Commit ab7474ea authored by Borislav Petkov's avatar Borislav Petkov Committed by Michal Marek

Kbuild: Ignore GREP_OPTIONS env variable

When building the kernel in a shell which defines GREP_OPTIONS so that
grep behavior is modified, we can break the generation of the syscalls
table like so:

__SYSCALL_COMMON(^[[01;31m^[[K0^[[m^[[K, sys_read, sys_read)
__SYSCALL_COMMON(^[[01;31m^[[K1^[[m^[[K, sys_write, sys_write)
__SYSCALL_COMMON(^[[01;31m^[[K1^[[m^[[K0, sys_mprotect, sys_mprotect) ...

This is just the initial breakage, later we barf when generating

In this case, GREP_OPTIONS contains "--color=always" which adds the shell
colors markup and completely fudges the headers under ...generated/asm/.

Fix that by unexporting the GREP_OPTIONS variable for the whole kernel
build as we tend to use grep at a bunch of places.
Signed-off-by: default avatarBorislav Petkov <>
Signed-off-by: default avatarMichal Marek <>
parent 6f62259b
......@@ -22,6 +22,9 @@ LC_COLLATE=C
# Avoid interference with shell env settings
# We are using a recursive build, so we need to do a little thinking
# to get the ordering right.
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