SUBDIRS = images .
DOC_FILES = encoding.html
+DOC_FILES_PREFIXED := $(addprefix $(srcdir)/, $(DOC_FILES))
ALL_HTML_FILES := $(wildcard $(srcdir)/*.html)
-GENERATED_DOC_FILES = $(filter-out $(DOC_FILES), $(ALL_HTML_FILES))
+GENERATED_DOC_FILES := $(filter-out $(DOC_FILES_PREFIXED), $(ALL_HTML_FILES))
GENERATED_EXTRA_FILES = doxygen.css doxygen.png
EXTRA_DIST = $(ALL_HTML_FILES) $(GENERATED_EXTRA_FILES)