Generate /etc/ld.so.cache for image

Shaves a trivial, but measurable, amount of time off of early userspace
at the cost of a small cache file.

Signed-off-by: Dave Reisner <dreisner@archlinux.org>

2 files changed, 6 insertions, 0 deletions

diff --git a/functions b/functions
index 8a4e3be..532884f 100644
--- a/functions
+++ b/functions
@@ -658,6 +658,9 @@ initialize_buildroot() {
     # indicate that this is an initramfs
     >"$workdir/root/etc/initrd-release"
 
+    # add a blank ld.so.conf to keep ldconfig happy
+    >"$workdir/root/etc/ld.so.conf"
+
     printf '%s' "$workdir"
 }
 
diff --git a/mkinitcpio b/mkinitcpio
index 6e03635..0ae6913 100755
--- a/mkinitcpio
+++ b/mkinitcpio
@@ -482,6 +482,9 @@ set +o functrace
 set +o errtrace
 trap -- ERR
 
+# this is simply a nice-to-have -- it doesn't matter if it fails.
+ldconfig -r "$BUILDROOT" &>/dev/null
+
 if [[ $_optgenimg ]]; then
     build_image "$_optgenimg" "$_optcompress"
 else