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btowc: fix missing file
[gnulib.git]
/
m4
/
wctype_h.m4
diff --git
a/m4/wctype_h.m4
b/m4/wctype_h.m4
index
83daffc
..
3292451
100644
(file)
--- a/
m4/wctype_h.m4
+++ b/
m4/wctype_h.m4
@@
-1,4
+1,4
@@
-# wctype_h.m4 serial
5
+# wctype_h.m4 serial
6
dnl A placeholder for ISO C99 <wctype.h>, for platforms that lack it.
dnl A placeholder for ISO C99 <wctype.h>, for platforms that lack it.
@@
-20,6
+20,13
@@
AC_DEFUN([gl_WCTYPE_H],
HAVE_ISWCNTRL=0
fi
AC_SUBST([HAVE_ISWCNTRL])
HAVE_ISWCNTRL=0
fi
AC_SUBST([HAVE_ISWCNTRL])
+ AC_CHECK_FUNCS_ONCE([iswblank])
+ if test $ac_cv_func_iswblank = yes; then
+ HAVE_ISWBLANK=1
+ else
+ HAVE_ISWBLANK=0
+ fi
+ AC_SUBST([HAVE_ISWBLANK])
AC_CHECK_HEADERS_ONCE([wctype.h])
AC_REQUIRE([AC_C_INLINE])
AC_CHECK_HEADERS_ONCE([wctype.h])
AC_REQUIRE([AC_C_INLINE])