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[Ping][PATCH] Fix libbacktrace and libiberty tests fail on sanitized GCC due to wrong link options.

From: Maxim Ostapenko <m dot ostapenko at partner dot samsung dot com>
To: Jakub Jelinek <jakub at redhat dot com>
Cc: GCC Patches <gcc-patches at gcc dot gnu dot org>, Yury Gribov <y dot gribov at samsung dot com>, Slava Garbuzov <v dot garbuzov at samsung dot com>, Bernhard Reutner-Fischer <rep dot dot dot nop at gmail dot com>
Date: Mon, 08 Sep 2014 19:56:50 +0400
Subject: [Ping][PATCH] Fix libbacktrace and libiberty tests fail on sanitized GCC due to wrong link options.
Authentication-results: sourceware.org; auth=none
References: <54042F45 dot 2090002 at partner dot samsung dot com>

Ping.


-------- Original Message --------

Subject: Re: [PATCH] Fix libbacktrace and libiberty tests fail onsanitized GCC due to wrong link options.

Date: 	Mon, 01 Sep 2014 12:33:09 +0400
From: 	Maxim Ostapenko <m.ostapenko@partner.samsung.com>
To: 	Jakub Jelinek <jakub@redhat.com>

CC: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>, Yury Gribov<y.gribov@samsung.com>, GCC Patches <gcc-patches@gcc.gnu.org>, SlavaGarbuzov <v.garbuzov@samsung.com>




On 09/01/2014 11:29 AM, Jakub Jelinek wrote:

On Mon, Sep 01, 2014 at 11:19:07AM +0400, Maxim Ostapenko wrote:

libiberty/ChangeLog:

2014-09-01  Max Ostapenko  <m.ostapenko@partner.samsung.com>

	* testsuite/Makefile.in(LIBCFLAGS): Add LDFLAGS.

Space before (.


Ugh, sorry.

  # Flags to pass down to makes which are built with the target environment.
  # The double $ decreases the length of the command line; those variables
  # are set in BASE_FLAGS_TO_PASS, and the sub-make will expand them.  The
@@ -3518,9 +3526,9 @@ check-bfd:
  	@: $(MAKE); $(unstage)
  	@r=`${PWD_COMMAND}`; export r; \
  	s=`cd $(srcdir); ${PWD_COMMAND}`; export s; \
-	$(HOST_EXPORTS) \
+	$(HOST_EXPORTS) $(EXTRA_HOST_EXPORTS) \
  	(cd $(HOST_SUBDIR)/bfd && \
-	  $(MAKE) $(FLAGS_TO_PASS)  check)
+	  $(MAKE) $(FLAGS_TO_PASS)  $(EXTRA_BOOTSTRAP_FLAGS) check)

I'd put the double space right before check instead of in between
different flags, or use a single space everywhere.


Here the first space appears because extra_make_flags (EXTRA_GCC_FLAGS)
is empty and autogen replaces this with a space. Removing the second one
will lead to concatinating of $(EXTRA_GCC_FLAGS) and
$(EXTRA_BOOTSTRAP_FLAGS). I know, two spaces look ugly, but is there
more convenient way to avoid this?

@@ -4392,9 +4400,9 @@ check-opcodes:
  	@: $(MAKE); $(unstage)
  	@r=`${PWD_COMMAND}`; export r; \
  	s=`cd $(srcdir); ${PWD_COMMAND}`; export s; \
-	$(HOST_EXPORTS) \
+	$(HOST_EXPORTS) $(EXTRA_HOST_EXPORTS) \
  	(cd $(HOST_SUBDIR)/opcodes && \
-	  $(MAKE) $(FLAGS_TO_PASS)  check)
+	  $(MAKE) $(FLAGS_TO_PASS)  $(EXTRA_BOOTSTRAP_FLAGS) check)

Ditto etc.

@@ -6138,7 +6146,7 @@ check-cgen:
  	@: $(MAKE); $(unstage)
  	@r=`${PWD_COMMAND}`; export r; \
  	s=`cd $(srcdir); ${PWD_COMMAND}`; export s; \
-	$(HOST_EXPORTS) \
+	$(HOST_EXPORTS)  \

Why?

This is pretty the same. For all libs, that wouldn't be bootstrapped,
autogen inserts a space instead of $(EXTRA_HOST_EXPORTS).

