@node ax_cxx_mutable @unnumberedsec ax_cxx_mutable @majorheading Synopsis @smallexample AX_CXX_MUTABLE @end smallexample @majorheading Description If the compiler allows modifying class data members flagged with the mutable keyword even in const objects (for example in the body of a const member function), define HAVE_MUTABLE. @majorheading Source Code Download the @uref{http://git.savannah.gnu.org/gitweb/?p=autoconf-archive.git;a=blob_plain;f=m4/ax_cxx_mutable.m4,latest version of @file{ax_cxx_mutable.m4}} or browse @uref{http://git.savannah.gnu.org/gitweb/?p=autoconf-archive.git;a=history;f=m4/ax_cxx_mutable.m4,the macro's revision history}. @majorheading License @w{Copyright @copyright{} 2008 Todd Veldhuizen} @* @w{Copyright @copyright{} 2008 Luc Maisonobe @email{luc@@spaceroots.org}} 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.