BOARDS and ARCH defines from boards.txt

See arduino#308

Author: cmaglie

boards.txt

@@ -8,6 +8,7 @@ arduino_due_x_dbg.upload.wait_for_upload_port=false
 arduino_due_x_dbg.upload.native_usb=false
 arduino_due_x_dbg.build.mcu=cortex-m3
 arduino_due_x_dbg.build.f_cpu=84000000L
+arduino_due_x_dbg.build.board=ARDUINO_DUE
 arduino_due_x_dbg.build.core=arduino
 arduino_due_x_dbg.build.extra_flags=-D__SAM3X8E__ -mthumb -DUSB_PID={build.pid} -DUSB_VID={build.vid} -DUSBCON
 arduino_due_x_dbg.build.ldscript=linker_scripts/gcc/flash.ld
@@ -25,6 +26,7 @@ arduino_due_x.upload.wait_for_upload_port=true
 arduino_due_x.upload.native_usb=true
 arduino_due_x.build.mcu=cortex-m3
 arduino_due_x.build.f_cpu=84000000L
+arduino_due_x.build.board=ARDUINO_DUE
 arduino_due_x.build.core=arduino
 arduino_due_x.build.extra_flags=-D__SAM3X8E__ -mthumb -DUSB_PID={build.pid} -DUSB_VID={build.vid} -DUSBCON
 arduino_due_x.build.ldscript=linker_scripts/gcc/flash.ld

platform.txt

@@ -30,10 +30,10 @@ compiler.libsam.c.flags="-I{build.system.path}/libsam" "-I{build.system.path}/CM
 # ---------------------
 
 ## Compile c files
-recipe.c.o.pattern="{compiler.path}{compiler.c.cmd}" {compiler.c.flags} -mcpu={build.mcu} -DF_CPU={build.f_cpu} -D{software}={runtime.ide.version} {build.extra_flags} {compiler.libsam.c.flags} {includes} "{source_file}" -o "{object_file}"
+recipe.c.o.pattern="{compiler.path}{compiler.c.cmd}" {compiler.c.flags} -mcpu={build.mcu} -DF_CPU={build.f_cpu} -D{software}={runtime.ide.version} -D{build.board} -DARDUINO_ARCH_{build.arch} {build.extra_flags} {compiler.libsam.c.flags} {includes} "{source_file}" -o "{object_file}"
 
 ## Compile c++ files
-recipe.cpp.o.pattern="{compiler.path}{compiler.cpp.cmd}" {compiler.cpp.flags} -mcpu={build.mcu} -DF_CPU={build.f_cpu} -D{software}={runtime.ide.version} {build.extra_flags} {compiler.libsam.c.flags} {includes} "{source_file}" -o "{object_file}"
+recipe.cpp.o.pattern="{compiler.path}{compiler.cpp.cmd}" {compiler.cpp.flags} -mcpu={build.mcu} -DF_CPU={build.f_cpu} -D{software}={runtime.ide.version} -D{build.board} -DARDUINO_ARCH_{build.arch} {build.extra_flags} {compiler.libsam.c.flags} {includes} "{source_file}" -o "{object_file}"
 
 ## Create archives
 recipe.ar.pattern="{compiler.path}{compiler.ar.cmd}" {compiler.ar.flags} "{build.path}/{archive_file}" "{object_file}"