builtins.def: Add DEF_EXT_C99RES_BUILTIN to define builtins that C99 reserve for future use.

	* builtins.def: Add DEF_EXT_C99RES_BUILTIN to define builtins
	that C99 reserve for future use. Use it to define clog10,
	clog10f and clog10l.

From-SVN: r102331

gcc/ChangeLog

+2005-07-24  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
+
+	* builtins.def: Add DEF_EXT_C99RES_BUILTIN to define builtins
+	that C99 reserve for future use. Use it to define clog10,
+	clog10f and clog10l.
+
 2005-07-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
 
 	* Makefile.in (STRICT2_WARN): Add -Wmissing-format-attribute.

gcc/builtins.def

@@ -119,6 +119,13 @@ Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA
   DEF_BUILTIN (ENUM, "__builtin_" NAME, BUILT_IN_NORMAL, TYPE, TYPE,	\
    	       true, true, !flag_isoc99, ATTRS, TARGET_C99_FUNCTIONS, true)
 
+/* Builtin that C99 reserve the name for future use. We can still recognize
+   the builtin in C99 mode but we can't produce it implicitly.  */
+#undef DEF_EXT_C99RES_BUILTIN
+#define DEF_EXT_C99RES_BUILTIN(ENUM, NAME, TYPE, ATTRS)        \
+  DEF_BUILTIN (ENUM, "__builtin_" NAME, BUILT_IN_NORMAL, TYPE, TYPE,   \
+              true, true, true, ATTRS, false, true)
+
 /* Allocate the enum and the name for a builtin, but do not actually
    define it here at all.  */
 #undef DEF_BUILTIN_STUB
@@ -436,6 +443,9 @@ DEF_C99_BUILTIN        (BUILT_IN_CIMAGL, "cimagl", BT_FN_LONGDOUBLE_COMPLEX_LONG
 DEF_C99_BUILTIN        (BUILT_IN_CLOG, "clog", BT_FN_COMPLEX_DOUBLE_COMPLEX_DOUBLE, ATTR_MATHFN_FPROUNDING)
 DEF_C99_BUILTIN        (BUILT_IN_CLOGF, "clogf", BT_FN_COMPLEX_FLOAT_COMPLEX_FLOAT, ATTR_MATHFN_FPROUNDING)
 DEF_C99_BUILTIN        (BUILT_IN_CLOGL, "clogl", BT_FN_COMPLEX_LONGDOUBLE_COMPLEX_LONGDOUBLE, ATTR_MATHFN_FPROUNDING)
+DEF_EXT_C99RES_BUILTIN (BUILT_IN_CLOG10, "clog10", BT_FN_COMPLEX_DOUBLE_COMPLEX_DOUBLE, ATTR_MATHFN_FPROUNDING)
+DEF_EXT_C99RES_BUILTIN (BUILT_IN_CLOG10F, "clog10f", BT_FN_COMPLEX_FLOAT_COMPLEX_FLOAT, ATTR_MATHFN_FPROUNDING)
+DEF_EXT_C99RES_BUILTIN (BUILT_IN_CLOG10L, "clog10l", BT_FN_COMPLEX_LONGDOUBLE_COMPLEX_LONGDOUBLE, ATTR_MATHFN_FPROUNDING)
 DEF_C99_BUILTIN        (BUILT_IN_CONJ, "conj", BT_FN_COMPLEX_DOUBLE_COMPLEX_DOUBLE, ATTR_CONST_NOTHROW_LIST)
 DEF_C99_BUILTIN        (BUILT_IN_CONJF, "conjf", BT_FN_COMPLEX_FLOAT_COMPLEX_FLOAT, ATTR_CONST_NOTHROW_LIST)
 DEF_C99_BUILTIN        (BUILT_IN_CONJL, "conjl", BT_FN_COMPLEX_LONGDOUBLE_COMPLEX_LONGDOUBLE, ATTR_CONST_NOTHROW_LIST)