Add build rules for cairo, pixman, and pkg-config on Mac. (Not yet being used.)

TEST=added them as dependencies to a real target and verified they were built successfully
BUG=none

Review URL: http://codereview.chromium.org/6591079

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@76438 0039d316-1c4b-4281-b951-d872f2087c98

4 files changed, 192 insertions, 0 deletions

diff --git a/o3d/build/cairo.gyp b/o3d/build/cairo.gyp
new file mode 100644
index 0000000..433b53e
--- /dev/null
+++ b/o3d/build/cairo.gyp
@@ -0,0 +1,78 @@
+# Copyright (c) 2011 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.
+
+{
+  'variables': {
+    'cairobuilddir': '<(SHARED_INTERMEDIATE_DIR)/cairo',
+  },
+  'includes': [
+    'common.gypi',
+  ],
+  'targets': [
+    {
+      'target_name': 'cairo',
+      'type': 'none',
+      'conditions': [
+        ['OS == "mac"',
+          {
+            'dependencies': [
+              'pixman.gyp:pixman',
+              'pkg-config.gyp:pkg-config',
+            ],
+            'actions': [
+              {
+                'action_name': 'build_cairo',
+                'inputs': [
+                  # Tragically, GYP/XCode has a limitation on the number of
+                  # inputs that an action may have, and cairo's 3000+ files is
+                  # over the limit, so we declare a dependency on only the first
+                  # 2000 files. This is fine because any update to a newer
+                  # version of cairo is likely to modify at least one of those
+                  # files, which is sufficient to re-run the action.
+                  '<!@(find ../../<(cairodir) -name .svn -prune -o -type f '
+                      '-print | head -n 2000)',
+                ],
+                'inputs': [
+                  # The cairo build won't actually read this file at all, but
+                  # it does read the installed pixman headers, so if pixman has
+                  # been rebuilt then we want cairo to be rebuilt too and it is
+                  # simpler to just list this file than list all the pixman
+                  # headers.
+                  '<(pkgconfigroot)/usr/lib/libpixman-1.a',
+                ],
+                'outputs': [
+                  '<(pkgconfigroot)/usr/lib/libcairo.a',
+                  # There are other outputs but it is sufficient to just list
+                  # one.
+                ],
+                'action': [
+                  'sh',
+                  '-c',
+                  # Delete existing build directory, if any.
+                  'rm -rf <(cairobuilddir) && '
+                  # Copy the cairo tree to the build directory.
+                  'cp -r ../../<(cairodir) <(cairobuilddir) && '
+                  # Go there!
+                  'cd <(cairobuilddir) && '
+                  # Put our pkg-config binary into the PATH so cairo's build can
+                  # find it.
+                  'PATH=<(pkgconfigroot)/usr/bin:$PATH && '
+                  # Configure it. We disable png and svg because we don't need
+                  # them and they require additional external dependencies to
+                  # build.
+                  './configure --prefix=<(pkgconfigroot)/usr --disable-shared '
+                      '--disable-png --disable-svg && '
+                  # Build.
+                  'make && '
+                  # "Install" to pkgconfigroot.
+                  'make install',
+                ],
+              },
+            ],
+          },
+        ],
+      ],
+    },
+  ],
+}
diff --git a/o3d/build/common.gypi b/o3d/build/common.gypi
index 2afc49a..2e848fd 100644
--- a/o3d/build/common.gypi
+++ b/o3d/build/common.gypi
@@ -6,6 +6,7 @@
   'variables': {
     'antlrdir': 'third_party/antlr3',
     'breakpaddir': 'breakpad/src',
+    'cairodir': 'third_party/cairo',
     'fcolladadir': 'third_party/fcollada/files',
     'glewdir': 'third_party/glew/files',
     'gtestdir': 'testing/gtest/include',
@@ -15,12 +16,16 @@
     'nixysadir': 'o3d/third_party/nixysa',
     'npapidir': 'o3d/third_party/npapi',
     'pdiffdir': 'third_party/pdiff/files',
+    'pixmandir': 'third_party/pixman',
+    'pkgconfigdir': 'third_party/pkg-config',
     'pngdir': 'third_party/libpng',
     'screenshotsdir': 'o3d_assets/tests/screenshots',
     'seleniumdir': 'third_party/selenium_rc/files',
     'skiadir': 'third_party/skia/include',
     'txcdir': 'third_party/libtxc_dxtn/files',
     'zlibdir': 'third_party/zlib',
+    
+    'pkgconfigroot': '<(SHARED_INTERMEDIATE_DIR)/pkgconfigroot',
 
