--- a/components/cups/Makefile	Mon Nov 16 06:14:40 2015 -0800
+++ b/components/cups/Makefile	Mon Nov 23 15:33:43 2015 -0800
@@ -45,8 +45,11 @@
 # don't use LD_Z_IGNORE: causes linker problems
 LD_Z_IGNORE=
 
-CONFIGURE_OPTIONS +=	--prefix=/usr
-CONFIGURE_OPTIONS +=	--mandir=/usr/share/man
+# cups has an unusual hybrid-build system to support 32-bit and 64-bit
+# libraries in a single build; avoid confusing it by omitting default configure
+# CPPFLAGS.
+CONFIGURE_CPPFLAGS=
+
 CONFIGURE_OPTIONS +=	--localedir=$(USRSHARELOCALEDIR)
 CONFIGURE_OPTIONS +=	--sysconfdir=$(ETCDIR)
 CONFIGURE_OPTIONS +=	--localstatedir=/var