configure: define CONFIG_TOOLS here

Defining CONFIG_TOOLS on the basis of $(TOOLS) has the disadvantage
of including it also if e.g. qemu-ga is requested.  The correct
information is available in configure, define it there.

This also has the benefit of not installing the manpages for block layer
tools if the only "tool" being built is the guest agent.
Signed-off-by: NPaolo Bonzini <pbonzini@redhat.com>

Makefile

@@ -84,8 +84,7 @@ endif
 
 include $(SRC_PATH)/rules.mak
 
-# notempy and lor are defined in rules.mak
-CONFIG_TOOLS := $(call notempty,$(TOOLS))
+# lor is defined in rules.mak
 CONFIG_BLOCK := $(call lor,$(CONFIG_SOFTMMU),$(CONFIG_TOOLS))
 
 # Create QEMU_PKGVERSION and FULL_VERSION strings
@@ -809,7 +808,7 @@ ifdef CONFIG_POSIX
 	$(INSTALL_DATA) docs/interop/qemu-qmp-ref.7 "$(DESTDIR)$(mandir)/man7"
 	$(INSTALL_DATA) docs/qemu-block-drivers.7 "$(DESTDIR)$(mandir)/man7"
 	$(INSTALL_DATA) docs/qemu-cpu-models.7 "$(DESTDIR)$(mandir)/man7"
-ifneq ($(TOOLS),)
+ifeq ($(CONFIG_TOOLS),y)
 	$(INSTALL_DATA) qemu-img.1 "$(DESTDIR)$(mandir)/man1"
 	$(INSTALL_DIR) "$(DESTDIR)$(mandir)/man8"
 	$(INSTALL_DATA) qemu-nbd.8 "$(DESTDIR)$(mandir)/man8"

configure

@@ -6617,6 +6617,9 @@ fi
 if test "$profiler" = "yes" ; then
   echo "CONFIG_PROFILER=y" >> $config_host_mak
 fi
+if test "$want_tools" = "yes" ; then
+  echo "CONFIG_TOOLS=y" >> $config_host_mak
+fi
 if test "$slirp" != "no"; then
   echo "CONFIG_SLIRP=y" >> $config_host_mak
   echo "CONFIG_SMBD_COMMAND=\"$smbd\"" >> $config_host_mak