deb-pkg: Inhibit initramfs builders if CONFIG_BLK_DEV_INITRD is not set

[linux-drm-fsl-dcu.git] / scripts / package / builddeb

diff --git a/scripts/package/builddeb b/scripts/package/builddeb
index 90e521fde35fa827cf5008838024ef1bf1d03a88..65014e1495bf1751beef070887d53ed3d2a0f4cb 100644 (file)
--- a/scripts/package/builddeb
+++ b/scripts/package/builddeb
@@ -172,8 +172,15 @@ fi
 
 # Install the maintainer scripts
 # Note: hook scripts under /etc/kernel are also executed by official Debian
-# kernel packages, as well as kernel packages built using make-kpkg
+# kernel packages, as well as kernel packages built using make-kpkg.
+# make-kpkg sets $INITRD to indicate whether an initramfs is wanted, and
+# so do we; recent versions of dracut and initramfs-tools will obey this.
 debhookdir=${KDEB_HOOKDIR:-/etc/kernel}
+if grep -q '^CONFIG_BLK_DEV_INITRD=y' $KCONFIG_CONFIG; then
+       want_initrd=Yes
+else
+       want_initrd=No
+fi
 for script in postinst postrm preinst prerm ; do
        mkdir -p "$tmpdir$debhookdir/$script.d"
        cat <<EOF > "$tmpdir/DEBIAN/$script"
@@ -184,6 +191,9 @@ set -e
 # Pass maintainer script parameters to hook scripts
 export DEB_MAINT_PARAMS="\$*"
 
+# Tell initramfs builder whether it's wanted
+export INITRD=$want_initrd
+
 test -d $debhookdir/$script.d && run-parts --arg="$version" --arg="/$installed_image_path" $debhookdir/$script.d
 exit 0
 EOF