alt_build_headers already has EPREFIX.
-# Copyright 1999-2017 Gentoo Foundation
+# Copyright 1999-2018 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# @ECLASS: toolchain-glibc.eclass
get_kheader_version() {
printf '#include <linux/version.h>\nLINUX_VERSION_CODE\n' | \
- $(tc-getCPP ${CTARGET}) -I "${EPREFIX}/$(alt_build_headers)" - | \
+ $(tc-getCPP ${CTARGET}) -I "$(alt_build_headers)" - | \
tail -n 1
}