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| 1 | #serial 4
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| 2 |
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| 3 | dnl From Paul Eggert
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| 4 |
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| 5 | AC_DEFUN([jm_FUNC_MBRTOWC],
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| 6 | [
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| 7 | AC_CACHE_CHECK([whether mbrtowc and mbstate_t are properly declared],
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| 8 | jm_cv_func_mbrtowc,
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| 9 | [AC_TRY_LINK(
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| 10 | [#include <wchar.h>],
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| 11 | [mbstate_t state; return ! (sizeof state && mbrtowc);],
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| 12 | jm_cv_func_mbrtowc=yes,
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| 13 | jm_cv_func_mbrtowc=no)])
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| 14 | if test $jm_cv_func_mbrtowc = yes; then
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| 15 | AC_DEFINE(HAVE_MBRTOWC, 1,
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| 16 | [Define to 1 if mbrtowc and mbstate_t are properly declared.])
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| 17 | fi
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| 18 | ])
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