From 0156b5084688835a6d6ef6e90ddf3507ba9fa9ff Mon Sep 17 00:00:00 2001
From: Alexander Barker <alex@1stleg.com>
Date: Wed, 22 Apr 2026 19:45:17 -0700
Subject: [PATCH] crossdev: don't crate files on root /

This resoves an issue where undefined K2PKG / K3PKG would result in files being created in /

Closes: https://bugs.gentoo.org/973095
Signed-off-by: Alexander Barker (https://github.com/kwhat) <alex@1stleg.com>
---
 crossdev | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/crossdev b/crossdev
index 0c1b16e..be441a1 100755
--- a/crossdev
+++ b/crossdev
@@ -949,6 +949,8 @@ AENV=""
 BCAT="sys-devel"  ; BPKG="binutils"      ; BVER="" BUSE="" BENV="" BOVL="" BMASK="" BFORCE=""
 GCAT="sys-devel"  ; GPKG="gcc"           ; GVER="" GUSE="" GENV="" GOVL="" GMASK="" GFORCE=""
 KCAT="sys-kernel" ; KPKG="linux-headers" ; KVER="" KUSE="" KENV="" KOVL="" KMASK="" KFORCE=""
+K2CAT="[none]"    ; K2PKG="[none]"       ; K2VER="" K2USE="" K2ENV="" K2OVL="" K2MASK="" K2FORCE=""
+K3CAT="[none]"    ; K3PKG="[none]"       ; K3VER="" K3USE="" K3ENV="" K3OVL="" K3MASK="" K3FORCE=""
 LCAT="sys-libs"   ; LPKG="[none]"        ; LVER="" LUSE="" LENV="" LOVL="" LMASK="" LFORCE=""
 DCAT="dev-debug"  ; DPKG="gdb"           ; DVER="" DUSE="" DENV="" DOVL="" DMASK="" DFORCE=""
 RCAT="llvm-runtimes" ; RPKG="compiler-rt"   ; RVER="" RUSE="" RENV="" ROVL="" RMASK="" RFORCE=""
@@ -1977,7 +1979,7 @@ if ! ex_fast ; then
 		USE="${KUSE} ${USE} headers-only" \
 			doemerge ${KPKG} ${KPKG}-stage1
 
-		if [[ -n ${K2PKG} ]] ; then
+		if [[ ${K2PKG} != "[none]" ]] ; then
 			# KPKG may need K2PKG to install everything, so
 			# build it as a dependency first.
 			set_eopts_on_pkg_status ${K2PKG} headers-only
@@ -1990,7 +1992,7 @@ if ! ex_fast ; then
 				doemerge ${KPKG} ${KPKG}-stage2
 		fi
 
-		if [[ -n ${K3PKG} ]] ; then
+		if [[ ${K3PKG} != "[none]" ]] ; then
 			# LPKG may need K3PKG to install everything, so
 			# build it as a dependency first.
 			set_eopts_on_pkg_status ${K3PKG} headers-only
@@ -2009,13 +2011,13 @@ if ! ex_fast ; then
 		USE="${LUSE} ${USE} ${LUSE_DISABLE}" \
 			doemerge ${LPKG}
 
-		if [[ -n ${K2PKG} ]] ; then
+		if [[ ${K2PKG} != "[none]" ]] ; then
 			set_eopts_on_pkg_status ${K2PKG} headers-only
 
 			USE="${KUSE} ${USE} -headers-only" doemerge ${K2PKG} ${K2PKG}-stage2
 		fi
 
-		if [[ -n ${K3PKG} ]] ; then
+		if [[ ${K3PKG} != "[none]" ]] ; then
 			set_eopts_on_pkg_status ${K3PKG} headers-only
 
 			USE="${KUSE} ${USE} -headers-only" doemerge ${K3PKG} ${K3PKG}-stage2