Makefile for f3 lib added. Gpio.c and rcc.c also in.

lib/stm32/f3/Makefile

@@ -0,0 +1,43 @@
+##
+## This file is part of the libopencm3 project.
+##
+## Copyright (C) 2009 Uwe Hermann <uwe@hermann-uwe.de>
+##
+## This library is free software: you can redistribute it and/or modify
+## it under the terms of the GNU Lesser General Public License as published by
+## the Free Software Foundation, either version 3 of the License, or
+## (at your option) any later version.
+##
+## This library is distributed in the hope that it will be useful,
+## but WITHOUT ANY WARRANTY; without even the implied warranty of
+## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+## GNU Lesser General Public License for more details.
+##
+## You should have received a copy of the GNU Lesser General Public License
+## along with this library.  If not, see <http://www.gnu.org/licenses/>.
+##
+
+LIBNAME		= libopencm3_stm32f3
+
+PREFIX	        ?= arm-none-eabi
+# PREFIX	?= arm-elf
+CC		= $(PREFIX)-gcc
+AR		= $(PREFIX)-ar
+CFLAGS		= -Os -g \
+		  -Wall -Wextra -Wimplicit-function-declaration \
+		  -Wredundant-decls -Wmissing-prototypes -Wstrict-prototypes \
+		  -Wundef -Wshadow \
+		  -I../../../include -fno-common \
+		  -mcpu=cortex-m4 -mthumb -mfloat-abi=hard -mfpu=fpv4-sp-d16 \
+		  -Wstrict-prototypes \
+		  -ffunction-sections -fdata-sections -MD -DSTM32F3
+# ARFLAGS	= rcsv
+ARFLAGS		= rcs
+
+OBJS		= rcc.o gpio.o
+
+OBJS            += gpio_common_all.o gpio_common_f234.o
+
+VPATH += ../../usb:../:../../cm3:../common
+
+include ../../Makefile.include