1 files changed, 89 insertions, 0 deletions
diff --git a/js/sub.configure b/js/sub.configure
new file mode 100644
index 0000000000..a331a9356b
--- /dev/null
+++ b/js/sub.configure
@@ -0,0 +1,89 @@
+# -*- Mode: python; indent-tabs-mode: nil; tab-width: 40 -*-
+# vim: set filetype=python:
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+
+@depends(build_environment)
+@imports("logging")
+@imports(_from="__builtin__", _import="object")
+@imports(_from="mozbuild.configure.util", _import="ConfigureOutputHandler")
+def old_js_configure(build_env):
+    class PrefixOutput(object):
+        def __init__(self, prefix, fh):
+            self._fh = fh
+            self._begin_line = True
+            self._prefix = prefix
+
+        def write(self, content):
+            if self._begin_line:
+                self._fh.write(self._prefix)
+            self._fh.write(("\n" + self._prefix).join(content.splitlines()))
+            self._begin_line = content.endswith("\n")
+            if self._begin_line:
+                self._fh.write("\n")
+
+        def flush(self):
+            self._fh.flush()
+
+    logger = logging.getLogger("moz.configure")
+    formatter = logging.Formatter("js/src> %(levelname)s: %(message)s")
+    for handler in logger.handlers:
+        handler.setFormatter(formatter)
+        if isinstance(handler, ConfigureOutputHandler):
+            handler._stdout = PrefixOutput("js/src> ", handler._stdout)
+    return os.path.join(build_env.topsrcdir, "js", "src", "old-configure")
+
+
+@depends(old_configure.substs, mozconfig)
+def old_js_configure_env(substs, mozconfig):
+    substs = dict(substs)
+    # Here, we mimic what we used to do from old-configure, which makes this
+    # all awkward.
+
+    # Variables that were explicitly exported from old-configure, and those
+    # explicitly set in the environment when invoking old-configure, were
+    # automatically inherited from subconfigure. We assume the relevant ones
+    # have a corresponding AC_SUBST in old-configure, making them available
+    # in `substs`.
+    extra_env = {}
+
+    for var in (
+        "MOZ_DEV_EDITION",
+        "STLPORT_LIBS",
+    ):
+        if var in substs:
+            value = substs[var]
+        elif (
+            mozconfig
+            and var in mozconfig
+            and not mozconfig[var][1].startswith("removed")
+        ):
+            value = mozconfig[var][0]
+        else:
+            continue
+        if isinstance(value, list):
+            value = " ".join(value)
+        extra_env[var] = value
+
+    return extra_env
+
+
+old_js_configure = old_configure_for(old_js_configure, extra_env=old_js_configure_env)
+set_config("OLD_JS_CONFIGURE_SUBSTS", old_js_configure.substs)
+set_config("OLD_JS_CONFIGURE_DEFINES", old_js_configure.defines)
+
+
+@dependable
+@imports("logging")
+@imports(_from="mozbuild.configure.util", _import="ConfigureOutputHandler")
+def post_old_js_configure():
+    # Restore unprefixed logging.
+    formatter = logging.Formatter("%(levelname)s: %(message)s")
+    logger = logging.getLogger("moz.configure")
+    for handler in logger.handlers:
+        handler.setFormatter(formatter)
+        if isinstance(handler, ConfigureOutputHandler):
+            handler._stdout.flush()
+            handler._stdout = handler._stdout._fh