For historical reasons, the mkdtemp module was using a 'gt_' prefix.
2011-05-21 Bruno Haible <br...@clisp.org> mkdtemp: Use gnulib naming conventions. * m4/mkdtemp.m4 (gl_FUNC_MKDTEMP): Renamed from gt_FUNC_MKDTEMP. * modules/mkdtemp (configure.ac): Update. --- m4/mkdtemp.m4.orig Sat May 21 15:37:41 2011 +++ m4/mkdtemp.m4 Sat May 21 15:36:30 2011 @@ -1,11 +1,11 @@ -# mkdtemp.m4 serial 6 +# mkdtemp.m4 serial 7 dnl Copyright (C) 2001-2003, 2006-2007, 2009-2011 Free Software Foundation, dnl Inc. dnl This file is free software; the Free Software Foundation dnl gives unlimited permission to copy and/or distribute it, dnl with or without modifications, as long as this notice is preserved. -AC_DEFUN([gt_FUNC_MKDTEMP], +AC_DEFUN([gl_FUNC_MKDTEMP], [ AC_REQUIRE([gl_STDLIB_H_DEFAULTS]) AC_REPLACE_FUNCS([mkdtemp]) --- modules/mkdtemp.orig Sat May 21 15:37:41 2011 +++ modules/mkdtemp Sat May 21 15:36:30 2011 @@ -11,7 +11,7 @@ tempname [test $HAVE_MKDTEMP = 0] configure.ac: -gt_FUNC_MKDTEMP +gl_FUNC_MKDTEMP gl_STDLIB_MODULE_INDICATOR([mkdtemp]) Makefile.am: -- In memoriam Alfred Grünberg <http://en.wikipedia.org/wiki/Alfred_Grünberg>