Disable dl_iterate_phdr on Solaris 10

	* configure.ac (gcc_cv_target_dl_iterate_phdr): Only check on
	Solaris 11+.
	* configure: Regenerate.

From-SVN: r183235

gcc/ChangeLog

+2012-01-17  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
+
+	* configure.ac (gcc_cv_target_dl_iterate_phdr): Only check on
+	Solaris 11+.
+	* configure: Regenerate.
+
 2012-01-16  Jan Hubicka  <jh@suse.cz>
 
 	PR c/12245

gcc/configure

@@ -26726,7 +26726,11 @@ fi
 $as_echo_n "checking dl_iterate_phdr in target C library... " >&6; }
 gcc_cv_target_dl_iterate_phdr=unknown
 case "$target" in
-  *-*-solaris2*)
+  # Restrict to Solaris 11+.  While most of the Solaris 11 linker changes
+  # were backported to Solaris 10 Update 10, dl_iterate_phdr only lives in
+  # libdl there, both complicating its use and breaking compatibility
+  # between Solaris 10 updates.
+  *-*-solaris2.1[1-9]*)
     # <link.h> needs both a dl_iterate_phdr declaration and support for
     # compilation with largefile support.
     if grep dl_iterate_phdr $target_header_dir/link.h > /dev/null 2>&1 \

gcc/configure.ac

@@ -4642,7 +4642,11 @@ fi
 AC_MSG_CHECKING(dl_iterate_phdr in target C library)
 gcc_cv_target_dl_iterate_phdr=unknown
 case "$target" in
-  *-*-solaris2*)
+  # Restrict to Solaris 11+.  While most of the Solaris 11 linker changes
+  # were backported to Solaris 10 Update 10, dl_iterate_phdr only lives in
+  # libdl there, both complicating its use and breaking compatibility
+  # between Solaris 10 updates.
+  *-*-solaris2.1[[1-9]]*)
     # <link.h> needs both a dl_iterate_phdr declaration and support for
     # compilation with largefile support.
     if grep dl_iterate_phdr $target_header_dir/link.h > /dev/null 2>&1 \