Switch to rebar build tool

Use dynamic Rebar configuration
Make iconv dependency optional
Disable transient_supervisors compile option
Add hipe compilation support
Only compile ibrowse and lhttpc when needed
Make it possible to generate an OTP application release
Add --enable-debug compile option
Add --enable-all compiler option
Add --enable-tools configure option
Add --with-erlang configure option.
Add --enable-erlang-version-check configure option.
Add lager support
Improve the test suite

1 files changed, 82 insertions, 0 deletions

diff --git a/m4/erlang-extra.m4 b/m4/erlang-extra.m4
new file mode 100644
index 000000000..c0716323e
--- /dev/null
+++ b/m4/erlang-extra.m4
@@ -0,0 +1,82 @@
+dnl erlang-extra.m4
+
+AC_DEFUN([ERLANG_SUBST_LIB_VER],
+[AC_ERLANG_CHECK_LIB([$1])
+ERLANG_LIB_VER_SUBST="$ERLANG_LIB_VER_SUBST -e 's,[@]ERLANG_LIB_VER_$1[@],\$(ERLANG_LIB_VER_$1),g'"
+AC_SUBST([ERLANG_LIB_VER_SUBST])
+]) # ERLANG_SUBST_LIB_VER
+
+AC_DEFUN([ERLANG_VERSION_CHECK],
+[		AC_MSG_CHECKING([Erlang/OTP version])
+		cat > conftest.erl <<EOF
+-module(conftest).
+-export([[start/0]]).
+
+start() ->
+    ERTS = erlang:system_info(version),
+    RequiredMin = "$1",
+    RequiredMax = "$2",
+    Status =
+        case {string:tokens(RequiredMin, " "),
+              string:tokens(RequiredMax, " ")} of
+	    {[[MinStr | _]], [[MaxStr | _]]} ->
+                case check(ERTS, {MinStr, MaxStr}) of
+                    less ->
+                         list_to_binary([[ERTS, " found, ", RequiredMin, " required"]]);
+                    greater ->
+                         list_to_binary([[ERTS, " found, ", RequiredMax, " or earlier required"]]);
+                    ok ->
+	                 <<"ok">>
+                end;
+	    _ ->
+	        list_to_binary([[ERTS, " found, ", RequiredMin, " required"]])
+	end,
+    file:write_file("conftest.out", Status),
+    halt().
+
+check(CurStr, {MinStr, MaxStr}) ->
+    Cur = parse(CurStr),
+    Min = parse(MinStr),
+    Max = parse(MaxStr),
+    case {less_or_equal(Min, Cur), less_or_equal(Cur, Max)} of
+        {false, true} -> less;
+        {true, true} -> ok;
+        {true, false} -> greater
+    end.
+
+parse(Version) ->
+    lists:map(fun(A) -> {Int,[[]]} = string:to_integer(A), Int end,
+              string:tokens(Version, ".")).
+
+less_or_equal([[]], [[]]) ->
+    true;
+less_or_equal([[Left| Rl]], [[Right| Rr]]) ->
+    case {Left < Right, Left == Right} of
+        {true, _}  ->
+            true;
+        {false, false} ->
+            false;
+        {false, true} ->
+            less_or_equal(Rl, Rr)
+    end.
+
+EOF
+
+	$ERLC conftest.erl || AC_MSG_ERROR(["Could not compile Erlang/OTP version check program using '$ERLC'"])
+
+	if ! $ERL -s conftest -noshell -o ! -f conftest.out ; then
+	   AC_MSG_ERROR(["Could not run Erlang/OTP version check program using '$ERL'"])
+	fi
+
+	if test "x`cat conftest.out`" != "xok"; then
+	   AC_MSG_RESULT([failed])
+	   X="`cat conftest.out`"
+	   if test "[$3]" == "warn"; then
+	      AC_MSG_WARN([$X])
+	   else
+	      AC_MSG_FAILURE([$X])
+	   fi
+	else
+	   AC_MSG_RESULT([ok])
+	fi
+]) dnl ERLANG_VERSION_CHECK