[build] Display on boarding app only with make PLATFORM=device

ON_BOARDING=1

Change-Id: Iada91f419d8e083326cf146b6cf3b6fa8c029486

apps/Makefile

@@ -36,6 +36,8 @@ app_objs += $(addprefix apps/,\
   variable_box_leaf_cell.o\
 )
 
+apps/apps_container.o: SFLAGS += -DON_BOARDING=$(ON_BOARDING)
+
 app_images += apps/exam_icon.png
 
 # Tracking which source file uses which image is painful. But we need to ensure

apps/apps_container.cpp

@@ -6,6 +6,10 @@ extern "C" {
 #include <assert.h>
 }
 
+#ifndef ON_BOARDING
+#error This file expects ON_BOARDING to be defined
+#endif
+
 using namespace Shared;
 
 AppsContainer::AppsContainer() :
@@ -152,7 +156,11 @@ void AppsContainer::switchTo(App::Snapshot * snapshot) {
 }
 
 void AppsContainer::run() {
+#if ON_BOARDING
   switchTo(onBoardingAppSnapshot());
+#else
+  switchTo(appSnapshotAtIndex(0));
+#endif
   Container::run();
   switchTo(nullptr);
 }

build/platform.blackbox.mak

@@ -1,3 +1,4 @@
 TOOLCHAIN ?= afl
 USE_LIBA ?= 0
 EXE = bin
+ON_BOARDING ?= 0

build/platform.device.mak

@@ -5,6 +5,7 @@ TOOLCHAIN = arm-llvm
 endif
 USE_LIBA = 1
 EXE = elf
+ON_BOARDING ?= !DEBUG
 
 %_flash: %.bin
 	dfu-util -i 0 -a 0 -s 0x08000000:leave -D $<

build/platform.emscripten.mak

@@ -1,3 +1,4 @@
 TOOLCHAIN = emscripten
 USE_LIBA = 0
 EXE = html
+ON_BOARDING ?= 0

build/platform.simulator.mak

@@ -1,3 +1,4 @@
 TOOLCHAIN ?= host-clang
 USE_LIBA = 0
 EXE = elf
+ON_BOARDING ?= 0