Sync toplevel files with GCC

2012-11-13  Richard Henderson  <rth@redhat.com>

	* configure.ac: Move libsanitizer logic to subdirectory.
	* configure: Regenerate.

2012-11-13  Dodji Seketeli  <dodji@redhat.com>

	* configure.ac: Enable libsanitizer just on x86 linux for now.
	* configure: Re-generate.

2012-11-13  David Edelsohn  <dje.gcc@gmail.com>

	* configure.ac: Merge libquadmath sections.
	* configure: Regenerate.

2012-11-12  Wei Mi <wmi@google.com>

	* configure.ac: Add libsanitizer to target_libraries.
	* Makefile.def: Ditto.
	* configure: Regenerate.
	* Makefile.in: Regenerate.

5 files changed, 553 insertions, 15 deletions

diff --git a/ChangeLog b/ChangeLog
index 831ab76..7c1ac2e 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,25 @@
+2012-11-13  Richard Henderson  <rth@redhat.com>
+
+	* configure.ac: Move libsanitizer logic to subdirectory.
+	* configure: Regenerate.
+
+2012-11-13  Dodji Seketeli  <dodji@redhat.com>
+
+	* configure.ac: Enable libsanitizer just on x86 linux for now.
+	* configure: Re-generate.
+
+2012-11-13  David Edelsohn  <dje.gcc@gmail.com>
+
+	* configure.ac: Merge libquadmath sections.
+	* configure: Regenerate.
+
+2012-11-12  Wei Mi <wmi@google.com>
+
+	* configure.ac: Add libsanitizer to target_libraries.
+	* Makefile.def: Ditto.
+	* configure: Regenerate.
+	* Makefile.in: Regenerate.
+
 2012-11-03  H.J. Lu  <hongjiu.lu@intel.com>
 
 	* configure: Regenerated.
diff --git a/Makefile.def b/Makefile.def
index c22388a..1ea63ac 100644
--- a/Makefile.def
+++ b/Makefile.def
@@ -119,6 +119,7 @@ target_modules = { module= libstdc++-v3;
 		   lib_path=src/.libs;
 		   raw_cxx=true; };
 target_modules = { module= libmudflap; lib_path=.libs; };
+target_modules = { module= libsanitizer; lib_path=.libs; };
 target_modules = { module= libssp; lib_path=.libs; };
 target_modules = { module= newlib; };
 target_modules = { module= libgcc; bootstrap=true; no_check=true; };
@@ -503,6 +504,7 @@ dependencies = { module=all-target-libjava; on=all-target-libffi; };
 dependencies = { module=configure-target-libobjc; on=configure-target-boehm-gc; };
 dependencies = { module=all-target-libobjc; on=all-target-boehm-gc; };
 dependencies = { module=configure-target-libstdc++-v3; on=configure-target-libgomp; };
+dependencies = { module=configure-target-libsanitizer; on=all-target-libstdc++-v3; };
 // parallel_list.o and parallel_settings.o depend on omp.h, which is
 // generated by the libgomp configure.  Unfortunately, due to the use of
 //  recursive make, we can't be that specific.
diff --git a/Makefile.in b/Makefile.in
index 321fec9..636b2ba 100644
--- a/Makefile.in
+++ b/Makefile.in
@@ -575,7 +575,7 @@ all:
 
 # This is the list of directories that may be needed in RPATH_ENVVAR
 # so that programs built for the target machine work.
-TARGET_LIB_PATH = $(TARGET_LIB_PATH_libstdc++-v3)$(TARGET_LIB_PATH_libmudflap)$(TARGET_LIB_PATH_libssp)$(TARGET_LIB_PATH_libgomp)$(TARGET_LIB_PATH_libitm)$(TARGET_LIB_PATH_libatomic)$(HOST_LIB_PATH_gcc)
+TARGET_LIB_PATH = $(TARGET_LIB_PATH_libstdc++-v3)$(TARGET_LIB_PATH_libmudflap)$(TARGET_LIB_PATH_libsanitizer)$(TARGET_LIB_PATH_libssp)$(TARGET_LIB_PATH_libgomp)$(TARGET_LIB_PATH_libitm)$(TARGET_LIB_PATH_libatomic)$(HOST_LIB_PATH_gcc)
 
 @if target-libstdc++-v3
 TARGET_LIB_PATH_libstdc++-v3 = $$r/$(TARGET_SUBDIR)/libstdc++-v3/src/.libs:
@@ -585,6 +585,10 @@ TARGET_LIB_PATH_libstdc++-v3 = $$r/$(TARGET_SUBDIR)/libstdc++-v3/src/.libs:
 TARGET_LIB_PATH_libmudflap = $$r/$(TARGET_SUBDIR)/libmudflap/.libs:
 @endif target-libmudflap
 
+@if target-libsanitizer
+TARGET_LIB_PATH_libsanitizer = $$r/$(TARGET_SUBDIR)/libsanitizer/.libs:
+@endif target-libsanitizer
+
 @if target-libssp
 TARGET_LIB_PATH_libssp = $$r/$(TARGET_SUBDIR)/libssp/.libs:
 @endif target-libssp
@@ -920,6 +924,7 @@ configure-host:  \
 configure-target:  \
     maybe-configure-target-libstdc++-v3 \
     maybe-configure-target-libmudflap \
+    maybe-configure-target-libsanitizer \
     maybe-configure-target-libssp \
     maybe-configure-target-newlib \
     maybe-configure-target-libgcc \
@@ -1068,6 +1073,7 @@ all-host: maybe-all-lto-plugin
 all-target: maybe-all-target-libstdc++-v3
 @endif target-libstdc++-v3-no-bootstrap
 all-target: maybe-all-target-libmudflap
+all-target: maybe-all-target-libsanitizer
 all-target: maybe-all-target-libssp
 all-target: maybe-all-target-newlib
 @if target-libgcc-no-bootstrap
@@ -1158,6 +1164,7 @@ info-host: maybe-info-lto-plugin
 
