoconf -*-
+# From Jim Meyering
+
+# Copyright (C) 1996, 1998, 2000, 2001, 2002, 2003, 2004, 2005, 2008
+# Free Software Foundation, Inc.
+#
+# This file 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.
+
+# serial 5
+
+# AM_MAINTAINER_MODE([DEFAULT-MODE])
+# ----------------------------------
+# Control maintainer-specific portions of Makefiles.
+# Default is to disable them, unless `enable' is passed literally.
+# For symmetry, `disable' may be passed as well.  Anyway, the user
+# can override the default with the --enable/--disable switch.
+AC_DEFUN([AM_MAINTAINER_MODE],
+[m4_case(m4_default([$1], [disable]),
+       [enable], [m4_define([am_maintainer_other], [disable])],
+       [disable], [m4_define([am_maintainer_other], [enable])],
+       [m4_define([am_maintainer_other], [enable])
+        m4_warn([syntax], [unexpected argument to AM@&t@_MAINTAINER_MODE: $1])])
+AC_MSG_CHECKING([whether to am_maintainer_other maintainer-specific portions of Makefiles])
+  dnl maintainer-mode's default is 'disable' unless 'enable' is passed
+  AC_ARG_ENABLE([maintainer-mode],
+[  --][am_maintainer_other][-maintainer-mode  am_maintainer_other make rules and dependencies not useful
+			  (and sometimes confusing) to the casual installer],
+      [USE_MAINTAINER_MODE=$enableval],
+      [USE_MAINTAINER_MODE=]m4_if(am_maintainer_other, [enable], [no], [yes]))
+  AC_MSG_RESULT([$USE_MAINTAINER_MODE])
+  AM_CONDITIONAL([MAINTAINER_MODE], [test $USE_MAINTAINER_MODE = yes])
+  MAINT=$MAINTAINER_MODE_TRUE
+  AC_SUBST([MAINT])dnl
+]
+)
+
+AU_DEFUN([jm_MAINTAINER_MODE], [AM_MAINTAINER_MODE])
+
 # Check to see how 'make' treats includes.	            -*- Autoconf -*-
 
 # Copyright (C) 2001, 2002, 2003, 2005, 2009  Free Software Foundation, Inc.
diff --git a/libsanitizer/asan/Makefile.in b/libsanitizer/asan/Makefile.in
index 451490f9d1c4bdfe4e4c81c8f5bc4d7df77e36e6..e5e8d407c579259dd292552e710a9e87d84f2590 100644
--- a/libsanitizer/asan/Makefile.in
+++ b/libsanitizer/asan/Makefile.in
@@ -151,6 +151,7 @@ LIBTOOL = @LIBTOOL@
 LIPO = @LIPO@
 LN_S = @LN_S@
 LTLIBOBJS = @LTLIBOBJS@
+MAINT = @MAINT@
 MAKEINFO = @MAKEINFO@
 MKDIR_P = @MKDIR_P@
 NM = @NM@
@@ -310,7 +311,7 @@ all: all-am
 
 .SUFFIXES:
 .SUFFIXES: .cc .lo .o .obj
-$(srcdir)/Makefile.in:  $(srcdir)/Makefile.am  $(am__configure_deps)
+$(srcdir)/Makefile.in: @MAINTAINER_MODE_TRUE@ $(srcdir)/Makefile.am  $(am__configure_deps)
 	@for dep in $?; do \
 	  case '$(am__configure_deps)' in \
 	    *$$dep*) \
@@ -335,9 +336,9 @@ Makefile: $(srcdir)/Makefile.in $(top_builddir)/config.status
 $(top_builddir)/config.status: $(top_srcdir)/configure $(CONFIG_STATUS_DEPENDENCIES)
 	cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh
 
