New make target to save the configured nad built!) toolchain.

Makefile

@@ -25,6 +25,7 @@ include $(CT_TOP_DIR)/samples/Makefile
 help::
 	@echo  'Build targets:'
 	@echo  '* build          - Build the toolchain'
+	@echo  '  tarball        - Build a tarball of the configured toolchain'
 	@echo  '  clean          - Remove generated files'
 	@echo  '  distclean      - Remove generated files, configuration and build directories'
 
@@ -42,6 +43,10 @@ help::
 build: .config
 	@$(CT_TOP_DIR)/scripts/crosstool.sh
 
+.PHONY: tarball
+tarball:
+	@$(CT_TOP_DIR)/scripts/tarball.sh
+
 .PHONY: distclean
 distclean:: clean
 	@rm -f .config* ..config.tmp

scripts/tarball.sh

@@ -0,0 +1,88 @@
+#!/bin/bash
+
+# This scripts makes a tarball of the configured toolchain
+# Pre-requisites:
+#  - crosstool-NG is configured
+#  - components tarball are available
+#  - toolchain is built successfully
+
+# We need the functions first:
+. "${CT_TOP_DIR}/scripts/functions"
+
+# Log to a temporary file until we have built our environment
+CT_ACTUAL_LOG_FILE="${CT_TOP_DIR}/$$.log"
+
+# Override log level
+unset CT_LOG_ERROR CT_LOG_WARN CT_LOG_EXTRA CT_LOG_DEBUG
+CT_LOG_INFO=y
+CT_LOG_LEVEL_MAX="INFO"
+
+# Parse the configuration file:
+. ${CT_TOP_DIR}/.config
+
+CT_DoBuildTargetTriplet
+
+# Kludge: if any of the config options needs either CT_TARGET or CT_TOP_DIR,
+# re-parse them:
+. "${CT_TOP_DIR}/.config"
+
+# Build the files' base names
+CT_KERNEL_FILE="${CT_KERNEL}-${CT_KERNEL_VERSION}"
+CT_BINUTILS_FILE="binutils-${CT_BINUTILS_VERSION}"
+CT_LIBC_FILE="${CT_LIBC}-${CT_LIBC_VERSION}"
+for addon in ${CT_LIBC_ADDONS_LIST}; do
+    CT_LIBC_ADDONS_FILES="${CT_LIBC_ADDONS_FILES} ${CT_LIBC}-${addon}-${CT_LIBC_VERSION}"
+done
+[ "${CT_LIBC_GLIBC_USE_PORTS}" = "y" ] && CT_LIBC_ADDONS_FILES="${CT_LIBC_ADDONS_FILES} ${CT_LIBC}-ports-${CT_LIBC_VERSION}"
+[ "${CT_LIBC_UCLIBC_LOCALES}" = "y" ]  && CT_LIBC_ADDONS_FILES="${CT_LIBC_ADDONS_FILES} ${CT_LIBC}-locales-030818"
+[ "${CT_CC_USE_CORE}" = "y" ]          && CT_CC_CORE_FILE="${CT_CC_CORE}-${CT_CC_CORE_VERSION}"
+CT_CC_FILE="${CT_CC}-${CT_CC_VERSION}"
+[ "${CT_ARCH_FLOAT_SW_LIBFLOAT}" = "y" ] && CT_LIBFLOAT_FILE="libfloat-990616"
+
+# Build a one-line list of the files to ease scanning below
+CT_TARBALLS_DIR="${CT_TOP_DIR}/targets/tarballs"
+CT_TARBALLS=" "
+for file_var in CT_KERNEL_FILE CT_BINUTILS_FILE CT_LIBC_FILE CT_LIBC_ADDONS_FILES CT_CC_CORE_FILE CT_CC_FILE CT_LIBFLOAT_FILE; do
+    for file in ${!file_var}; do
+        ext=`CT_GetFileExtension "${file}"`
+        CT_TestAndAbort "Missing tarball for: \"${file}\"" -z "${ext}"
+        CT_TARBALLS="${CT_TARBALLS}${file}${ext} "
+    done
+done
+
+# We need to emulate a build directory:
+CT_BUILD_DIR="${CT_TOP_DIR}/targets/${CT_TARGET}/build"
+mkdir -p "${CT_BUILD_DIR}"
+CT_MktempDir tempdir
+
+# Save crosstool-ng, as it is configured for the current toolchain.
+topdir=`basename "${CT_TOP_DIR}"`
+CT_Pushd "${CT_TOP_DIR}/.."
+
+botdir=`pwd`
+
+# Build the list of files to exclude:
+echo "${topdir}/*.log" >"${tempdir}/${CT_TARGET}.list"
+echo "${topdir}/targets/*-*-*-*" >>"${tempdir}/${CT_TARGET}.list"
+for t in `ls -1 "${topdir}/targets/tarballs/"`; do
+    case "${CT_TARBALLS}" in
+        *" ${t} "*) ;;
+        *)          echo "${topdir}/targets/tarballs/${t}" >>"${tempdir}/${CT_TARGET}.list"
+    esac
+done
+
+CT_DoLog INFO "Saving crosstool"
+tar cfj "${CT_PREFIX_DIR}/${topdir}.${CT_TARGET}.tar.bzip2" \
+    --no-wildcards-match-slash                              \
+    -X "${tempdir}/${CT_TARGET}.list"                       \
+    "${topdir}"                                             2>/dev/null
+
+CT_Popd
+
+# Save the generated toolchain
+CT_DoLog INFO "Saving the generated toolchain"
+tar cfj "${botdir}/${CT_TARGET}.tar.bz2" "${CT_PREFIX_DIR}" 2>/dev/null
+
+rm -f "${CT_PREFIX_DIR}/${topdir}.${CT_TARGET}.tar.bzip2"
+rm -rf "${tempdir}"
+rm -f "${CT_TOP_DIR}/$$.log"