Nowdays we use libusb for usb-host, so we don't have different code
for linux vs. bsd any more.  So there is little reason to have the
HOST_USB variable, we can just write things directly into the Makefile
and avoid a pointless indirection.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
---
 configure            | 7 -------
 hw/usb/Makefile.objs | 6 +++++-
 2 files changed, 5 insertions(+), 8 deletions(-)

diff --git a/configure b/configure
index a541aadebc..ec93234f47 100755
--- a/configure
+++ b/configure
@@ -5978,13 +5978,6 @@ if test "$live_block_migration" = "yes" ; then
   echo "CONFIG_LIVE_BLOCK_MIGRATION=y" >> $config_host_mak
 fi
 
-# USB host support
-if test "$libusb" = "yes"; then
-  echo "HOST_USB=libusb legacy" >> $config_host_mak
-else
-  echo "HOST_USB=stub" >> $config_host_mak
-fi
-
 # TPM passthrough support?
 if test "$tpm" = "yes"; then
   echo 'CONFIG_TPM=$(CONFIG_SOFTMMU)' >> $config_host_mak
diff --git a/hw/usb/Makefile.objs b/hw/usb/Makefile.objs
index 97f1c4561a..a43ebbc17f 100644
--- a/hw/usb/Makefile.objs
+++ b/hw/usb/Makefile.objs
@@ -38,7 +38,11 @@ endif
 common-obj-$(CONFIG_USB_REDIR) += redirect.o quirks.o
 
 # usb pass-through
-common-obj-y += $(patsubst %,host-%.o,$(HOST_USB))
+ifeq ($(CONFIG_LIBUSB),y)
+common-obj-y += host-libusb.o host-legacy.o
+else
+common-obj-y += host-stub.o
+endif
 
 ifeq ($(CONFIG_USB_LIBUSB),y)
 common-obj-$(CONFIG_XEN) += xen-usb.o
-- 
2.9.3

On 08.09.2017 13:12, Gerd Hoffmann wrote:
> Nowdays we use libusb for usb-host, so we don't have different code
> for linux vs. bsd any more.  So there is little reason to have the
> HOST_USB variable, we can just write things directly into the Makefile
> and avoid a pointless indirection.
> 
> Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
> ---
>  configure            | 7 -------
>  hw/usb/Makefile.objs | 6 +++++-
>  2 files changed, 5 insertions(+), 8 deletions(-)
> 
> diff --git a/configure b/configure
> index a541aadebc..ec93234f47 100755
> --- a/configure
> +++ b/configure
> @@ -5978,13 +5978,6 @@ if test "$live_block_migration" = "yes" ; then
>    echo "CONFIG_LIVE_BLOCK_MIGRATION=y" >> $config_host_mak
>  fi
>  
> -# USB host support
> -if test "$libusb" = "yes"; then
> -  echo "HOST_USB=libusb legacy" >> $config_host_mak
> -else
> -  echo "HOST_USB=stub" >> $config_host_mak
> -fi
> -
>  # TPM passthrough support?
>  if test "$tpm" = "yes"; then
>    echo 'CONFIG_TPM=$(CONFIG_SOFTMMU)' >> $config_host_mak
> diff --git a/hw/usb/Makefile.objs b/hw/usb/Makefile.objs
> index 97f1c4561a..a43ebbc17f 100644
> --- a/hw/usb/Makefile.objs
> +++ b/hw/usb/Makefile.objs
> @@ -38,7 +38,11 @@ endif
>  common-obj-$(CONFIG_USB_REDIR) += redirect.o quirks.o
>  
>  # usb pass-through
> -common-obj-y += $(patsubst %,host-%.o,$(HOST_USB))
> +ifeq ($(CONFIG_LIBUSB),y)
> +common-obj-y += host-libusb.o host-legacy.o
> +else
> +common-obj-y += host-stub.o
> +endif
>  
>  ifeq ($(CONFIG_USB_LIBUSB),y)
>  common-obj-$(CONFIG_XEN) += xen-usb.o

Reviewed-by: Thomas Huth <thuth@redhat.com>