%%
%% %CopyrightBegin%
%%
%% Copyright Ericsson AB 1997-2010. All Rights Reserved.
%%
%% The contents of this file are subject to the Erlang Public License,
%% Version 1.1, (the "License"); you may not use this file except in
%% compliance with the License. You should have received a copy of the
%% Erlang Public License along with this software. If not, it can be
%% retrieved online at http://www.erlang.org/.
%%
%% Software distributed under the License is distributed on an "AS IS"
%% basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
%% the License for the specific language governing rights and limitations
%% under the License.
%%
%% %CopyrightEnd%
%%
%%% Purpose : Updates variable list with variables depending on
%%% running Erlang system.
-module(ts_erl_config).
-export([variables/2]).
%% Returns a list of key, value pairs.
variables(Base0, OsType) ->
Base1 = erl_include(Base0),
Base2 = get_app_vars(fun erl_interface/2, Base1, OsType),
Base3 = get_app_vars(fun ic/2, Base2, OsType),
Base4 = get_app_vars(fun jinterface/2, Base3, OsType),
Base5 = dl_vars(Base4, OsType),
Base6 = emu_vars(Base5),
Base7 = get_app_vars(fun ssl/2, Base6, OsType),
Base8 = erts_lib(Base7, OsType),
Base = separators(Base8, OsType),
[{'EMULATOR', tl(code:objfile_extension())},
{emu_threads, atom_to_list(erlang:system_info(threads))},
{type_marker, case is_debug_build() of
true ->
".debug";
false ->
""
end}
| Base].
get_app_vars(AppFun, Vars, OsType) ->
case catch AppFun(Vars,OsType) of
Res when is_list(Res) ->
Res;
{cannot_find_app, App} ->
io:format("* WARNING: Cannot find ~p!~n", [App]),
Vars;
{'EXIT', Reason} ->
exit(Reason);
Garbage ->
exit({unexpected_internal_error, Garbage})
end.
dl_vars(Vars, _) ->
ShlibRules0 = ".SUFFIXES:\n" ++
".SUFFIXES: @dll@ @obj@ .c\n\n" ++
".c@dll@:\n" ++
"\t@CC@ -c @SHLIB_CFLAGS@ $(SHLIB_EXTRA_CFLAGS) -I@erl_include@ @DEFS@ $<\n" ++
"\t@SHLIB_LD@ @CROSSLDFLAGS@ @SHLIB_LDFLAGS@ $(SHLIB_EXTRA_LDFLAGS) -o $@ $*@obj@ @SHLIB_LDLIBS@ $(SHLIB_EXTRA_LDLIBS)",
ShlibRules = ts_lib:subst(ShlibRules0, Vars),
[{'SHLIB_RULES', ShlibRules}|Vars].
erts_lib_name(multi_threaded, {win32, V}) ->
link_library("erts_MD" ++ case is_debug_build() of
true -> "d";
false -> ""
end,
{win32, V});
erts_lib_name(single_threaded, {win32, V}) ->
link_library("erts_ML" ++ case is_debug_build() of
true -> "d";
false -> ""
end,
{win32, V});
erts_lib_name(multi_threaded, OsType) ->
link_library("erts_r", OsType);
erts_lib_name(single_threaded, OsType) ->
link_library("erts", OsType).
