Support Mac android cross compile.

pylib/gyp/generator/make.py

 # Copyright (c) 2012 Google Inc. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 # Notes:
 #
 # This is all roughly based on the Makefile system used by the Linux
 # kernel, but is a non-recursive make -- we put the entire dependency
 # graph in front of make and let it figure it out.
 #
@@ skipping 44 matching lines @@
 
 # Placates pylint.
 generator_additional_non_configuration_keys = []
 generator_additional_path_sections = []
 generator_extra_sources_for_rules = []
 
 
 def CalculateVariables(default_variables, params):
   """Calculate additional variables for use in the build (called by gyp)."""
   flavor = gyp.common.GetFlavor(params)
+  default_variables.setdefault('HOST_OS', gyp.common.GetHostFlavor(params))
   if flavor == 'mac':
     default_variables.setdefault('OS', 'mac')
     default_variables.setdefault('SHARED_LIB_SUFFIX', '.dylib')
     default_variables.setdefault('SHARED_LIB_DIR',
                                  generator_default_variables['PRODUCT_DIR'])
     default_variables.setdefault('LIB_DIR',
                                  generator_default_variables['PRODUCT_DIR'])
 
     # Copy additional generator configuration data from Xcode, which is shared
     # by the Mac Make generator.
@@ skipping 93 matching lines @@
 quiet_cmd_solink = SOLINK($(TOOLSET)) $@
 cmd_solink = $(LINK.$(TOOLSET)) -shared $(GYP_LDFLAGS) $(LDFLAGS.$(TOOLSET)) -o "$@" $(LD_INPUTS) $(LIBS)
 
 # TODO(thakis): The solink_module rule is likely wrong. Xcode seems to pass
 # -bundle -single_module here (for osmesa.so).
 quiet_cmd_solink_module = SOLINK_MODULE($(TOOLSET)) $@
 cmd_solink_module = $(LINK.$(TOOLSET)) -shared $(GYP_LDFLAGS) $(LDFLAGS.$(TOOLSET)) -o $@ $(filter-out FORCE_DO_CMD, $^) $(LIBS)
 """
 
 LINK_COMMANDS_ANDROID = """\
-quiet_cmd_alink = AR($(TOOLSET)) $@
-cmd_alink = rm -f $@ && $(AR.$(TOOLSET)) $(ARFLAGS.$(TOOLSET)) $@ $(filter %.o,$^)
+quiet_cmd_alink_target = AR($(TOOLSET)) $@
+cmd_alink_target = rm -f $@ && $(AR.$(TOOLSET)) $(ARFLAGS.$(TOOLSET)) $@ $(filter %.o,$^)
 
 # Due to circular dependencies between libraries :(, we wrap the
 # special "figure out circular dependencies" flags around the entire
 # input list during linking.
-quiet_cmd_link = LINK($(TOOLSET)) $@
-quiet_cmd_link_host = LINK($(TOOLSET)) $@
-cmd_link = $(LINK.$(TOOLSET)) $(GYP_LDFLAGS) $(LDFLAGS.$(TOOLSET)) -o $@ -Wl,--start-group $(LD_INPUTS) -Wl,--end-group $(LIBS)
-cmd_link_host = $(LINK.$(TOOLSET)) $(GYP_LDFLAGS) $(LDFLAGS.$(TOOLSET)) -o $@ $(LD_INPUTS) $(LIBS)
+quiet_cmd_link_target = LINK($(TOOLSET)) $@
+cmd_link_target = $(LINK.$(TOOLSET)) $(GYP_LDFLAGS) $(LDFLAGS.$(TOOLSET)) -o $@ -Wl,--start-group $(LD_INPUTS) -Wl,--end-group $(LIBS)
 
