@node ax_decl_wchar_max @unnumberedsec ax_decl_wchar_max @majorheading Synopsis @smallexample AX_DECL_WCHAR_MAX @end smallexample @majorheading Description Checks whether the system headers define WCHAR_MAX or not. If it is already defined, does nothing. Otherwise checks the size and signedness of `wchar_t', and defines WCHAR_MAX to the maximum value that can be stored in a variable of type `wchar_t'. @majorheading Source Code Download the @uref{http://git.savannah.gnu.org/gitweb/?p=autoconf-archive.git;a=blob_plain;f=m4/ax_decl_wchar_max.m4,latest version of @file{ax_decl_wchar_max.m4}} or browse @uref{http://git.savannah.gnu.org/gitweb/?p=autoconf-archive.git;a=history;f=m4/ax_decl_wchar_max.m4,the macro's revision history}. @majorheading License @w{Copyright @copyright{} 2008 Ville Laurikari @email{vl@@iki.fi}} Copying and distribution of this file, with or without modification, are permitted in any medium without royalty provided the copyright notice and this notice are preserved. This file is offered as-is, without any warranty.