5 # When you move, remove or rename generated files, you probably also update
6 # .gitignore and cleaning rules in the Makefile. This is the right thing
7 # to do. However, people usually do 'git pull', 'git bisect', etc. without
8 # running 'make clean'. Then, the stale generated files are left over, often
9 # causing build issues.
11 # Also, 'git status' shows such stale build artifacts as untracked files.
12 # What is worse, some people send a wrong patch to get them back to .gitignore
13 # without checking the commit history.
15 # So, when you (re)move generated files, please move the cleaning rules from
16 # the Makefile to this script. This is run before Kbuild starts building
17 # anything, so people will not be annoyed by such garbage files.
19 # This script is not intended to grow endlessly. Rather, it is a temporary scrap
20 # yard. Stale files stay in this file for a while (for some release cycles?),
21 # then will be really dead and removed from the code base entirely.
23 rm -f arch/powerpc/purgatory/kexec-purgatory.c
25 # These were previously generated source files. When you are building the kernel
26 # with O=, make sure to remove the stale files in the output tree. Otherwise,
27 # the build system wrongly compiles the stale ones.
28 if [ -n "${building_out_of_srctree}" ]; then
29 for f in fdt_rw.c fdt_ro.c fdt_wip.c fdt.c ashldi3.S bswapsdi2.S font.c lib1funcs.S hyp-stub.S
31 rm -f arch/arm/boot/compressed/${f}
34 for f in uart-ath79.c ashldi3.c bswapdi.c bswapsi.c
36 rm -f arch/mips/boot/compressed/${f}
39 for f in firmware.c real2.S
41 rm -f arch/parisc/boot/compressed/${f}
45 rm -f arch/riscv/purgatory/kexec-purgatory.c
47 rm -f scripts/extract-cert
49 rm -f arch/x86/purgatory/kexec-purgatory.c
51 rm -f scripts/kconfig/[gmnq]conf-cfg