build: Add toolchain

toolchain/support/build-toolchain.sh

@@ -0,0 +1,41 @@
+#!/bin/sh
+
+BUILDROOT_VERSION=2017.11
+
+set -xe
+
+if [ -d ~/buildroot ]; then
+	rm -rf ~/buildroot
+else
+	sed -i -e 's/# en_US.UTF-8 UTF-8/en_US.UTF-8 UTF-8/' /etc/locale.gen
+	locale-gen
+fi
+
+cd ~
+
+BUILDROOT_NAME=buildroot-$BUILDROOT_VERSION
+wget https://buildroot.org/downloads/$BUILDROOT_NAME.tar.gz
+tar -xf ./$BUILDROOT_NAME.tar.gz
+rm -f ./$BUILDROOT_NAME.tar.gz
+mv ./$BUILDROOT_NAME ./buildroot
+
+# patches for buildroot packages
+cd ~/patches
+for FILE in $(find . -type f -name "*.patch" 2>/dev/null); do
+	cp $FILE ~/buildroot/$FILE
+done
+
+cd ~/buildroot
+# patches for buildroot itself
+patch -p1 < ~/toolchain-expose-BR2_TOOLCHAIN_EXTRA_EXTERNAL_LIBS-for-all-toolchain-types-2017.11.1.diff
+
+cp ~/rg35xx-buildroot-$BUILDROOT_VERSION.config ./.config
+if [ -f ~/rg35xx-toolchain.tar.xz ]; then
+ 	tar -xf ~/rg35xx-toolchain.tar.xz -C /opt
+else
+	export FORCE_UNSAFE_CONFIGURE=1
+	make oldconfig
+	make world
+	
+	~/install-toolchain.sh
+fi