Perhaps I should always insert $(EXTRA_HOST_EXPORTS) and
$(EXTRA_BOOTSTRAP_FLAGS) with empty/nonempty values instead of tracking
libraries, that would/wouldn't be bootstrapped?

-Maxim

	Jakub

libiberty/ChangeLog:

2014-09-01  Max Ostapenko  <m.ostapenko@partner.samsung.com>

	* testsuite/Makefile.in (LIBCFLAGS): Add LDFLAGS.

ChangeLog:

2014-09-01  Max Ostapenko  <m.ostapenko@partner.samsung.com>

	* Makefile.tpl (EXTRA_HOST_EXPORTS): New variables.
	(EXTRA_BOOTSTRAP_FLAGS): Likewise.
	(check-[+module+]): Add EXTRA_HOST_EXPORTS and EXTRA_BOOTSTRAP_FLAGS.
	* Makefile.in: Regenerate.


diff --git a/Makefile.in b/Makefile.in
index add8cf6..b0917e3 100644
--- a/Makefile.in
+++ b/Makefile.in
@@ -830,6 +830,14 @@ POSTSTAGE1_FLAGS_TO_PASS = \
 	HOST_LIBS="$${HOST_LIBS}" \
 	"`echo 'ADAFLAGS=$(BOOT_ADAFLAGS)' | sed -e s'/[^=][^=]*=$$/XFOO=/'`"
 
+@if gcc-bootstrap
+EXTRA_HOST_EXPORTS = if [ $(current_stage) != stage1 ]; then \
+		       $(POSTSTAGE1_HOST_EXPORTS) \
+		     fi ;
+
+EXTRA_BOOTSTRAP_FLAGS = CC="$$CC" CXX="$$CXX" LDFLAGS="$$LDFLAGS"
+@endif gcc-bootstrap
+
 # Flags to pass down to makes which are built with the target environment.
 # The double $ decreases the length of the command line; those variables
 # are set in BASE_FLAGS_TO_PASS, and the sub-make will expand them.  The
@@ -3518,9 +3526,9 @@ check-bfd:
 	@: $(MAKE); $(unstage)
 	@r=`${PWD_COMMAND}`; export r; \
 	s=`cd $(srcdir); ${PWD_COMMAND}`; export s; \
-	$(HOST_EXPORTS) \
+	$(HOST_EXPORTS) $(EXTRA_HOST_EXPORTS) \
 	(cd $(HOST_SUBDIR)/bfd && \
-	  $(MAKE) $(FLAGS_TO_PASS)  check)
+	  $(MAKE) $(FLAGS_TO_PASS)  $(EXTRA_BOOTSTRAP_FLAGS) check)
 
 @endif bfd
 
@@ -4392,9 +4400,9 @@ check-opcodes:
 	@: $(MAKE); $(unstage)
 	@r=`${PWD_COMMAND}`; export r; \
 	s=`cd $(srcdir); ${PWD_COMMAND}`; export s; \
-	$(HOST_EXPORTS) \
+	$(HOST_EXPORTS) $(EXTRA_HOST_EXPORTS) \
 	(cd $(HOST_SUBDIR)/opcodes && \
-	  $(MAKE) $(FLAGS_TO_PASS)  check)
+	  $(MAKE) $(FLAGS_TO_PASS)  $(EXTRA_BOOTSTRAP_FLAGS) check)
 
 @endif opcodes
 
@@ -5266,9 +5274,9 @@ check-binutils:
 	@: $(MAKE); $(unstage)
 	@r=`${PWD_COMMAND}`; export r; \
 	s=`cd $(srcdir); ${PWD_COMMAND}`; export s; \
-	$(HOST_EXPORTS) \
+	$(HOST_EXPORTS) $(EXTRA_HOST_EXPORTS) \
 	(cd $(HOST_SUBDIR)/binutils && \
-	  $(MAKE) $(FLAGS_TO_PASS)  check)
+	  $(MAKE) $(FLAGS_TO_PASS)  $(EXTRA_BOOTSTRAP_FLAGS) check)
 
 @endif binutils
 
@@ -5696,9 +5704,9 @@ check-bison:
 	@if [ '$(host)' = '$(target)' ] ; then \
 	  r=`${PWD_COMMAND}`; export r; \
 	  s=`cd $(srcdir); ${PWD_COMMAND}`; export s; \
-	  $(HOST_EXPORTS) \
+	  $(HOST_EXPORTS)  \
 	  (cd $(HOST_SUBDIR)/bison && \
-	    $(MAKE) $(FLAGS_TO_PASS)  check); \
+	    $(MAKE) $(FLAGS_TO_PASS)  check)
 	fi
 
 @endif bison
@@ -6138,7 +6146,7 @@ check-cgen:
 	@: $(MAKE); $(unstage)
 	@r=`${PWD_COMMAND}`; export r; \
 	s=`cd $(srcdir); ${PWD_COMMAND}`; export s; \
-	$(HOST_EXPORTS) \
+	$(HOST_EXPORTS)  \
 	(cd $(HOST_SUBDIR)/cgen && \
 	  $(MAKE) $(FLAGS_TO_PASS)  check)
 
@@ -6579,7 +6587,7 @@ check-dejagnu:
 	@: $(MAKE); $(unstage)
 	@r=`${PWD_COMMAND}`; export r; \
 	s=`cd $(srcdir); ${PWD_COMMAND}`; export s; \
-	$(HOST_EXPORTS) \
+	$(HOST_EXPORTS)  \
 	(cd $(HOST_SUBDIR)/dejagnu && \
 	  $(MAKE) $(FLAGS_TO_PASS)  check)
 
@@ -7020,7 +7028,7 @@ check-etc:
 	@: $(MAKE); $(unstage)
 	@r=`${PWD_COMMAND}`; export r; \
 	s=`cd $(srcdir); ${PWD_COMMAND}`; export s; \
-	$(HOST_EXPORTS) \
+	$(HOST_EXPORTS)  \
 	(cd $(HOST_SUBDIR)/etc && \
 	  $(MAKE) $(FLAGS_TO_PASS)  check)
 
@@ -7463,9 +7471,9 @@ check-fastjar:
 	@if [ '$(host)' = '$(target)' ] ; then \
 	  r=`${PWD_COMMAND}`; export r; \
 	  s=`cd $(srcdir); ${PWD_COMMAND}`; export s; \
-	  $(HOST_EXPORTS) \
+	  $(HOST_EXPORTS)  \
 	  (cd $(HOST_SUBDIR)/fastjar && \
-	    $(MAKE) $(FLAGS_TO_PASS)  check); \
+	    $(MAKE) $(FLAGS_TO_PASS)  check)
 	fi
 
 @endif fastjar
@@ -8351,9 +8359,9 @@ check-fixincludes:
 	@: $(MAKE); $(unstage)
 	@r=`${PWD_COMMAND}`; export r; \
 	s=`cd $(srcdir); ${PWD_COMMAND}`; export s; \
-	$(HOST_EXPORTS) \
+	$(HOST_EXPORTS) $(EXTRA_HOST_EXPORTS) \
 	(cd $(HOST_SUBDIR)/fixincludes && \
-	  $(MAKE) $(FLAGS_TO_PASS)  check)
+	  $(MAKE) $(FLAGS_TO_PASS)  $(EXTRA_BOOTSTRAP_FLAGS) check)
 
 @endif fixincludes
 
@@ -8766,9 +8774,9 @@ check-flex:
 	@if [ '$(host)' = '$(target)' ] ; then \
 	  r=`${PWD_COMMAND}`; export r; \
 	  s=`cd $(srcdir); ${PWD_COMMAND}`; export s; \
-	  $(HOST_EXPORTS) \
+	  $(HOST_EXPORTS)  \
 	  (cd $(HOST_SUBDIR)/flex && \
-	    $(MAKE) $(FLAGS_TO_PASS)  check); \
+	    $(MAKE) $(FLAGS_TO_PASS)  check)
 	fi
 
 @endif flex
@@ -9654,9 +9662,9 @@ check-gas:
 	@: $(MAKE); $(unstage)
 	@r=`${PWD_COMMAND}`; export r; \
 	s=`cd $(srcdir); ${PWD_COMMAND}`; export s; \
-	$(HOST_EXPORTS) \
+	$(HOST_EXPORTS) $(EXTRA_HOST_EXPORTS) \
 	(cd $(HOST_SUBDIR)/gas && \
-	  $(MAKE) $(FLAGS_TO_PASS)  check)
+	  $(MAKE) $(FLAGS_TO_PASS)  $(EXTRA_BOOTSTRAP_FLAGS) check)
 
