* doc/invoke.texi (ARM Options): Document -munaligned-access.

[pf3gnuchains/gcc-fork.git] / libcpp / aclocal.m4

diff --git a/libcpp/aclocal.m4 b/libcpp/aclocal.m4
index a92771a..c3a9f03 100644 (file)
--- a/libcpp/aclocal.m4
+++ b/libcpp/aclocal.m4
@@ -22,74 +22,3 @@ m4_include([../config/lib-link.m4])
 m4_include([../config/lib-prefix.m4])
 m4_include([../config/override.m4])
 m4_include([../config/warnings.m4])
-
-## ---------------------------------------------------------------- ##
-## Checking for declared symbols.                                   ##
-## This is like *AC_CHECK_DECL*, except that for c++, we may use a  ##
-## prototype to check for a (possibly overloaded) function.         ##
-## ---------------------------------------------------------------- ##
-
-
-# _AC_CHECK_PROTO_BODY
-# -------------------
-# Shell function body for AC_CHECK_PROTO.
-m4_define([_AC_CHECK_PROTO_BODY],
-[  AS_LINENO_PUSH([$[]1])
-  [as_decl_name=`echo $][2|sed 's/(.*//'`]
-  [as_decl_use=`echo $][2|sed -e 's/(/((/' -e 's/)/) 0&/' -e 's/,/) 0& (/g'`]
-  AC_CACHE_CHECK([whether $as_decl_name is declared], [$[]3],
-  [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([$[]4],
-[@%:@ifndef $[]as_decl_name
-@%:@ifdef __cplusplus
-  (void) $[]as_decl_use;
-@%:@else
-  (void) $[]as_decl_name;
-@%:@endif
-@%:@endif
-])],
-                  [AS_VAR_SET([$[]3], [yes])],
-                  [AS_VAR_SET([$[]3], [no])])])
-  AS_LINENO_POP
-])# _AC_CHECK_PROTO_BODY
-
-# AC_CHECK_PROTO(SYMBOL,
-#               [ACTION-IF-FOUND], [ACTION-IF-NOT-FOUND],
-#               [INCLUDES = DEFAULT-INCLUDES])
-# -------------------------------------------------------
-# Check whether SYMBOL (a function, variable, or constant) is declared.
-AC_DEFUN([AC_CHECK_PROTO],
-[AC_REQUIRE_SHELL_FN([ac_fn_]_AC_LANG_ABBREV[_check_proto],
-  [AS_FUNCTION_DESCRIBE([ac_fn_]_AC_LANG_ABBREV[_check_proto],
-    [LINENO SYMBOL VAR],
-    [Tests whether SYMBOL is declared, setting cache variable VAR accordingly.])],
-  [_$0_BODY])]dnl
-[AS_VAR_PUSHDEF([ac_Symbol], [ac_cv_have_decl_$1])]dnl
-[ac_fn_[]_AC_LANG_ABBREV[]_check_proto ]dnl
-["$LINENO" "$1" "ac_Symbol" "AS_ESCAPE([AC_INCLUDES_DEFAULT([$4])], [""])"
-AS_VAR_IF([ac_Symbol], [yes], [$2], [$3])
-AS_VAR_POPDEF([ac_Symbol])dnl
-])# AC_CHECK_PROTO
-
-
-# _AC_CHECK_PROTOS(SYMBOL, ACTION-IF_FOUND, ACTION-IF-NOT-FOUND,
-#                  INCLUDES)
-# -------------------------------------------------------------
-# Helper to AC_CHECK_PROTOS, which generates the check for a single
-# SYMBOL with INCLUDES, performs the AC_DEFINE, then expands
-# ACTION-IF-FOUND or ACTION-IF-NOT-FOUND.
-m4_define([_AC_CHECK_PROTOS],
-[AC_CHECK_PROTO([$1], [ac_have_decl=1], [ac_have_decl=0], [$4])]dnl
-[AC_DEFINE_UNQUOTED(AS_TR_CPP(patsubst(HAVE_DECL_[$1],[(.*])), [$ac_have_decl],
-  [Define to 1 if you have the declaration of `$1',
-   and to 0 if you don't.])]dnl
-[m4_ifvaln([$2$3], [AS_IF([test $ac_have_decl = 1], [$2], [$3])])])
-
-# AC_CHECK_PROTOS(SYMBOLS,
-#                 [ACTION-IF-FOUND], [ACTION-IF-NOT-FOUND],
-#                 [INCLUDES = DEFAULT-INCLUDES])
-# --------------------------------------------------------
-# Defines HAVE_DECL_SYMBOL to 1 if declared, 0 otherwise.  See the
-# documentation for a detailed explanation of this difference with
-# other AC_CHECK_*S macros.  SYMBOLS is an m4 list.
-AC_DEFUN([AC_CHECK_PROTOS],
-[m4_map_args_sep([_$0(], [, [$2], [$3], [$4])], [], $1)])