iZEN wrote at 18:30 +0400 on May 21, 2012: . . > WITH_CLANG=true . . > configure:12807: checking if /usr/bin/cpp requires -traditional > configure:12822: error: /usr/bin/cpp does not preserve whitespace with or without -traditional. I don't know what to do. http://www.freebsd.org/cgi/query-pr.cgi?pr=166373