1 # locale_h.m4 serial 24
2 dnl Copyright (C) 2007, 2009-2020 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.
7 AC_DEFUN([gl_LOCALE_H],
9 dnl Use AC_REQUIRE here, so that the default behavior below is expanded
10 dnl once only, before all statements that occur in other macros.
11 AC_REQUIRE([gl_LOCALE_H_DEFAULTS])
13 dnl Persuade glibc <locale.h> to define locale_t and the int_p_*, int_n_*
14 dnl members of 'struct lconv'.
15 AC_REQUIRE([gl_USE_SYSTEM_EXTENSIONS])
17 dnl If <stddef.h> is replaced, then <locale.h> must also be replaced.
18 AC_REQUIRE([gl_STDDEF_H])
20 AC_REQUIRE([gl_LOCALE_T])
22 dnl Solaris 11.0 defines the int_p_*, int_n_* members of 'struct lconv'
23 dnl only if _LCONV_C99 is defined.
24 AC_REQUIRE([AC_CANONICAL_HOST])
27 AC_DEFINE([_LCONV_C99], [1], [Define to 1 on Solaris.])
31 AC_CACHE_CHECK([whether locale.h conforms to POSIX:2001],
32 [gl_cv_header_locale_h_posix2001],
37 int y = sizeof (((struct lconv *) 0)->decimal_point);]],
39 [gl_cv_header_locale_h_posix2001=yes],
40 [gl_cv_header_locale_h_posix2001=no])])
42 dnl Check whether 'struct lconv' is complete.
43 dnl Bionic libc's 'struct lconv' is just a dummy.
44 dnl On OpenBSD 4.9, HP-UX 11, IRIX 6.5, OSF/1 5.1, Solaris 9, Cygwin 1.5.x,
45 dnl mingw, MSVC 9, it lacks the int_p_* and int_n_* members.
46 AC_CACHE_CHECK([whether struct lconv is properly defined],
47 [gl_cv_sys_struct_lconv_ok],
52 int x = sizeof (l.decimal_point);
53 int y = sizeof (l.int_p_cs_precedes);]],
55 [gl_cv_sys_struct_lconv_ok=yes],
56 [gl_cv_sys_struct_lconv_ok=no])
58 if test $gl_cv_sys_struct_lconv_ok = no; then
59 dnl On native Windows with MSVC, merely define these member names as macros.
60 dnl This avoids trouble in C++ mode.
63 AC_EGREP_CPP([Special], [
69 [REPLACE_STRUCT_LCONV=1])
71 *) REPLACE_STRUCT_LCONV=1 ;;
75 dnl <locale.h> is always overridden, because of GNULIB_POSIXCHECK.
76 gl_NEXT_HEADERS([locale.h])
78 dnl Check for declarations of anything we want to poison if the
79 dnl corresponding gnulib module is not in use.
80 gl_WARN_ON_USE_PREPARE([[#include <locale.h>
81 /* Some systems provide declarations in a non-standard header. */
86 [setlocale newlocale duplocale freelocale])
89 dnl Checks to determine whether the system has the locale_t type,
90 dnl and how to obtain it.
91 AC_DEFUN([gl_LOCALE_T],
93 dnl Persuade glibc and Solaris <locale.h> to define locale_t.
94 AC_REQUIRE([gl_USE_SYSTEM_EXTENSIONS])
96 dnl Check whether use of locale_t requires inclusion of <xlocale.h>,
97 dnl e.g. on Mac OS X 10.5. If <locale.h> does not define locale_t by
98 dnl itself, we assume that <xlocale.h> will do so.
99 AC_CACHE_CHECK([whether locale.h defines locale_t],
100 [gl_cv_header_locale_has_locale_t],
103 [[#include <locale.h>
106 [gl_cv_header_locale_has_locale_t=yes],
107 [gl_cv_header_locale_has_locale_t=no])
110 dnl Check for <xlocale.h>.
111 AC_CHECK_HEADERS_ONCE([xlocale.h])
112 if test $ac_cv_header_xlocale_h = yes; then
114 if test $gl_cv_header_locale_has_locale_t = yes; then
115 gl_cv_header_locale_h_needs_xlocale_h=no
117 gl_cv_header_locale_h_needs_xlocale_h=yes
122 gl_cv_header_locale_h_needs_xlocale_h=no
123 if test $gl_cv_header_locale_has_locale_t = yes; then
129 AC_SUBST([HAVE_XLOCALE_H])
132 AC_DEFUN([gl_LOCALE_MODULE_INDICATOR],
134 dnl Use AC_REQUIRE here, so that the default settings are expanded once only.
135 AC_REQUIRE([gl_LOCALE_H_DEFAULTS])
136 gl_MODULE_INDICATOR_SET_VARIABLE([$1])
137 dnl Define it also as a C macro, for the benefit of the unit tests.
138 gl_MODULE_INDICATOR_FOR_TESTS([$1])
141 AC_DEFUN([gl_LOCALE_H_DEFAULTS],
143 GNULIB_LOCALECONV=0; AC_SUBST([GNULIB_LOCALECONV])
144 GNULIB_SETLOCALE=0; AC_SUBST([GNULIB_SETLOCALE])
145 GNULIB_SETLOCALE_NULL=0; AC_SUBST([GNULIB_SETLOCALE_NULL])
146 GNULIB_DUPLOCALE=0; AC_SUBST([GNULIB_DUPLOCALE])
147 GNULIB_LOCALENAME=0; AC_SUBST([GNULIB_LOCALENAME])
148 dnl Assume proper GNU behavior unless another module says otherwise.
149 HAVE_NEWLOCALE=1; AC_SUBST([HAVE_NEWLOCALE])
150 HAVE_DUPLOCALE=1; AC_SUBST([HAVE_DUPLOCALE])
151 HAVE_FREELOCALE=1; AC_SUBST([HAVE_FREELOCALE])
152 REPLACE_LOCALECONV=0; AC_SUBST([REPLACE_LOCALECONV])
153 REPLACE_SETLOCALE=0; AC_SUBST([REPLACE_SETLOCALE])
154 REPLACE_NEWLOCALE=0; AC_SUBST([REPLACE_NEWLOCALE])
155 REPLACE_DUPLOCALE=0; AC_SUBST([REPLACE_DUPLOCALE])
156 REPLACE_FREELOCALE=0; AC_SUBST([REPLACE_FREELOCALE])
157 REPLACE_STRUCT_LCONV=0; AC_SUBST([REPLACE_STRUCT_LCONV])