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comparison m4/gnulib-common.m4 @ 421:3c2e1f24cc7d 3.0-beta2

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Added generated files for release
author lost@l-w.ca
date Sun, 19 Sep 2010 01:33:24 -0600
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420:7366deedfa85 421:3c2e1f24cc7d
1 # gnulib-common.m4 serial 11
2 dnl Copyright (C) 2007-2010 Free Software Foundation, Inc.
3 dnl This file is free software; the Free Software Foundation
4 dnl gives unlimited permission to copy and/or distribute it,
5 dnl with or without modifications, as long as this notice is preserved.
6
7 # gl_COMMON
8 # is expanded unconditionally through gnulib-tool magic.
9 AC_DEFUN([gl_COMMON], [
10 dnl Use AC_REQUIRE here, so that the code is expanded once only.
11 AC_REQUIRE([gl_00GNULIB])
12 AC_REQUIRE([gl_COMMON_BODY])
13 ])
14 AC_DEFUN([gl_COMMON_BODY], [
15 AH_VERBATIM([isoc99_inline],
16 [/* Work around a bug in Apple GCC 4.0.1 build 5465: In C99 mode, it supports
17 the ISO C 99 semantics of 'extern inline' (unlike the GNU C semantics of
18 earlier versions), but does not display it by setting __GNUC_STDC_INLINE__.
19 __APPLE__ && __MACH__ test for MacOS X.
20 __APPLE_CC__ tests for the Apple compiler and its version.
21 __STDC_VERSION__ tests for the C99 mode. */
22 #if defined __APPLE__ && defined __MACH__ && __APPLE_CC__ >= 5465 && !defined __cplusplus && __STDC_VERSION__ >= 199901L && !defined __GNUC_STDC_INLINE__
23 # define __GNUC_STDC_INLINE__ 1
24 #endif])
25 AH_VERBATIM([unused_parameter],
26 [/* Define as a marker that can be attached to declarations that might not
27 be used. This helps to reduce warnings, such as from
28 GCC -Wunused-parameter. */
29 #if __GNUC__ >= 3 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 7)
30 # define _GL_UNUSED __attribute__ ((__unused__))
31 #else
32 # define _GL_UNUSED
33 #endif
34 /* The name _UNUSED_PARAMETER_ is an earlier spelling, although the name
35 is a misnomer outside of parameter lists. */
36 #define _UNUSED_PARAMETER_ _GL_UNUSED
37 ])
38 ])
39
40 # gl_MODULE_INDICATOR([modulename])
41 # defines a C macro indicating the presence of the given module.
42 AC_DEFUN([gl_MODULE_INDICATOR],
43 [
44 AC_DEFINE([GNULIB_]translit([$1],[abcdefghijklmnopqrstuvwxyz./-],[ABCDEFGHIJKLMNOPQRSTUVWXYZ___]), [1],
45 [Define to 1 when using the gnulib module ]$1[.])
46 ])
47
48 # m4_foreach_w
49 # is a backport of autoconf-2.59c's m4_foreach_w.
50 # Remove this macro when we can assume autoconf >= 2.60.
51 m4_ifndef([m4_foreach_w],
52 [m4_define([m4_foreach_w],
53 [m4_foreach([$1], m4_split(m4_normalize([$2]), [ ]), [$3])])])
54
55 # AC_PROG_MKDIR_P
56 # is a backport of autoconf-2.60's AC_PROG_MKDIR_P.
57 # Remove this macro when we can assume autoconf >= 2.60.
58 m4_ifdef([AC_PROG_MKDIR_P], [], [
59 AC_DEFUN_ONCE([AC_PROG_MKDIR_P],
60 [AC_REQUIRE([AM_PROG_MKDIR_P])dnl defined by automake
61 MKDIR_P='$(mkdir_p)'
62 AC_SUBST([MKDIR_P])])])
63
64 # AC_C_RESTRICT
65 # This definition overrides the AC_C_RESTRICT macro from autoconf 2.60..2.61,
66 # so that mixed use of GNU C and GNU C++ and mixed use of Sun C and Sun C++
67 # works.
68 # This definition can be removed once autoconf >= 2.62 can be assumed.
69 AC_DEFUN([AC_C_RESTRICT],
70 [AC_CACHE_CHECK([for C/C++ restrict keyword], [ac_cv_c_restrict],
71 [ac_cv_c_restrict=no
72 # The order here caters to the fact that C++ does not require restrict.
73 for ac_kw in __restrict __restrict__ _Restrict restrict; do
74 AC_COMPILE_IFELSE([AC_LANG_PROGRAM(
75 [[typedef int * int_ptr;
76 int foo (int_ptr $ac_kw ip) {
77 return ip[0];
78 }]],
79 [[int s[1];
80 int * $ac_kw t = s;
81 t[0] = 0;
82 return foo(t)]])],
83 [ac_cv_c_restrict=$ac_kw])
84 test "$ac_cv_c_restrict" != no && break
85 done
86 ])
87 AH_VERBATIM([restrict],
88 [/* Define to the equivalent of the C99 'restrict' keyword, or to
89 nothing if this is not supported. Do not define if restrict is
90 supported directly. */
91 #undef restrict
92 /* Work around a bug in Sun C++: it does not support _Restrict, even
93 though the corresponding Sun C compiler does, which causes
94 "#define restrict _Restrict" in the previous line. Perhaps some future
95 version of Sun C++ will work with _Restrict; if so, it'll probably
96 define __RESTRICT, just as Sun C does. */
97 #if defined __SUNPRO_CC && !defined __RESTRICT
98 # define _Restrict
99 #endif])
100 case $ac_cv_c_restrict in
101 restrict) ;;
102 no) AC_DEFINE([restrict], []) ;;
103 *) AC_DEFINE_UNQUOTED([restrict], [$ac_cv_c_restrict]) ;;
104 esac
105 ])
106
107 # gl_BIGENDIAN
108 # is like AC_C_BIGENDIAN, except that it can be AC_REQUIREd.
109 # Note that AC_REQUIRE([AC_C_BIGENDIAN]) does not work reliably because some
110 # macros invoke AC_C_BIGENDIAN with arguments.
111 AC_DEFUN([gl_BIGENDIAN],
112 [
113 AC_C_BIGENDIAN
114 ])
115
116 # gl_CACHE_VAL_SILENT(cache-id, command-to-set-it)
117 # is like AC_CACHE_VAL(cache-id, command-to-set-it), except that it does not
118 # output a spurious "(cached)" mark in the midst of other configure output.
119 # This macro should be used instead of AC_CACHE_VAL when it is not surrounded
120 # by an AC_MSG_CHECKING/AC_MSG_RESULT pair.
121 AC_DEFUN([gl_CACHE_VAL_SILENT],
122 [
123 saved_as_echo_n="$as_echo_n"
124 as_echo_n=':'
125 AC_CACHE_VAL([$1], [$2])
126 as_echo_n="$saved_as_echo_n"
127 ])