=> Bootstrap dependency digest>=20211023: found digest-20220214
===> Building for vcf-0.0.5
cc -c -fPIC -o vcf.o vcf.so.c
cc -c -fPIC -o vcf_cv_in.o vcf.so.c -DWITH_CV_IN
gcc -shared -o vcf.so vcf.o -lm
gcc -shared -o vcf_cv_in.so vcf_cv_in.o -lm