diff --git a/.github/workflows/sdk_build.yml b/.github/workflows/sdk_build.yml
index 8018ae3ac..4f7a57ae8 100644
--- a/.github/workflows/sdk_build.yml
+++ b/.github/workflows/sdk_build.yml
@@ -14,6 +14,11 @@ on:
         description: 'Linux Unity version'
         default: '2017.4.10f1'
         required: true
+      # Additional CMake flags to use
+      additional_cmake_flags:
+        description: 'Additional flags to pass into CMake'
+        default: ''
+        required: false
 
 jobs:
   build_desktop:
@@ -103,13 +108,13 @@ jobs:
         if: startsWith(matrix.os, 'ubuntu')
         shell: bash
         run: |
-          ./build_linux.sh
+          ./build_linux.sh ${{ github.event.inputs.additional_cmake_flags }}
 
       - name: Build SDK (MacOS)
         if: startsWith(matrix.os, 'macos')
         shell: bash
         run: |
-          ./build_macos.sh
+          ./build_macos.sh ${{ github.event.inputs.additional_cmake_flags }}
 
       - name: Build SDK (Windows)
         if: startsWith(matrix.os, 'windows')
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 393ee33f0..90c789ce8 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -30,31 +30,44 @@ option(FIREBASE_UNI_LIBRARY "Link all firebase libraries into one shared object"
 
 # Different options to enable/disable each library being included during
 # configuration.
+option(FIREBASE_INCLUDE_LIBRARY_DEFAULT
+       "Should each library be included by default." ON)
 option(FIREBASE_INCLUDE_ANALYTICS
-       "Include the Google Analytics for Firebase library." ON)
+       "Include the Google Analytics for Firebase library."
+       ${FIREBASE_INCLUDE_LIBRARY_DEFAULT})
 option(FIREBASE_INCLUDE_AUTH
-       "Include the Firebase Authentication library." ON)
+       "Include the Firebase Authentication library."
+       ${FIREBASE_INCLUDE_LIBRARY_DEFAULT})
 option(FIREBASE_INCLUDE_CRASHLYTICS
-       "Include the Firebase Crashlytics library." ON)
+       "Include the Firebase Crashlytics library."
+       ${FIREBASE_INCLUDE_LIBRARY_DEFAULT})
 option(FIREBASE_INCLUDE_DATABASE
-       "Include the Firebase Realtime Database library." ON)
+       "Include the Firebase Realtime Database library."
+       ${FIREBASE_INCLUDE_LIBRARY_DEFAULT})
 option(FIREBASE_INCLUDE_DYNAMIC_LINKS
-       "Include the Firebase Dynamic Links library." ON)
+       "Include the Firebase Dynamic Links library."
+       ${FIREBASE_INCLUDE_LIBRARY_DEFAULT})
 option(FIREBASE_INCLUDE_INSTALLATIONS
-       "Include the Firebase Installations library." ON)
+       "Include the Firebase Installations library."
+       ${FIREBASE_INCLUDE_LIBRARY_DEFAULT})
 option(FIREBASE_INCLUDE_FIRESTORE
-       "Include the Firebase Firestore library." ON)
+       "Include the Firebase Firestore library."
+       ${FIREBASE_INCLUDE_LIBRARY_DEFAULT})
 option(FIREBASE_INCLUDE_FUNCTIONS
-       "Include the Cloud Functions for Firebase library." ON)
+       "Include the Cloud Functions for Firebase library."
+       ${FIREBASE_INCLUDE_LIBRARY_DEFAULT})
 option(FIREBASE_INCLUDE_MESSAGING
-       "Include the Firebase Cloud Messaging library." ON)
+       "Include the Firebase Cloud Messaging library."
+       ${FIREBASE_INCLUDE_LIBRARY_DEFAULT})
 option(FIREBASE_INCLUDE_REMOTE_CONFIG
-       "Include the Firebase Remote Config library." ON)
+       "Include the Firebase Remote Config library."
+       ${FIREBASE_INCLUDE_LIBRARY_DEFAULT})
 option(FIREBASE_INCLUDE_STORAGE
-       "Include the Cloud Storage for Firebase library." ON)
+       "Include the Cloud Storage for Firebase library."
+       ${FIREBASE_INCLUDE_LIBRARY_DEFAULT})
 
 option(FIREBASE_INCLUDE_EDITOR_TOOL
-       "Include Unity editor tools for Firebase library." ON)
+       "Include Unity editor tools for Firebase library." OFF)
 option(FIREBASE_UNITY_BUILD_TESTS
        "Enable the Firebase Unity Build Tests." OFF)
 
diff --git a/build_bash.sh b/build_bash.sh
index 8f16fc1fd..8d0092d7f 100755
--- a/build_bash.sh
+++ b/build_bash.sh
@@ -67,7 +67,7 @@ for option in "${build_options[@]}" ; do
   pushd "$DIR"
 
     # Configure cmake with option value
-    cmake .. ${CMAKE_OPTIONS} ${EXTRA_OPTIONS}
+    cmake .. ${CMAKE_OPTIONS} ${EXTRA_OPTIONS} "$@"
     check_exit_code $?
 
     # Build the SDK
diff --git a/build_linux.sh b/build_linux.sh
index 138c154d9..84129a480 100755
--- a/build_linux.sh
+++ b/build_linux.sh
@@ -22,4 +22,4 @@ set -e
 set -x
 
 export PLATFORM=linux
-./build_bash.sh
+./build_bash.sh "$@"
diff --git a/build_macos.sh b/build_macos.sh
index 20b0ebf8c..223071a56 100755
--- a/build_macos.sh
+++ b/build_macos.sh
@@ -25,4 +25,4 @@ set -e
 set -x
 
 export PLATFORM=macos
-./build_bash.sh
+./build_bash.sh "$@"