SDK: Split PLATFORMID at build time rather than runtime

...where $(shell printf ...) in settings.mk likely doesn't work on Windows.

Change-Id: I64a51203d1bf131160768f9a9069f428228aa6b1

odk/CustomTarget_settings.mk

@@ -13,7 +13,9 @@ $(eval $(call gb_CustomTarget_register_target,odk/settings,dk.mk))
 
 $(call gb_CustomTarget_get_workdir,odk/settings)/dk.mk : $(SRCDIR)/odk/settings/dk.mk
 	$(call gb_Output_announce,$(subst $(WORKDIR)/,,$@),build,SED,1)
-	tr -d "\015" < $< | sed -e 's/@@PLATFORMID@@/$(PLATFORMID)/' \
+	tr -d "\015" < $< | sed \
+		-e 's/@@PLATFORM@@/$(firstword $(subst _, ,$(PLATFORMID)))/' \
+		-e 's/@@PROCTYPE@@/$(subst $(WHITESPACE),_,$(wordlist 2,$(words $(subst _, ,$(PLATFORMID))),$(subst _, ,$(PLATFORMID))))/' \
 		-e 's/@@RELEASE@@/$(PRODUCTVERSION)/' \
 		-e 's/@@BUILDID@@/$(LIBO_VERSION_MAJOR).$(LIBO_VERSION_MINOR).$(LIBO_VERSION_MICRO).$(LIBO_VERSION_PATCH)/' \
 		-e 's/@@ENABLE_DBGUTIL@@/$(ENABLE_DBGUTIL)/' > $@

odk/settings/dk.mk

-PLATFORMID=@@PLATFORMID@@
+PLATFORM=@@PLATFORM@@
+PROCTYPE=@@PROCTYPE@@
 SDKVERSION=@@RELEASE@@
 BUILDID=@@BUILDID@@
 LIBO_SDK_ENABLE_DBGUTIL=@@ENABLE_DBGUTIL@@

odk/settings/settings.mk

@@ -21,10 +21,6 @@
 
 include $(OO_SDK_HOME)/settings/dk.mk
 
-# test for the platform
-PLATFORM := $(shell printf '%s' $(PLATFORMID) | cut -f 1 -d _)
-PROCTYPE := $(shell printf '%s' $(PLATFORMID) | cut -f 2- -d _)
-
 # debug option, default is no debug
 DEBUG=no
 ifeq "$(MAKECMDGOALS)" "debug"