Make the generated wctype.h more self-contained.

[pspp] / m4 / wctype.m4

diff --git a/m4/wctype.m4 b/m4/wctype.m4
index 62994c62bae15968b543a861b033d0d42dd95e4c..a56834d0ce6acabb0f0d84c9467d78a9419e31d0 100644 (file)
--- a/m4/wctype.m4
+++ b/m4/wctype.m4
@@ -10,6 +10,12 @@ 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])
 
@@ -23,7 +29,7 @@ AC_DEFUN([gl_WCTYPE_H],
 
   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=
     fi
     dnl Compute ABSOLUTE_WCTYPE_H even if WCTYPE_H is empty,