diff -up nco-4.6.2/src/nco/Makefile.in.install_C_headers nco-4.6.2/src/nco/Makefile.in
--- nco-4.6.2/src/nco/Makefile.in.install_C_headers 2016-11-16 10:01:08.000000000 -0700
+++ nco-4.6.2/src/nco/Makefile.in 2016-11-16 21:40:00.542048653 -0700
@@ -767,7 +767,7 @@ libnco_la_LDFLAGS = -release @VERSION@
# To my knowledge, though, only NCO programs use libnco
# For this reason Debian packages should not (yet) install NCO headers
# Remove following line until learn how to prevent Debian from installing headers
-#include_HEADERS = $(HEADER_SRC)
+include_HEADERS = $(HEADER_SRC)
libnco_la_SOURCES = \
${HEADER_SRC} \
${NCO_GETOPT_C} \