genpatches will soon be adding optional CTF debug information support
via a patch. If it's enabled, we need to call a few special make targets
to create and install the CTF information. We also need to avoid stripping
the CTF archive.

Signed-off-by: Sam James <sam@gentoo.org>
---
eclass/kernel-build.eclass | 13 ++++++++++++-
1 file changed, 12 insertions(+), 1 deletion(-)

diff --git a/eclass/kernel-build.eclass b/eclass/kernel-build.eclass
index 10fd0cca2cc5..1fc86c4a2208 100644
--- a/eclass/kernel-build.eclass
+++ b/eclass/kernel-build.eclass
@@ -296,7 +296,13 @@ kernel-build_src_configure() {
kernel-build_src_compile() {
debug-print-function ${FUNCNAME} "${@}"

- emake O="${WORKDIR}"/build "${MAKEARGS[@]}" all
+ local targets=( all )
+
+ if grep -q "CONFIG_CTF=y" "${WORKDIR}/modprep/.config"; then
+ targets+=( ctf )
+ fi
+
+ emake O="${WORKDIR}"/build "${MAKEARGS[@]}" "${targets[@]}"
}

# @FUNCTION: kernel-build_src_test
@@ -337,6 +343,10 @@ kernel-build_src_install() {
targets+=( dtbs_install )
fi

+ if grep -q "CONFIG_CTF=y" "${WORKDIR}/modprep/.config"; then
+ targets+=( ctf_install )
+ fi
+
# Use the kernel build system to strip, this ensures the modules
# are stripped *before* they are signed or compressed.
local strip_a