- AC_REQUIRE([AC_GNU_SOURCE])
- dnl The following line is that so the user can test HAVE_WCHAR_H
- dnl before #include "mbchar.h".
- AC_CHECK_HEADERS_ONCE([wchar.h])
- dnl Compile mbchar.c only if HAVE_WCHAR_H.
- if test $ac_cv_header_wchar_h = yes; then
- AC_LIBOBJ([mbchar])
- dnl Prerequisites of mbchar.h and mbchar.c.
- AC_CHECK_HEADERS_ONCE([wctype.h])
- AC_CHECK_FUNCS([iswcntrl])
- fi