mkosi: Make sure we build kernel headers

Required for building kernel selftests

diff --git a/mkosi.presets/20-final/mkosi.kernel.build b/mkosi.presets/20-final/mkosi.kernel.build
index ed355abd205f221c3cac51f35c7e45463958b93d..c99d365d8b6848aa464ba68d250e7f9ea0240bf2 100755 (executable)
--- a/mkosi.presets/20-final/mkosi.kernel.build
+++ b/mkosi.presets/20-final/mkosi.kernel.build
@@ -19,6 +19,7 @@ if [ -d "$SRCDIR"/mkosi.kernel/ ]; then
 
     # Make sure systemd-boot boots this kernel and not the distro provided one by overriding the version.
     make O="$BUILDDIR" VERSION=99 -j "$(nproc)"
+    make O="$BUILDDIR" VERSION=99 -j "$(nproc)" headers
 
     KERNEL_RELEASE=$(make O="$BUILDDIR" VERSION=99 -s kernelrelease)
     mkdir -p "$DESTDIR/usr/lib/modules/$KERNEL_RELEASE"