 info-target: maybe-info-target-libstdc++-v3
 info-target: maybe-info-target-libmudflap
+info-target: maybe-info-target-libsanitizer
 info-target: maybe-info-target-libssp
 info-target: maybe-info-target-newlib
 info-target: maybe-info-target-libgcc
@@ -1239,6 +1246,7 @@ dvi-host: maybe-dvi-lto-plugin
 
 dvi-target: maybe-dvi-target-libstdc++-v3
 dvi-target: maybe-dvi-target-libmudflap
+dvi-target: maybe-dvi-target-libsanitizer
 dvi-target: maybe-dvi-target-libssp
 dvi-target: maybe-dvi-target-newlib
 dvi-target: maybe-dvi-target-libgcc
@@ -1320,6 +1328,7 @@ pdf-host: maybe-pdf-lto-plugin
 
 pdf-target: maybe-pdf-target-libstdc++-v3
 pdf-target: maybe-pdf-target-libmudflap
+pdf-target: maybe-pdf-target-libsanitizer
 pdf-target: maybe-pdf-target-libssp
 pdf-target: maybe-pdf-target-newlib
 pdf-target: maybe-pdf-target-libgcc
@@ -1401,6 +1410,7 @@ html-host: maybe-html-lto-plugin
 
 html-target: maybe-html-target-libstdc++-v3
 html-target: maybe-html-target-libmudflap
+html-target: maybe-html-target-libsanitizer
 html-target: maybe-html-target-libssp
 html-target: maybe-html-target-newlib
 html-target: maybe-html-target-libgcc
@@ -1482,6 +1492,7 @@ TAGS-host: maybe-TAGS-lto-plugin
 
 TAGS-target: maybe-TAGS-target-libstdc++-v3
 TAGS-target: maybe-TAGS-target-libmudflap
+TAGS-target: maybe-TAGS-target-libsanitizer
 TAGS-target: maybe-TAGS-target-libssp
 TAGS-target: maybe-TAGS-target-newlib
 TAGS-target: maybe-TAGS-target-libgcc
@@ -1563,6 +1574,7 @@ install-info-host: maybe-install-info-lto-plugin
 
 install-info-target: maybe-install-info-target-libstdc++-v3
 install-info-target: maybe-install-info-target-libmudflap
+install-info-target: maybe-install-info-target-libsanitizer
 install-info-target: maybe-install-info-target-libssp
 install-info-target: maybe-install-info-target-newlib
 install-info-target: maybe-install-info-target-libgcc
@@ -1644,6 +1656,7 @@ install-pdf-host: maybe-install-pdf-lto-plugin
 
 install-pdf-target: maybe-install-pdf-target-libstdc++-v3
 install-pdf-target: maybe-install-pdf-target-libmudflap
+install-pdf-target: maybe-install-pdf-target-libsanitizer
 install-pdf-target: maybe-install-pdf-target-libssp
 install-pdf-target: maybe-install-pdf-target-newlib
 install-pdf-target: maybe-install-pdf-target-libgcc
@@ -1725,6 +1738,7 @@ install-html-host: maybe-install-html-lto-plugin
 
 install-html-target: maybe-install-html-target-libstdc++-v3
 install-html-target: maybe-install-html-target-libmudflap
+install-html-target: maybe-install-html-target-libsanitizer
 install-html-target: maybe-install-html-target-libssp
 install-html-target: maybe-install-html-target-newlib
 install-html-target: maybe-install-html-target-libgcc
@@ -1806,6 +1820,7 @@ installcheck-host: maybe-installcheck-lto-plugin
 
 installcheck-target: maybe-installcheck-target-libstdc++-v3
 installcheck-target: maybe-installcheck-target-libmudflap
+installcheck-target: maybe-installcheck-target-libsanitizer
 installcheck-target: maybe-installcheck-target-libssp
 installcheck-target: maybe-installcheck-target-newlib
 installcheck-target: maybe-installcheck-target-libgcc
@@ -1887,6 +1902,7 @@ mostlyclean-host: maybe-mostlyclean-lto-plugin
 
 mostlyclean-target: maybe-mostlyclean-target-libstdc++-v3
 mostlyclean-target: maybe-mostlyclean-target-libmudflap
+mostlyclean-target: maybe-mostlyclean-target-libsanitizer
 mostlyclean-target: maybe-mostlyclean-target-libssp
 mostlyclean-target: maybe-mostlyclean-target-newlib
 mostlyclean-target: maybe-mostlyclean-target-libgcc
@@ -1968,6 +1984,7 @@ clean-host: maybe-clean-lto-plugin
 
 clean-target: maybe-clean-target-libstdc++-v3
 clean-target: maybe-clean-target-libmudflap
+clean-target: maybe-clean-target-libsanitizer
 clean-target: maybe-clean-target-libssp
 clean-target: maybe-clean-target-newlib
 clean-target: maybe-clean-target-libgcc
@@ -2049,6 +2066,7 @@ distclean-host: maybe-distclean-lto-plugin
 
 distclean-target: maybe-distclean-target-libstdc++-v3
 distclean-target: maybe-distclean-target-libmudflap
+distclean-target: maybe-distclean-target-libsanitizer
 distclean-target: maybe-distclean-target-libssp
 distclean-target: maybe-distclean-target-newlib
 distclean-target: maybe-distclean-target-libgcc
@@ -2130,6 +2148,7 @@ maintainer-clean-host: maybe-maintainer-clean-lto-plugin
 
