gcc 2.92 compatibility

config/ac-macros/misc.m4:
  better USE_MYSYS_NEW detection
configure.in:
  better USE_MYSYS_NEW detection
extra/yassl/src/Makefile.am:
  better USE_MYSYS_NEW detection
extra/yassl/taocrypt/include/runtime.hpp:
  better USE_MYSYS_NEW detection

configure.in

@@ -336,32 +336,6 @@ AC_SUBST(LD)
 AC_SUBST(INSTALL_SCRIPT)
 
 export CC CXX CFLAGS LD LDFLAGS AR
-if test "$GXX" = "yes"
-then
-  # mysqld requires -fno-implicit-templates.
-  # Disable exceptions as they seams to create problems with gcc and threads.
-  # mysqld doesn't use run-time-type-checking, so we disable it.
-  CXXFLAGS="$CXXFLAGS -fno-implicit-templates -fno-exceptions -fno-rtti"
-
-  CXX_VERNO=`echo $CXX_VERSION | sed -e 's/[[^0-9. ]]//g; s/^ *//g; s/ .*//g'`
-  case "$CXX_VERNO" in
-    3.*)
-      USE_MYSYS_NEW="-DUSE_MYSYS_NEW" # yassl needs it
-      if echo $CXX | grep gcc > /dev/null 2>&1
-      then
-        # If you are using 'gcc' 3.0 (not g++) to compile C++ programs on Linux,
-        # we will gets some problems when linking static programs.
-        # The following code is used to fix this problem.
-        CXXFLAGS="$CXXFLAGS $USE_MYSYS_NEW"
-        AC_MSG_WARN([Using MYSYS_NEW for static linking with gcc])
-      fi
-    ;;
-    *)
-      USE_MYSYS_NEW=""
-    ;;
-  esac
-  AC_SUBST(USE_MYSYS_NEW)
-fi
 
 # Avoid bug in fcntl on some versions of linux
 AC_MSG_CHECKING("if we should use 'skip-locking' as default for $target_os")
@@ -1730,6 +1704,7 @@ AC_TYPE_OFF_T
 AC_STRUCT_ST_RDEV
 AC_HEADER_TIME
 AC_STRUCT_TM
+MYSQL_NEEDS_MYSYS_NEW
 # AC_CHECK_SIZEOF return 0 when it does not find the size of a
 # type. We want a error instead.
 AC_CHECK_SIZEOF(char, 1)