 @endif gas
 
@@ -10528,9 +10536,9 @@ check-gcc:
 	@: $(MAKE); $(unstage)
 	@r=`${PWD_COMMAND}`; export r; \
 	s=`cd $(srcdir); ${PWD_COMMAND}`; export s; \
-	$(HOST_EXPORTS) \
+	$(HOST_EXPORTS) $(EXTRA_HOST_EXPORTS) \
 	(cd $(HOST_SUBDIR)/gcc && \
-	  $(MAKE) $(FLAGS_TO_PASS) $(EXTRA_GCC_FLAGS) check)
+	  $(MAKE) $(FLAGS_TO_PASS) $(EXTRA_GCC_FLAGS) $(EXTRA_BOOTSTRAP_FLAGS) check)
 
 @endif gcc
 
@@ -11408,9 +11416,9 @@ check-gmp:
 	@: $(MAKE); $(unstage)
 	@r=`${PWD_COMMAND}`; export r; \
 	s=`cd $(srcdir); ${PWD_COMMAND}`; export s; \
-	$(HOST_EXPORTS) \
+	$(HOST_EXPORTS) $(EXTRA_HOST_EXPORTS) \
 	(cd $(HOST_SUBDIR)/gmp && \
-	  $(MAKE) $(FLAGS_TO_PASS)  check)
+	  $(MAKE) $(FLAGS_TO_PASS)  $(EXTRA_BOOTSTRAP_FLAGS) check)
 
 @endif gmp
 
@@ -12276,9 +12284,9 @@ check-mpfr:
 	@: $(MAKE); $(unstage)
 	@r=`${PWD_COMMAND}`; export r; \
 	s=`cd $(srcdir); ${PWD_COMMAND}`; export s; \
-	$(HOST_EXPORTS) \
+	$(HOST_EXPORTS) $(EXTRA_HOST_EXPORTS) \
 	(cd $(HOST_SUBDIR)/mpfr && \
-	  $(MAKE) $(FLAGS_TO_PASS)  check)
+	  $(MAKE) $(FLAGS_TO_PASS)  $(EXTRA_BOOTSTRAP_FLAGS) check)
 
 @endif mpfr
 
@@ -13144,9 +13152,9 @@ check-mpc:
 	@: $(MAKE); $(unstage)
 	@r=`${PWD_COMMAND}`; export r; \
 	s=`cd $(srcdir); ${PWD_COMMAND}`; export s; \
-	$(HOST_EXPORTS) \
+	$(HOST_EXPORTS) $(EXTRA_HOST_EXPORTS) \
 	(cd $(HOST_SUBDIR)/mpc && \
-	  $(MAKE) $(FLAGS_TO_PASS)  check)
+	  $(MAKE) $(FLAGS_TO_PASS)  $(EXTRA_BOOTSTRAP_FLAGS) check)
 
 @endif mpc
 
@@ -14012,9 +14020,9 @@ check-isl:
 	@: $(MAKE); $(unstage)
 	@r=`${PWD_COMMAND}`; export r; \
 	s=`cd $(srcdir); ${PWD_COMMAND}`; export s; \
-	$(HOST_EXPORTS) \
+	$(HOST_EXPORTS) $(EXTRA_HOST_EXPORTS) \
 	(cd $(HOST_SUBDIR)/isl && \
-	  $(MAKE) $(FLAGS_TO_PASS) V=1 check)
+	  $(MAKE) $(FLAGS_TO_PASS) V=1 $(EXTRA_BOOTSTRAP_FLAGS) check)
 
 @endif isl
 
@@ -14880,9 +14888,9 @@ check-cloog:
 	@: $(MAKE); $(unstage)
 	@r=`${PWD_COMMAND}`; export r; \
 	s=`cd $(srcdir); ${PWD_COMMAND}`; export s; \
-	$(HOST_EXPORTS) \
+	$(HOST_EXPORTS) $(EXTRA_HOST_EXPORTS) \
 	(cd $(HOST_SUBDIR)/cloog && \
-	  $(MAKE) $(FLAGS_TO_PASS) CPPFLAGS="$$CPPFLAGS" LDFLAGS="$$LDFLAGS" V=1 check)
+	  $(MAKE) $(FLAGS_TO_PASS) CPPFLAGS="$$CPPFLAGS" LDFLAGS="$$LDFLAGS" V=1 $(EXTRA_BOOTSTRAP_FLAGS) check)
 
