Allow creating a script for external use of Buildroot toolchain

toolchain/Config.in

@@ -26,6 +26,8 @@ config BR2_TOOLCHAIN_SOURCE
 	default y if BR2_TOOLCHAIN_BUILDROOT || BR2_TOOLCHAIN_EXTERNAL_SOURCE
 	default n if BR2_TOOLCHAIN_EXTERNAL
 
+source "toolchain/export-toolchain/Config.in"
+
 source "target/device/Config.in.toolchain"
 
 source "toolchain/Config.in.1"

toolchain/Makefile.in

@@ -47,3 +47,5 @@ CFLAGS_COMBINE = $(call cc-option,-combine,)
 # gcc has a bunch of needed stuff....
 include toolchain/gcc/Makefile.in
 
+include toolchain/export-toolchain/Makefile.in
+

toolchain/export-toolchain/Config.in

@@ -0,0 +1,8 @@
+config BR2_EXPORT_TOOLCHAIN
+	bool "Create script exporting toolchain to home directory"
+	default n
+	help
+	  This will generate a batchfile which, if run
+	  will add the Buildroot toolchain to the user PATH
+	  The file is called "$(ARCH)-uclibc-gcc-$(GCC_VERSION).sh"
+

toolchain/export-toolchain/Makefile.in

@@ -0,0 +1,28 @@
+# This generates a script which exports the toolchain
+# using a shell script
+
+GCC_SCRIPT:=$(ARCH)-uclibc-gcc-$(GCC_VERSION).sh
+GCC_SCRIPT_TEMP:=$(BINARIES_DIR)/$(GCC_SCRIPT)
+
+~/$(GCC_SCRIPT): cross_compiler
+	@echo	"#!/bin/sh"						>	$(GCC_SCRIPT_TEMP)
+	@echo	"# $(ARCH) cross compiler toolchain created $(DATE)"	>>	$(GCC_SCRIPT_TEMP)
+	@echo	"# gcc-$(GCC_VERSION)"					>>	$(GCC_SCRIPT_TEMP)
+	@echo	"# binutils-$(BINUTILS_VERSION)"			>>	$(GCC_SCRIPT_TEMP)
+	@echo	"# uClibc-$(UCLIBC_VERSION)"				>>	$(GCC_SCRIPT_TEMP)
+	@echo	"export	GCCROOT=$(STAGING_DIR)/usr"			>>	$(GCC_SCRIPT_TEMP)
+	@echo	"export	PATH=\$$PATH:\$$GCCROOT/bin"			>>	$(GCC_SCRIPT_TEMP)
+	@echo	"export	CROSS_COMPILE=$(REAL_GNU_TARGET_NAME)-"		>>	$(GCC_SCRIPT_TEMP)
+	@cp	$(GCC_SCRIPT_TEMP) ~/$(GCC_SCRIPT)
+	@cat	~/$(GCC_SCRIPT)
+
+export-toolchain: ~/$(GCC_SCRIPT)
+
+export-toolchain-clean:
+	rm	-f ~/$(GCC_SCRIPT)
+	rm	-f $(GCC_SCRIPT_TEMP)
+
+ifeq ($(BR2_EXPORT_TOOLCHAIN),y)
+TARGETS+=export-toolchain
+endif
+

toolchain/uClibc/Config.in

@@ -27,6 +27,12 @@ choice
 
 endchoice
 
+config UCLIBC_VERSION
+	string
+	default "0.9.28.3"	if BR2_UCLIBC_VERSION_0_9_28_3
+	default "0.9.29"	if BR2_UCLIBC_VERSION_0_9_29
+	default "0.9.30"	if BR2_UCLIBC_VERSION_0_9_30
+	default "snapshot"	if BR2_UCLIBC_VERSION_SNAPSHOT
 
 config BR2_USE_UCLIBC_SNAPSHOT
 	string "Date (yyyymmdd) of snapshot or 'snapshot' for latest"