 maintainer-clean-target: maybe-maintainer-clean-target-libstdc++-v3
 maintainer-clean-target: maybe-maintainer-clean-target-libmudflap
+maintainer-clean-target: maybe-maintainer-clean-target-libsanitizer
 maintainer-clean-target: maybe-maintainer-clean-target-libssp
 maintainer-clean-target: maybe-maintainer-clean-target-newlib
 maintainer-clean-target: maybe-maintainer-clean-target-libgcc
@@ -2266,6 +2285,7 @@ check-host:  \
 check-target:  \
     maybe-check-target-libstdc++-v3 \
     maybe-check-target-libmudflap \
+    maybe-check-target-libsanitizer \
     maybe-check-target-libssp \
     maybe-check-target-newlib \
     maybe-check-target-libgcc \
@@ -2420,6 +2440,7 @@ install-host:  \
 install-target:  \
     maybe-install-target-libstdc++-v3 \
     maybe-install-target-libmudflap \
+    maybe-install-target-libsanitizer \
     maybe-install-target-libssp \
     maybe-install-target-newlib \
     maybe-install-target-libgcc \
@@ -2521,6 +2542,7 @@ install-strip-host:  \
 install-strip-target:  \
     maybe-install-strip-target-libstdc++-v3 \
     maybe-install-strip-target-libmudflap \
+    maybe-install-strip-target-libsanitizer \
     maybe-install-strip-target-libssp \
     maybe-install-strip-target-newlib \
     maybe-install-strip-target-libgcc \
@@ -32154,6 +32176,463 @@ maintainer-clean-target-libmudflap:
 
 
 
