Merge from trunk at:

	commit 56638b9b1853666f575928f8baf17f70e4ed3517
	Author: GCC Administrator <gccadmin@gcc.gnu.org>
	Date:   Wed Jun 17 00:16:36 2020 +0000

	    Daily bump.

5 files changed, 78 insertions, 8 deletions

diff --git a/libobjc/ChangeLog b/libobjc/ChangeLog
index b8ebab2..9b2d90a 100644
--- a/libobjc/ChangeLog
+++ b/libobjc/ChangeLog
@@ -1,3 +1,31 @@
+2020-05-29  H.J. Lu  <hjl.tools@gmail.com>
+
+	PR bootstrap/95413
+	* configure: Regenerated.
+
+2020-05-15  H.J. Lu  <hongjiu.lu@intel.com>
+
+	PR bootstrap/95147
+	* configure: Regenerated.
+
+2020-05-14  H.J. Lu  <hongjiu.lu@intel.com>
+
+	* configure: Regenerated.
+
+2020-02-12  Sandra Loosemore  <sandra@codesourcery.com>
+
+	PR libstdc++/79193
+	PR libstdc++/88999
+
+	* configure: Regenerated.
+
+2020-01-24  Maciej W. Rozycki  <macro@wdc.com>
+
+	* Makefile.in (aclocal_deps): Add `toolexeclibdir.m4'.
+	* aclocal.m4: Include `toolexeclibdir.m4'.
+	* configure.ac: Handle `--with-toolexeclibdir='.
+	* configure: Regenerate.
+
 2020-01-01  Andrew Pinski  <pinskia@gmail.com>
 
 	PR libobjc/93099
diff --git a/libobjc/Makefile.in b/libobjc/Makefile.in
index 0f7cdcb..46c8540 100644
--- a/libobjc/Makefile.in
+++ b/libobjc/Makefile.in
@@ -293,6 +293,7 @@ aclocal_deps = \
 	$(srcdir)/../config/multi.m4 \
 	$(srcdir)/../config/override.m4 \
 	$(srcdir)/../config/proginstall.m4 \
+	$(srcdir)/../config/toolexeclibdir.m4 \
 	$(srcdir)/../ltoptions.m4 \
 	$(srcdir)/../ltsugar.m4 \
 	$(srcdir)/../ltversion.m4 \
diff --git a/libobjc/aclocal.m4 b/libobjc/aclocal.m4
index 942b617..9ac0f64 100644
--- a/libobjc/aclocal.m4
+++ b/libobjc/aclocal.m4
@@ -153,4 +153,5 @@ m4_include([../config/cet.m4])
 m4_include([../config/lthostflags.m4])
 m4_include([../config/multi.m4])
 m4_include([../config/override.m4])
+m4_include([../config/toolexeclibdir.m4])
 m4_include([acinclude.m4])
diff --git a/libobjc/configure b/libobjc/configure
index f7ea2e1..c4f6688 100755
--- a/libobjc/configure
+++ b/libobjc/configure
@@ -746,6 +746,7 @@ with_target_subdir
 with_cross_host
 enable_version_specific_runtime_libs
 enable_multilib
+with_toolexeclibdir
 enable_cet
 enable_maintainer_mode
 enable_shared
@@ -1382,7 +1383,7 @@ 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-cet            enable Intel CET in target libraries [default=no]
+  --enable-cet            enable Intel CET in target libraries [default=auto]
   --enable-maintainer-mode
                           enable make rules and dependencies not useful (and
                           sometimes confusing) to the casual installer
@@ -1402,6 +1403,9 @@ Optional Packages:
   --with-target-subdir=SUBDIR
                            configuring in a subdirectory
   --with-cross-host=HOST  configuring with a cross compiler
+  --with-toolexeclibdir=DIR
+                          install libraries built with a cross compiler within
+                          DIR
   --with-pic              try to use only PIC/non-PIC objects [default=use
                           both]
   --with-gnu-ld           assume the C compiler uses GNU ld [default=no]
@@ -2502,6 +2506,22 @@ case $srcdir in
 esac
 
