host-build: add support for a stampfile per installed binary

Some individual build items install a group of programs
instead of a program matching the name of the build item.

Add support for installing stampfiles for each of the
programs installed by that build item,
which will allow more control and awareness
of what is installed by the rest of the build system,
if, for example, prereq symlink checks are looking
for the same program which is built already.

Signed-off-by: Michael Pratt <mcpratt@pm.me>

include/host-build.mk

@@ -26,6 +26,7 @@ HOST_STAMP_CONFIGURED:=$(HOST_BUILD_DIR)/.configured
 HOST_STAMP_BUILT:=$(HOST_BUILD_DIR)/.built
 HOST_BUILD_PREFIX?=$(if $(IS_PACKAGE_BUILD),$(STAGING_DIR_HOSTPKG),$(STAGING_DIR_HOST))
 HOST_STAMP_INSTALLED:=$(HOST_BUILD_PREFIX)/stamp/.$(PKG_NAME)_installed
+HOST_STAMP_PROGRAMS:=$(foreach program,$(PKG_PROGRAMS),$(subst $(PKG_NAME),$(program),$(HOST_STAMP_INSTALLED)) )
 
 override MAKEFLAGS=
 
@@ -172,7 +173,7 @@ ifndef DUMP
 		$(foreach hook,$(Hooks/HostInstall/Post),$(call $(hook))$(sep))
 		mkdir -p $$(shell dirname $$@)
 		touch $(HOST_STAMP_BUILT)
-		touch $$@
+		touch $$@ $(HOST_STAMP_PROGRAMS)
 
   $(call DefaultTargets,$(patsubst %,host-%,$(DEFAULT_SUBDIR_TARGETS)))
   ifndef STAMP_BUILT
@@ -187,7 +188,7 @@ ifndef DUMP
 
   $(_host_target)host-prepare: $(HOST_STAMP_PREPARED)
   $(_host_target)host-configure: $(HOST_STAMP_CONFIGURED)
-  $(_host_target)host-compile: $(HOST_STAMP_BUILT) $(HOST_STAMP_INSTALLED)
+  $(_host_target)host-compile: $(HOST_STAMP_BUILT) $(HOST_STAMP_INSTALLED) $(HOST_STAMP_PROGRAMS)
   host-install: host-compile
 
   host-clean-build: FORCE
@@ -196,7 +197,7 @@ ifndef DUMP
 
   host-clean: host-clean-build
 	$(call Host/Clean)
-	rm -rf $(HOST_STAMP_INSTALLED)
+	rm -rf $(HOST_STAMP_INSTALLED) $(HOST_STAMP_PROGRAMS)
 
     ifneq ($(CONFIG_AUTOREMOVE),)
       host-compile: