| Index: bison/src/bison/2.4.1/bison-2.4.1-src/m4/gnulib-common.m4
|
| ===================================================================
|
| --- bison/src/bison/2.4.1/bison-2.4.1-src/m4/gnulib-common.m4 (revision 0)
|
| +++ bison/src/bison/2.4.1/bison-2.4.1-src/m4/gnulib-common.m4 (revision 0)
|
| @@ -0,0 +1,101 @@
|
| +# gnulib-common.m4 serial 6
|
| +dnl Copyright (C) 2007-2008 Free Software Foundation, Inc.
|
| +dnl This file is free software; the Free Software Foundation
|
| +dnl gives unlimited permission to copy and/or distribute it,
|
| +dnl with or without modifications, as long as this notice is preserved.
|
| +
|
| +# gl_COMMON
|
| +# is expanded unconditionally through gnulib-tool magic.
|
| +AC_DEFUN([gl_COMMON], [
|
| + dnl Use AC_REQUIRE here, so that the code is expanded once only.
|
| + AC_REQUIRE([gl_COMMON_BODY])
|
| +])
|
| +AC_DEFUN([gl_COMMON_BODY], [
|
| + AH_VERBATIM([isoc99_inline],
|
| +[/* Work around a bug in Apple GCC 4.0.1 build 5465: In C99 mode, it supports
|
| + the ISO C 99 semantics of 'extern inline' (unlike the GNU C semantics of
|
| + earlier versions), but does not display it by setting __GNUC_STDC_INLINE__.
|
| + __APPLE__ && __MACH__ test for MacOS X.
|
| + __APPLE_CC__ tests for the Apple compiler and its version.
|
| + __STDC_VERSION__ tests for the C99 mode. */
|
| +#if defined __APPLE__ && defined __MACH__ && __APPLE_CC__ >= 5465 && !defined __cplusplus && __STDC_VERSION__ >= 199901L && !defined __GNUC_STDC_INLINE__
|
| +# define __GNUC_STDC_INLINE__ 1
|
| +#endif])
|
| + AH_VERBATIM([unused_parameter],
|
| +[/* Define as a marker that can be attached to function parameter declarations
|
| + for parameters that are not used. This helps to reduce warnings, such as
|
| + from GCC -Wunused-parameter. */
|
| +#if __GNUC__ >= 3 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 7)
|
| +# define _UNUSED_PARAMETER_ __attribute__ ((__unused__))
|
| +#else
|
| +# define _UNUSED_PARAMETER_
|
| +#endif
|
| +])
|
| +])
|
| +
|
| +# gl_MODULE_INDICATOR([modulename])
|
| +# defines a C macro indicating the presence of the given module.
|
| +AC_DEFUN([gl_MODULE_INDICATOR],
|
| +[
|
| + AC_DEFINE([GNULIB_]translit([$1],[abcdefghijklmnopqrstuvwxyz./-],[ABCDEFGHIJKLMNOPQRSTUVWXYZ___]), [1],
|
| + [Define to 1 when using the gnulib module ]$1[.])
|
| +])
|
| +
|
| +# m4_foreach_w
|
| +# is a backport of autoconf-2.59c's m4_foreach_w.
|
| +# Remove this macro when we can assume autoconf >= 2.60.
|
| +m4_ifndef([m4_foreach_w],
|
| + [m4_define([m4_foreach_w],
|
| + [m4_foreach([$1], m4_split(m4_normalize([$2]), [ ]), [$3])])])
|
| +
|
| +# AC_PROG_MKDIR_P
|
| +# is a backport of autoconf-2.60's AC_PROG_MKDIR_P.
|
| +# Remove this macro when we can assume autoconf >= 2.60.
|
| +m4_ifdef([AC_PROG_MKDIR_P], [], [
|
| + AC_DEFUN([AC_PROG_MKDIR_P],
|
| + [AC_REQUIRE([AM_PROG_MKDIR_P])dnl defined by automake
|
| + MKDIR_P='$(mkdir_p)'
|
| + AC_SUBST([MKDIR_P])])])
|
| +
|
| +# AC_C_RESTRICT
|
| +# This definition overrides the AC_C_RESTRICT macro from autoconf 2.60..2.61,
|
| +# so that mixed use of GNU C and GNU C++ and mixed use of Sun C and Sun C++
|
| +# works.
|
| +# This definition can be removed once autoconf >= 2.62 can be assumed.
|
| +AC_DEFUN([AC_C_RESTRICT],
|
| +[AC_CACHE_CHECK([for C/C++ restrict keyword], ac_cv_c_restrict,
|
| + [ac_cv_c_restrict=no
|
| + # The order here caters to the fact that C++ does not require restrict.
|
| + for ac_kw in __restrict __restrict__ _Restrict restrict; do
|
| + AC_COMPILE_IFELSE([AC_LANG_PROGRAM(
|
| + [[typedef int * int_ptr;
|
| + int foo (int_ptr $ac_kw ip) {
|
| + return ip[0];
|
| + }]],
|
| + [[int s[1];
|
| + int * $ac_kw t = s;
|
| + t[0] = 0;
|
| + return foo(t)]])],
|
| + [ac_cv_c_restrict=$ac_kw])
|
| + test "$ac_cv_c_restrict" != no && break
|
| + done
|
| + ])
|
| + AH_VERBATIM([restrict],
|
| +[/* Define to the equivalent of the C99 'restrict' keyword, or to
|
| + nothing if this is not supported. Do not define if restrict is
|
| + supported directly. */
|
| +#undef restrict
|
| +/* Work around a bug in Sun C++: it does not support _Restrict, even
|
| + though the corresponding Sun C compiler does, which causes
|
| + "#define restrict _Restrict" in the previous line. Perhaps some future
|
| + version of Sun C++ will work with _Restrict; if so, it'll probably
|
| + define __RESTRICT, just as Sun C does. */
|
| +#if defined __SUNPRO_CC && !defined __RESTRICT
|
| +# define _Restrict
|
| +#endif])
|
| + case $ac_cv_c_restrict in
|
| + restrict) ;;
|
| + no) AC_DEFINE([restrict], []) ;;
|
| + *) AC_DEFINE_UNQUOTED([restrict], [$ac_cv_c_restrict]) ;;
|
| + esac
|
| +])
|
|
|