configure.ac (LD_AS_NEEDED_OPTION, [...]): Use --push-state --as-needed and…

configure.ac (LD_AS_NEEDED_OPTION, [...]): Use --push-state --as-needed and --pop-state instead of --as-needed and...

	* configure.ac (LD_AS_NEEDED_OPTION, LD_NO_AS_NEEDED_OPTION): Use
	--push-state --as-needed and --pop-state instead of --as-needed and
	--no-as-needed if ld supports it.
	* configure: Regenerated.

From-SVN: r259803

gcc/ChangeLog

 2018-05-01  Jakub Jelinek  <jakub@redhat.com>
 
+	* configure.ac (LD_AS_NEEDED_OPTION, LD_NO_AS_NEEDED_OPTION): Use
+	--push-state --as-needed and --pop-state instead of --as-needed and
+	--no-as-needed if ld supports it.
+	* configure: Regenerated.
+
 	PR web/85578
 	* doc/install.texi2html: Replace _002d with - and _002a with * in
 	generated html files using sed.

gcc/configure

@@ -28733,11 +28733,25 @@ if test $in_tree_ld = yes ; then
   if test "$gcc_cv_gld_major_version" -eq 2 -a "$gcc_cv_gld_minor_version" -ge 16 -o "$gcc_cv_gld_major_version" -gt 2 \
      && test $in_tree_ld_is_elf = yes; then
     gcc_cv_ld_as_needed=yes
+    if test "$gcc_cv_gld_major_version" -eq 2 -a "$gcc_cv_gld_minor_version" -ge 28; then
+      gcc_cv_ld_as_needed_option='--push-state --as-needed'
+      gcc_cv_ld_no_as_needed_option='--pop-state'
+    fi
   fi
 elif test x$gcc_cv_ld != x; then
   # Check if linker supports --as-needed and --no-as-needed options
   if $gcc_cv_ld --help 2>&1 | grep as-needed > /dev/null; then
     gcc_cv_ld_as_needed=yes
+    if $gcc_cv_ld --help 2>&1 | grep push-state > /dev/null \
+       && $gcc_cv_ld --help 2>&1 | grep pop-state > /dev/null \
+       && echo "$ld_ver" | grep GNU > /dev/null \
+       && test "$ld_vers_major" -eq 2 -a "$ld_vers_minor" -ge 28; then
+      # Use these options only when both ld.bfd and ld.gold support
+      # --push-state/--pop-state, which unfortunately wasn't added
+      # at the same time.
+      gcc_cv_ld_as_needed_option='--push-state --as-needed'
+      gcc_cv_ld_no_as_needed_option='--pop-state'
+    fi
   fi
   case "$target:$gnu_ld" in
     *-*-solaris2*:no)

gcc/configure.ac

@@ -5517,11 +5517,25 @@ if test $in_tree_ld = yes ; then
   if test "$gcc_cv_gld_major_version" -eq 2 -a "$gcc_cv_gld_minor_version" -ge 16 -o "$gcc_cv_gld_major_version" -gt 2 \
      && test $in_tree_ld_is_elf = yes; then
     gcc_cv_ld_as_needed=yes
+    if test "$gcc_cv_gld_major_version" -eq 2 -a "$gcc_cv_gld_minor_version" -ge 28; then
+      gcc_cv_ld_as_needed_option='--push-state --as-needed'
+      gcc_cv_ld_no_as_needed_option='--pop-state'
+    fi
   fi
 elif test x$gcc_cv_ld != x; then
   # Check if linker supports --as-needed and --no-as-needed options
   if $gcc_cv_ld --help 2>&1 | grep as-needed > /dev/null; then
     gcc_cv_ld_as_needed=yes
+    if $gcc_cv_ld --help 2>&1 | grep push-state > /dev/null \
+       && $gcc_cv_ld --help 2>&1 | grep pop-state > /dev/null \
+       && echo "$ld_ver" | grep GNU > /dev/null \
+       && test "$ld_vers_major" -eq 2 -a "$ld_vers_minor" -ge 28; then
+      # Use these options only when both ld.bfd and ld.gold support
+      # --push-state/--pop-state, which unfortunately wasn't added
+      # at the same time.
+      gcc_cv_ld_as_needed_option='--push-state --as-needed'
+      gcc_cv_ld_no_as_needed_option='--pop-state'
+    fi
   fi
   case "$target:$gnu_ld" in
     *-*-solaris2*:no)