 @endif cloog
 
@@ -15748,9 +15756,9 @@ check-libelf:
 	@: $(MAKE); $(unstage)
 	@r=`${PWD_COMMAND}`; export r; \
 	s=`cd $(srcdir); ${PWD_COMMAND}`; export s; \
-	$(HOST_EXPORTS) \
+	$(HOST_EXPORTS) $(EXTRA_HOST_EXPORTS) \
 	(cd $(HOST_SUBDIR)/libelf && \
-	  $(MAKE) $(FLAGS_TO_PASS)  check)
+	  $(MAKE) $(FLAGS_TO_PASS)  $(EXTRA_BOOTSTRAP_FLAGS) check)
 
 @endif libelf
 
@@ -16610,9 +16618,9 @@ check-gold:
 	@: $(MAKE); $(unstage)
 	@r=`${PWD_COMMAND}`; export r; \
 	s=`cd $(srcdir); ${PWD_COMMAND}`; export s; \
-	$(HOST_EXPORTS) \
+	$(HOST_EXPORTS) $(EXTRA_HOST_EXPORTS) \
 	(cd $(HOST_SUBDIR)/gold && \
-	  $(MAKE) $(FLAGS_TO_PASS)  check)
+	  $(MAKE) $(FLAGS_TO_PASS)  $(EXTRA_BOOTSTRAP_FLAGS) check)
 
 @endif gold
 
@@ -17038,7 +17046,7 @@ check-gprof:
 	@: $(MAKE); $(unstage)
 	@r=`${PWD_COMMAND}`; export r; \
 	s=`cd $(srcdir); ${PWD_COMMAND}`; export s; \
-	$(HOST_EXPORTS) \
+	$(HOST_EXPORTS)  \
 	(cd $(HOST_SUBDIR)/gprof && \
 	  $(MAKE) $(FLAGS_TO_PASS)  check)
 
@@ -17925,9 +17933,9 @@ check-intl:
 	@: $(MAKE); $(unstage)
 	@r=`${PWD_COMMAND}`; export r; \
 	s=`cd $(srcdir); ${PWD_COMMAND}`; export s; \
-	$(HOST_EXPORTS) \
+	$(HOST_EXPORTS) $(EXTRA_HOST_EXPORTS) \
 	(cd $(HOST_SUBDIR)/intl && \
-	  $(MAKE) $(FLAGS_TO_PASS)  check)
+	  $(MAKE) $(FLAGS_TO_PASS)  $(EXTRA_BOOTSTRAP_FLAGS) check)
 
 @endif intl
 
@@ -18353,7 +18361,7 @@ check-tcl:
 	@: $(MAKE); $(unstage)
 	@r=`${PWD_COMMAND}`; export r; \
 	s=`cd $(srcdir); ${PWD_COMMAND}`; export s; \
-	$(HOST_EXPORTS) \
+	$(HOST_EXPORTS)  \
 	(cd $(HOST_SUBDIR)/tcl && \
 	  $(MAKE) $(FLAGS_TO_PASS)  check)
 
@@ -18779,7 +18787,7 @@ check-itcl:
 	@: $(MAKE); $(unstage)
 	@r=`${PWD_COMMAND}`; export r; \
 	s=`cd $(srcdir); ${PWD_COMMAND}`; export s; \
-	$(HOST_EXPORTS) \
+	$(HOST_EXPORTS)  \
 	(cd $(HOST_SUBDIR)/itcl && \
 	  $(MAKE) $(FLAGS_TO_PASS)  check)
 
@@ -19666,9 +19674,9 @@ check-ld:
 	@: $(MAKE); $(unstage)
 	@r=`${PWD_COMMAND}`; export r; \
 	s=`cd $(srcdir); ${PWD_COMMAND}`; export s; \
-	$(HOST_EXPORTS) \
+	$(HOST_EXPORTS) $(EXTRA_HOST_EXPORTS) \
 	(cd $(HOST_SUBDIR)/ld && \
-	  $(MAKE) $(FLAGS_TO_PASS)  check)
+	  $(MAKE) $(FLAGS_TO_PASS)  $(EXTRA_BOOTSTRAP_FLAGS) check)
 
 @endif ld
 
@@ -20540,9 +20548,9 @@ check-libbacktrace:
 	@: $(MAKE); $(unstage)
 	@r=`${PWD_COMMAND}`; export r; \
 	s=`cd $(srcdir); ${PWD_COMMAND}`; export s; \
-	$(HOST_EXPORTS) \
+	$(HOST_EXPORTS) $(EXTRA_HOST_EXPORTS) \
 	(cd $(HOST_SUBDIR)/libbacktrace && \
-	  $(MAKE) $(FLAGS_TO_PASS)  check)
+	  $(MAKE) $(FLAGS_TO_PASS)  $(EXTRA_BOOTSTRAP_FLAGS) check)
 