+.PHONY: configure-target-libsanitizer maybe-configure-target-libsanitizer
+maybe-configure-target-libsanitizer:
+@if gcc-bootstrap
+configure-target-libsanitizer: stage_current
+@endif gcc-bootstrap
+@if target-libsanitizer
+maybe-configure-target-libsanitizer: configure-target-libsanitizer
+configure-target-libsanitizer: 
+	@: $(MAKE); $(unstage)
+	@r=`${PWD_COMMAND}`; export r; \
+	s=`cd $(srcdir); ${PWD_COMMAND}`; export s; \
+	echo "Checking multilib configuration for libsanitizer..."; \
+	$(SHELL) $(srcdir)/mkinstalldirs $(TARGET_SUBDIR)/libsanitizer ; \
+	$(CC_FOR_TARGET) --print-multi-lib > $(TARGET_SUBDIR)/libsanitizer/multilib.tmp 2> /dev/null ; \
+	if test -r $(TARGET_SUBDIR)/libsanitizer/multilib.out; then \
+	  if cmp -s $(TARGET_SUBDIR)/libsanitizer/multilib.tmp $(TARGET_SUBDIR)/libsanitizer/multilib.out; then \
+	    rm -f $(TARGET_SUBDIR)/libsanitizer/multilib.tmp; \
+	  else \
+	    rm -f $(TARGET_SUBDIR)/libsanitizer/Makefile; \
+	    mv $(TARGET_SUBDIR)/libsanitizer/multilib.tmp $(TARGET_SUBDIR)/libsanitizer/multilib.out; \
+	  fi; \
+	else \
+	  mv $(TARGET_SUBDIR)/libsanitizer/multilib.tmp $(TARGET_SUBDIR)/libsanitizer/multilib.out; \
+	fi; \
+	test ! -f $(TARGET_SUBDIR)/libsanitizer/Makefile || exit 0; \
+	$(SHELL) $(srcdir)/mkinstalldirs $(TARGET_SUBDIR)/libsanitizer ; \
+	$(NORMAL_TARGET_EXPORTS)  \
+	echo Configuring in $(TARGET_SUBDIR)/libsanitizer; \
+	cd "$(TARGET_SUBDIR)/libsanitizer" || exit 1; \
+	case $(srcdir) in \
+	  /* | [A-Za-z]:[\\/]*) topdir=$(srcdir) ;; \
+	  *) topdir=`echo $(TARGET_SUBDIR)/libsanitizer/ | \
+		sed -e 's,\./,,g' -e 's,[^/]*/,../,g' `$(srcdir) ;; \
+	esac; \
+	srcdiroption="--srcdir=$${topdir}/libsanitizer"; \
+	libsrcdir="$$s/libsanitizer"; \
+	rm -f no-such-file || : ; \
+	CONFIG_SITE=no-such-file $(SHELL) $${libsrcdir}/configure \
+	  $(TARGET_CONFIGARGS) --build=${build_alias} --host=${target_alias} \
+	  --target=${target_alias} $${srcdiroption}  \
+	  || exit 1
+@endif target-libsanitizer
+
+
+
+
+
+.PHONY: all-target-libsanitizer maybe-all-target-libsanitizer
+maybe-all-target-libsanitizer:
+@if gcc-bootstrap
+all-target-libsanitizer: stage_current
+@endif gcc-bootstrap
+@if target-libsanitizer
+TARGET-target-libsanitizer=all
+maybe-all-target-libsanitizer: all-target-libsanitizer
+all-target-libsanitizer: configure-target-libsanitizer
+	@: $(MAKE); $(unstage)
+	@r=`${PWD_COMMAND}`; export r; \
+	s=`cd $(srcdir); ${PWD_COMMAND}`; export s; \
+	$(NORMAL_TARGET_EXPORTS)  \
+	(cd $(TARGET_SUBDIR)/libsanitizer && \
+	  $(MAKE) $(BASE_FLAGS_TO_PASS) $(EXTRA_TARGET_FLAGS)   \
+		$(TARGET-target-libsanitizer))
+@endif target-libsanitizer
+
+
+
+
+
+.PHONY: check-target-libsanitizer maybe-check-target-libsanitizer
+maybe-check-target-libsanitizer:
+@if target-libsanitizer
+maybe-check-target-libsanitizer: check-target-libsanitizer
+
+check-target-libsanitizer:
+	@: $(MAKE); $(unstage)
+	@r=`${PWD_COMMAND}`; export r; \
+	s=`cd $(srcdir); ${PWD_COMMAND}`; export s; \
+	$(NORMAL_TARGET_EXPORTS) \
+	(cd $(TARGET_SUBDIR)/libsanitizer && \
+	  $(MAKE) $(TARGET_FLAGS_TO_PASS)   check)
+
+@endif target-libsanitizer
+
+.PHONY: install-target-libsanitizer maybe-install-target-libsanitizer
+maybe-install-target-libsanitizer:
+@if target-libsanitizer
+maybe-install-target-libsanitizer: install-target-libsanitizer
+
+install-target-libsanitizer: installdirs
+	@: $(MAKE); $(unstage)
+	@r=`${PWD_COMMAND}`; export r; \
+	s=`cd $(srcdir); ${PWD_COMMAND}`; export s; \
+	$(NORMAL_TARGET_EXPORTS) \
+	(cd $(TARGET_SUBDIR)/libsanitizer && \
+	  $(MAKE) $(TARGET_FLAGS_TO_PASS)  install)
+
+@endif target-libsanitizer
+
+.PHONY: install-strip-target-libsanitizer maybe-install-strip-target-libsanitizer
+maybe-install-strip-target-libsanitizer:
+@if target-libsanitizer
+maybe-install-strip-target-libsanitizer: install-strip-target-libsanitizer
+
+install-strip-target-libsanitizer: installdirs
+	@: $(MAKE); $(unstage)
+	@r=`${PWD_COMMAND}`; export r; \
+	s=`cd $(srcdir); ${PWD_COMMAND}`; export s; \
+	$(NORMAL_TARGET_EXPORTS) \
+	(cd $(TARGET_SUBDIR)/libsanitizer && \
+	  $(MAKE) $(TARGET_FLAGS_TO_PASS)  install-strip)
+
+@endif target-libsanitizer
+
+# Other targets (info, dvi, pdf, etc.)
+
+.PHONY: maybe-info-target-libsanitizer info-target-libsanitizer
+maybe-info-target-libsanitizer:
+@if target-libsanitizer
+maybe-info-target-libsanitizer: info-target-libsanitizer
+
+info-target-libsanitizer: \
+    configure-target-libsanitizer 
+	@: $(MAKE); $(unstage)
+	@[ -f $(TARGET_SUBDIR)/libsanitizer/Makefile ] || exit 0 ; \
+	r=`${PWD_COMMAND}`; export r; \
+	s=`cd $(srcdir); ${PWD_COMMAND}`; export s; \
+	$(NORMAL_TARGET_EXPORTS) \