-$(top_srcdir)/configure:  $(am__configure_deps)
+$(top_srcdir)/configure: @MAINTAINER_MODE_TRUE@ $(am__configure_deps)
 	cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh
-$(ACLOCAL_M4):  $(am__aclocal_m4_deps)
+$(ACLOCAL_M4): @MAINTAINER_MODE_TRUE@ $(am__aclocal_m4_deps)
 	cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh
 $(am__aclocal_m4_deps):
 install-toolexeclibLTLIBRARIES: $(toolexeclib_LTLIBRARIES)
diff --git a/libsanitizer/configure b/libsanitizer/configure
index 9fbfccb3411cba2708c73ea9c77fb5d53b019f6e..e3b3928f2c016fc3d4991026780dbc33c24e355a 100755
--- a/libsanitizer/configure
+++ b/libsanitizer/configure
@@ -655,6 +655,9 @@ CFLAGS
 CC
 toolexeclibdir
 toolexecdir
+MAINT
+MAINTAINER_MODE_FALSE
+MAINTAINER_MODE_TRUE
 multi_basedir
 am__untar
 am__tar
@@ -734,6 +737,7 @@ ac_user_opts='
 enable_option_checking
 enable_version_specific_runtime_libs
 enable_multilib
+enable_maintainer_mode
 enable_dependency_tracking
 enable_shared
 enable_static
@@ -1379,6 +1383,8 @@ Optional Features:
   --enable-FEATURE[=ARG]  include FEATURE [ARG=yes]
   --enable-version-specific-runtime-libs    Specify that runtime libraries should be installed in a compiler-specific directory
   --enable-multilib       build many library versions (default)
+  --enable-maintainer-mode  enable make rules and dependencies not useful
+			  (and sometimes confusing) to the casual installer
   --disable-dependency-tracking  speeds up one-time build
   --enable-dependency-tracking   do not reject slow dependency extractors
   --enable-shared[=PKGS]  build shared libraries [default=yes]
@@ -2897,6 +2903,29 @@ fi
 ac_config_commands="$ac_config_commands default-1"
 
 
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether to enable maintainer-specific portions of Makefiles" >&5
+$as_echo_n "checking whether to enable maintainer-specific portions of Makefiles... " >&6; }
+    # Check whether --enable-maintainer-mode was given.
+if test "${enable_maintainer_mode+set}" = set; then :
+  enableval=$enable_maintainer_mode; USE_MAINTAINER_MODE=$enableval
+else
+  USE_MAINTAINER_MODE=no
+fi
+
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $USE_MAINTAINER_MODE" >&5
+$as_echo "$USE_MAINTAINER_MODE" >&6; }
+   if test $USE_MAINTAINER_MODE = yes; then
+  MAINTAINER_MODE_TRUE=
+  MAINTAINER_MODE_FALSE='#'
+else
+  MAINTAINER_MODE_TRUE='#'
+  MAINTAINER_MODE_FALSE=
+fi
+
+  MAINT=$MAINTAINER_MODE_TRUE
+
+
+
 # Calculate toolexeclibdir
 # Also toolexecdir, though it's only used in toolexeclibdir
 case ${version_specific_libs} in
@@ -10869,7 +10898,7 @@ else
   lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
   lt_status=$lt_dlunknown
   cat > conftest.$ac_ext <<_LT_EOF
-#line 10872 "configure"
+#line 10901 "configure"
 #include "confdefs.h"
 
 #if HAVE_DLFCN_H
@@ -10975,7 +11004,7 @@ else
   lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
   lt_status=$lt_dlunknown
   cat > conftest.$ac_ext <<_LT_EOF
-#line 10978 "configure"
+#line 11007 "configure"
 #include "confdefs.h"
 
 #if HAVE_DLFCN_H
@@ -14385,6 +14414,10 @@ else
   am__EXEEXT_FALSE=
 fi
 
+if test -z "${MAINTAINER_MODE_TRUE}" && test -z "${MAINTAINER_MODE_FALSE}"; then
+  as_fn_error "conditional \"MAINTAINER_MODE\" was never defined.
+Usually this means the macro was only invoked conditionally." "$LINENO" 5
+fi
 if test -z "${AMDEP_TRUE}" && test -z "${AMDEP_FALSE}"; then
   as_fn_error "conditional \"AMDEP\" was never defined.
 Usually this means the macro was only invoked conditionally." "$LINENO" 5
diff --git a/libsanitizer/configure.ac b/libsanitizer/configure.ac
index 76a19b6372b532c46c7bc075098d4db3da95cde8..4fb576f28383bbf5057de91ead434b2fd662c41e 100644
--- a/libsanitizer/configure.ac
+++ b/libsanitizer/configure.ac
@@ -24,6 +24,7 @@ AC_SUBST(target_alias)
 
