Update the gyp Linux build:

* Add Linux settings to target_defaults in common.gypi so
  gyp-generated SConscript files no longer depend on
  build/SConscript.main or the Hammer infrastructure.
* Copy the FilterOut() function from Hammer to the chromium_builders.py
  Tool module.
* Add a ChromiumLoadableModule() builder to chromium_builders.py.
* Add dependencies on the 'views' library to the chrome link (target 'app').
* Add missing views/*/*_unittest.cc modules to the 'unit_tests' target.
  Exclude all but the one that builds on Linux from the non-Windows builds.
* Crib a list of chrome/views files to exclude from the Linux build
  from the old SCons configuration.
* Add a new build/linux/system.gyp file with new 'settings' targets
  to encapsulate the pkg-config checks for gtk+-2.0, nss and pangoft2.
* Add depenedencies in the other targets on the new gtk, nss and
  pangoft2 'settings' targets from build/linux/system.gyp.
* Add a pkg_config_wrapper.py script that keeps gyp happy by
  simply exiting 0 if the package isn't found.
* DEPS roll for latest gyp changes to support the above.
Review URL: http://codereview.chromium.org/42340

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@12228 0039d316-1c4b-4281-b951-d872f2087c98

2 files changed, 80 insertions, 0 deletions

diff --git a/build/linux/pkg_config_wrapper.py b/build/linux/pkg_config_wrapper.py
new file mode 100644
index 0000000..3060340
--- /dev/null
+++ b/build/linux/pkg_config_wrapper.py
@@ -0,0 +1,30 @@
+#!/bin/env python
+# Copyright (c) 2009 The Chromium Authors. All rights reserved.
+# Use of this source code is governed by a BSD-style license that can be
+# found in the LICENSE file.
+
+__doc__ = """
+Wrapper script for executing pkg-config with the arguments supplied
+on the command line and suppressing the exit status and error output
+when the error is simply that the specified package isn't installed.
+"""
+
+import sys
+import subprocess
+
+p = subprocess.Popen(['pkg-config'] + sys.argv[1:],
+                     stderr=subprocess.PIPE)
+(stdout, stderr) = p.communicate()
+
+exit_status = p.wait()
+
+if exit_status == 1:
+    import re
+    if re.search('No package.*found', stderr):
+        # Exit status of 1 with a presumably "normal" not found message.
+        # Just swallow the "error."
+        sys.exit(0)
+
+sys.stderr.write(stderr)
+
+sys.exit(exit_status)
diff --git a/build/linux/system.gyp b/build/linux/system.gyp
new file mode 100644
index 0000000..c9452bd
--- /dev/null
+++ b/build/linux/system.gyp
@@ -0,0 +1,50 @@
+# Copyright (c) 2009 The Chromium Authors. All rights reserved.
+# Use of this source code is governed by a BSD-style license that can be
+# found in the LICENSE file.
+
+{
+  'targets': [
+    {
+      'target_name': 'gtk',
+      'type': 'settings',
+      'direct_dependent_settings': {
+        'cflags': [
+          '<!@(python ../build/linux/pkg_config_wrapper.py --cflags gtk+-2.0)',
+        ],
+      },
+      'link_settings': {
+        'libraries': [
+          '<!@(python ../build/linux/pkg_config_wrapper.py --libs gtk+-2.0)',
+        ],
+      },
+    },
+    {
+      'target_name': 'nss',
+      'type': 'settings',
+      'direct_dependent_settings': {
+        'cflags': [
+          '<!@(python ../build/linux/pkg_config_wrapper.py --cflags nss)',
+        ],
+      },
+      'link_settings': {
+        'libraries': [
+          '<!@(python ../build/linux/pkg_config_wrapper.py --libs nss)',
+        ],
+      },
+    },
+    {
+      'target_name': 'pangoft2',
+      'type': 'settings',
+      'direct_dependent_settings': {
+        'cflags': [
+          '<!@(python ../build/linux/pkg_config_wrapper.py --cflags pangoft2)',
+        ],
+      },
+      'link_settings': {
+        'libraries': [
+          '<!@(python ../build/linux/pkg_config_wrapper.py --libs pangoft2)',
+        ],
+      },
+    },
+  ],
+}