 # Other shared-object link notes:
 # - Set SONAME to the library filename so our binaries don't reference
 # the local, absolute paths used on the link command-line.
-quiet_cmd_solink = SOLINK($(TOOLSET)) $@
-cmd_solink = $(LINK.$(TOOLSET)) -shared $(GYP_LDFLAGS) $(LDFLAGS.$(TOOLSET)) -Wl,-soname=$(@F) -o $@ -Wl,--whole-archive $(LD_INPUTS) -Wl,--no-whole-archive $(LIBS)
+quiet_cmd_solink_target = SOLINK($(TOOLSET)) $@
+cmd_solink_target = $(LINK.$(TOOLSET)) -shared $(GYP_LDFLAGS) $(LDFLAGS.$(TOOLSET)) -Wl,-soname=$(@F) -o $@ -Wl,--whole-archive $(LD_INPUTS) -Wl,--no-whole-archive $(LIBS)
 
-quiet_cmd_solink_module = SOLINK_MODULE($(TOOLSET)) $@
-cmd_solink_module = $(LINK.$(TOOLSET)) -shared $(GYP_LDFLAGS) $(LDFLAGS.$(TOOLSET)) -Wl,-soname=$(@F) -o $@ -Wl,--start-group $(filter-out FORCE_DO_CMD, $^) -Wl,--end-group $(LIBS)
-quiet_cmd_solink_module_host = SOLINK_MODULE($(TOOLSET)) $@
-cmd_solink_module_host = $(LINK.$(TOOLSET)) -shared $(GYP_LDFLAGS) $(LDFLAGS.$(TOOLSET)) -Wl,-soname=$(@F) -o $@ $(filter-out FORCE_DO_CMD, $^) $(LIBS)
+quiet_cmd_solink_module_target = SOLINK_MODULE($(TOOLSET)) $@
+cmd_solink_module_target = $(LINK.$(TOOLSET)) -shared $(GYP_LDFLAGS) $(LDFLAGS.$(TOOLSET)) -Wl,-soname=$(@F) -o $@ -Wl,--start-group $(filter-out FORCE_DO_CMD, $^) -Wl,--end-group $(LIBS)
 """
 
 
 # Header of toplevel Makefile.
 # This should go into the build tree, but it's easier to keep it here for now.
 SHARED_HEADER = ("""\
 # We borrow heavily from the kernel build setup, though we are simpler since
 # we don't have Kconfig tweaking settings on us.
 
 # The implicit make rules have it looking for RCS files, among other things.
@@ skipping 1290 matching lines @@
     if postbuilds:
       assert not self.is_mac_bundle, ('Postbuilds for bundles should be done '
           'on the bundle, not the binary (target \'%s\')' % self.target)
       assert 'product_dir' not in spec, ('Postbuilds do not work with '
           'custom product_dir')
 
     if self.type == 'executable':
       self.WriteLn('%s: LD_INPUTS := %s' % (
           QuoteSpaces(self.output_binary),
           ' '.join(map(QuoteSpaces, link_deps))))
-      if self.toolset == 'host' and self.flavor == 'android':
-        self.WriteDoCmd([self.output_binary], link_deps, 'link_host',
+      if self.toolset == 'target' and self.flavor == 'android':
+        self.WriteDoCmd([self.output_binary], link_deps, 'link_target',
                         part_of_all, postbuilds=postbuilds)
       else:
         self.WriteDoCmd([self.output_binary], link_deps, 'link', part_of_all,
                         postbuilds=postbuilds)
 
