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| 1 | # mbchar.m4 serial 4
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| 2 | dnl Copyright (C) 2005-2006 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 | dnl autoconf tests required for use of mbchar.m4
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| 8 | dnl From Bruno Haible.
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| 9 |
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| 10 | AC_DEFUN([gl_MBCHAR],
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| 11 | [
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| 12 | AC_REQUIRE([AC_GNU_SOURCE])
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| 13 | dnl The following line is that so the user can test HAVE_WCHAR_H
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| 14 | dnl before #include "mbchar.h".
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| 15 | AC_CHECK_HEADERS_ONCE([wchar.h])
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| 16 | dnl Compile mbchar.c only if HAVE_WCHAR_H.
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| 17 | if test $ac_cv_header_wchar_h = yes; then
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| 18 | AC_LIBOBJ([mbchar])
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| 19 | dnl Prerequisites of mbchar.h and mbchar.c.
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| 20 | AC_CHECK_HEADERS_ONCE([wctype.h])
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| 21 | AC_CHECK_FUNCS([iswcntrl])
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| 22 | fi
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| 23 | ])
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