diff --git a/kiss b/kiss
index 5700f0e..04494bd 100755
--- a/kiss
+++ b/kiss
@@ -89,10 +89,10 @@ run_user_hook() {
         # their own hook to override this behavior.
         -post-build)
             rm -rf \
-                "$3/usr/share/gettext" \
-                "$3/usr/share/polkit-1" \
-                "$3/usr/share/locale" \
-                "$3/usr/share/info"
+                "$3/$KISS_PREFIX/$KISS_DATADIR/gettext" \
+                "$3/$KISS_PREFIX/$KISS_DATADIR/polkit-1" \
+                "$3/$KISS_PREFIX/$KISS_DATADIR/locale" \
+                "$3/$KISS_PREFIX/$KISS_DATADIR/info"
         ;;
 
         [!-]*)
@@ -149,18 +149,18 @@ sh256() {
 }
 
 pkg_owner() {
-    pkg_owner=$(
-        set +f
+    set +f
 
-        [ "$3" ] ||
-            set -- "$1" "$2" "$sys_db/"*/manifest
+    [ "$3" ] ||
+        set -- "$1" "$2" "$sys_db"/*/manifest
 
-        grep "$@"
+    pkg_owner=$(grep "$@")
+    pkg_owner=${pkg_owner%/*}
+    pkg_owner=${pkg_owner##*/}
 
-    ) && {
-        pkg_owner=${pkg_owner%/*}
-        pkg_owner=${pkg_owner##*/}
-    }
+    set -f
+
+    [ "$pkg_owner" ]
 }
 
 pkg_lint() {
@@ -505,11 +505,12 @@ pkg_fix_deps() {
                         ;;
 
                         *)
-                              pkg_owner -l "/${line#/}\$" manifest ||
-                            ! pkg_owner -l "/${line#/}\$" "$@" &&
+                            # Skip file if owned by current package
+                            pkg_owner -l "/${line#/}\$" "$PWD/manifest" &&
                                 continue
 
-                            printf '%s\n' "$pkg_owner"
+                            pkg_owner -l "/${line#/}\$" "$@" &&
+                                printf '%s\n' "$pkg_owner"
                         ;;
                     esac
                 ;;
@@ -523,7 +524,11 @@ pkg_fix_deps() {
 
     mv -f "$tmp_dir/.fixdeps" depends
 
-    [ -s depends ] || rm -f depends
+    if [ -s depends ]; then
+        pkg_manifest "${PWD##*/}"
+    else
+        rm -f depends
+    fi
 }
 
 pkg_manifest() (
@@ -693,10 +698,13 @@ pkg_build() {
         # Remove all .la files from the packages. They're unneeded and cause
         # issues when a package stops providing one. This recently caused an
         # issue with harfbuzz (See: 05096e5a4dc6db5d202342f538d067d87ae7135e).
-        find "$pkg_dir/$pkg/usr/lib" -name \*.la -exec rm -f {} + 2>/dev/null ||:
+        find "$pkg_dir/$pkg/$KISS_PREFIX/$KISS_LIBDIR" \
+            -name \*.la \
+            -exec rm -f {} + \
+            2>/dev/null ||:
 
         # Endless source of conflicts.
-        rm -f "$pkg_dir/$pkg/usr/lib/charset.alias"
+        rm -f "$pkg_dir/$pkg/$KISS_PREFIX/$KISS_LIBDIR/charset.alias"
 
         # Create the manifest file early and make it empty. This ensures that
         # the manifest is added to the manifest.
@@ -707,8 +715,8 @@ pkg_build() {
             : > "$pkg_dir/$pkg/$pkg_db/$pkg/etcsums"
 
         pkg_strip    "$pkg"
-        pkg_fix_deps "$pkg"
         pkg_manifest "$pkg"
+        pkg_fix_deps "$pkg"
         pkg_etcsums  "$pkg"
         pkg_tar      "$pkg"
 
@@ -1497,6 +1505,11 @@ main() {
     # Globally disable globbing and enable exit-on-error.
     set -ef
 
+    # Set the default values of system directories.
+    export KISS_PREFIX=${KISS_PREFIX:-/usr}
+    export KISS_LIBDIR=${KISS_LIBDIR:-/lib}
+    export KISS_DATADIR=${KISS_DATADIR:-/share}
+
     # Allow the user to disable colors in output via an environment variable.
     # Check this once so as to not slow down printing.
     [ "$KISS_COLOR" = 0 ] || {