Packages

erlexec

1.1.3
2.3.4 2.3.3 retired 2.3.2 retired 2.3.1 retired 2.3.0 retired 2.2.4 retired 2.2.3 retired 2.2.2 retired 2.2.1 retired 2.2.0 retired 2.0.8 retired 2.0.7 retired 2.0.6 retired 2.0.5 retired 2.0.4 retired 2.0.3 retired 2.0.2 retired 2.0.1 retired 2.0.0 retired 1.21.0 retired 1.20.1 retired 1.20.0 retired 1.19.1 retired 1.19.0 1.18.11 1.18.8 1.18.7 1.18.6 1.18.5 1.18.4 1.18.3 1.18.2 1.18.1 1.17.6 1.17.5 1.17.3 1.16.4 1.10.9 1.10.4 1.10.2 1.10.1 1.10.0 1.9.5 1.9.4 1.9.3 1.9.2 1.9.1 1.9.0 1.7.5 1.7.4 1.7.3 1.7.2 1.7.1 1.7.0 1.6.4 1.6.3 1.6.2 1.6.1 1.6.0 1.4.0 1.3.0 1.2.2 1.2.1 1.1.3 1.1.2 1.1.1 1.1.0 1.0.1 retired

OS Process Manager

HexDocs

Current section

Files

Jump to
Readme
68 Versions
0 Dependencies
Dependants
Files
Activity
erlexec rebar.config.script
Raw

rebar.config.script 

%% For cross building using erlang:system_info() does not work as rebar runs

%% using the build hosts Erlang runtime.

%% If CXX envrionment variable is defined we are most likely running in a cross environment.

{CXX,Target,Sysroot} = case os:getenv("CXX") of

    false -> {"g++",erlang:system_info(system_architecture),""};

    Compiler -> {Compiler,string:strip(os:cmd(Compiler ++ " -dumpmachine"), right, $\n),string:strip(os:cmd(Compiler ++ " -print-sysroot"), right, $\n)}

end,



%% Commonly on Linux, compilers report the target triplet as <arch>-<vendor>-linux,

%% however, Erlang runtime reports and expects it as <arch>-<vendor>-linux-gnu.

%% Fix by appending "-gnu".

Mach = case string:str(Target,"linux") of

    0 -> Target;

    _ -> case string:words(Target,$-) of

        4 -> Target;

        _ -> Target ++ "-gnu"

        end

    end,



Vsn  = string:strip(os:cmd("git describe --always --tags --abbrev=0 | sed 's/^v//'"), right, $\n),



%% Check for Linux capability API (Install package: libcap-devel).

{LinCXX, LinLD} =

    case file:read_file_info(Sysroot ++ "/usr/include/sys/capability.h") of

    {ok, _} ->

        %io:put_chars("INFO:  Detected support of linux capabilities.\n"),

        {" -DHAVE_CAP", " -lcap"};

    _ ->

        {"", ""}

    end,



X64 = case Mach of

    "x86_64" ++ _E -> " -m64";

    _              -> ""

    end,



% Replace configuration options read from rebar.config with those dynamically set below

lists:keymerge(1,

    lists:keysort(1, [

        {port_env,  [{"solaris", "CXXFLAGS", "$CXXFLAGS -DHAVE_SETREUID -DHAVE_PTRACE" ++ X64},

                     {"solaris", "LDFLAGS",  "$LDFLAGS -lrt" ++ X64},



                     {"darwin",  "CXXFLAGS", "$CXXFLAGS -DHAVE_SETREUID -DHAVE_PTRACE" ++ X64},

                     {"darwin",  "LDFLAGS", "$LDFLAGS" ++ X64},



                     {"linux", "CXXFLAGS", "$CXXFLAGS -DHAVE_SETRESUID -DHAVE_PTRACE" ++ LinCXX},

                     {"linux", "LDFLAGS", "$LDFLAGS" ++ LinLD},



                     {"CC",  CXX},

                     {"CXX", CXX},

                     {"CXXFLAGS", "$CXXFLAGS -O0"}

                    ]},



        {port_specs,[{filename:join(["priv", Mach, "exec-port"]), ["c_src/*.cpp"]}]},

        {edoc_opts, [{overview,     "src/overview.edoc"},

                     {title,        "The exec application"},

                     {includes,     ["include"]},

                     {def,          {vsn, Vsn}},

                     {stylesheet_file, "src/edoc.css"},

                     {app_default,  "http://www.erlang.org/doc/man"}]}

    ]),

    lists:keysort(1, CONFIG)).