1*1476fee5SMasahiro Yamada#!/bin/sh 2*1476fee5SMasahiro Yamada 3*1476fee5SMasahiro Yamadaset -e 4*1476fee5SMasahiro Yamada 5*1476fee5SMasahiro Yamada# When you move, remove or rename generated files, you probably also update 6*1476fee5SMasahiro Yamada# .gitignore and cleaning rules in the Makefile. This is the right thing 7*1476fee5SMasahiro Yamada# to do. However, people usually do 'git pull', 'git bisect', etc. without 8*1476fee5SMasahiro Yamada# running 'make clean'. Then, the stale generated files are left over, often 9*1476fee5SMasahiro Yamada# causing build issues. 10*1476fee5SMasahiro Yamada# 11*1476fee5SMasahiro Yamada# Also, 'git status' shows such stale build artifacts as untracked files. 12*1476fee5SMasahiro Yamada# What is worse, some people send a wrong patch to get them back to .gitignore 13*1476fee5SMasahiro Yamada# without checking the commit history. 14*1476fee5SMasahiro Yamada# 15*1476fee5SMasahiro Yamada# So, when you (re)move generated files, please move the cleaning rules from 16*1476fee5SMasahiro Yamada# the Makefile to this script. This is run before Kbuild starts building 17*1476fee5SMasahiro Yamada# anything, so people will not be annoyed by such garbage files. 18*1476fee5SMasahiro Yamada# 19*1476fee5SMasahiro Yamada# This script is not intended to grow endlessly. Rather, it is a temporary scrap 20*1476fee5SMasahiro Yamada# yard. Stale files stay in this file for a while (for some release cycles?), 21*1476fee5SMasahiro Yamada# then will be really dead and removed from the code base entirely. 22*1476fee5SMasahiro Yamada 23*1476fee5SMasahiro Yamada# These were previously generated source files. When you are building the kernel 24*1476fee5SMasahiro Yamada# with O=, make sure to remove the stale files in the output tree. Otherwise, 25*1476fee5SMasahiro Yamada# the build system wrongly compiles the stale ones. 26*1476fee5SMasahiro Yamadaif [ -n "${building_out_of_srctree}" ]; then 27*1476fee5SMasahiro Yamada for f in fdt_rw.c fdt_ro.c fdt_wip.c fdt.c 28*1476fee5SMasahiro Yamada do 29*1476fee5SMasahiro Yamada rm -f arch/arm/boot/compressed/${f} 30*1476fee5SMasahiro Yamada done 31*1476fee5SMasahiro Yamadafi 32