Upgrade CMake version for android builds

Summary:
The Android SDK also ships with CMake 3.10.2. This lets us delete the
special case for it in our CMake files.

More importantly, we need the newer version of CMake in order to use
the prebuilt libfbjni.so from maven.

Reviewed By: tmikov

Differential Revision: D28791953

fbshipit-source-id: 11828d660350a497d189c3a5d95afb1c40470b01

.circleci/config.yml

@@ -70,7 +70,7 @@ jobs:
       - run:
           name: Set up workspace and install dependencies
           command: |
-            yes | sdkmanager "cmake;3.6.4111459" &
+            yes | sdkmanager "cmake;3.10.2.4988404" &
             mkdir -p "$HERMES_WS_DIR" "$HERMES_WS_DIR/output"
             ln -sf "$PWD" "$HERMES_WS_DIR/hermes"
             sudo apt-get update
@@ -79,7 +79,7 @@ jobs:
             sudo cp /usr/bin/ninja /usr/bin/ninja.real
             # See top comment
             printf '%s\n' '#!/bin/sh' 'ninja.real -j4 "$@" || ninja.real -j1 "$@"' | sudo tee /usr/bin/ninja
-            ln -sf /usr/bin/ninja /opt/android/sdk/cmake/3.6.4111459/bin/ninja
+            ln -sf /usr/bin/ninja /opt/android/sdk/cmake/3.10.2.4988404/bin/ninja
       - run:
           name: Build Hermes Compiler
           command: |

CMakeLists.txt

@@ -3,14 +3,7 @@
 # This source code is licensed under the MIT license found in the
 # LICENSE file in the root directory of this source tree.
 
-if(NOT HERMES_IS_ANDROID)
-  # We need FindICU from 3.7
-  cmake_minimum_required(VERSION 3.7.0)
-else()
-  # We'll be using ICU through Java, so we don't need FindICU.
-  # 3.6.0 is the minimum version shipped with the Android SDK.
-  cmake_minimum_required(VERSION 3.6.0)
-endif()
+cmake_minimum_required(VERSION 3.7.0)
 
 # Set the VERSION variables based on the project command
 if (POLICY CMP0048)

android/cppruntime/build.gradle

@@ -29,7 +29,7 @@ android {
 
   externalNativeBuild {
     cmake {
-      version "3.6.0"
+      version "3.10.2"
       path "src/main/cpp/CMakeLists.txt"
       buildStagingDirectory = "${rootProject.ext.hermes_ws}/staging/cppruntime"
       buildStagingDirectory.mkdirs()

android/cppruntime/src/main/cpp/CMakeLists.txt

@@ -3,6 +3,6 @@
 # This source code is licensed under the MIT license found in the
 # LICENSE file in the root directory of this source tree.
 
-cmake_minimum_required(VERSION 3.6.0)
+cmake_minimum_required(VERSION 3.7.0)
 
 add_library(stub SHARED stub.cpp)

android/hermes/build.gradle

@@ -35,7 +35,7 @@ android {
 
   externalNativeBuild {
     cmake {
-      version "3.6.0"
+      version "3.10.2"
       path "../../CMakeLists.txt"
       buildStagingDirectory = "${rootProject.ext.hermes_ws}/staging/hermes"
       buildStagingDirectory.mkdirs()

android/intltest/build.gradle

@@ -77,7 +77,7 @@ android {
 
   externalNativeBuild {
     cmake {
-      version "3.6.0"
+      version "3.10.2"
       path "../../CMakeLists.txt"
       buildStagingDirectory = "${rootProject.ext.hermes_ws}/staging/intl"
       buildStagingDirectory.mkdirs()