Status: partly in BTS #380373 

diff -u binutils-2.17/debian/rules binutils-2.17/debian/rules
--- binutils-2.17/debian/rules
+++ binutils-2.17/debian/rules
@@ -69,6 +69,9 @@
 ifeq ($(DEB_HOST_ARCH),i386)
 	CONFARGS += --enable-targets=x86_64-linux-gnu
 endif
+ifeq ($(DEB_HOST_ARCH),kfreebsd-i386)
+	CONFARGS += --enable-targets=x86_64-kfreebsd-gnu
+endif
 ifeq ($(DEB_HOST_ARCH),mips)
        CONFARGS += --enable-targets=mips64-linux-gnu
 endif
@@ -138,7 +141,7 @@
 	mkdir builddir-multi
 	cd builddir-multi \
 	    && env CC="$(CC)" ../configure $(CONFARGS) \
-		--enable-targets=alpha-linux-gnu,arm-linux-gnu,hppa-linux-gnu,i486-linux-gnu,ia64-linux-gnu,m68k-linux-gnu,m68k-rtems,mips-linux-gnu,mipsel-linux-gnu,mips64-linux-gnu,mips64el-linux-gnu,powerpc-linux-gnu,powerpc64-linux-gnu,s390-linux-gnu,s390x-linux-gnu,sh-linux-gnu,sparc-linux-gnu,sparc64-linux-gnu,x86_64-linux,m32r-linux-gnu
+	        --enable-targets=alpha-linux-gnu,arm-linux-gnu,hppa-linux-gnu,i486-kfreebsd-gnu,i486-linux-gnu,ia64-linux-gnu,m68k-linux-gnu,m68k-rtems,mips-linux-gnu,mipsel-linux-gnu,mips64-linux-gnu,mips64el-linux-gnu,powerpc-linux-gnu,powerpc64-linux-gnu,s390-linux-gnu,s390x-linux-gnu,sh-linux-gnu,sparc-linux-gnu,sparc64-linux-gnu,x86_64-linux,x86_64-kfreebsd-gnu,m32r-linux-gnu
 	$(MAKE) -C builddir-multi configure-host
 	touch configure-multi-stamp
 
@@ -474,12 +477,18 @@
 ifneq ($(filter sparc-linux-gnu powerpc-linux-gnu mips-linux-gnu, $(TARGET)),)
 ADDITIONAL_TARGETS = --enable-targets=$(TARGET:%-linux-gnu=%64-linux-gnu)
 endif
-ifneq ($(filter i386-linux-gnu i486-linux-gnu i586-linux-gnu x86-linux-gnu, $(TARGET)),)
+ifneq ($(filter i386-linux-gnu i486-linux-gnu i586-linux-gnu i686-linux-gnu x86-linux-gnu, $(TARGET)),)
 ADDITIONAL_TARGETS = --enable-targets=x86_64-linux-gnu
 endif
+ifneq ($(filter i386-kfreebsd-gnu i486-kfreebsd-gnu i586-kfreebsd-gnu i686-kfreebsd-gnu x86-kfreebsd-gnu, $(TARGET)),)
+ADDITIONAL_TARGETS = --enable-targets=x86_64-kfreebsd-gnu
+endif
 ifeq ($(TARGET), x86_64-linux-gnu)
 ADDITIONAL_TARGETS = --enable-targets=i486-linux-gnu
 endif
+ifeq ($(TARGET), x86_64-kfreebsd-gnu)
+ADDITIONAL_TARGETS = --enable-targets=i486-kfreebsd-gnu
+endif
 ifeq ($(TARGET), mipsel-linux-gnu)
 ADDITIONAL_TARGETS = --enable-targets=mips64el-linux-gnu
 endif