     elif self.type == 'static_library':
       for link_dep in link_deps:
         assert ' ' not in link_dep, (
             "Spaces in alink input filenames not supported (%s)"  % link_dep)
-      self.WriteDoCmd([self.output_binary], link_deps, 'alink', part_of_all,
-                      postbuilds=postbuilds)
+      if self.toolset == 'target' and self.flavor == 'android':
+        self.WriteDoCmd([self.output_binary], link_deps, 'alink_target',
+                part_of_all, postbuilds=postbuilds)
+      else:
+        self.WriteDoCmd([self.output_binary], link_deps, 'alink', part_of_all,
+                        postbuilds=postbuilds)
+
     elif self.type == 'shared_library':
       self.WriteLn('%s: LD_INPUTS := %s' % (
             QuoteSpaces(self.output_binary),
             ' '.join(map(QuoteSpaces, link_deps))))
-      self.WriteDoCmd([self.output_binary], link_deps, 'solink', part_of_all,
-                      postbuilds=postbuilds)
+      if self.toolset == 'target' and self.flavor == 'android':
+        self.WriteDoCmd([self.output_binary], link_deps, 'solink_target',
+                part_of_all, postbuilds=postbuilds)
+      else:
+        self.WriteDoCmd([self.output_binary], link_deps, 'solink', part_of_all,
+                        postbuilds=postbuilds)
     elif self.type == 'loadable_module':
       for link_dep in link_deps:
         assert ' ' not in link_dep, (
             "Spaces in module input filenames not supported (%s)"  % link_dep)
-      if self.toolset == 'host' and self.flavor == 'android':
-        self.WriteDoCmd([self.output_binary], link_deps, 'solink_module_host',
+      if self.toolset == 'target' and self.flavor == 'android':
+        self.WriteDoCmd([self.output_binary], link_deps, 'solink_module_target',
                         part_of_all, postbuilds=postbuilds)
       else:
         self.WriteDoCmd(
             [self.output_binary], link_deps, 'solink_module', part_of_all,
             postbuilds=postbuilds)
     elif self.type == 'none':
       # Write a stamp line.
       self.WriteDoCmd([self.output_binary], deps, 'touch', part_of_all,
                       postbuilds=postbuilds)
     else:
@@ skipping 368 matching lines @@
                                                          cc_command=cc_host):
     arflags_host = 'crsT'
 
   return { 'ARFLAGS.target': arflags_target,
            'ARFLAGS.host': arflags_host }
 
 
 def GenerateOutput(target_list, target_dicts, data, params):
   options = params['options']
   flavor = gyp.common.GetFlavor(params)
+  host_flavor = gyp.common.GetHostFlavor(params)
   generator_flags = params.get('generator_flags', {})
   builddir_name = generator_flags.get('output_dir', 'out')
   android_ndk_version = generator_flags.get('android_ndk_version', None)
   default_target = generator_flags.get('default_target', 'all')
 
   def CalculateMakefilePath(build_file, base_name):
     """Determine where to write a Makefile for a given gyp file."""
     # Paths in gyp files are relative to the .gyp file, but we want
     # paths relative to the source root for the master makefile.  Grab
     # the path of the .gyp file as the base to relativize against.
@@ skipping 34 matching lines @@
   header_params = {
       'default_target': default_target,
       'builddir': builddir_name,
       'default_configuration': default_configuration,
       'flock': flock_command,
       'flock_index': 1,
       'link_commands': LINK_COMMANDS_LINUX,
       'extra_commands': '',
       'srcdir': srcdir,
     }
-  if flavor == 'mac':
+  if host_flavor == 'mac':
     flock_command = './gyp-mac-tool flock'
     header_params.update({
         'flock': flock_command,
         'flock_index': 2,
         'link_commands': LINK_COMMANDS_MAC,
+    })
+  elif host_flavor == 'solaris':
+    flock_command = './gyp-sun-tool flock',
+    header_params.update({
+        'flock': flock_command,
+        'flock_index': 2,
+    })
+  elif host_flavor == 'freebsd':
+    flock_command = 'lockf',
+    header_params.update({
+        'flock': flock_command,
+    })
+
+  if flavor == 'mac':
+    header_params.update({
         'extra_commands': SHARED_HEADER_MAC_COMMANDS,
     })
+  elif flavor == 'solaris':
+    header_params.update({
+        'extra_commands': SHARED_HEADER_SUN_COMMANDS,
+    })
   elif flavor == 'android':
     header_params.update({
-        'link_commands': LINK_COMMANDS_ANDROID,
-    })
-  elif flavor == 'solaris':
-    header_params.update({
-        'flock': './gyp-sun-tool flock',
-        'flock_index': 2,
-        'extra_commands': SHARED_HEADER_SUN_COMMANDS,
-    })
-  elif flavor == 'freebsd':
-    header_params.update({
-        'flock': 'lockf',
+        'extra_commands': LINK_COMMANDS_ANDROID,
     })
 
