cmake: set minimum required cmake to 3.15

Author: bramoosterhuis

CMakeLists.txt

@@ -16,7 +16,7 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-cmake_minimum_required(VERSION 3.3)
+cmake_minimum_required(VERSION 3.15)
 project(Libraries)
 
 find_package(Thunder)

Source/bluetooth/CMakeLists.txt

@@ -15,7 +15,7 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-cmake_minimum_required(VERSION 3.3)
+cmake_minimum_required(VERSION 3.15)
 
 find_package(Thunder)
 find_package(${NAMESPACE}Core REQUIRED)

Source/bluetooth/audio/CMakeLists.txt

@@ -15,7 +15,7 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-cmake_minimum_required(VERSION 3.3)
+cmake_minimum_required(VERSION 3.15)
 
 find_package(Thunder)
 find_package(${NAMESPACE}Core REQUIRED)

Source/bluetooth/gatt/CMakeLists.txt

@@ -15,7 +15,7 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-cmake_minimum_required(VERSION 3.3)
+cmake_minimum_required(VERSION 3.15)
 
 find_package(Thunder)
 find_package(${NAMESPACE}Core REQUIRED)

Source/broadcast/CMakeLists.txt

@@ -15,7 +15,7 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-cmake_minimum_required(VERSION 3.3)
+cmake_minimum_required(VERSION 3.15)
 
 find_package(Thunder)
 find_package(${NAMESPACE}Core REQUIRED)

Source/compositorbuffer/CMakeLists.txt

@@ -17,7 +17,7 @@
 
 project(CompositorBufferType LANGUAGES CXX)
 
-cmake_minimum_required(VERSION 3.12)
+cmake_minimum_required(VERSION 3.15)
 
 find_package(Thunder)