summaryrefslogtreecommitdiff
path: root/gnulib-m4/langinfo_h.m4
diff options
context:
space:
mode:
Diffstat (limited to 'gnulib-m4/langinfo_h.m4')
-rw-r--r--gnulib-m4/langinfo_h.m433
1 files changed, 25 insertions, 8 deletions
diff --git a/gnulib-m4/langinfo_h.m4 b/gnulib-m4/langinfo_h.m4
index de077c37..563c8c43 100644
--- a/gnulib-m4/langinfo_h.m4
+++ b/gnulib-m4/langinfo_h.m4
@@ -1,10 +1,10 @@
-# langinfo_h.m4 serial 8
-dnl Copyright (C) 2009-2018 Free Software Foundation, Inc.
+# langinfo_h.m4 serial 12
+dnl Copyright (C) 2009-2022 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_LANGINFO_H],
+AC_DEFUN_ONCE([gl_LANGINFO_H],
[
AC_REQUIRE([gl_LANGINFO_H_DEFAULTS])
@@ -23,8 +23,10 @@ AC_DEFUN([gl_LANGINFO_H],
AC_CHECK_HEADERS_ONCE([langinfo.h])
if test $ac_cv_header_langinfo_h = yes; then
HAVE_LANGINFO_H=1
- dnl Determine what <langinfo.h> defines. CODESET and ERA etc. are missing
- dnl on OpenBSD 3.8. T_FMT_AMPM and YESEXPR, NOEXPR are missing on IRIX 5.3.
+ dnl Determine what <langinfo.h> defines.
+ dnl CODESET is missing on OpenBSD 3.8.
+ dnl ERA etc. are missing on OpenBSD 6.7.
+ dnl T_FMT_AMPM and YESEXPR, NOEXPR are missing on IRIX 5.3.
dnl ALTMON_* are missing on glibc 2.26 and many other systems.
AC_CACHE_CHECK([whether langinfo.h defines CODESET],
[gl_cv_header_langinfo_codeset],
@@ -102,18 +104,33 @@ int a = YESEXPR;
]], [nl_langinfo])
])
+# gl_LANGINFO_MODULE_INDICATOR([modulename])
+# sets the shell variable that indicates the presence of the given module
+# to a C preprocessor expression that will evaluate to 1.
+# This macro invocation must not occur in macros that are AC_REQUIREd.
AC_DEFUN([gl_LANGINFO_MODULE_INDICATOR],
[
- dnl Use AC_REQUIRE here, so that the default settings are expanded once only.
- AC_REQUIRE([gl_LANGINFO_H_DEFAULTS])
+ dnl Ensure to expand the default settings once only.
+ gl_LANGINFO_H_REQUIRE_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])
])
+# Initializes the default values for AC_SUBSTed shell variables.
+# This macro must not be AC_REQUIREd. It must only be invoked, and only
+# outside of macros or in macros that are not AC_REQUIREd.
+AC_DEFUN([gl_LANGINFO_H_REQUIRE_DEFAULTS],
+[
+ m4_defun(GL_MODULE_INDICATOR_PREFIX[_LANGINFO_H_MODULE_INDICATOR_DEFAULTS], [
+ gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_NL_LANGINFO])
+ ])
+ m4_require(GL_MODULE_INDICATOR_PREFIX[_LANGINFO_H_MODULE_INDICATOR_DEFAULTS])
+ AC_REQUIRE([gl_LANGINFO_H_DEFAULTS])
+])
+
AC_DEFUN([gl_LANGINFO_H_DEFAULTS],
[
- GNULIB_NL_LANGINFO=0; AC_SUBST([GNULIB_NL_LANGINFO])
dnl Assume proper GNU behavior unless another module says otherwise.
HAVE_NL_LANGINFO=1; AC_SUBST([HAVE_NL_LANGINFO])
REPLACE_NL_LANGINFO=0; AC_SUBST([REPLACE_NL_LANGINFO])