 AM_INIT_AUTOMAKE(foreign)
 AM_ENABLE_MULTILIB(, ..)
+AM_MAINTAINER_MODE
 
 # Calculate toolexeclibdir
 # Also toolexecdir, though it's only used in toolexeclibdir
diff --git a/libsanitizer/interception/Makefile.in b/libsanitizer/interception/Makefile.in
index a746ae59d057d20c7d6c2fecefad3a3f7534b68f..b32e86ecdf25824c0d7edeb3f2150dfb2be221b1 100644
--- a/libsanitizer/interception/Makefile.in
+++ b/libsanitizer/interception/Makefile.in
@@ -119,6 +119,7 @@ LIBTOOL = @LIBTOOL@
 LIPO = @LIPO@
 LN_S = @LN_S@
 LTLIBOBJS = @LTLIBOBJS@
+MAINT = @MAINT@
 MAKEINFO = @MAKEINFO@
 MKDIR_P = @MKDIR_P@
 NM = @NM@
@@ -261,7 +262,7 @@ all: all-am
 
 .SUFFIXES:
 .SUFFIXES: .cc .lo .o .obj
-$(srcdir)/Makefile.in:  $(srcdir)/Makefile.am  $(am__configure_deps)
+$(srcdir)/Makefile.in: @MAINTAINER_MODE_TRUE@ $(srcdir)/Makefile.am  $(am__configure_deps)
 	@for dep in $?; do \
 	  case '$(am__configure_deps)' in \
 	    *$$dep*) \
@@ -286,9 +287,9 @@ Makefile: $(srcdir)/Makefile.in $(top_builddir)/config.status
 $(top_builddir)/config.status: $(top_srcdir)/configure $(CONFIG_STATUS_DEPENDENCIES)
 	cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh
 
-$(top_srcdir)/configure:  $(am__configure_deps)
+$(top_srcdir)/configure: @MAINTAINER_MODE_TRUE@ $(am__configure_deps)
 	cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh
-$(ACLOCAL_M4):  $(am__aclocal_m4_deps)
+$(ACLOCAL_M4): @MAINTAINER_MODE_TRUE@ $(am__aclocal_m4_deps)
 	cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh
 $(am__aclocal_m4_deps):
 
diff --git a/libsanitizer/sanitizer_common/Makefile.in b/libsanitizer/sanitizer_common/Makefile.in
index 1e6098c6f74e325a5ea5e89f05e2c27609ade3ad..9c7ee51d6b05417fe284e3463c6bcc72713b0393 100644
--- a/libsanitizer/sanitizer_common/Makefile.in
+++ b/libsanitizer/sanitizer_common/Makefile.in
@@ -124,6 +124,7 @@ LIBTOOL = @LIBTOOL@
 LIPO = @LIPO@
 LN_S = @LN_S@
 LTLIBOBJS = @LTLIBOBJS@
+MAINT = @MAINT@
 MAKEINFO = @MAKEINFO@
 MKDIR_P = @MKDIR_P@
 NM = @NM@
@@ -278,7 +279,7 @@ all: all-am
 
 .SUFFIXES:
 .SUFFIXES: .cc .lo .o .obj
-$(srcdir)/Makefile.in:  $(srcdir)/Makefile.am  $(am__configure_deps)
+$(srcdir)/Makefile.in: @MAINTAINER_MODE_TRUE@ $(srcdir)/Makefile.am  $(am__configure_deps)
 	@for dep in $?; do \
 	  case '$(am__configure_deps)' in \
 	    *$$dep*) \
@@ -303,9 +304,9 @@ Makefile: $(srcdir)/Makefile.in $(top_builddir)/config.status
 $(top_builddir)/config.status: $(top_srcdir)/configure $(CONFIG_STATUS_DEPENDENCIES)
 	cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh
 
-$(top_srcdir)/configure:  $(am__configure_deps)
+$(top_srcdir)/configure: @MAINTAINER_MODE_TRUE@ $(am__configure_deps)
 	cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh
-$(ACLOCAL_M4):  $(am__aclocal_m4_deps)
+$(ACLOCAL_M4): @MAINTAINER_MODE_TRUE@ $(am__aclocal_m4_deps)
 	cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh
 $(am__aclocal_m4_deps):