| dnl A placeholder for ISO C99 <wctype.h>, for platforms that lack it. |
| |
| dnl Copyright (C) 2006, 2007 Free Software Foundation, Inc. |
| dnl This file is free software; the Free Software Foundation |
| dnl gives unlimited permission to copy and/or distribute it, |
| dnl with or without modifications, as long as this notice is preserved. |
| |
| dnl Written by Paul Eggert. |
| |
| AC_DEFUN([gl_WCTYPE_H], |
| [ |
| AC_CHECK_FUNCS_ONCE([iswcntrl]) |
| if test $ac_cv_func_iswcntrl = yes; then |
| HAVE_ISWCNTRL=1 |
| else |
| HAVE_ISWCNTRL=0 |
| fi |
| AC_SUBST([HAVE_ISWCNTRL]) |
| AC_CHECK_HEADERS_ONCE([wctype.h]) |
| AC_REQUIRE([AC_C_INLINE]) |
| |
| AC_REQUIRE([gt_TYPE_WINT_T]) |
| if test $gt_cv_c_wint_t = yes; then |
| HAVE_WINT_T=1 |
| else |
| HAVE_WINT_T=0 |
| fi |
| AC_SUBST([HAVE_WINT_T]) |
| |
| WCTYPE_H=wctype.h |
| if test $ac_cv_header_wctype_h = yes; then |
| if test $ac_cv_func_iswcntrl = yes; then |
| WCTYPE_H= |
| fi |
| dnl Compute ABSOLUTE_WCTYPE_H even if WCTYPE_H is empty, |
| dnl for the benefit of builds from non-distclean directories. |
| gl_ABSOLUTE_HEADER([wctype.h]) |
| ABSOLUTE_WCTYPE_H=\"$gl_cv_absolute_wctype_h\" |
| HAVE_WCTYPE_H=1 |
| else |
| ABSOLUTE_WCTYPE_H=\"no/such/file/wctype.h\" |
| HAVE_WCTYPE_H=0 |
| fi |
| AC_SUBST([ABSOLUTE_WCTYPE_H]) |
| AC_SUBST([HAVE_WCTYPE_H]) |
| AC_SUBST([WCTYPE_H]) |
| ]) |
