| # locale_h.m4 serial 24 |
| dnl Copyright (C) 2007, 2009-2021 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. |
| |
| AC_DEFUN([gl_LOCALE_H], |
| [ |
| dnl Use AC_REQUIRE here, so that the default behavior below is expanded |
| dnl once only, before all statements that occur in other macros. |
| AC_REQUIRE([gl_LOCALE_H_DEFAULTS]) |
| |
| dnl Persuade glibc <locale.h> to define locale_t and the int_p_*, int_n_* |
| dnl members of 'struct lconv'. |
| AC_REQUIRE([gl_USE_SYSTEM_EXTENSIONS]) |
| |
| dnl If <stddef.h> is replaced, then <locale.h> must also be replaced. |
| AC_REQUIRE([gl_STDDEF_H]) |
| |
| AC_REQUIRE([gl_LOCALE_T]) |
| |
| dnl Solaris 11.0 defines the int_p_*, int_n_* members of 'struct lconv' |
| dnl only if _LCONV_C99 is defined. |
| AC_REQUIRE([AC_CANONICAL_HOST]) |
| case "$host_os" in |
| solaris*) |
| AC_DEFINE([_LCONV_C99], [1], [Define to 1 on Solaris.]) |
| ;; |
| esac |
| |
| AC_CACHE_CHECK([whether locale.h conforms to POSIX:2001], |
| [gl_cv_header_locale_h_posix2001], |
| [AC_COMPILE_IFELSE( |
| [AC_LANG_PROGRAM( |
| [[#include <locale.h> |
| int x = LC_MESSAGES; |
| int y = sizeof (((struct lconv *) 0)->decimal_point);]], |
| [[]])], |
| [gl_cv_header_locale_h_posix2001=yes], |
| [gl_cv_header_locale_h_posix2001=no])]) |
| |
| dnl Check whether 'struct lconv' is complete. |
| dnl Bionic libc's 'struct lconv' is just a dummy. |
| dnl On OpenBSD 4.9, HP-UX 11, IRIX 6.5, OSF/1 5.1, Solaris 9, Cygwin 1.5.x, |
| dnl mingw, MSVC 9, it lacks the int_p_* and int_n_* members. |
| AC_CACHE_CHECK([whether struct lconv is properly defined], |
| [gl_cv_sys_struct_lconv_ok], |
| [AC_COMPILE_IFELSE( |
| [AC_LANG_PROGRAM( |
| [[#include <locale.h> |
| struct lconv l; |
| int x = sizeof (l.decimal_point); |
| int y = sizeof (l.int_p_cs_precedes);]], |
| [[]])], |
| [gl_cv_sys_struct_lconv_ok=yes], |
| [gl_cv_sys_struct_lconv_ok=no]) |
| ]) |
| if test $gl_cv_sys_struct_lconv_ok = no; then |
| dnl On native Windows with MSVC, merely define these member names as macros. |
| dnl This avoids trouble in C++ mode. |
| case "$host_os" in |
| mingw*) |
| AC_EGREP_CPP([Special], [ |
| #ifdef _MSC_VER |
| Special |
| #endif |
| ], |
| [], |
| [REPLACE_STRUCT_LCONV=1]) |
| ;; |
| *) REPLACE_STRUCT_LCONV=1 ;; |
| esac |
| fi |
| |
| dnl <locale.h> is always overridden, because of GNULIB_POSIXCHECK. |
| gl_NEXT_HEADERS([locale.h]) |
| |
| dnl Check for declarations of anything we want to poison if the |
| dnl corresponding gnulib module is not in use. |
| gl_WARN_ON_USE_PREPARE([[#include <locale.h> |
| /* Some systems provide declarations in a non-standard header. */ |
| #if HAVE_XLOCALE_H |
