-TEX_FILES = $(wildcard *.tex) texinfo.cnf
-EXTRA_DIST_FILES = $(TEX_FILES)
-STEPMAKE_TEMPLATES=install install-out
+TEX_FILES = $(filter-out texinfo.tex, $(call src-wildcard,*.tex))
+EXTRA_DIST_FILES = $(TEX_FILES) texinfo.tex
+STEPMAKE_TEMPLATES = install install-out