configure.ac (gcc_cv_ld_eh_gc_sections): Redirect objdump errors to /dev/null.

	* configure.ac (gcc_cv_ld_eh_gc_sections): Redirect objdump errors
	to /dev/null.
	* configure: Regenerate.

From-SVN: r159220

gcc/ChangeLog

 2010-05-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 
+	* configure.ac (gcc_cv_ld_eh_gc_sections): Redirect objdump errors
+	to /dev/null.
+	* configure: Regenerate.
+
+2010-05-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
+
 	* config/sol2.c (solaris_assemble_visibility): Declare decl, vis
 	unused.
 	Define visibility_types, name, type inside HAVE_GAS_HIDDEN.

gcc/configure

@@ -24623,7 +24623,8 @@ EOF
     if $gcc_cv_ld -o conftest conftest.o --entry=_start --gc-sections 2>&1 \
 	 | grep "gc-sections option ignored" > /dev/null; then
       gcc_cv_ld_eh_gc_sections=no
-    elif $gcc_cv_objdump -h conftest | grep gcc_except_table > /dev/null; then
+    elif $gcc_cv_objdump -h conftest 2> /dev/null \
+         | grep gcc_except_table > /dev/null; then
       gcc_cv_ld_eh_gc_sections=yes
       # If no COMDAT groups, the compiler will emit .gnu.linkonce.t. sections.
       if test x$gcc_cv_as_comdat_group != xyes; then
@@ -24650,7 +24651,8 @@ EOF
 	  if $gcc_cv_ld -o conftest conftest.o --entry=_start --gc-sections 2>&1 \
 	       | grep "gc-sections option ignored" > /dev/null; then
 	    gcc_cv_ld_eh_gc_sections=no
-	  elif $gcc_cv_objdump -h conftest | grep gcc_except_table > /dev/null; then
+	  elif $gcc_cv_objdump -h conftest 2> /dev/null \
+	       | grep gcc_except_table > /dev/null; then
 	    gcc_cv_ld_eh_gc_sections=yes
 	  fi
 	fi

gcc/configure.ac

@@ -3839,7 +3839,8 @@ EOF
     if $gcc_cv_ld -o conftest conftest.o --entry=_start --gc-sections 2>&1 \
 	 | grep "gc-sections option ignored" > /dev/null; then
       gcc_cv_ld_eh_gc_sections=no
-    elif $gcc_cv_objdump -h conftest | grep gcc_except_table > /dev/null; then
+    elif $gcc_cv_objdump -h conftest 2> /dev/null \
+         | grep gcc_except_table > /dev/null; then
       gcc_cv_ld_eh_gc_sections=yes
       # If no COMDAT groups, the compiler will emit .gnu.linkonce.t. sections.
       if test x$gcc_cv_as_comdat_group != xyes; then
@@ -3866,7 +3867,8 @@ EOF
 	  if $gcc_cv_ld -o conftest conftest.o --entry=_start --gc-sections 2>&1 \
 	       | grep "gc-sections option ignored" > /dev/null; then
 	    gcc_cv_ld_eh_gc_sections=no
-	  elif $gcc_cv_objdump -h conftest | grep gcc_except_table > /dev/null; then
+	  elif $gcc_cv_objdump -h conftest 2> /dev/null \
+	       | grep gcc_except_table > /dev/null; then
 	    gcc_cv_ld_eh_gc_sections=yes
 	  fi
 	fi