我找到了许多关于如何.o
使用ocamlbuild
. 但是,这些不适用于ocamlbuild
不能开箱即用的 C++ 文件。
我尝试编写一个myocamlbuild.ml
文件(在请求后如下所示),提供一个规则 from .cpp
to.o
并且失败并ocamlc
抱怨它不知道如何处理.cpp
文件(即使编译器g++
通过命令行标志设置为)。
open Ocamlbuild_plugin ;;
let ext_obj = !Options.ext_obj;;
let x_o = "%"-.-ext_obj;;
rule "ocaml C++ stubs: cpp -> o"
~prod:x_o
~dep:"%.cpp"
begin fun env _build ->
let c = env "%.cpp" in
let o = env x_o in
let comp =
if Tags.mem "native" (tags_of_pathname c) then !Options.ocamlopt else !Options.ocamlc in
let cc =
Cmd(S[comp; T(tags_of_pathname c++"c"++"compile"); A"-custom"; A"-cc"; A"g++"; A"-c"; Px c]) in
if Pathname.dirname o = Pathname.current_dir_name then cc
else Seq[cc; mv (Pathname.basename o) o]
end;;
该文件libsoundness.clib
由一堆文件组成.o
。
当我这样做时,ocamlbuild libsoundness.a
我得到以下输出:
Finished, 0 targets (0 cached) in 00:00:00.
+ /usr/bin/ocamlc.opt -custom -cc g++ -c src/soundness/proof_aut.cpp
/usr/bin/ocamlc.opt: don't know what to do with src/soundness/proof_aut.cpp.
Usage: ocamlc <options> <files>
<snipped long list of ocamlc options>
C++ 的唯一其他解决方案似乎是ocamlbuild-ctools
其网站已失效(我无法下载任何资源)。
有任何想法吗?