Reland "Compile libcxx and libcxxabi for Android (#6886)" (#7160)

This reverts commit a8d55821.

DEPS

@@ -117,7 +117,7 @@ allowed_hosts = [
 ]
 
 deps = {
-  'src': 'https://github.com/flutter/buildroot.git' + '@' + '29a5d76757ec12655c0562b317830f669bd44ea7',
+  'src': 'https://github.com/flutter/buildroot.git' + '@' + '466a8d1bf8403c35cd5a2dffe958087ba31504f7',
 
    # Fuchsia compatibility
    #
@@ -140,6 +140,12 @@ deps = {
   'src/third_party/harfbuzz':
    Var('fuchsia_git') + '/third_party/harfbuzz' + '@' + '02caec6c1c6ad996666788b8e920ccaec8b385e5',
 
+  'src/third_party/libcxx':
+   Var('fuchsia_git') + '/third_party/libcxx' + '@' + 'c5a5fa59789213c7dae68d2e51cb28ef681d8257',
+
+  'src/third_party/libcxxabi':
+   Var('fuchsia_git') + '/third_party/libcxxabi' + '@' + '1a9753522f1ae8d72848d365902f39e0d3d59a39',
+
    # Chromium-style
    #
    # As part of integrating with Fuchsia, we should eventually remove all these

sky/packages/sky_engine/LICENSE

@@ -7116,6 +7116,117 @@ THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 --------------------------------------------------------------------------------
+libcxx
+
+University of Illinois/NCSA
+Open Source License
+
+Copyright (c) 2009-2017 by the contributors listed in CREDITS.TXT
+
+All rights reserved.
+
+Developed by:
+
+    LLVM Team
+
+    University of Illinois at Urbana-Champaign
+
+    http://llvm.org
+
+Permission is hereby granted, free of charge, to any person obtaining a copy of
+this software and associated documentation files (the "Software"), to deal with
+the Software without restriction, including without limitation the rights to
+use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
+of the Software, and to permit persons to whom the Software is furnished to do
+so, subject to the following conditions:
+
+    * Redistributions of source code must retain the above copyright notice,
+      this list of conditions and the following disclaimers.
+
+    * Redistributions in binary form must reproduce the above copyright notice,
+      this list of conditions and the following disclaimers in the
+      documentation and/or other materials provided with the distribution.
+
+    * Neither the names of the LLVM Team, University of Illinois at
+      Urbana-Champaign, nor the names of its contributors may be used to
+      endorse or promote products derived from this Software without specific
+      prior written permission.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL THE
+CONTRIBUTORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS WITH THE
+SOFTWARE.
+--------------------------------------------------------------------------------
+libcxx
+libcxxabi
+
+Copyright (c) 2009-2014 by the contributors listed in CREDITS.TXT
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
+--------------------------------------------------------------------------------
+libcxxabi
+
+University of Illinois/NCSA
+Open Source License
+
+Copyright (c) 2009-2018 by the contributors listed in CREDITS.TXT
+
+All rights reserved.
+
+Developed by:
+
+    LLVM Team
+
+    University of Illinois at Urbana-Champaign
+
+    http://llvm.org
+
+Permission is hereby granted, free of charge, to any person obtaining a copy of
+this software and associated documentation files (the "Software"), to deal with
+the Software without restriction, including without limitation the rights to
+use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
+of the Software, and to permit persons to whom the Software is furnished to do
+so, subject to the following conditions:
+
+    * Redistributions of source code must retain the above copyright notice,
+      this list of conditions and the following disclaimers.
+
+    * Redistributions in binary form must reproduce the above copyright notice,
+      this list of conditions and the following disclaimers in the
+      documentation and/or other materials provided with the distribution.
+
+    * Neither the names of the LLVM Team, University of Illinois at
+      Urbana-Champaign, nor the names of its contributors may be used to
+      endorse or promote products derived from this Software without specific
+      prior written permission.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL THE
+CONTRIBUTORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS WITH THE
+SOFTWARE.
+--------------------------------------------------------------------------------
 libjpeg-turbo
 
 Copyright (C) 1999-2006, MIYASAKA Masaru.

