Index: src/Makefile.am
===================================================================
--- src/Makefile.am	(revision 6d9aa7989fd14486da164e5e2bf757e49c2096cb)
+++ src/Makefile.am	(revision e542b022d671c829add209f1759232750a12ff1e)
@@ -65,5 +65,5 @@
 ___driver_cfa_cpp_SOURCES = $(SRC)
 ___driver_cfa_cpp_LDADD = -ldl $(LIBPROFILER) $(LIBTCMALLOC)
-EXTRA_DIST = include/cassert include/optional BasicTypes-gen.cc
+EXTRA_DIST = include/cassert include/optional BasicTypes-gen.cpp
 
 AM_CXXFLAGS = @HOST_FLAGS@ -Wno-deprecated -Wall -Wextra -Werror=return-type -DDEBUG_ALL -I./Parser -I$(srcdir)/Parser -I$(srcdir)/include -DYY_NO_INPUT -O3 -g -std=c++17 $(TCMALLOCFLAG)