``` $ pkg-config --modversion libgit2 0.28.1 ``` ``` $ go build # .../src/gopkg.in/libgit2/git2go.v27 ./git_dynamic.go:10:3: error: "Invalid libgit2 version; this git2go supports libgit2 v0.27" # error "Invalid libgit2 version; this git2go supports libgit2 v0.27" ^ 1 error generated. ```