update cmake to 3.20.1

.github/workflows/build.yml

@@ -60,11 +60,11 @@ jobs:
         gcc_ver: [5, 6, 7, 8, 9, 10]
     steps:
       - uses: actions/checkout@v3
-      - name: Install CMake 3.10.1
+      - name: Install CMake 3.20.1
         run: |
-          wget https://cmake.org/files/v3.10/cmake-3.10.1.zip
-          unzip cmake-3.10.1
-          cd cmake-3.10.1
+          wget https://cmake.org/files/v3.20/cmake-3.20.1.zip
+          unzip cmake-3.20.1
+          cd cmake-3.20.1
           cmake .
           make -j4
           sudo make install

CMakeLists.txt

@@ -26,7 +26,7 @@
 #  POSSIBILITY OF SUCH DAMAGE.
 #
 
-cmake_minimum_required(VERSION 3.10.1)
+cmake_minimum_required(VERSION 3.20.1)
 project(ot-commissioner VERSION 0.2.0)
 
 option(OT_COMM_ANDROID           "Build with Android NDK" OFF)

android/build-commissioner-libs.sh

@@ -46,6 +46,12 @@ cd "${CUR_DIR}"
 readonly BUILD_DIR=".build-$ANDROID_ABI"
 
 mkdir -p "$BUILD_DIR" && cd "$BUILD_DIR"
+
+# Sometimes the java binding will not be rebuilt even of commissioner.hpp is updated.
+# This will enforce rebuilding of the java binding in case the commissioner API is changed.
+# Don't need this when https://github.com/openthread/ot-commissioner/pull/262 is merged
+rm -rf src/java
+
 cmake -GNinja \
     -DCMAKE_TOOLCHAIN_FILE="$ANDROID_NDK_HOME"/build/cmake/android.toolchain.cmake \
     -DANDROID_ABI="$ANDROID_ABI" \

script/bootstrap.sh

@@ -31,7 +31,7 @@ set -e
 
 # Bootstrap with CCM dependencies.
 readonly WITH_CCM="${WITH_CCM:-1}"
-readonly MIN_CMAKE_VERSION="3.10.1"
+readonly MIN_CMAKE_VERSION="3.20.1"
 
 ## Match the version to see if current version is greater than or euqal to required version.
 ## Args: $1 current version