forked from RefactoringTools/wrangler
-
Notifications
You must be signed in to change notification settings - Fork 0
/
aclocal.m4
85 lines (68 loc) · 2.26 KB
/
aclocal.m4
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
AC_DEFUN(AM_WITH_ERLANG,
[ AC_ARG_WITH(erlang,
[AC_HELP_STRING([--with-erlang=PREFIX], [path to erlc and erl])])
AC_PATH_TOOL(ERLC, erlc, , $with_erlang:$with_erlang/bin:$PATH)
AC_PATH_TOOL(ERL, erl, , $with_erlang:$with_erlang/bin:$PATH)
if test "z$ERLC" = "z" || test "z$ERL" = "z"; then
AC_MSG_ERROR([erlang not found])
fi
cat >>conftest.erl <<_EOF
-module(conftest).
-author('[email protected]').
-export([[start/0]]).
start() ->
EIDirS = code:lib_dir("erl_interface") ++ "\n",
EILibS = libpath("erl_interface") ++ "\n",
RootDirS = code:root_dir() ++ "\n",
file:write_file("conftest.out", list_to_binary(EIDirS ++ EILibS ++ RootDirS)),
halt().
%% return physical architecture based on OS/Processor
archname() ->
ArchStr = erlang:system_info(system_architecture),
case os:type() of
{win32, _} -> "windows";
{unix,UnixName} ->
Specs = string:tokens(ArchStr,"-"),
Cpu = case lists:nth(2,Specs) of
"pc" -> "x86";
_ -> hd(Specs)
end,
atom_to_list(UnixName) ++ "-" ++ Cpu;
_ -> "generic"
end.
%% Return arch-based library path or a default value if this directory
%% does not exist
libpath(App) ->
PrivDir = code:priv_dir(App),
ArchDir = archname(),
LibArchDir = filename:join([[PrivDir,"lib",ArchDir]]),
case file:list_dir(LibArchDir) of
%% Arch lib dir exists: We use it
{ok, _List} -> LibArchDir;
%% Arch lib dir does not exist: Return the default value
%% ({error, enoent}):
_Error -> code:lib_dir("erl_interface") ++ "/lib"
end.
_EOF
if ! $ERLC conftest.erl; then
AC_MSG_ERROR([could not compile sample program])
fi
if ! $ERL -s conftest -noshell; then
AC_MSG_ERROR([could not run sample program])
fi
if ! test -f conftest.out; then
AC_MSG_ERROR([erlang program was not properly executed, (conftest.out was not produced)])
fi
# First line
ERLANG_EI_DIR=`cat conftest.out | head -n 1`
# Second line
ERLANG_EI_LIB=`cat conftest.out | head -n 2 | tail -n 1`
# End line
ERLANG_DIR=`cat conftest.out | tail -n 1`
ERL_CFLAGS="-I$ERLANG_EI_DIR/include -I$ERLANG_DIR/usr/include"
ERL_LIB="-L$ERLANG_EI_LIB -lerl_interface -lei"
AC_SUBST(ERL_CFLAGS)
AC_SUBST(ERL_LIB)
AC_SUBST(ERLC)
AC_SUBST(ERL)
])