Build environment.
Build environments control tool lookup and the environment of tool spawns.
type tool_lookup = B00_std.Cmd.tool -> (B00_std.Fpath.t, string) resultThe type for tool lookups. Given a command line tool specification returns a file path to the tool executable or an error message mentioning the tool if it cannot be found.
val env_tool_lookup :
?sep:string ->
?var:string ->
B00_std.Os.Env.t ->
tool_lookupenv_tool_lookup ~sep ~var env is a tool lookup that gets the value of the var variable in env treats it as a sep separated search path and uses the result to lookup with B00_std.Os.Cmd.must_find. var defaults to PATH and sep to B00_std.Fpath.search_path_sep.
val v :
?lookup:tool_lookup ->
?forced_env:B00_std.Os.Env.t ->
B00_std.Os.Env.t ->
tv ~lookup ~forced_env env is a build environment with:
lookup used to find build tools. Defaults to env_tool_lookup env.forced_env is environment forced on any tool despite what it declared to access, defaults to Os.Env.emptyenv the environment read by the tools' declared environment variables.val env : t -> B00_std.Os.Env.tenv e is e's available spawn environment.
val forced_env : t -> B00_std.Os.Env.tforced_env e is e's forced spawn environment.
val tool : t -> B00_std.Cmd.tool -> (B00_std.Fpath.t, string) resulttool e t looks up tool t in e.