--- /dev/null
+# gnulib-i18n.m4
+# serial 1
+dnl Copyright (C) 2005-2024 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.
+dnl This file is offered as-is, without any warranty.
+
+dnl From Bruno Haible.
+
+dnl Support for internationalization of Gnulib code.
+
+dnl GNULIB_I18N
+dnl Sets GNULIB_LOCALEDIR to indicate where to find the gnulib.mo files.
+dnl Also it defines GNULIB_LOCALEDIR as macro in config.h, that expands to
+dnl the corresponding C string.
+AC_DEFUN([GNULIB_I18N],
+[
+ dnl It is best to not test "$USE_NLS" here, because: It would be empty
+ dnl in case the package is internationalized but this macro is used before
+ dnl AM_GNU_GETTEXT. We would need to warn about this situation. But since
+ dnl this module is used as a dependency of many packages, such a warning is
+ dnl not welcome.
+
+ dnl Determine gnulib's localedir.
+ dnl Generally, accept an option --with-gnulib-prefix=PREFIX to indicate
+ dnl where to find gnulib's runtime data.
+ dnl Usually ${prefix}/share/locale, but can be influenced by the configure
+ dnl options --datarootdir and --localedir.
+ GNULIB_LOCALEDIR="${localedir}"
+ AC_ARG_WITH([gnulib-prefix],
+ [[ --with-gnulib-prefix=DIR search for gnulib's runtime data in DIR/share]],
+ [if test "X$withval" != "X" && test "X$withval" != "Xno"; then
+ GNULIB_LOCALEDIR="$withval/share/locale"
+ fi
+ ])
+ AC_SUBST([GNULIB_LOCALEDIR])
+
+ dnl Define GNULIB_LOCALEDIR_c and GNULIB_LOCALEDIR_c_make.
+ dnl Find the final value of GNULIB_LOCALEDIR.
+ gl_saved_prefix="${prefix}"
+ gl_saved_datarootdir="${datarootdir}"
+ gl_saved_localedir="${localedir}"
+ gl_saved_gnuliblocaledir="${GNULIB_LOCALEDIR}"
+ dnl Unfortunately, prefix gets only finally determined at the end of
+ dnl configure.
+ if test "X$prefix" = "XNONE"; then
+ prefix="$ac_default_prefix"
+ fi
+ eval datarootdir="$datarootdir"
+ eval localedir="$localedir"
+ eval GNULIB_LOCALEDIR="$GNULIB_LOCALEDIR"
+ gl_BUILD_TO_HOST([GNULIB_LOCALEDIR])
+ GNULIB_LOCALEDIR="${gl_saved_gnuliblocaledir}"
+ localedir="${gl_saved_localedir}"
+ datarootdir="${gl_saved_datarootdir}"
+ prefix="${gl_saved_prefix}"
+
+ AC_DEFINE_UNQUOTED([GNULIB_LOCALEDIR], [${GNULIB_LOCALEDIR_c}],
+ [Define to the directory where to find the localizations of the translation domain 'gnulib', as a C string.])
+])