+	echo "Doing info in $(TARGET_SUBDIR)/libsanitizer" ; \
+	for flag in $(EXTRA_TARGET_FLAGS); do \
+	  eval `echo "$$flag" | sed -e "s|^\([^=]*\)=\(.*\)|\1='\2'; export \1|"`; \
+	done; \
+	(cd $(TARGET_SUBDIR)/libsanitizer && \
+	  $(MAKE) $(BASE_FLAGS_TO_PASS) "AR=$${AR}" "AS=$${AS}" \
+	          "CC=$${CC}" "CXX=$${CXX}" "LD=$${LD}" "NM=$${NM}" \
+	          "RANLIB=$${RANLIB}" \
+	          "DLLTOOL=$${DLLTOOL}" "WINDRES=$${WINDRES}" "WINDMC=$${WINDMC}" \
+	           info) \
+	  || exit 1
+
+@endif target-libsanitizer
+
+.PHONY: maybe-dvi-target-libsanitizer dvi-target-libsanitizer
+maybe-dvi-target-libsanitizer:
+@if target-libsanitizer
+maybe-dvi-target-libsanitizer: dvi-target-libsanitizer
+
+dvi-target-libsanitizer: \
+    configure-target-libsanitizer 
+	@: $(MAKE); $(unstage)
+	@[ -f $(TARGET_SUBDIR)/libsanitizer/Makefile ] || exit 0 ; \
+	r=`${PWD_COMMAND}`; export r; \
+	s=`cd $(srcdir); ${PWD_COMMAND}`; export s; \
+	$(NORMAL_TARGET_EXPORTS) \
+	echo "Doing dvi in $(TARGET_SUBDIR)/libsanitizer" ; \
+	for flag in $(EXTRA_TARGET_FLAGS); do \
+	  eval `echo "$$flag" | sed -e "s|^\([^=]*\)=\(.*\)|\1='\2'; export \1|"`; \
+	done; \
+	(cd $(TARGET_SUBDIR)/libsanitizer && \
+	  $(MAKE) $(BASE_FLAGS_TO_PASS) "AR=$${AR}" "AS=$${AS}" \
+	          "CC=$${CC}" "CXX=$${CXX}" "LD=$${LD}" "NM=$${NM}" \
+	          "RANLIB=$${RANLIB}" \
+	          "DLLTOOL=$${DLLTOOL}" "WINDRES=$${WINDRES}" "WINDMC=$${WINDMC}" \
+	           dvi) \
+	  || exit 1
+
+@endif target-libsanitizer
+
+.PHONY: maybe-pdf-target-libsanitizer pdf-target-libsanitizer
+maybe-pdf-target-libsanitizer:
+@if target-libsanitizer
+maybe-pdf-target-libsanitizer: pdf-target-libsanitizer
+
+pdf-target-libsanitizer: \
+    configure-target-libsanitizer 
+	@: $(MAKE); $(unstage)
+	@[ -f $(TARGET_SUBDIR)/libsanitizer/Makefile ] || exit 0 ; \
+	r=`${PWD_COMMAND}`; export r; \
+	s=`cd $(srcdir); ${PWD_COMMAND}`; export s; \
+	$(NORMAL_TARGET_EXPORTS) \
+	echo "Doing pdf in $(TARGET_SUBDIR)/libsanitizer" ; \
+	for flag in $(EXTRA_TARGET_FLAGS); do \
+	  eval `echo "$$flag" | sed -e "s|^\([^=]*\)=\(.*\)|\1='\2'; export \1|"`; \
+	done; \
+	(cd $(TARGET_SUBDIR)/libsanitizer && \
+	  $(MAKE) $(BASE_FLAGS_TO_PASS) "AR=$${AR}" "AS=$${AS}" \
+	          "CC=$${CC}" "CXX=$${CXX}" "LD=$${LD}" "NM=$${NM}" \
+	          "RANLIB=$${RANLIB}" \
+	          "DLLTOOL=$${DLLTOOL}" "WINDRES=$${WINDRES}" "WINDMC=$${WINDMC}" \
+	           pdf) \
+	  || exit 1
+
+@endif target-libsanitizer
+
+.PHONY: maybe-html-target-libsanitizer html-target-libsanitizer
+maybe-html-target-libsanitizer:
+@if target-libsanitizer
+maybe-html-target-libsanitizer: html-target-libsanitizer
+
+html-target-libsanitizer: \
+    configure-target-libsanitizer 
+	@: $(MAKE); $(unstage)
+	@[ -f $(TARGET_SUBDIR)/libsanitizer/Makefile ] || exit 0 ; \
+	r=`${PWD_COMMAND}`; export r; \
+	s=`cd $(srcdir); ${PWD_COMMAND}`; export s; \
+	$(NORMAL_TARGET_EXPORTS) \
+	echo "Doing html in $(TARGET_SUBDIR)/libsanitizer" ; \
+	for flag in $(EXTRA_TARGET_FLAGS); do \
+	  eval `echo "$$flag" | sed -e "s|^\([^=]*\)=\(.*\)|\1='\2'; export \1|"`; \
+	done; \
+	(cd $(TARGET_SUBDIR)/libsanitizer && \
+	  $(MAKE) $(BASE_FLAGS_TO_PASS) "AR=$${AR}" "AS=$${AS}" \
+	          "CC=$${CC}" "CXX=$${CXX}" "LD=$${LD}" "NM=$${NM}" \
+	          "RANLIB=$${RANLIB}" \
+	          "DLLTOOL=$${DLLTOOL}" "WINDRES=$${WINDRES}" "WINDMC=$${WINDMC}" \
+	           html) \
+	  || exit 1
+
+@endif target-libsanitizer
+
+.PHONY: maybe-TAGS-target-libsanitizer TAGS-target-libsanitizer
+maybe-TAGS-target-libsanitizer:
+@if target-libsanitizer
+maybe-TAGS-target-libsanitizer: TAGS-target-libsanitizer
+
+TAGS-target-libsanitizer: \
+    configure-target-libsanitizer 
+	@: $(MAKE); $(unstage)
+	@[ -f $(TARGET_SUBDIR)/libsanitizer/Makefile ] || exit 0 ; \
+	r=`${PWD_COMMAND}`; export r; \
+	s=`cd $(srcdir); ${PWD_COMMAND}`; export s; \
+	$(NORMAL_TARGET_EXPORTS) \
+	echo "Doing TAGS in $(TARGET_SUBDIR)/libsanitizer" ; \
+	for flag in $(EXTRA_TARGET_FLAGS); do \
+	  eval `echo "$$flag" | sed -e "s|^\([^=]*\)=\(.*\)|\1='\2'; export \1|"`; \
+	done; \
+	(cd $(TARGET_SUBDIR)/libsanitizer && \
+	  $(MAKE) $(BASE_FLAGS_TO_PASS) "AR=$${AR}" "AS=$${AS}" \
+	          "CC=$${CC}" "CXX=$${CXX}" "LD=$${LD}" "NM=$${NM}" \
+	          "RANLIB=$${RANLIB}" \
+	          "DLLTOOL=$${DLLTOOL}" "WINDRES=$${WINDRES}" "WINDMC=$${WINDMC}" \
+	           TAGS) \
+	  || exit 1
+
+@endif target-libsanitizer
+
+.PHONY: maybe-install-info-target-libsanitizer install-info-target-libsanitizer
+maybe-install-info-target-libsanitizer:
+@if target-libsanitizer
+maybe-install-info-target-libsanitizer: install-info-target-libsanitizer
+
+install-info-target-libsanitizer: \
