Feed cefpythonapp before cef/cef_dll_wrapper to the linker (#230)...

Update automate.py - disable NACL and use sysroot, as per instructions
in cef/AutomatedBuildSetup.md.

Disable sandboxing for the subprocesses.

Update build-instructions for Linux.

docs/Build-instructions.md

@@ -52,18 +52,7 @@ __Linux__
 
 * Install packages: `sudo apt-get install cmake  g++`
 * If building CEF from sources:
-    * Download and install cmake 2.8.12 or later (unless you already have a
-proper version, check with cmake --version):
-        ```
-        cd build/
-        wget http://www.cmake.org/files/v2.8/cmake-2.8.12.2.tar.gz
-        tar xzf cmake-2.8.12.2.tar.gz
-        cd cmake-2.8.12.2
-        ./configure
-        make
-        sudo make install
-        # restart terminal, so that new cmake is used
-        ```
+    * Official binaries are build on Ubuntu 14.04 (cmake 2.8.12, g++ 4.8.4)
     * Download [ninja](http://martine.github.io/ninja/) 1.7.1 or later
       and copy it to /usr/bin and chmod 755.
     * When building CEF from sources you will need to install many more packages
@@ -72,8 +61,6 @@ proper version, check with cmake --version):
     * See also the Linux configuration for CEF automated
       builds on the [cef/AutomatedBuildSetup.md](https://bitbucket.org/chromiumembedded/cef/wiki/AutomatedBuildSetup.md#markdown-header-linux-configuration)
       wiki page.
-* Building on Ubuntu 12.04 is supported up to branch 2526 (Chrome 47).
-  For branches 2623 (Chrome 49) or later Ubuntu 14.04+ is required.
 * To build on Debian 7 see
   [cef/BuildingOnDebian7.md](https://bitbucket.org/chromiumembedded/cef/wiki/BuildingOnDebian7.md) and
   [cef/#1575](https://bitbucket.org/chromiumembedded/cef/issues/1575),

src/cefpython.pyx

@@ -572,9 +572,8 @@ def Initialize(applicationSettings=None, commandLineSwitches=None):
     if not "single_process" in applicationSettings:
         applicationSettings["single_process"] = False
 
-    cdef CefRefPtr[CefApp] cefApp
+    cdef CefRefPtr[CefApp] cefApp = <CefRefPtr[CefApp]?>new CefPythonApp()
 
-    cefApp = <CefRefPtr[CefApp]?>new CefPythonApp()
     IF UNAME_SYSNAME == "Windows":
         cdef HINSTANCE hInstance = GetModuleHandle(NULL)
         cdef CefMainArgs cefMainArgs = CefMainArgs(hInstance)
@@ -598,6 +597,8 @@ def Initialize(applicationSettings=None, commandLineSwitches=None):
         g_applicationSettings[key] = copy.deepcopy(applicationSettings[key])
 
     cdef CefSettings cefApplicationSettings
+    # No sandboxing for the subprocesses
+    cefApplicationSettings.no_sandbox = 1
     SetApplicationSettings(applicationSettings, &cefApplicationSettings)
 
     if commandLineSwitches:

src/cython_includes/cef_types.pxd

@@ -47,6 +47,7 @@ cdef extern from "include/internal/cef_types.h":
         int persist_user_preferences
         cef_string_t user_data_path
         int windowless_rendering_enabled
+        int no_sandbox
 
     ctypedef struct CefBrowserSettings:
         cef_string_t accept_language_list

src/linux/setup/setup.py

@@ -68,18 +68,22 @@ def CompileTimeConstants():
 
     # http_authentication not implemented on Linux.
     library_dirs=[
+        r'./../binaries_%s' % BITS,
         r'./lib_%s' % BITS,
         r'./../../client_handler/',
         r'./../../subprocess/', # libcefpythonapp
         r'./../../cpp_utils/'
     ],
 
     libraries=[
-        'cef_dll_wrapper',
-        # 'v8function_handler',
-        'client_handler',
+        # Feed cefpythonapp before cef/cef_dll_wrapper to the linker,
+        # otherwise an "undefined symbol" error may occur when importing
+        # the cefpython .so module (Issue #230).
         'cefpythonapp',
+        'client_handler',
         'cpp_utils',
+        'cef',
+        'cef_dll_wrapper',
         'gtk-x11-2.0',
     ],
 

src/subprocess/Makefile

@@ -16,12 +16,11 @@ INC = -I./../ -I/usr/include/gtk-2.0 \
 	-I/usr/lib/glib-2.0/include -I/usr/lib/gtk-2.0/include
 
 ifeq ($(UNAME_S), Linux)
-	LIB = -L./../linux/setup/lib_64bit -L./../linux/setup/lib_32bit \
-		-L./../linux/binaries_64bit -L./../linux/binaries_32bit
+	LIB = -L./../linux/binaries_64bit -L./../linux/binaries_32bit \
+	      -L./../linux/setup/lib_64bit -L./../linux/setup/lib_32bit
 else ifeq ($(UNAME_S), Darwin)
-	LIB = -L./../mac/setup/lib_64bit -L./../mac/setup/lib_32bit \
-		-L./../mac/binaries_64bit/ \
-		-L./../mac/binaries_32bit/
+	LIB = -L./../mac/binaries_64bit/ -L./../mac/binaries_32bit/ \
+	      -L./../mac/setup/lib_64bit -L./../mac/setup/lib_32bit
 endif
 
 CCFLAGS = -g -Wall -Werror -DRENDERER_PROCESS $(CEF_CCFLAGS)
@@ -31,4 +30,4 @@ subprocess:
 	# -fPIC is required only for libraries included by Cython.
 	g++ $(CCFLAGS) $(INC) $(LIB) main.cpp cefpython_app.cpp \
 		v8function_handler.cpp v8utils.cpp javascript_callback.cpp \
-		-lcef_dll_wrapper -lcef -o subprocess -Wl,-rpath,.
+		-lcef -lcef_dll_wrapper -o subprocess -Wl,-rpath,.

tools/automate.py

@@ -1,6 +1,5 @@
 # Copyright (c) 2016 CEF Python, see the Authors file. All rights reserved.
 
-# TODO: add GYP_DEFINES: disable_nacl=1 use_sysroot=1 (AutomatedBuildSetup)
 # TODO: run automate-git.py using Python 2.7 from depot_tools
 
 """Build CEF Python and use prebuilt CEF binaries or build CEF from sources.
@@ -447,8 +446,10 @@ def getenv():
     env["GYP_GENERATORS"] = Options.gyp_generators
     if platform.system() == "Windows":
         env["GYP_MSVS_VERSION"] = Options.gyp_msvs_version
-    # Issue73 patch applied
-    env["GYP_DEFINES"] = "use_allocator=none"
+    # See cef/AutomatedBuildSetup.md for reference.
+    # Issue73 patch applied with "use_allocator=none"
+    # TODO: 32-bit gyp defines: host_arch=x86_64 target_arch=ia32
+    env["GYP_DEFINES"] = "disable_nacl=1 use_sysroot=1 use_allocator=none"
     # To perform an official build set GYP_DEFINES=buildtype=Official.
     # This will disable debugging code and enable additional link-time
     # optimizations in Release builds.