-# locale_h.m4 serial 4
-dnl Copyright (C) 2007, 2009 Free Software Foundation, Inc.
+# locale_h.m4 serial 19
+dnl Copyright (C) 2007, 2009-2014 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 Persuade glibc <locale.h> to define locale_t.
+ 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])
+ dnl Solaris 11 2011-11 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_TRY_COMPILE([#include <locale.h>
-int x = LC_MESSAGES;], [],
+ [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])])
if test $ac_cv_header_xlocale_h = yes; then
HAVE_XLOCALE_H=1
dnl Check whether use of locale_t requires inclusion of <xlocale.h>,
- dnl e.g. on MacOS X 10.5. If <locale.h> does not define locale_t by
+ dnl e.g. on Mac OS X 10.5. If <locale.h> does not define locale_t by
dnl itself, we assume that <xlocale.h> will do so.
AC_CACHE_CHECK([whether locale.h defines locale_t],
[gl_cv_header_locale_has_locale_t],
- [AC_TRY_COMPILE([#include <locale.h>
-locale_t x;], [],
+ [AC_COMPILE_IFELSE(
+ [AC_LANG_PROGRAM(
+ [[#include <locale.h>
+ locale_t x;]],
+ [[]])],
[gl_cv_header_locale_has_locale_t=yes],
[gl_cv_header_locale_has_locale_t=no])
])
fi
AC_SUBST([HAVE_XLOCALE_H])
- if test -z "$STDDEF_H" \
- && test $gl_cv_header_locale_h_posix2001 = yes \
- && test $gl_cv_header_locale_h_needs_xlocale_h = no; then
- LOCALE_H=
- else
- gl_CHECK_NEXT_HEADERS([locale.h])
- LOCALE_H=locale.h
+ 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
+ REPLACE_STRUCT_LCONV=1
fi
- AC_SUBST([LOCALE_H])
+
+ 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 duplocale])
+])
+
+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_DUPLOCALE=0; AC_SUBST([GNULIB_DUPLOCALE])
+ dnl Assume proper GNU behavior unless another module says otherwise.
+ HAVE_DUPLOCALE=1; AC_SUBST([HAVE_DUPLOCALE])
+ REPLACE_LOCALECONV=0; AC_SUBST([REPLACE_LOCALECONV])
+ REPLACE_SETLOCALE=0; AC_SUBST([REPLACE_SETLOCALE])
+ REPLACE_DUPLOCALE=0; AC_SUBST([REPLACE_DUPLOCALE])
+ REPLACE_STRUCT_LCONV=0; AC_SUBST([REPLACE_STRUCT_LCONV])
])
projects / gnulib.git / blobdiff