erts_lib(Vars,OsType) ->
{ErtsLibInclude,
ErtsLibIncludeGenerated,
ErtsLibIncludeInternal,
ErtsLibIncludeInternalGenerated,
ErtsLibPath,
ErtsLibInternalPath}
= case erl_root(Vars) of
{installed, _Root} ->
Erts = lib_dir(Vars, erts),
ErtsInclude = filename:join([Erts, "include"]),
ErtsIncludeInternal = filename:join([ErtsInclude, "internal"]),
ErtsLib = filename:join([Erts, "lib"]),
ErtsLibInternal = filename:join([ErtsLib, "internal"]),
{ErtsInclude,
ErtsInclude,
ErtsIncludeInternal,
ErtsIncludeInternal,
ErtsLib,
ErtsLibInternal};
{srctree, Root, Target} ->
Erts = filename:join([Root, "erts"]),
ErtsInclude = filename:join([Erts, "include"]),
ErtsIncludeTarget = filename:join([ErtsInclude, Target]),
ErtsIncludeInternal = filename:join([ErtsInclude,
"internal"]),
ErtsIncludeInternalTarget = filename:join([ErtsIncludeInternal,
Target]),
ErtsLib = filename:join([Erts, "lib", Target]),
ErtsLibInternal = filename:join([Erts,
"lib",
"internal",
Target]),
{ErtsInclude,
ErtsIncludeTarget,
ErtsIncludeInternal,
ErtsIncludeInternalTarget,
ErtsLib,
ErtsLibInternal}
end,
[{erts_lib_include,
filename:nativename(ErtsLibInclude)},
{erts_lib_include_generated,
filename:nativename(ErtsLibIncludeGenerated)},
{erts_lib_include_internal,
filename:nativename(ErtsLibIncludeInternal)},
{erts_lib_include_internal_generated,
filename:nativename(ErtsLibIncludeInternalGenerated)},
{erts_lib_path, filename:nativename(ErtsLibPath)},
{erts_lib_internal_path, filename:nativename(ErtsLibInternalPath)},
{erts_lib_multi_threaded, erts_lib_name(multi_threaded, OsType)},
{erts_lib_single_threaded, erts_lib_name(single_threaded, OsType)}
| Vars].
erl_include(Vars) ->
Include =
case erl_root(Vars) of
{installed, Root} ->
filename:join([Root, "usr", "include"]);
{srctree, Root, Target} ->
filename:join([Root, "erts", "emulator", "beam"])
++ " -I" ++ filename:join([Root, "erts", "emulator"])
++ system_include(Root, Vars)
++ " -I" ++ filename:join([Root, "erts", "include"])
++ " -I" ++ filename:join([Root, "erts", "include", Target])
end,
[{erl_include, filename:nativename(Include)}|Vars].
system_include(Root, Vars) ->
SysDir =
case ts_lib:var(os, Vars) of
"Windows" ++ _T -> "sys/win32";
"VxWorks" -> "sys.vxworks";
_ -> "sys/unix"
end,
" -I" ++ filename:nativename(filename:join([Root, "erts", "emulator", SysDir])).
erl_interface(Vars,OsType) ->
{Incl, {LibPath, MkIncl}} =
case lib_dir(Vars, erl_interface) of
{error, bad_name} ->
throw({cannot_find_app, erl_interface});
Dir ->
{filename:join(Dir, "include"),
case erl_root(Vars) of
{installed, _Root} ->
{filename:join(Dir, "lib"),
filename:join(Dir, "src")};
{srctree, _Root, _Target} when OsType =:= vxworks ->
{filename:join(Dir, "lib"),
filename:join([Dir, "src"])};
{srctree, _Root, Target} ->
{filename:join([Dir, "obj", Target]),
filename:join([Dir, "src", Target])}
end}
end,
Lib = link_library("erl_interface",OsType),
Lib1 = link_library("ei",OsType),
{LibDrv, Lib1Drv} =
case erlang:system_info(threads) of
false ->
case OsType of
{unix,_} ->
{link_library("erl_interface_st",OsType),
link_library("ei_st",OsType)};
_ ->
{Lib, Lib1}
end;
true ->
case OsType of
{win32, _} ->
{link_library("erl_interface_md",OsType),
link_library("ei_md",OsType)};
_ ->
{Lib, Lib1}
end
end,
ThreadLib = case OsType of
% FIXME: FreeBSD uses gcc flag '-pthread' or linking with
% "libc_r". So it has to be last of libs. This is an
% temporary solution, should be configured elsewhere.
% This temporary solution have now failed!
% A new temporary solution is installed ...
