Revamp lchown so that it lives in unistd.h where it belongs.

[pspp] / m4 / wctype.m4

diff --git a/m4/wctype.m4 b/m4/wctype.m4
index d8aa554b1613f55818b266d076f1ef58c782484d..a56834d0ce6acabb0f0d84c9467d78a9419e31d0 100644 (file)
--- a/m4/wctype.m4
+++ b/m4/wctype.m4
@@ -1,6 +1,6 @@
 dnl A placeholder for ISO C99 <wctype.h>, for platforms that lack it.
 
-dnl Copyright (C) 2006 Free Software Foundation, Inc.
+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.
@@ -10,21 +10,32 @@ 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
+    if test $ac_cv_func_iswcntrl = yes; then
       WCTYPE_H=
-      ABSOLUTE_WCTYPE_H=\"does/not/matter.h\"
-    else
-      gl_ABSOLUTE_HEADER([wctype.h])
-      ABSOLUTE_WCTYPE_H=\"$gl_cv_absolute_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\"