 @endif libbacktrace
 
@@ -21414,9 +21422,9 @@ check-libcpp:
 	@: $(MAKE); $(unstage)
 	@r=`${PWD_COMMAND}`; export r; \
 	s=`cd $(srcdir); ${PWD_COMMAND}`; export s; \
-	$(HOST_EXPORTS) \
+	$(HOST_EXPORTS) $(EXTRA_HOST_EXPORTS) \
 	(cd $(HOST_SUBDIR)/libcpp && \
-	  $(MAKE) $(FLAGS_TO_PASS)  check)
+	  $(MAKE) $(FLAGS_TO_PASS)  $(EXTRA_BOOTSTRAP_FLAGS) check)
 
 @endif libcpp
 
@@ -22288,9 +22296,9 @@ check-libdecnumber:
 	@: $(MAKE); $(unstage)
 	@r=`${PWD_COMMAND}`; export r; \
 	s=`cd $(srcdir); ${PWD_COMMAND}`; export s; \
-	$(HOST_EXPORTS) \
+	$(HOST_EXPORTS) $(EXTRA_HOST_EXPORTS) \
 	(cd $(HOST_SUBDIR)/libdecnumber && \
-	  $(MAKE) $(FLAGS_TO_PASS)  check)
+	  $(MAKE) $(FLAGS_TO_PASS)  $(EXTRA_BOOTSTRAP_FLAGS) check)
 
 @endif libdecnumber
 
@@ -22716,7 +22724,7 @@ check-libgui:
 	@: $(MAKE); $(unstage)
 	@r=`${PWD_COMMAND}`; export r; \
 	s=`cd $(srcdir); ${PWD_COMMAND}`; export s; \
-	$(HOST_EXPORTS) \
+	$(HOST_EXPORTS)  \
 	(cd $(HOST_SUBDIR)/libgui && \
 	  $(MAKE) $(FLAGS_TO_PASS)  check)
 
@@ -23609,9 +23617,9 @@ check-libiberty:
 	@: $(MAKE); $(unstage)
 	@r=`${PWD_COMMAND}`; export r; \
 	s=`cd $(srcdir); ${PWD_COMMAND}`; export s; \
-	$(HOST_EXPORTS) \
+	$(HOST_EXPORTS) $(EXTRA_HOST_EXPORTS) \
 	(cd $(HOST_SUBDIR)/libiberty && \
-	  $(MAKE) $(FLAGS_TO_PASS)  check)
+	  $(MAKE) $(FLAGS_TO_PASS)  $(EXTRA_BOOTSTRAP_FLAGS) check)
 
 @endif libiberty
 
@@ -24489,9 +24497,9 @@ check-libiberty-linker-plugin:
 	@: $(MAKE); $(unstage)
 	@r=`${PWD_COMMAND}`; export r; \
 	s=`cd $(srcdir); ${PWD_COMMAND}`; export s; \
-	$(HOST_EXPORTS) \
+	$(HOST_EXPORTS) $(EXTRA_HOST_EXPORTS) \
 	(cd $(HOST_SUBDIR)/libiberty-linker-plugin && \
-	  $(MAKE) $(FLAGS_TO_PASS) @extra_linker_plugin_flags@ check)
+	  $(MAKE) $(FLAGS_TO_PASS) @extra_linker_plugin_flags@ $(EXTRA_BOOTSTRAP_FLAGS) check)
 
 @endif libiberty-linker-plugin
 
@@ -24917,7 +24925,7 @@ check-libiconv:
 	@: $(MAKE); $(unstage)
 	@r=`${PWD_COMMAND}`; export r; \
 	s=`cd $(srcdir); ${PWD_COMMAND}`; export s; \
-	$(HOST_EXPORTS) \
+	$(HOST_EXPORTS)  \
 	(cd $(HOST_SUBDIR)/libiconv && \
 	  $(MAKE) $(FLAGS_TO_PASS)  check)
 
@@ -25295,7 +25303,7 @@ check-m4:
 	@: $(MAKE); $(unstage)
 	@r=`${PWD_COMMAND}`; export r; \
 	s=`cd $(srcdir); ${PWD_COMMAND}`; export s; \
-	$(HOST_EXPORTS) \
+	$(HOST_EXPORTS)  \
 	(cd $(HOST_SUBDIR)/m4 && \
 	  $(MAKE) $(FLAGS_TO_PASS)  check)
 