| # include <xlocale.h> |
| #endif |
| ]], |
| [setlocale newlocale duplocale freelocale]) |
| ]) |
| |
| dnl Checks to determine whether the system has the locale_t type, |
| dnl and how to obtain it. |
| AC_DEFUN([gl_LOCALE_T], |
| [ |
| dnl Persuade glibc and Solaris <locale.h> to define locale_t. |
| AC_REQUIRE([gl_USE_SYSTEM_EXTENSIONS]) |
| |
| dnl Check whether use of locale_t requires inclusion of <xlocale.h>, |
| dnl e.g. on Mac OS X 10.5. If <locale.h> does not define locale_t by |
| dnl itself, we assume that <xlocale.h> will do so. |
| AC_CACHE_CHECK([whether locale.h defines locale_t], |
| [gl_cv_header_locale_has_locale_t], |
| [AC_COMPILE_IFELSE( |
| [AC_LANG_PROGRAM( |
| [[#include <locale.h> |
| locale_t x;]], |
| [[]])], |
| [gl_cv_header_locale_has_locale_t=yes], |
| [gl_cv_header_locale_has_locale_t=no]) |
| ]) |
| |
| dnl Check for <xlocale.h>. |
| AC_CHECK_HEADERS_ONCE([xlocale.h]) |
| if test $ac_cv_header_xlocale_h = yes; then |
| HAVE_XLOCALE_H=1 |
| if test $gl_cv_header_locale_has_locale_t = yes; then |
| gl_cv_header_locale_h_needs_xlocale_h=no |
| else |
| gl_cv_header_locale_h_needs_xlocale_h=yes |
| fi |
| HAVE_LOCALE_T=1 |
| else |
| HAVE_XLOCALE_H=0 |
| gl_cv_header_locale_h_needs_xlocale_h=no |
| if test $gl_cv_header_locale_has_locale_t = yes; then |
| HAVE_LOCALE_T=1 |
| else |
| HAVE_LOCALE_T=0 |
| fi |
| fi |
| AC_SUBST([HAVE_XLOCALE_H]) |
| ]) |
| |
| AC_DEFUN([gl_LOCALE_MODULE_INDICATOR], |
| [ |
| dnl Use AC_REQUIRE here, so that the default settings are expanded once only. |
| AC_REQUIRE([gl_LOCALE_H_DEFAULTS]) |
| gl_MODULE_INDICATOR_SET_VARIABLE([$1]) |
| dnl Define it also as a C macro, for the benefit of the unit tests. |
| gl_MODULE_INDICATOR_FOR_TESTS([$1]) |
| ]) |
| |
| AC_DEFUN([gl_LOCALE_H_DEFAULTS], |
| [ |
| GNULIB_LOCALECONV=0; AC_SUBST([GNULIB_LOCALECONV]) |
| GNULIB_SETLOCALE=0; AC_SUBST([GNULIB_SETLOCALE]) |
| GNULIB_SETLOCALE_NULL=0; AC_SUBST([GNULIB_SETLOCALE_NULL]) |
| GNULIB_DUPLOCALE=0; AC_SUBST([GNULIB_DUPLOCALE]) |
| GNULIB_LOCALENAME=0; AC_SUBST([GNULIB_LOCALENAME]) |
| dnl Assume proper GNU behavior unless another module says otherwise. |
| HAVE_NEWLOCALE=1; AC_SUBST([HAVE_NEWLOCALE]) |
| HAVE_DUPLOCALE=1; AC_SUBST([HAVE_DUPLOCALE]) |
| HAVE_FREELOCALE=1; AC_SUBST([HAVE_FREELOCALE]) |
| REPLACE_LOCALECONV=0; AC_SUBST([REPLACE_LOCALECONV]) |
| REPLACE_SETLOCALE=0; AC_SUBST([REPLACE_SETLOCALE]) |
| REPLACE_NEWLOCALE=0; AC_SUBST([REPLACE_NEWLOCALE]) |
| REPLACE_DUPLOCALE=0; AC_SUBST([REPLACE_DUPLOCALE]) |
| REPLACE_FREELOCALE=0; AC_SUBST([REPLACE_FREELOCALE]) |
| REPLACE_STRUCT_LCONV=0; AC_SUBST([REPLACE_STRUCT_LCONV]) |
| ]) |