strcasecmp and strncasecmp are only missing on "old" platforms, according to the platforms x functions matrix. Here's a proposed patch:
2011-04-24 Bruno Haible <br...@clisp.org> strcase: Make module obsolete. * modules/strcase (Status, Notice): New fields. *** modules/strcase.orig Sun Apr 24 14:12:23 2011 --- modules/strcase Sun Apr 24 14:11:32 2011 *************** *** 1,6 **** --- 1,12 ---- Description: Case-insensitive string comparison functions. + Status: + obsolete + + Notice: + This module is obsolete. + Files: lib/strcasecmp.c lib/strncasecmp.c -- In memoriam Siamanto <http://en.wikipedia.org/wiki/Siamanto>