Bug 1417309 - Add the necessary bits to support a --enable-project=memory option. r=nalexander

The option allows to iterate on the allocator code without requiring a
complete setup to build Firefox.

build/moz.configure/memory.configure

@@ -64,6 +64,8 @@ def replace_malloc(value, jemalloc, milestone, build_project):
         die('--enable-replace-malloc requires --enable-jemalloc')
     if value.origin != 'default':
         return bool(value) or None
+    if build_project == 'memory':
+        return True
     if milestone.is_nightly and jemalloc and build_project != 'js':
         return True
 

memory/app.mozbuild

+# -*- Mode: python; c-basic-offset: 4; 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/.
+
+# Indirectly necessary for chromium's lock.h, included from LogAlloc.cpp
+EXPORTS.mozilla += [
+    '/mozglue/misc/Printf.h',
+    '/xpcom/base/Logging.h',
+]
+
+DIRS += [
+    '/memory',
+]

memory/build/moz.build

@@ -43,7 +43,8 @@ if CONFIG['OS_TARGET'] == 'Android' and CONFIG['CC_TYPE'] == 'clang':
         '-Wno-tautological-pointer-compare',
     ]
 
-FINAL_LIBRARY = 'mozglue'
+if CONFIG['MOZ_BUILD_APP'] != 'memory':
+    FINAL_LIBRARY = 'mozglue'
 
 if CONFIG['_MSC_VER']:
     CXXFLAGS += ['-wd4273'] # inconsistent dll linkage (bug 558163)

memory/moz.build

@@ -9,10 +9,15 @@ with Files("**"):
 
 DIRS += [
     'build',
-    'mozalloc',
     'fallible',
 ]
 
+# For now, don't build mozalloc when building with --enable-project=memory
+if CONFIG['MOZ_BUILD_APP'] != 'memory':
+    DIRS += [
+        'mozalloc',
+    ]
+
 if CONFIG['MOZ_WIDGET_TOOLKIT']:
     DIRS += ['volatile']
 

memory/moz.configure

+# -*- Mode: python; c-basic-offset: 4; 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/.
+
+imply_option('--enable-jemalloc', True)

moz.build

@@ -71,7 +71,7 @@ DIRS += [
     'third_party/python',
 ]
 
-if CONFIG['MOZ_WIDGET_TOOLKIT'] or not CONFIG['MOZ_BUILD_APP']:
+if not CONFIG['JS_STANDALONE'] or not CONFIG['MOZ_BUILD_APP']:
     CONFIGURE_DEFINE_FILES += [
         'mozilla-config.h',
     ]