+    configure-target-libsanitizer \
+    info-target-libsanitizer 
+	@: $(MAKE); $(unstage)
+	@[ -f $(TARGET_SUBDIR)/libsanitizer/Makefile ] || exit 0 ; \
+	r=`${PWD_COMMAND}`; export r; \
+	s=`cd $(srcdir); ${PWD_COMMAND}`; export s; \
+	$(NORMAL_TARGET_EXPORTS) \
+	echo "Doing install-info in $(TARGET_SUBDIR)/libsanitizer" ; \
+	for flag in $(EXTRA_TARGET_FLAGS); do \
+	  eval `echo "$$flag" | sed -e "s|^\([^=]*\)=\(.*\)|\1='\2'; export \1|"`; \
+	done; \
+	(cd $(TARGET_SUBDIR)/libsanitizer && \
+	  $(MAKE) $(BASE_FLAGS_TO_PASS) "AR=$${AR}" "AS=$${AS}" \
+	          "CC=$${CC}" "CXX=$${CXX}" "LD=$${LD}" "NM=$${NM}" \
+	          "RANLIB=$${RANLIB}" \
+	          "DLLTOOL=$${DLLTOOL}" "WINDRES=$${WINDRES}" "WINDMC=$${WINDMC}" \
+	           install-info) \
+	  || exit 1
+
+@endif target-libsanitizer
+
+.PHONY: maybe-install-pdf-target-libsanitizer install-pdf-target-libsanitizer
+maybe-install-pdf-target-libsanitizer:
+@if target-libsanitizer
+maybe-install-pdf-target-libsanitizer: install-pdf-target-libsanitizer
+
+install-pdf-target-libsanitizer: \
+    configure-target-libsanitizer \
+    pdf-target-libsanitizer 
+	@: $(MAKE); $(unstage)
+	@[ -f $(TARGET_SUBDIR)/libsanitizer/Makefile ] || exit 0 ; \
+	r=`${PWD_COMMAND}`; export r; \
+	s=`cd $(srcdir); ${PWD_COMMAND}`; export s; \
+	$(NORMAL_TARGET_EXPORTS) \
+	echo "Doing install-pdf in $(TARGET_SUBDIR)/libsanitizer" ; \
+	for flag in $(EXTRA_TARGET_FLAGS); do \
+	  eval `echo "$$flag" | sed -e "s|^\([^=]*\)=\(.*\)|\1='\2'; export \1|"`; \
+	done; \
+	(cd $(TARGET_SUBDIR)/libsanitizer && \
+	  $(MAKE) $(BASE_FLAGS_TO_PASS) "AR=$${AR}" "AS=$${AS}" \
+	          "CC=$${CC}" "CXX=$${CXX}" "LD=$${LD}" "NM=$${NM}" \
+	          "RANLIB=$${RANLIB}" \
+	          "DLLTOOL=$${DLLTOOL}" "WINDRES=$${WINDRES}" "WINDMC=$${WINDMC}" \
+	           install-pdf) \
+	  || exit 1
+
+@endif target-libsanitizer
+
+.PHONY: maybe-install-html-target-libsanitizer install-html-target-libsanitizer
+maybe-install-html-target-libsanitizer:
+@if target-libsanitizer
+maybe-install-html-target-libsanitizer: install-html-target-libsanitizer
+
+install-html-target-libsanitizer: \
+    configure-target-libsanitizer \
+    html-target-libsanitizer 
+	@: $(MAKE); $(unstage)
+	@[ -f $(TARGET_SUBDIR)/libsanitizer/Makefile ] || exit 0 ; \
+	r=`${PWD_COMMAND}`; export r; \
+	s=`cd $(srcdir); ${PWD_COMMAND}`; export s; \
+	$(NORMAL_TARGET_EXPORTS) \
+	echo "Doing install-html in $(TARGET_SUBDIR)/libsanitizer" ; \
+	for flag in $(EXTRA_TARGET_FLAGS); do \
+	  eval `echo "$$flag" | sed -e "s|^\([^=]*\)=\(.*\)|\1='\2'; export \1|"`; \
+	done; \
+	(cd $(TARGET_SUBDIR)/libsanitizer && \
+	  $(MAKE) $(BASE_FLAGS_TO_PASS) "AR=$${AR}" "AS=$${AS}" \
+	          "CC=$${CC}" "CXX=$${CXX}" "LD=$${LD}" "NM=$${NM}" \
+	          "RANLIB=$${RANLIB}" \
+	          "DLLTOOL=$${DLLTOOL}" "WINDRES=$${WINDRES}" "WINDMC=$${WINDMC}" \
+	           install-html) \
+	  || exit 1
+
+@endif target-libsanitizer
+
+.PHONY: maybe-installcheck-target-libsanitizer installcheck-target-libsanitizer
+maybe-installcheck-target-libsanitizer:
+@if target-libsanitizer
+maybe-installcheck-target-libsanitizer: installcheck-target-libsanitizer
+
+installcheck-target-libsanitizer: \
+    configure-target-libsanitizer 
+	@: $(MAKE); $(unstage)
+	@[ -f $(TARGET_SUBDIR)/libsanitizer/Makefile ] || exit 0 ; \
+	r=`${PWD_COMMAND}`; export r; \
+	s=`cd $(srcdir); ${PWD_COMMAND}`; export s; \
+	$(NORMAL_TARGET_EXPORTS) \
+	echo "Doing installcheck in $(TARGET_SUBDIR)/libsanitizer" ; \
+	for flag in $(EXTRA_TARGET_FLAGS); do \
+	  eval `echo "$$flag" | sed -e "s|^\([^=]*\)=\(.*\)|\1='\2'; export \1|"`; \
+	done; \
+	(cd $(TARGET_SUBDIR)/libsanitizer && \
+	  $(MAKE) $(BASE_FLAGS_TO_PASS) "AR=$${AR}" "AS=$${AS}" \
+	          "CC=$${CC}" "CXX=$${CXX}" "LD=$${LD}" "NM=$${NM}" \
+	          "RANLIB=$${RANLIB}" \
+	          "DLLTOOL=$${DLLTOOL}" "WINDRES=$${WINDRES}" "WINDMC=$${WINDMC}" \
+	           installcheck) \
+	  || exit 1
+
+@endif target-libsanitizer
+
+.PHONY: maybe-mostlyclean-target-libsanitizer mostlyclean-target-libsanitizer
+maybe-mostlyclean-target-libsanitizer:
+@if target-libsanitizer
+maybe-mostlyclean-target-libsanitizer: mostlyclean-target-libsanitizer
+
+mostlyclean-target-libsanitizer: 
+	@: $(MAKE); $(unstage)
+	@[ -f $(TARGET_SUBDIR)/libsanitizer/Makefile ] || exit 0 ; \
+	r=`${PWD_COMMAND}`; export r; \
+	s=`cd $(srcdir); ${PWD_COMMAND}`; export s; \
+	$(NORMAL_TARGET_EXPORTS) \
+	echo "Doing mostlyclean in $(TARGET_SUBDIR)/libsanitizer" ; \
+	for flag in $(EXTRA_TARGET_FLAGS); do \
+	  eval `echo "$$flag" | sed -e "s|^\([^=]*\)=\(.*\)|\1='\2'; export \1|"`; \
+	done; \
+	(cd $(TARGET_SUBDIR)/libsanitizer && \
