dnl
dnl Author: Thomas E. Dickey 1995-on
dnl
-dnl $Id: aclocal.m4,v 1.933 2020/09/26 23:57:07 tom Exp $
+dnl $Id: aclocal.m4,v 1.935 2020/10/24 23:49:51 tom Exp $
dnl Macros used in NCURSES auto-configuration script.
dnl
dnl These macros are maintained separately from NCURSES. The copyright on
fi
])dnl
dnl ---------------------------------------------------------------------------
-dnl CF_BOOL_SIZE version: 15 updated: 2017/01/21 11:06:25
+dnl CF_BOOL_SIZE version: 17 updated: 2020/10/24 19:48:55
dnl ------------
dnl Test for the size of 'bool' in the configured C++ compiler (e.g., a type).
dnl Don't bother looking for bool.h, since it's been deprecated.
dnl from <stdbool.h>.
AC_DEFUN([CF_BOOL_SIZE],
[
-AC_MSG_CHECKING([for size of bool])
-AC_CACHE_VAL(cf_cv_type_of_bool,[
+AC_CHECK_SIZEOF(bool,,[
+#include <stdlib.h>
+#include <stdio.h>
+
+#if defined(__cplusplus)
+
+#ifdef HAVE_GXX_BUILTIN_H
+#include <g++/builtin.h>
+#elif HAVE_GPP_BUILTIN_H
+#include <gpp/builtin.h>
+#elif HAVE_BUILTIN_H
+#include <builtin.h>
+#endif
+
+#else
+
+#if $cf_cv_header_stdbool_h
+#include <stdbool.h>
+#endif
+
+#endif
+])
+
+AC_CACHE_CHECK(for type of bool, cf_cv_type_of_bool,[
rm -f cf_test.out
AC_TRY_RUN([
#include <stdlib.h>
cf_cv_type_of_bool=unknown
fi],
[cf_cv_type_of_bool=unknown],
- [cf_cv_type_of_bool=unknown])
- ])
+ [
+ case x$ac_cv_sizeof_bool in
+ (x1) cf_cv_type_of_bool="unsigned char";;
+ (x2) cf_cv_type_of_bool="unsigned short";;
+ (x4) cf_cv_type_of_bool="unsigned int";;
+ (x8) cf_cv_type_of_bool="unsigned long";;
+ (*) cf_cv_type_of_bool=unknown;;
+ esac
+ ])
rm -f cf_test.out
-AC_MSG_RESULT($cf_cv_type_of_bool)
+])
+
if test "$cf_cv_type_of_bool" = unknown ; then
case .$NCURSES_BOOL in
(.auto|.) NCURSES_BOOL=unsigned;;