   header_params.update(RunSystemTests(flavor))
   header_params.update({
     'CC.target':   GetEnvironFallback(('CC_target', 'CC'), '$(CC)'),
     'AR.target':   GetEnvironFallback(('AR_target', 'AR'), '$(AR)'),
     'CXX.target':  GetEnvironFallback(('CXX_target', 'CXX'), '$(CXX)'),
     'LINK.target': GetEnvironFallback(('LD_target', 'LD'), '$(LINK)'),
     'CC.host':     GetEnvironFallback(('CC_host',), 'gcc'),
     'AR.host':     GetEnvironFallback(('AR_host',), 'ar'),
     'CXX.host':    GetEnvironFallback(('CXX_host',), 'g++'),
     'LINK.host':   GetEnvironFallback(('LD_host',), 'g++'),
   })
 
   build_file, _, _ = gyp.common.ParseQualifiedTarget(target_list[0])
   make_global_settings_array = data[build_file].get('make_global_settings', [])
   make_global_settings = ''
   for key, value in make_global_settings_array:
     if value[0] != '$':
       value = '$(abspath %s)' % value
     if key == 'LINK':
       make_global_settings += ('%s ?= %s $(builddir)/linker.lock %s\n' %
                                (key, flock_command, value))
-    elif key in ('CC', 'CC.host', 'CXX', 'CXX.host'):
+    elif key in ('CC', 'CC.host', 'CXX', 'CXX.host', 'AR', 'AR.host'):
       make_global_settings += (
           'ifneq (,$(filter $(origin %s), undefined default))\n' % key)
       # Let gyp-time envvars win over global settings.
       if key in os.environ:
         value = os.environ[key]
       make_global_settings += '  %s = %s\n' % (key, value)
       make_global_settings += 'endif\n'
     else:
       make_global_settings += '%s ?= %s\n' % (key, value)
   header_params['make_global_settings'] = make_global_settings
 
   ensure_directory_exists(makefile_path)
   root_makefile = open(makefile_path, 'w')
   root_makefile.write(SHARED_HEADER % header_params)
   # Currently any versions have the same effect, but in future the behavior
   # could be different.
   if android_ndk_version:
     root_makefile.write(
         '# Define LOCAL_PATH for build of Android applications.\n'
         'LOCAL_PATH := $(call my-dir)\n'
         '\n')
   for toolset in toolsets:
     root_makefile.write('TOOLSET := %s\n' % toolset)
     WriteRootHeaderSuffixRules(root_makefile)
 
   # Put build-time support tools next to the root Makefile.
   dest_path = os.path.dirname(makefile_path)
-  gyp.common.CopyTool(flavor, dest_path)
+  gyp.common.CopyTool(host_flavor, dest_path)
 
   # Find the list of targets that derive from the gyp file(s) being built.
   needed_targets = set()
   for build_file in params['build_files']:
     for target in gyp.common.AllTargets(target_list, target_dicts, build_file):
       needed_targets.add(target)
 
   build_files = set()
   include_list = set()
   for qualified_target in target_list:
@@ skipping 76 matching lines @@
     root_makefile.write("  include " + include_file + "\n")
     root_makefile.write("endif\n")
   root_makefile.write('\n')
 
   if generator_flags.get('auto_regeneration', True):
     WriteAutoRegenerationRule(params, root_makefile, makefile_name, build_files)
 
   root_makefile.write(SHARED_FOOTER)
 
   root_makefile.close()