arm: drop EABI check

GCC marked OABI obsolete in 4.7 and dropped it in 4.8.  So the number
of people this is catching is shrinking every day.  At this point,
it's not terribly useful, so just drop it.

ChangeLog

@@ -1,3 +1,8 @@
+2014-11-22  Mike Frysinger  <vapier@gentoo.org>
+
+	* sysdeps/arm/preconfigure.ac: Delete EABI check.
+	* sysdeps/arm/preconfigure: Regenerate.
+
 2014-11-21  Roland McGrath  <roland@hack.frob.com>
 
 	* nptl/pthread_create.c (__pthread_create_2_1): Set

sysdeps/arm/preconfigure

@@ -3,28 +3,6 @@
 
 case "$machine" in
 arm*)
-
-cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h.  */
-
-#if !__ARM_EABI__
-#error
-#endif
-int
-main ()
-{
-
-  ;
-  return 0;
-}
-_ACEOF
-if ac_fn_c_try_compile "$LINENO"; then :
-
-else
-  as_fn_error $? "Old ABI no longer supported" "$LINENO" 5
-fi
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
-
   # If the compiler enables unwind tables by default, this causes
   # problems with undefined symbols in -nostdlib link tests.  To
   # avoid this, add -fno-unwind-tables here and remove it in

sysdeps/arm/preconfigure.ac

@@ -3,11 +3,6 @@ GLIBC_PROVIDES dnl See aclocal.m4 in the top level source directory.
 
 case "$machine" in
 arm*)
-  AC_TRY_COMPILE([
-#if !__ARM_EABI__
-#error
-#endif], [], [], [AC_MSG_ERROR([Old ABI no longer supported])])
-
   # If the compiler enables unwind tables by default, this causes
   # problems with undefined symbols in -nostdlib link tests.  To
   # avoid this, add -fno-unwind-tables here and remove it in