@@ -25736,7 +25744,7 @@ check-readline:
 	@: $(MAKE); $(unstage)
 	@r=`${PWD_COMMAND}`; export r; \
 	s=`cd $(srcdir); ${PWD_COMMAND}`; export s; \
-	$(HOST_EXPORTS) \
+	$(HOST_EXPORTS)  \
 	(cd $(HOST_SUBDIR)/readline && \
 	  $(MAKE) $(FLAGS_TO_PASS)  check)
 
@@ -26177,7 +26185,7 @@ check-sid:
 	@: $(MAKE); $(unstage)
 	@r=`${PWD_COMMAND}`; export r; \
 	s=`cd $(srcdir); ${PWD_COMMAND}`; export s; \
-	$(HOST_EXPORTS) \
+	$(HOST_EXPORTS)  \
 	(cd $(HOST_SUBDIR)/sid && \
 	  $(MAKE) $(FLAGS_TO_PASS)  check)
 
@@ -26618,7 +26626,7 @@ check-sim:
 	@: $(MAKE); $(unstage)
 	@r=`${PWD_COMMAND}`; export r; \
 	s=`cd $(srcdir); ${PWD_COMMAND}`; export s; \
-	$(HOST_EXPORTS) \
+	$(HOST_EXPORTS)  \
 	(cd $(HOST_SUBDIR)/sim && \
 	  $(MAKE) $(FLAGS_TO_PASS)  check)
 
@@ -27059,7 +27067,7 @@ check-texinfo:
 	@: $(MAKE); $(unstage)
 	@r=`${PWD_COMMAND}`; export r; \
 	s=`cd $(srcdir); ${PWD_COMMAND}`; export s; \
-	$(HOST_EXPORTS) \
+	$(HOST_EXPORTS)  \
 	(cd $(HOST_SUBDIR)/texinfo && \
 	  $(MAKE) $(FLAGS_TO_PASS)  check)
 
@@ -28344,7 +28352,7 @@ check-gdb:
 	@: $(MAKE); $(unstage)
 	@r=`${PWD_COMMAND}`; export r; \
 	s=`cd $(srcdir); ${PWD_COMMAND}`; export s; \
-	$(HOST_EXPORTS) \
+	$(HOST_EXPORTS)  \
 	(cd $(HOST_SUBDIR)/gdb && \
 	  $(MAKE) $(FLAGS_TO_PASS)  check)
 
@@ -28785,7 +28793,7 @@ check-expect:
 	@: $(MAKE); $(unstage)
 	@r=`${PWD_COMMAND}`; export r; \
 	s=`cd $(srcdir); ${PWD_COMMAND}`; export s; \
-	$(HOST_EXPORTS) \
+	$(HOST_EXPORTS)  \
 	(cd $(HOST_SUBDIR)/expect && \
 	  $(MAKE) $(FLAGS_TO_PASS)  check)
 
@@ -29226,7 +29234,7 @@ check-guile:
 	@: $(MAKE); $(unstage)
 	@r=`${PWD_COMMAND}`; export r; \
 	s=`cd $(srcdir); ${PWD_COMMAND}`; export s; \
-	$(HOST_EXPORTS) \
+	$(HOST_EXPORTS)  \
 	(cd $(HOST_SUBDIR)/guile && \
 	  $(MAKE) $(FLAGS_TO_PASS)  check)
 
@@ -29667,7 +29675,7 @@ check-tk:
 	@: $(MAKE); $(unstage)
 	@r=`${PWD_COMMAND}`; export r; \
 	s=`cd $(srcdir); ${PWD_COMMAND}`; export s; \
-	$(HOST_EXPORTS) \
+	$(HOST_EXPORTS)  \
 	(cd $(HOST_SUBDIR)/tk && \
 	  $(MAKE) $(FLAGS_TO_PASS)  check)
 
@@ -30918,7 +30926,7 @@ check-gnattools:
 	@: $(MAKE); $(unstage)
 	@r=`${PWD_COMMAND}`; export r; \
 	s=`cd $(srcdir); ${PWD_COMMAND}`; export s; \
-	$(HOST_EXPORTS) \
+	$(HOST_EXPORTS)  \
 	(cd $(HOST_SUBDIR)/gnattools && \
 	  $(MAKE) $(FLAGS_TO_PASS)  check)
 
