diff -Nur profiles.orig/arch/amd64-fbsd/make.defaults profiles/arch/amd64-fbsd/make.defaults
--- profiles.orig/arch/amd64-fbsd/make.defaults	2015-01-29 06:01:15.000000000 +0900
+++ profiles/arch/amd64-fbsd/make.defaults	2015-01-31 18:38:14.000000000 +0900
@@ -35,8 +35,8 @@
 MULTILIB_STRICT_DIRS="/lib32 /usr/lib32 /usr/kde/*/lib32 /usr/qt/*/lib32 /usr/X11R6/lib32"
 SYMLINK_LIB="no"
 
-# Unmask multilib ABIs use expands.
-USE_EXPAND_HIDDEN="-ABI_X86"
+# Unhide the x86-specific USE_EXPANDs.
+USE_EXPAND_HIDDEN="-ABI_X86 -CPU_FLAGS_X86"
 
 # Michał Górny <mgorny@gentoo.org> (01 Jul 2014)
 # Default to abi_x86_64 for packages that don't have it forced.
diff -Nur profiles.orig/arch/x86-fbsd/make.defaults profiles/arch/x86-fbsd/make.defaults
--- profiles.orig/arch/x86-fbsd/make.defaults	2014-07-01 19:31:15.000000000 +0900
+++ profiles/arch/x86-fbsd/make.defaults	2015-01-31 18:19:27.000000000 +0900
@@ -24,6 +24,9 @@
 	nv r128 radeon rendition s3 s3virge savage siliconmotion sis \
 	sisusb tga trident tseng via vmware"
 
+# Unhide the CPU_FLAGS_X86 USE_EXPANDs.
+USE_EXPAND_HIDDEN="-CPU_FLAGS_X86"
+
 # Michał Górny <mgorny@gentoo.org> (01 Jul 2014)
 # Default to abi_x86_32 for packages that don't have it forced.
 ABI_X86="32"