 
+
+# Check whether --with-toolexeclibdir was given.
+if test "${with_toolexeclibdir+set}" = set; then :
+  withval=$with_toolexeclibdir; case ${with_toolexeclibdir} in
+  /)
+    ;;
+  */)
+    with_toolexeclibdir=`echo $with_toolexeclibdir | sed 's,/$,,'`
+    ;;
+esac
+else
+  with_toolexeclibdir=no
+fi
+
+
+
 # Calculate toolexeclibdir
 # Also toolexecdir, though it's only used in toolexeclibdir
 case ${version_specific_libs} in
@@ -2517,7 +2537,14 @@ case ${version_specific_libs} in
        test x"$with_cross_host" != x"no"; then
       # Install a library built with a cross compiler in tooldir, not libdir.
       toolexecdir='$(exec_prefix)/$(target_noncanonical)'
-      toolexeclibdir='$(toolexecdir)/lib'
+      case ${with_toolexeclibdir} in
+	no)
+	  toolexeclibdir='$(toolexecdir)/lib'
+	  ;;
+	*)
+	  toolexeclibdir=${with_toolexeclibdir}
+	  ;;
+      esac
     else
       toolexecdir='$(libdir)/gcc-lib/$(target_noncanonical)'
       toolexeclibdir='$(libdir)'
@@ -2890,11 +2917,11 @@ done
 
 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
-
+#include <stdio.h>
 int
 main ()
 {
-
+printf ("hello world\n");
   ;
   return 0;
 }
@@ -3426,19 +3453,22 @@ if test "${enable_cet+set}" = set; then :
                           esac
 
 else
-  enable_cet=no
+  enable_cet=auto
 fi
 
 
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for CET support" >&5
 $as_echo_n "checking for CET support... " >&6; }
 
+# NB: Avoid nested save_CFLAGS and save_LDFLAGS.
 case "$host" in
   i[34567]86-*-linux* | x86_64-*-linux*)
     case "$enable_cet" in
       auto)
 	# Check if target supports multi-byte NOPs
 	# and if assembler supports CET insn.
+	cet_save_CFLAGS="$CFLAGS"
+	CFLAGS="$CFLAGS -fcf-protection"
 	cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
@@ -3462,6 +3492,7 @@ else
   enable_cet=no
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+	CFLAGS="$cet_save_CFLAGS"
 	;;
       yes)
 	# Check if assembler supports CET.
@@ -10748,7 +10779,7 @@ else
   lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
   lt_status=$lt_dlunknown
   cat > conftest.$ac_ext <<_LT_EOF
-#line 10751 "configure"
+#line 10782 "configure"
 #include "confdefs.h"
 
 #if HAVE_DLFCN_H
@@ -10854,7 +10885,7 @@ else
   lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
   lt_status=$lt_dlunknown
   cat > conftest.$ac_ext <<_LT_EOF
-#line 10857 "configure"
+#line 10888 "configure"
 #include "confdefs.h"
 
 #if HAVE_DLFCN_H
diff --git a/libobjc/configure.ac b/libobjc/configure.ac
index 716dc67..9c8aa82 100644
--- a/libobjc/configure.ac
+++ b/libobjc/configure.ac
@@ -76,6 +76,8 @@ case $srcdir in
 esac
 AC_SUBST(glibcpp_srcdir)
 
+GCC_WITH_TOOLEXECLIBDIR
+
 # Calculate toolexeclibdir
 # Also toolexecdir, though it's only used in toolexeclibdir
 case ${version_specific_libs} in
@@ -91,7 +93,14 @@ case ${version_specific_libs} in
        test x"$with_cross_host" != x"no"; then
       # Install a library built with a cross compiler in tooldir, not libdir.
       toolexecdir='$(exec_prefix)/$(target_noncanonical)'
-      toolexeclibdir='$(toolexecdir)/lib'
+      case ${with_toolexeclibdir} in
+	no)
+	  toolexeclibdir='$(toolexecdir)/lib'
+	  ;;
+	*)
+	  toolexeclibdir=${with_toolexeclibdir}
+	  ;;
+      esac
     else
       toolexecdir='$(libdir)/gcc-lib/$(target_noncanonical)'
       toolexeclibdir='$(libdir)'