Split GoogleUtilities from FirebaseCore (#1370)

2 files changed, 79 insertions, 0 deletions

diff --git a/cmake/FindGoogleUtilities.cmake b/cmake/FindGoogleUtilities.cmake
new file mode 100644
index 0000000..37f7361
--- /dev/null
+++ b/cmake/FindGoogleUtilities.cmake
@@ -0,0 +1,56 @@
+# Copyright 2018 Google
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+find_library(
+  GoogleUtilities_LIBRARY
+  GoogleUtilities
+  PATHS ${FIREBASE_INSTALL_DIR}/Frameworks
+)
+
+include(FindPackageHandleStandardArgs)
+find_package_handle_standard_args(
+  GoogleUtilities
+  DEFAULT_MSG
+  GoogleUtilities_LIBRARY
+)
+
+if(GoogleUtilities_FOUND)
+  # Emulate CocoaPods behavior which makes all headers available unqualified.
+  set(
+    GoogleUtilities_INCLUDE_DIRS
+    ${GoogleUtilities_LIBRARY}/Headers
+    ${GoogleUtilities_LIBRARY}/PrivateHeaders
+  )
+
+  set(
+    GoogleUtilities_LIBRARIES
+    ${GoogleUtilities_LIBRARY}
+    "-framework Foundation"
+  )
+
+  if(NOT TARGET GoogleUtilities)
+    # Add frameworks as INTERFACE libraries rather than IMPORTED so that
+    # framework behavior is preserved.
+    add_library(GoogleUtilities INTERFACE)
+
+    set_property(
+      TARGET GoogleUtilities APPEND PROPERTY
+      INTERFACE_INCLUDE_DIRECTORIES ${GoogleUtilities_INCLUDE_DIRS}
+    )
+    set_property(
+      TARGET GoogleUtilities APPEND PROPERTY
+      INTERFACE_LINK_LIBRARIES ${GoogleUtilities_LIBRARIES}
+    )
+  endif()
+endif(GoogleUtilities_FOUND)
diff --git a/cmake/external/GoogleUtilities.cmake b/cmake/external/GoogleUtilities.cmake
new file mode 100644
index 0000000..af90001
--- /dev/null
+++ b/cmake/external/GoogleUtilities.cmake
@@ -0,0 +1,23 @@
+# Copyright 2018 Google
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+include(xcodebuild)
+
+if(APPLE)
+  # GoogleUtilities is only available as a CocoaPod build.
+  xcodebuild(GoogleUtilities)
+else()
+  # On non-Apple platforms, there's no way to build GoogleUtilities.
+  add_custom_target(GoogleUtilities)
+endif()