Fix build processes for dbgr and its dependencies

recipes/dbgr.rcp

@@ -4,6 +4,14 @@
        :depends (test-unit load-relative loc-changes)
        :type github
        :pkgname "rocky/emacs-dbgr"
-       :build ("./autogen.sh" "./configure" "make")
+       :build
+       (let ((load-path-env (mapconcat 'identity load-path ":")))
+         (mapcar
+          (lambda (command)
+            (list "sh" "-c"
+                  (format "EMACSLOADPATH=%s %s"
+                          (shell-quote-argument load-path-env)
+                          (shell-quote-argument command))))
+          '("./autogen.sh" "./configure" "make")))
        :features (loc-changes load-relative test-unit)
        )

recipes/load-relative.rcp

@@ -2,5 +2,5 @@
        :description "Relative file load (within a multi-file Emacs package)"
        :type github
        :pkgname "rocky/emacs-load-relative"
-       :build ("./configure" "make")
+       :build ("./autogen.sh" "./configure" "make")
        )

recipes/test-unit.rcp

@@ -2,5 +2,5 @@
        :description "Unit Test Framework for Emacs Lisp"
        :type github
        :pkgname "rocky/emacs-test-unit"
-       :build ("./configure" "make")
+       :build ("./autogen.sh" "./configure" "make")
        )