Hi, the upstream commit http://hamfax.git.sourceforge.net/git/gitweb.cgi?p=hamfax/hamfax;a=commit;h=8f93dd47b5fa04a3bf9fe3f54d98f8deda9edd4f should fix this build problem. The commit is included in the hamfax releases 0.6.5 and 0.7. 73 Christof