powerpc: drop R_PPC_REL16 check

Current minimum support binutils (2.22) supports R_PPC_REL16 as default,
so no need to extra configure checks.

ChangeLog

@@ -1,5 +1,8 @@
 2015-02-09  Adhemerval Zanellla  <azanella@linux.vnet.ibm.com>
 
+	* sysdeps/powerpc/powerpc32/configure.ac: Remove R_PPC_REL16 check.
+	* sysdeps/powerpc/powerpc32/configure: Regenerated.
+
 	* sysdeps/powerpc/configure.ac: Remove file.
 	* sysdeps/powerpc/configure: Likewise.
 

sysdeps/powerpc/powerpc32/configure

@@ -1,34 +1,6 @@
 # This file is generated from configure.ac by Autoconf.  DO NOT EDIT!
  # Local configure fragment for sysdeps/powerpc/powerpc32.
 
-# See whether gas has R_PPC_REL16 relocs.
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for R_PPC_REL16 gas support" >&5
-$as_echo_n "checking for R_PPC_REL16 gas support... " >&6; }
-if ${libc_cv_ppc_rel16+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
-  cat > conftest.s <<\EOF
-	.text
-	addis 11,30,_GLOBAL_OFFSET_TABLE_-.@ha
-EOF
-if { ac_try='${CC-cc} -c $CFLAGS conftest.s 1>&5'
-  { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5
-  (eval $ac_try) 2>&5
-  ac_status=$?
-  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
-  test $ac_status = 0; }; }; then
-  libc_cv_ppc_rel16=yes
-else
-  libc_cv_ppc_rel16=no
-fi
-rm -f conftest*
-fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_ppc_rel16" >&5
-$as_echo "$libc_cv_ppc_rel16" >&6; }
-if test $libc_cv_ppc_rel16 = no; then
-  as_fn_error $? "R_PPC_REL16 is not supported. Binutils is too old." "$LINENO" 5
-fi
-
 # See whether GCC uses -msecure-plt.
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for -msecure-plt by default" >&5
 $as_echo_n "checking for -msecure-plt by default... " >&6; }

sysdeps/powerpc/powerpc32/configure.ac

@@ -1,22 +1,6 @@
 GLIBC_PROVIDES dnl See aclocal.m4 in the top level source directory.
 # Local configure fragment for sysdeps/powerpc/powerpc32.
 
-# See whether gas has R_PPC_REL16 relocs.
-AC_CACHE_CHECK(for R_PPC_REL16 gas support, libc_cv_ppc_rel16, [dnl
-cat > conftest.s <<\EOF
-	.text
-	addis 11,30,_GLOBAL_OFFSET_TABLE_-.@ha
-EOF
-if AC_TRY_COMMAND(${CC-cc} -c $CFLAGS conftest.s 1>&AS_MESSAGE_LOG_FD); then
-  libc_cv_ppc_rel16=yes
-else
-  libc_cv_ppc_rel16=no
-fi
-rm -f conftest*])
-if test $libc_cv_ppc_rel16 = no; then
-  AC_MSG_ERROR(R_PPC_REL16 is not supported. Binutils is too old.)
-fi
-
 # See whether GCC uses -msecure-plt.
 AC_CACHE_CHECK(for -msecure-plt by default, libc_cv_ppc_secure_plt, [dnl
 echo 'int foo (void) { extern int bar; return bar; }' > conftest.c