Set up an x86_64 linux cross-build from a generic 4.2 kconfig; use a bash shell program to produce linux-headers, uClibc, gcc and a complete GNU os.
The tool is simple to customize and has only a few configuration variables. There is one executable program and six proglets, 100 common GNU source tarballs required.
The Linux 4.2 kernel has a System.map with 22000 entries, in contrast to the slackware15 map having 155000 entries.
The uClibc works superbly with g++. I used bash 4.2 along with "the tool" to build the system. ...