+	  $(MAKE) $(BASE_FLAGS_TO_PASS) "AR=$${AR}" "AS=$${AS}" \
+	          "CC=$${CC}" "CXX=$${CXX}" "LD=$${LD}" "NM=$${NM}" \
+	          "RANLIB=$${RANLIB}" \
+	          "DLLTOOL=$${DLLTOOL}" "WINDRES=$${WINDRES}" "WINDMC=$${WINDMC}" \
+	           mostlyclean) \
+	  || exit 1
+
+@endif target-libsanitizer
+
+.PHONY: maybe-clean-target-libsanitizer clean-target-libsanitizer
+maybe-clean-target-libsanitizer:
+@if target-libsanitizer
+maybe-clean-target-libsanitizer: clean-target-libsanitizer
+
+clean-target-libsanitizer: 
+	@: $(MAKE); $(unstage)
+	@[ -f $(TARGET_SUBDIR)/libsanitizer/Makefile ] || exit 0 ; \
+	r=`${PWD_COMMAND}`; export r; \
+	s=`cd $(srcdir); ${PWD_COMMAND}`; export s; \
+	$(NORMAL_TARGET_EXPORTS) \
+	echo "Doing clean in $(TARGET_SUBDIR)/libsanitizer" ; \
+	for flag in $(EXTRA_TARGET_FLAGS); do \
+	  eval `echo "$$flag" | sed -e "s|^\([^=]*\)=\(.*\)|\1='\2'; export \1|"`; \
+	done; \
+	(cd $(TARGET_SUBDIR)/libsanitizer && \
+	  $(MAKE) $(BASE_FLAGS_TO_PASS) "AR=$${AR}" "AS=$${AS}" \
+	          "CC=$${CC}" "CXX=$${CXX}" "LD=$${LD}" "NM=$${NM}" \
+	          "RANLIB=$${RANLIB}" \
+	          "DLLTOOL=$${DLLTOOL}" "WINDRES=$${WINDRES}" "WINDMC=$${WINDMC}" \
+	           clean) \
+	  || exit 1
+
+@endif target-libsanitizer
+
+.PHONY: maybe-distclean-target-libsanitizer distclean-target-libsanitizer
+maybe-distclean-target-libsanitizer:
+@if target-libsanitizer
+maybe-distclean-target-libsanitizer: distclean-target-libsanitizer
+
+distclean-target-libsanitizer: 
+	@: $(MAKE); $(unstage)
+	@[ -f $(TARGET_SUBDIR)/libsanitizer/Makefile ] || exit 0 ; \
+	r=`${PWD_COMMAND}`; export r; \
+	s=`cd $(srcdir); ${PWD_COMMAND}`; export s; \
+	$(NORMAL_TARGET_EXPORTS) \
+	echo "Doing distclean in $(TARGET_SUBDIR)/libsanitizer" ; \
+	for flag in $(EXTRA_TARGET_FLAGS); do \
+	  eval `echo "$$flag" | sed -e "s|^\([^=]*\)=\(.*\)|\1='\2'; export \1|"`; \
+	done; \
+	(cd $(TARGET_SUBDIR)/libsanitizer && \
+	  $(MAKE) $(BASE_FLAGS_TO_PASS) "AR=$${AR}" "AS=$${AS}" \
+	          "CC=$${CC}" "CXX=$${CXX}" "LD=$${LD}" "NM=$${NM}" \
+	          "RANLIB=$${RANLIB}" \
+	          "DLLTOOL=$${DLLTOOL}" "WINDRES=$${WINDRES}" "WINDMC=$${WINDMC}" \
+	           distclean) \
+	  || exit 1
+
+@endif target-libsanitizer
+
+.PHONY: maybe-maintainer-clean-target-libsanitizer maintainer-clean-target-libsanitizer
+maybe-maintainer-clean-target-libsanitizer:
+@if target-libsanitizer
+maybe-maintainer-clean-target-libsanitizer: maintainer-clean-target-libsanitizer
+
+maintainer-clean-target-libsanitizer: 
+	@: $(MAKE); $(unstage)
+	@[ -f $(TARGET_SUBDIR)/libsanitizer/Makefile ] || exit 0 ; \
+	r=`${PWD_COMMAND}`; export r; \
+	s=`cd $(srcdir); ${PWD_COMMAND}`; export s; \
+	$(NORMAL_TARGET_EXPORTS) \
+	echo "Doing maintainer-clean in $(TARGET_SUBDIR)/libsanitizer" ; \
+	for flag in $(EXTRA_TARGET_FLAGS); do \
+	  eval `echo "$$flag" | sed -e "s|^\([^=]*\)=\(.*\)|\1='\2'; export \1|"`; \
+	done; \
+	(cd $(TARGET_SUBDIR)/libsanitizer && \
+	  $(MAKE) $(BASE_FLAGS_TO_PASS) "AR=$${AR}" "AS=$${AS}" \
+	          "CC=$${CC}" "CXX=$${CXX}" "LD=$${LD}" "NM=$${NM}" \
+	          "RANLIB=$${RANLIB}" \
+	          "DLLTOOL=$${DLLTOOL}" "WINDRES=$${WINDRES}" "WINDMC=$${WINDMC}" \
+	           maintainer-clean) \
+	  || exit 1
+
+@endif target-libsanitizer
+
+
+
+
+
 .PHONY: configure-target-libssp maybe-configure-target-libssp
 maybe-configure-target-libssp:
 @if gcc-bootstrap
@@ -44390,6 +44869,7 @@ configure-stage4-target-libstdc++-v3: maybe-all-stage4-gcc
 configure-stageprofile-target-libstdc++-v3: maybe-all-stageprofile-gcc
 configure-stagefeedback-target-libstdc++-v3: maybe-all-stagefeedback-gcc
 configure-target-libmudflap: stage_last
+configure-target-libsanitizer: stage_last
 configure-target-libssp: stage_last
 configure-target-newlib: stage_last
 configure-stage1-target-libgcc: maybe-all-stage1-gcc
@@ -44425,6 +44905,7 @@ configure-target-libatomic: stage_last
 @if gcc-no-bootstrap
 configure-target-libstdc++-v3: maybe-all-gcc
 configure-target-libmudflap: maybe-all-gcc
+configure-target-libsanitizer: maybe-all-gcc
 configure-target-libssp: maybe-all-gcc
 configure-target-newlib: maybe-all-gcc
 configure-target-libgcc: maybe-all-gcc
@@ -45166,6 +45647,7 @@ configure-stage3-target-libstdc++-v3: maybe-configure-stage3-target-libgomp
 configure-stage4-target-libstdc++-v3: maybe-configure-stage4-target-libgomp
 configure-stageprofile-target-libstdc++-v3: maybe-configure-stageprofile-target-libgomp
 configure-stagefeedback-target-libstdc++-v3: maybe-configure-stagefeedback-target-libgomp
+configure-target-libsanitizer: maybe-all-target-libstdc++-v3
 all-target-libstdc++-v3: maybe-configure-target-libgomp
 
