qatomic_x86_64.h Line 125 in qt-4.3.4, nearby in other versions error: inconsistent operand constraints in an `asm' Similar issue in FreeBSD: http://www.freebsd.org/cgi/query-pr.cgi?pr=114734 As suggested in that thread, their patch therein, the fix is to compile with '-fno-gcse'. I'd suggest an append-flags, sensitive to amd64, in the ebuild. Reproducible: Always Steps to Reproduce: 1. emerge qt, OR 2. ACCEPT_KEYWORDS="~amd64" emerge qt 3. Actual Results: error: inconsistent operand constraints in an `asm' Expected Results: successful build http://www.freebsd.org/cgi/query-pr.cgi?pr=114734
*** This bug has been marked as a duplicate of bug 178652 ***