| 1 | # nl_langinfo.m4 serial 8
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| 2 | dnl Copyright (C) 2009-2021 Free Software Foundation, Inc.
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| 3 | dnl This file is free software; the Free Software Foundation
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| 4 | dnl gives unlimited permission to copy and/or distribute it,
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| 5 | dnl with or without modifications, as long as this notice is preserved.
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| 6 |
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| 7 | AC_DEFUN([gl_FUNC_NL_LANGINFO],
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| 8 | [
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| 9 | AC_REQUIRE([gl_LANGINFO_H_DEFAULTS])
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| 10 | AC_REQUIRE([gl_LANGINFO_H])
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| 11 | AC_CHECK_FUNCS_ONCE([nl_langinfo])
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| 12 | AC_REQUIRE([AC_CANONICAL_HOST])
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| 13 | AC_REQUIRE([gl_FUNC_SETLOCALE_NULL])
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| 14 | AC_REQUIRE([gl_PTHREADLIB])
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| 15 | AC_CHECK_HEADERS_ONCE([threads.h])
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| 16 | if test $ac_cv_func_nl_langinfo = yes; then
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| 17 | # On Irix 6.5, YESEXPR is defined, but nl_langinfo(YESEXPR) is broken.
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| 18 | AC_CACHE_CHECK([whether YESEXPR works],
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| 19 | [gl_cv_func_nl_langinfo_yesexpr_works],
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| 20 | [AC_RUN_IFELSE(
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| 21 | [AC_LANG_PROGRAM([[#include <langinfo.h>
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| 22 | ]], [[return !*nl_langinfo(YESEXPR);
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| 23 | ]])],
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| 24 | [gl_cv_func_nl_langinfo_yesexpr_works=yes],
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| 25 | [gl_cv_func_nl_langinfo_yesexpr_works=no],
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| 26 | [
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| 27 | case "$host_os" in
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| 28 | # Guess no on irix systems.
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| 29 | irix*) gl_cv_func_nl_langinfo_yesexpr_works="guessing no";;
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| 30 | # Guess yes elsewhere.
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| 31 | *) gl_cv_func_nl_langinfo_yesexpr_works="guessing yes";;
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| 32 | esac
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| 33 | ])
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| 34 | ])
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| 35 | case $gl_cv_func_nl_langinfo_yesexpr_works in
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| 36 | *yes) FUNC_NL_LANGINFO_YESEXPR_WORKS=1 ;;
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| 37 | *) FUNC_NL_LANGINFO_YESEXPR_WORKS=0 ;;
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| 38 | esac
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| 39 | AC_DEFINE_UNQUOTED([FUNC_NL_LANGINFO_YESEXPR_WORKS],
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| 40 | [$FUNC_NL_LANGINFO_YESEXPR_WORKS],
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| 41 | [Define to 1 if nl_langinfo (YESEXPR) returns a non-empty string.])
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| 42 | # On Solaris 10 and Solaris 11.3, nl_langinfo is not multithread-safe.
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| 43 | case "$host_os" in
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| 44 | solaris*) NL_LANGINFO_MTSAFE=0 ;;
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| 45 | *) NL_LANGINFO_MTSAFE=1 ;;
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| 46 | esac
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| 47 | AC_DEFINE_UNQUOTED([NL_LANGINFO_MTSAFE], [$NL_LANGINFO_MTSAFE],
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| 48 | [Define to 1 if nl_langinfo is multithread-safe.])
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| 49 | if test $HAVE_LANGINFO_CODESET = 1 \
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| 50 | && test $HAVE_LANGINFO_T_FMT_AMPM = 1 \
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| 51 | && test $HAVE_LANGINFO_ALTMON = 1 \
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| 52 | && test $HAVE_LANGINFO_ERA = 1 \
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| 53 | && test $FUNC_NL_LANGINFO_YESEXPR_WORKS = 1 \
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| 54 | && test $NL_LANGINFO_MTSAFE = 1; then
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| 55 | :
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| 56 | else
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| 57 | REPLACE_NL_LANGINFO=1
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| 58 | AC_DEFINE([REPLACE_NL_LANGINFO], [1],
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| 59 | [Define if nl_langinfo exists but is overridden by gnulib.])
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| 60 | fi
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| 61 | else
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| 62 | HAVE_NL_LANGINFO=0
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| 63 | fi
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| 64 | if test $HAVE_NL_LANGINFO = 0 || test $HAVE_LANGINFO_CODESET = 0; then
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| 65 | LIB_NL_LANGINFO="$LIB_SETLOCALE_NULL"
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| 66 | else
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| 67 | LIB_NL_LANGINFO=
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| 68 | fi
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| 69 | dnl LIB_NL_LANGINFO is expected to be empty everywhere.
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| 70 | AC_SUBST([LIB_NL_LANGINFO])
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| 71 | ])
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| 72 |
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| 73 | # Prerequisites of lib/nl_langinfo-lock.c.
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| 74 | AC_DEFUN([gl_PREREQ_NL_LANGINFO_LOCK],
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| 75 | [
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| 76 | gl_VISIBILITY
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| 77 | ])
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