% {unix,freebsd} -> "-lc_r";
{unix,freebsd} ->
"-lpthread";
{unix,_} ->
"-lpthread";
_ ->
"" % VxWorks
end,
CrossCompile = case OsType of
vxworks -> "true";
_ -> "false"
end,
[{erl_interface_libpath, filename:nativename(LibPath)},
{erl_interface_sock_libs, sock_libraries(OsType)},
{erl_interface_lib, Lib},
{erl_interface_eilib, Lib1},
{erl_interface_lib_drv, LibDrv},
{erl_interface_eilib_drv, Lib1Drv},
{erl_interface_threadlib, ThreadLib},
{erl_interface_include, filename:nativename(Incl)},
{erl_interface_mk_include, filename:nativename(MkIncl)},
{erl_interface_cross_compile, CrossCompile} | Vars].
ic(Vars, OsType) ->
{ClassPath, LibPath, Incl} =
case lib_dir(Vars, ic) of
{error, bad_name} ->
throw({cannot_find_app, ic});
Dir ->
{filename:join([Dir, "priv", "ic.jar"]),
case erl_root(Vars) of
{installed, _Root} ->
filename:join([Dir, "priv", "lib"]);
{srctree, _Root, Target} ->
filename:join([Dir, "priv", "lib", Target])
end,
filename:join(Dir, "include")}
end,
[{ic_classpath, filename:nativename(ClassPath)},
{ic_libpath, filename:nativename(LibPath)},
{ic_lib, link_library("ic", OsType)},
{ic_include_path, filename:nativename(Incl)}|Vars].
jinterface(Vars, _OsType) ->
ClassPath =
case lib_dir(Vars, jinterface) of
{error, bad_name} ->
throw({cannot_find_app, jinterface});
Dir ->
filename:join([Dir, "priv", "OtpErlang.jar"])
end,
[{jinterface_classpath, filename:nativename(ClassPath)}|Vars].
lib_dir(Vars, Lib) ->
LibLibDir = case Lib of
erts ->
filename:join([code:root_dir(),
"erts-" ++ erlang:system_info(version)]);
_ ->
code:lib_dir(Lib)
end,
case {get_var(crossroot, Vars), LibLibDir} of
{{error, _}, _} -> %no crossroot
LibLibDir;
{_, {error, _}} -> %no lib
LibLibDir;
{CrossRoot, _} ->
%% XXX: Ugly. So ugly I won't comment it
%% /Patrik
CLibDirList = case Lib of
erts ->
[CrossRoot, "erts"];
_ ->
[CrossRoot, "lib", atom_to_list(Lib)]
end,
CLibDir = filename:join(CLibDirList),
Cmd = "ls -d " ++ CLibDir ++ "*",
XLibDir = lists:last(string:tokens(os:cmd(Cmd),"\n")),
case file:list_dir(XLibDir) of
{error, enoent} ->
[];
_ ->
XLibDir
end
end.
erl_root(Vars) ->
Root = code:root_dir(),
case ts_lib:erlang_type() of
{srctree, _Version} ->
Target = get_var(target, Vars),
{srctree, Root, Target};
{_, _Version} ->
case get_var(crossroot,Vars) of
{error, notfound} ->
{installed, Root};
CrossRoot ->
{installed, CrossRoot}
end
end.
get_var(Key, Vars) ->
case lists:keysearch(Key, 1, Vars) of
{value, {Key, Value}} ->
Value;
_ ->
{error, notfound}
end.
sock_libraries({win32, _}) ->
"ws2_32.lib";
sock_libraries({unix, _}) ->
""; % Included in general libraries if needed.
sock_libraries(vxworks) ->
"".
link_library(LibName,{win32, _}) ->
LibName ++ ".lib";
link_library(LibName,{unix, _}) ->
"lib" ++ LibName ++ ".a";
link_library(LibName,vxworks) ->
"lib" ++ LibName ++ ".a";
link_library(_LibName,_Other) ->
exit({link_library, not_supported}).
%% Returns emulator specific variables.
emu_vars(Vars) ->
[{is_source_build, is_source_build()},
{erl_name, atom_to_list(lib:progname())}|Vars].
is_source_build() ->
string:str(erlang:system_info(system_version), "[source]") > 0.
is_debug_build() ->
case catch string:str(erlang:system_info(system_version), "debug") of
Int when is_integer(Int), Int > 0 ->
true;
_ ->
false
end.
%%
%% ssl_libdir
%%
ssl(Vars, _OsType) ->
case lib_dir(Vars, ssl) of
{error, bad_name} ->
throw({cannot_find_app, ssl});
Dir ->
[{ssl_libdir, filename:nativename(Dir)}| Vars]
end.
separators(Vars, {win32,_}) ->
[{'DS',"\\"},{'PS',";"}|Vars];
separators(Vars, _) ->
[{'DS',"/"},{'PS',":"}|Vars].