     # Hack to ensure that these variables (specifically "renderer") are
     # available later in the file. Long term solution is late
diff --git a/o3d/build/pixman.gyp b/o3d/build/pixman.gyp
new file mode 100644
index 0000000..b3a794a
--- /dev/null
+++ b/o3d/build/pixman.gyp
@@ -0,0 +1,55 @@
+# Copyright (c) 2011 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.
+
+{
+  'variables': {
+    'pixmanbuilddir': '<(SHARED_INTERMEDIATE_DIR)/pixman',
+  },
+  'includes': [
+    'common.gypi',
+  ],
+  'targets': [
+    {
+      'target_name': 'pixman',
+      'type': 'none',
+      'conditions': [
+        ['OS == "mac"',
+          {
+            'actions': [
+              {
+                'action_name': 'build_pixman',
+                'inputs': [
+                  '<!@(find ../../<(pixmandir) -name .svn -prune -o -type f '
+                      '-print)',
+                ],
+                'outputs': [
+                  '<(pkgconfigroot)/usr/lib/libpixman-1.a',
+                  # There are other outputs but it is sufficient to just list
+                  # one.
+                ],
+                'action': [
+                  'sh',
+                  '-c',
+                  # Delete existing build directory, if any.
+                  'rm -rf <(pixmanbuilddir) && '
+                  # Copy the pixman tree to the build directory.
+                  'cp -r ../../<(pixmandir) <(pixmanbuilddir) && '
+                  # Go there!
+                  'cd <(pixmanbuilddir) && '
+                  # Configure it.
+                  './configure --prefix=<(pkgconfigroot)/usr --disable-shared '
+                      '&& '
+                  # Build.
+                  'make && '
+                  # "Install" to pkgconfigroot.
+                  'make install',
+                ],
+              },
+            ],
+          },
+        ],
+      ],
+    },
+  ],
+}
diff --git a/o3d/build/pkg-config.gyp b/o3d/build/pkg-config.gyp
new file mode 100644
index 0000000..81fe308
--- /dev/null
+++ b/o3d/build/pkg-config.gyp
@@ -0,0 +1,54 @@
+# Copyright (c) 2011 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.
+
+{
+  'variables': {
+    'pkgconfigbuilddir': '<(SHARED_INTERMEDIATE_DIR)/pkg-config',
+  },
+  'includes': [
+    'common.gypi',
+  ],
+  'targets': [
+    {
+      'target_name': 'pkg-config',
+      'type': 'none',
+      'conditions': [
+        ['OS == "mac"',
+          {
+            'actions': [
+              {
+                'action_name': 'build_pkgconfig',
+                'inputs': [
+                  '<!@(find ../../<(pkgconfigdir) -name .svn -prune -o -type f '
+                      '-print)',
+                ],
+                'outputs': [
+                  '<(pkgconfigroot)/usr/bin/pkg-config',
+                  # There are other outputs but it is sufficient to just list
+                  # one.
+                ],
+                'action': [
+                  'sh',
+                  '-c',
+                  # Delete existing build directory, if any.
+                  'rm -rf <(pkgconfigbuilddir) && '
+                  # Copy the pkg-config tree to the build directory.
+                  'cp -r ../../<(pkgconfigdir) <(pkgconfigbuilddir) && '
+                  # Go there!
+                  'cd <(pkgconfigbuilddir) && '
+                  # Configure it.
+                  './configure --prefix=<(pkgconfigroot)/usr && '
+                  # Build.
+                  'make && '
+                  # "Install" to pkgconfigroot.
+                  'make install',
+                ],
+              },
+            ],
+          },
+        ],
+      ],
+    },
+  ],
+}