=> Bootstrap dependency digest>=20010302: found digest-20190127
===> Building for ocaml-num-1.1nb3
/usr/pkg/bin/gmake -C src all
gmake[1]: Entering directory '/tmp/pkgbuild/math/ocaml-num/work.alpha/num-1.1/src'
ocamlc -ccopt -DBNG_ARCH_generic -c bng.c
PKGSRC-WARNING: Something is trying to run the c compiler,
PKGSRC-WARNING: but it is not added to USE_LANGUAGES in the package Makefile.
gmake[1]: *** [Makefile:71: bng.o] Error 2
gmake[1]: Leaving directory '/tmp/pkgbuild/math/ocaml-num/work.alpha/num-1.1/src'
gmake: *** [Makefile:2: all] Error 2
*** Error code 2

Stop.
make[1]: stopped in /usr/pkgsrc/math/ocaml-num
WARNING: *** Please consider adding c to USE_LANGUAGES in the package Makefile.
*** Error code 1

Stop.
make: stopped in /usr/pkgsrc/math/ocaml-num