Fixes bug 172894 by checking at configure-time whether the

sizeof(void*) is 4.

config.h.in

@@ -144,6 +144,9 @@
 /* Define to the version of this package. */
 #undef PACKAGE_VERSION
 
+/* The size of `void *', as computed by sizeof. */
+#undef SIZEOF_VOID_P
+
 /* Define to 1 if you have the ANSI C header files. */
 #undef STDC_HEADERS
 

configure.ac

@@ -27,6 +27,12 @@ case "$target_os" in
     ;;
   esac
 
+
+AC_CHECK_SIZEOF(void *)
+if (test $ac_cv_sizeof_void_p != 4); then
+  AC_MSG_ERROR([Ikarus can only run in 32-bit mode.])
+fi
+
 # Checks for libraries.
 AC_SEARCH_LIBS(dlsym, dl,, [AC_MSG_ERROR([Cannot find libdl])])
 AC_SEARCH_LIBS(cos, m,, [AC_MSG_ERROR([Cannot find libm])])

scheme/last-revision

@@ -1 +1 @@
-1162
+1163