AC_REQUIRE([AC_C_RESTRICT])
AC_REQUIRE([AC_TYPE_MBSTATE_T])
AC_REQUIRE([gl_EEMALLOC])
+ AC_REQUIRE([gl_GLIBC21])
AC_CHECK_HEADERS([libintl.h])
- AC_CHECK_FUNCS_ONCE([isblank iswctype wcscoll])
+ AC_CHECK_FUNCS_ONCE([isblank iswctype])
AC_CHECK_DECLS([isblank], [], [], [[#include <ctype.h>]])
])