Nah, use gb_Helper_print_on_error

Change-Id: Ib47ed5d13d0d94e706b38dc996999e263d3d0967

ios/CustomTarget_TiledLibreOffice_app.mk

@@ -15,13 +15,15 @@ BUILDID			:=$(shell cd $(SRCDIR) && git log -1 --format=%H)
 
 define TiledLibreOfficeXcodeBuild
 	CC=; \
-	tempfile=`mktemp -t customtarget.tiledlibreoffice.XXXXXX`; \
-	xcodebuild \
-		-project experimental/TiledLibreOffice/TiledLibreOffice.xcodeproj \
-		-target TiledLibreOffice \
-		-arch $(XCODE_ARCHS) \
-		-configuration $(if $(ENABLE_DEBUG),Debug,Release) \
-		$(1) $(if $(verbose)$(VERBOSE),,>$tempfile; test $$? = 0 || cat $tempfile; rm $tempfile)
+	$(call gb_Helper_print_on_error, \
+		xcodebuild \
+			-project experimental/TiledLibreOffice/TiledLibreOffice.xcodeproj \
+			-target TiledLibreOffice \
+			-arch $(XCODE_ARCHS) \
+			-configuration $(if $(ENABLE_DEBUG),Debug,Release) \
+			$(1) \
+		, $$@.log \
+	)
 endef
 
 #- Targets --------------------------------------------------------------------