tools/licenses/lib/main.dart

@@ -809,8 +809,7 @@ class _RepositoryMultiLicenseNoticesForFilesFile extends _RepositoryLicenseFile
   Iterable<License> get licenses => _licenses.values;
 }
 
-// TODO(goderbauer): use this in https://github.com/flutter/engine/pull/6886.
-class _RepositoryCxxStlDualLicenseFile extends _RepositoryLicenseFile { // ignore: unused_element
+class _RepositoryCxxStlDualLicenseFile extends _RepositoryLicenseFile {
   _RepositoryCxxStlDualLicenseFile(_RepositoryDirectory parent, fs.TextFile io)
     : _licenses = _parseLicenses(io), super(parent, io);
 
@@ -1488,6 +1487,62 @@ class _RepositoryJSR305SrcDirectory extends _RepositoryDirectory {
   }
 }
 
+class _RepositoryLibcxxDirectory extends _RepositoryDirectory {
+  _RepositoryLibcxxDirectory(_RepositoryDirectory parent, fs.Directory io) : super(parent, io);
+
+  @override
+  bool shouldRecurse(fs.IoNode entry) {
+    return entry.name != 'utils'
+        && super.shouldRecurse(entry);
+  }
+
+  @override
+  _RepositoryDirectory createSubdirectory(fs.Directory entry) {
+    if (entry.name == 'src')
+      return new _RepositoryLibcxxSrcDirectory(this, entry);
+    return super.createSubdirectory(entry);
+  }
+
+  @override
+  _RepositoryFile createFile(fs.IoNode entry) {
+    if (entry.name == 'LICENSE.TXT')
+      return new _RepositoryCxxStlDualLicenseFile(this, entry);
+    return super.createFile(entry);
+  }
+}
+
+class _RepositoryLibcxxSrcDirectory extends _RepositoryDirectory {
+  _RepositoryLibcxxSrcDirectory(_RepositoryDirectory parent, fs.Directory io) : super(parent, io);
+
+  @override
+  _RepositoryDirectory createSubdirectory(fs.Directory entry) {
+    if (entry.name == 'support')
+      return new _RepositoryLibcxxSrcSupportDirectory(this, entry);
+    return super.createSubdirectory(entry);
+  }
+}
+
+class _RepositoryLibcxxSrcSupportDirectory extends _RepositoryDirectory {
+  _RepositoryLibcxxSrcSupportDirectory(_RepositoryDirectory parent, fs.Directory io) : super(parent, io);
+
+  @override
+  bool shouldRecurse(fs.IoNode entry) {
+    return entry.name != 'solaris'
+        && super.shouldRecurse(entry);
+  }
+}
+
+class _RepositoryLibcxxabiDirectory extends _RepositoryDirectory {
+  _RepositoryLibcxxabiDirectory(_RepositoryDirectory parent, fs.Directory io) : super(parent, io);
+
+  @override
+  _RepositoryFile createFile(fs.IoNode entry) {
+    if (entry.name == 'LICENSE.TXT')
+      return new _RepositoryCxxStlDualLicenseFile(this, entry);
+    return super.createFile(entry);
+  }
+}
+
 class _RepositoryLibJpegDirectory extends _RepositoryDirectory {
   _RepositoryLibJpegDirectory(_RepositoryDirectory parent, fs.Directory io) : super(parent, io);
 
@@ -1699,6 +1754,10 @@ class _RepositoryRootThirdPartyDirectory extends _RepositoryGenericThirdPartyDir
       return new _RepositoryIcuDirectory(this, entry);
     if (entry.name == 'jsr-305')
       return new _RepositoryJSR305Directory(this, entry);
+    if (entry.name == 'libcxx')
+      return new _RepositoryLibcxxDirectory(this, entry);
+    if (entry.name == 'libcxxabi')
+      return new _RepositoryLibcxxabiDirectory(this, entry);
     if (entry.name == 'libjpeg')
       return new _RepositoryLibJpegDirectory(this, entry);
     if (entry.name == 'libjpeg_turbo' || entry.name == 'libjpeg-turbo')