Index: head/lib/csu/mips/Makefile
===================================================================
--- head/lib/csu/mips/Makefile
+++ head/lib/csu/mips/Makefile
@@ -2,6 +2,27 @@
 
 .PATH: ${.CURDIR:H}/common
 
+.include <src.opts.mk>
+
 CFLAGS+=	-DCRT_IRELOC_SUPPRESS
+
+.if ${MACHINE_ARCH:Mmips64}
+ELFCLASS=	64
+.else
+ELFCLASS=	32
+.endif
+.if ${MACHINE_ARCH:Mmips*el}
+ENDIAN=		l
+.else
+ENDIAN=		b
+.endif
+.if ${MACHINE_ARCH:Mmipsn32*}
+SUFFIX=		n32
+.else
+SUFFIX=
+.endif
+
+# binutils requires an explicit emulation for ld -r
+LDFLAGS.bfd+=	-Wl,-m -Wl,elf${ELFCLASS}${ENDIAN}tsmip${SUFFIX}_fbsd
 
 .include <bsd.lib.mk>