 all-stage1-target-libstdc++-v3: maybe-configure-stage1-target-libgomp
@@ -45204,6 +45686,7 @@ configure-stagefeedback-target-libgomp: maybe-all-stagefeedback-target-libgcc
 @if gcc-no-bootstrap
 configure-target-libstdc++-v3: maybe-all-target-libgcc
 configure-target-libmudflap: maybe-all-target-libgcc
+configure-target-libsanitizer: maybe-all-target-libgcc
 configure-target-libssp: maybe-all-target-libgcc
 configure-target-newlib: maybe-all-target-libgcc
 configure-target-libbacktrace: maybe-all-target-libgcc
@@ -45230,6 +45713,8 @@ configure-target-libstdc++-v3: maybe-all-target-newlib maybe-all-target-libgloss
 
 configure-target-libmudflap: maybe-all-target-newlib maybe-all-target-libgloss
 
+configure-target-libsanitizer: maybe-all-target-newlib maybe-all-target-libgloss
+
 configure-target-libssp: maybe-all-target-newlib maybe-all-target-libgloss
 
 
diff --git a/configure b/configure
index 95828ae..45e521e 100755
--- a/configure
+++ b/configure
@@ -2773,6 +2773,7 @@ target_libraries="target-libgcc \
 		target-libitm \
 		target-libstdc++-v3 \
 		target-libmudflap \
+		target-libsanitizer \
 		target-libssp \
 		target-libquadmath \
 		target-libgfortran \
@@ -3195,8 +3196,30 @@ $as_echo "yes" >&6; }
     fi
 fi
 
+# Disable libsanitizer on unsupported systems.
+if test -d ${srcdir}/libsanitizer; then
+    if test x$enable_libsanitizer = x; then
+	{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for libsanitizer support" >&5
+$as_echo_n "checking for libsanitizer support... " >&6; }
+	if (srcdir=${srcdir}/libsanitizer; \
+		. ${srcdir}/configure.tgt; \
+		test -n "$UNSUPPORTED")
+	then
+	    { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+	    noconfigdirs="$noconfigdirs target-libsanitizer"
+	else
+	    { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+$as_echo "yes" >&6; }
+	fi
+    fi
+fi
+
 # Disable libquadmath for some systems.
 case "${target}" in
+  avr-*-*)
+    noconfigdirs="$noconfigdirs target-libquadmath"
+    ;;
   # libquadmath is unused on AIX and libquadmath build process use of
   # LD_LIBRARY_PATH can break AIX bootstrap.
   powerpc-*-aix* | rs6000-*-aix*)
@@ -3221,13 +3244,6 @@ case "${target}" in
     ;;
 esac
 
-# Disable libquadmath for some systems.
-case "${target}" in
-  avr-*-*)
-    noconfigdirs="$noconfigdirs target-libquadmath"
-    ;;
-esac
-
 # Disable libstdc++-v3 for some systems.
 # Allow user to override this if they pass --enable-libstdc++-v3
 if test "${ENABLE_LIBSTDCXX}" = "default" ; then
diff --git a/configure.ac b/configure.ac
index c346c2c..91ccb3d 100644
--- a/configure.ac
+++ b/configure.ac
@@ -160,6 +160,7 @@ target_libraries="target-libgcc \
 		target-libitm \
 		target-libstdc++-v3 \
 		target-libmudflap \
+		target-libsanitizer \
 		target-libssp \
 		target-libquadmath \
 		target-libgfortran \
@@ -537,8 +538,27 @@ if test -d ${srcdir}/libitm; then
     fi
 fi
 
+# Disable libsanitizer on unsupported systems.
+if test -d ${srcdir}/libsanitizer; then
+    if test x$enable_libsanitizer = x; then
+	AC_MSG_CHECKING([for libsanitizer support])
+	if (srcdir=${srcdir}/libsanitizer; \
+		. ${srcdir}/configure.tgt; \
+		test -n "$UNSUPPORTED")
+	then
+	    AC_MSG_RESULT([no])
+	    noconfigdirs="$noconfigdirs target-libsanitizer"
+	else
+	    AC_MSG_RESULT([yes])
+	fi
+    fi
+fi
+
 # Disable libquadmath for some systems.
 case "${target}" in
+  avr-*-*)
+    noconfigdirs="$noconfigdirs target-libquadmath"
+    ;;
   # libquadmath is unused on AIX and libquadmath build process use of
   # LD_LIBRARY_PATH can break AIX bootstrap.
   powerpc-*-aix* | rs6000-*-aix*)
@@ -563,13 +583,6 @@ case "${target}" in
     ;;
 esac
 
-# Disable libquadmath for some systems.
-case "${target}" in
-  avr-*-*)
-    noconfigdirs="$noconfigdirs target-libquadmath"
-    ;;
-esac
-
 # Disable libstdc++-v3 for some systems.
 # Allow user to override this if they pass --enable-libstdc++-v3
 if test "${ENABLE_LIBSTDCXX}" = "default" ; then