Add an option to allow people to relocate the toolchain

Config.in

@@ -74,6 +74,20 @@ config BR2_WGET
 	string
 	default "wget --passive-ftp -nd"
 
+config BR2_STAGING_DIR
+	string "Toolchain and header file location?"
+	default "$(BUILD_DIR)/staging_dir"
+	help
+	    This is the location where the toolchain will be installed.
+	    Since the toolchain will not work if it is moved from this
+	    location, it is important for people wishing to package up
+	    a uClibc toolchain that this be set to the location in which
+	    the toolchain will be used.
+
+	    Most people will leave this set to the default value of
+	    "$(BUILD_DIR)/staging_dir".
+
+
 config BR2_TAR_VERBOSITY
 	bool
 	default n

package/Makefile.in

@@ -15,8 +15,10 @@ DL_DIR:=$(BASE_DIR)/dl
 #PATCH_DIR=$(BASE_DIR)/sources/patches
 BUILD_DIR:=$(BASE_DIR)/build_$(ARCH)$(ARCH_FPU_SUFFIX)
 TARGET_DIR:=$(BUILD_DIR)/root
-STAGING_DIR=$(BUILD_DIR)/staging_dir
 TOOL_BUILD_DIR=$(BASE_DIR)/toolchain_build_$(ARCH)$(ARCH_FPU_SUFFIX)
+# Strip off the annoying quoting
+STAGING_DIR:=$(strip $(subst ",, $(BR2_STAGING_DIR)))
+#"
 TARGET_PATH=$(STAGING_DIR)/bin:/bin:/sbin:/usr/bin:/usr/sbin
 IMAGE:=$(BASE_DIR)/root_fs_$(ARCH)$(ARCH_FPU_SUFFIX)
 REAL_GNU_TARGET_NAME=$(OPTIMIZE_FOR_CPU)-linux-uclibc