@@ -31811,9 +31819,9 @@ check-lto-plugin:
 	@: $(MAKE); $(unstage)
 	@r=`${PWD_COMMAND}`; export r; \
 	s=`cd $(srcdir); ${PWD_COMMAND}`; export s; \
-	$(HOST_EXPORTS) \
+	$(HOST_EXPORTS) $(EXTRA_HOST_EXPORTS) \
 	(cd $(HOST_SUBDIR)/lto-plugin && \
-	  $(MAKE) $(FLAGS_TO_PASS) @extra_linker_plugin_flags@ check)
+	  $(MAKE) $(FLAGS_TO_PASS) @extra_linker_plugin_flags@ $(EXTRA_BOOTSTRAP_FLAGS) check)
 
 @endif lto-plugin
 
diff --git a/Makefile.tpl b/Makefile.tpl
index 00dba36..022f746 100644
--- a/Makefile.tpl
+++ b/Makefile.tpl
@@ -635,6 +635,14 @@ POSTSTAGE1_FLAGS_TO_PASS = \
 	HOST_LIBS="$${HOST_LIBS}" \
 	"`echo 'ADAFLAGS=$(BOOT_ADAFLAGS)' | sed -e s'/[^=][^=]*=$$/XFOO=/'`"
 
+@if gcc-bootstrap
+EXTRA_HOST_EXPORTS = if [ $(current_stage) != stage1 ]; then \
+		       $(POSTSTAGE1_HOST_EXPORTS) \
+		     fi ;
+
+EXTRA_BOOTSTRAP_FLAGS = CC="$$CC" CXX="$$CXX" LDFLAGS="$$LDFLAGS"
+@endif gcc-bootstrap
+
 # Flags to pass down to makes which are built with the target environment.
 # The double $ decreases the length of the command line; those variables
 # are set in BASE_FLAGS_TO_PASS, and the sub-make will expand them.  The
@@ -1187,18 +1195,22 @@ check-[+module+]:
 	@if [ '$(host)' = '$(target)' ] ; then \
 	  r=`${PWD_COMMAND}`; export r; \
 	  s=`cd $(srcdir); ${PWD_COMMAND}`; export s; \
-	  $(HOST_EXPORTS) \
+	  $(HOST_EXPORTS) [+ IF bootstrap +]$(EXTRA_HOST_EXPORTS)[+
+	  ENDIF bootstrap +] \
 	  (cd $(HOST_SUBDIR)/[+module+] && \
-	    $(MAKE) $(FLAGS_TO_PASS) [+extra_make_flags+] check); \
+	    $(MAKE) $(FLAGS_TO_PASS) [+extra_make_flags+][+
+	    IF bootstrap +] $(EXTRA_BOOTSTRAP_FLAGS)[+ ENDIF bootstrap +] check)
 	fi
 [+ ELSE check +]
 check-[+module+]:
 	@: $(MAKE); $(unstage)
 	@r=`${PWD_COMMAND}`; export r; \
 	s=`cd $(srcdir); ${PWD_COMMAND}`; export s; \
-	$(HOST_EXPORTS) \
+	$(HOST_EXPORTS) [+ IF bootstrap +]$(EXTRA_HOST_EXPORTS)[+
+	ENDIF bootstrap +] \
 	(cd $(HOST_SUBDIR)/[+module+] && \
-	  $(MAKE) $(FLAGS_TO_PASS) [+extra_make_flags+] check)
+	  $(MAKE) $(FLAGS_TO_PASS) [+extra_make_flags+][+
+	  IF bootstrap +] $(EXTRA_BOOTSTRAP_FLAGS)[+ ENDIF bootstrap +] check)
 [+ ENDIF no_check +]
 @endif [+module+]
diff --git a/libiberty/testsuite/Makefile.in b/libiberty/testsuite/Makefile.in
index d23c09c..ef693c2 100644
--- a/libiberty/testsuite/Makefile.in
+++ b/libiberty/testsuite/Makefile.in
@@ -33,7 +33,7 @@ SHELL = @SHELL@
 
 CC = @CC@
 CFLAGS = @CFLAGS@
-LIBCFLAGS = $(CFLAGS)
+LIBCFLAGS = $(CFLAGS) $(LDFLAGS)
 
 # Multilib support variables.
 MULTISRCTOP =

References:
- Re: [PATCH] Fix libbacktrace and libiberty tests fail on sanitized GCC due to wrong link options.
  - From: Maxim Ostapenko

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