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# unimetadata_h.m4
# serial 1
dnl Copyright (C) 2024 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_ONCE([gl_UNIMETADATA_H],
[
dnl Ensure to expand the default settings once only, before all statements
dnl that occur in other macros.
AC_REQUIRE([gl_UNIMETADATA_H_DEFAULTS])
])
# gl_UNIMETADATA_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_UNIMETADATA_MODULE_INDICATOR],
[
dnl Ensure to expand the default settings once only.
gl_UNIMETADATA_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_UNIMETADATA_H_REQUIRE_DEFAULTS],
[
m4_defun(GL_MODULE_INDICATOR_PREFIX[_UNIMETADATA_H_MODULE_INDICATOR_DEFAULTS], [
gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_UNIMETADATA_UNICODE_VERSION_DLL_VARIABLE], ['LIBUNISTRING_DLL_VARIABLE'])
])
m4_require(GL_MODULE_INDICATOR_PREFIX[_UNIMETADATA_H_MODULE_INDICATOR_DEFAULTS])
AC_REQUIRE([gl_UNIMETADATA_H_DEFAULTS])
])
AC_DEFUN([gl_UNIMETADATA_H_DEFAULTS],
[
dnl Assume proper GNU behavior unless another module says otherwise.
])
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