build: always link device_tree.o into emulators if libfdt available

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

Makefile.target

@@ -111,6 +111,7 @@ CONFIG_NO_CORE_DUMP = $(if $(subst n,,$(CONFIG_HAVE_CORE_DUMP)),n,y)
 obj-y += arch_init.o cpus.o monitor.o gdbstub.o balloon.o ioport.o
 obj-y += qtest.o
 obj-y += hw/
+obj-$(CONFIG_FDT) += device_tree.o
 obj-$(CONFIG_KVM) += kvm-all.o
 obj-$(CONFIG_NO_KVM) += kvm-stub.o
 obj-y += memory.o savevm.o cputlb.o

configure

@@ -2416,6 +2416,7 @@ int main(void) { return 0; }
 EOF
   if compile_prog "" "$fdt_libs" ; then
     fdt=yes
+    libs_softmmu="$libs_softmmu $fdt_libs"
   else
     if test "$fdt" = "yes" ; then
       feature_not_found "fdt"
@@ -3981,7 +3982,6 @@ case "$target_arch2" in
     target_nptl="yes"
     gdb_xml_files="arm-core.xml arm-vfp.xml arm-vfp3.xml arm-neon.xml"
     target_llong_alignment=4
-    target_libs_softmmu="$fdt_libs"
   ;;
   cris)
     target_nptl="yes"
@@ -4000,7 +4000,6 @@ case "$target_arch2" in
     TARGET_ARCH=microblaze
     bflt="yes"
     target_nptl="yes"
-    target_libs_softmmu="$fdt_libs"
   ;;
   mips|mipsel)
     TARGET_ARCH=mips
@@ -4025,21 +4024,18 @@ case "$target_arch2" in
   ppc)
     gdb_xml_files="power-core.xml power-fpu.xml power-altivec.xml power-spe.xml"
     target_nptl="yes"
-    target_libs_softmmu="$fdt_libs"
   ;;
   ppcemb)
     TARGET_BASE_ARCH=ppc
     TARGET_ABI_DIR=ppc
     gdb_xml_files="power-core.xml power-fpu.xml power-altivec.xml power-spe.xml"
     target_nptl="yes"
-    target_libs_softmmu="$fdt_libs"
   ;;
   ppc64)
     TARGET_BASE_ARCH=ppc
     TARGET_ABI_DIR=ppc
     gdb_xml_files="power64-core.xml power-fpu.xml power-altivec.xml power-spe.xml"
     target_long_alignment=8
-    target_libs_softmmu="$fdt_libs"
   ;;
   ppc64abi32)
     TARGET_ARCH=ppc64
@@ -4047,7 +4043,6 @@ case "$target_arch2" in
     TARGET_ABI_DIR=ppc
     echo "TARGET_ABI32=y" >> $config_target_mak
     gdb_xml_files="power64-core.xml power-fpu.xml power-altivec.xml power-spe.xml"
-    target_libs_softmmu="$fdt_libs"
   ;;
   sh4|sh4eb)
     TARGET_ARCH=sh4

hw/arm/Makefile.objs

@@ -31,6 +31,5 @@ obj-y += strongarm.o
 obj-y += collie.o
 obj-y += imx_serial.o imx_ccm.o imx_timer.o imx_avic.o
 obj-y += kzm.o
-obj-$(CONFIG_FDT) += ../device_tree.o
 
 obj-y := $(addprefix ../,$(obj-y))

hw/microblaze/Makefile.objs

@@ -5,6 +5,5 @@ obj-y += xilinx_spi.o
 
 obj-y += microblaze_pic_cpu.o
 obj-y += xilinx_ethlite.o
-obj-$(CONFIG_FDT) += ../device_tree.o
 
 obj-y := $(addprefix ../,$(obj-y))

hw/ppc/Makefile.objs

@@ -16,7 +16,6 @@ obj-$(CONFIG_FDT) += mpc8544_guts.o ppce500_spin.o
 obj-y += virtex_ml507.o
 # PowerPC OpenPIC
 obj-y += openpic.o
-obj-$(CONFIG_FDT) += ../device_tree.o
 
 # Xilinx PPC peripherals
 obj-y += xilinx_ethlite.o