early-access version 2853

externals/vcpkg/docs/examples/vcpkg_android_example_cmake/.gitignore

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+build

externals/vcpkg/docs/examples/vcpkg_android_example_cmake/CMakeLists.txt

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+cmake_minimum_required(VERSION 3.0)
+project(test)
+find_package(jsoncpp CONFIG REQUIRED)
+add_library(my_lib my_lib.cpp)
+target_link_libraries(my_lib jsoncpp_lib)

externals/vcpkg/docs/examples/vcpkg_android_example_cmake/compile.sh

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+#
+# 1. Check the presence of required environment variables
+#
+if [ -z ${ANDROID_NDK_HOME+x} ]; then
+  echo "Please set ANDROID_NDK_HOME"
+  exit 1
+fi
+if [ -z ${VCPKG_ROOT+x} ]; then
+  echo "Please set VCPKG_ROOT"
+  exit 1
+fi
+
+#
+# 2. Set the path to the toolchains
+#
+vcpkg_toolchain_file=$VCPKG_ROOT/scripts/buildsystems/vcpkg.cmake
+android_toolchain_file=$ANDROID_NDK_HOME/build/cmake/android.toolchain.cmake
+
+
+#
+# 3. Select a pair "Android abi" / "vcpkg triplet"
+# Uncomment one of the four possibilities below
+#
+
+android_abi=armeabi-v7a
+vcpkg_target_triplet=arm-android
+
+# android_abi=x86
+# vcpkg_target_triplet=x86-android
+
+# android_abi=arm64-v8a
+# vcpkg_target_triplet=arm64-android
+
+# android_abi=x86_64
+# vcpkg_target_triplet=x64-android
+
+
+#
+# 4. Install the library via vcpkg
+#
+$VCPKG_ROOT/vcpkg install jsoncpp:$vcpkg_target_triplet
+
+#
+# 5. Test the build
+#
+rm -rf build
+mkdir build
+cd build 
+cmake .. \
+  -DCMAKE_TOOLCHAIN_FILE=$vcpkg_toolchain_file \
+  -DVCPKG_CHAINLOAD_TOOLCHAIN_FILE=$android_toolchain_file \
+  -DVCPKG_TARGET_TRIPLET=$vcpkg_target_triplet \
+  -DANDROID_ABI=$android_abi
+make

externals/vcpkg/docs/examples/vcpkg_android_example_cmake/my_lib.cpp

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+#include <json/json.h>
+
+int answer()
+{
+  Json::Value meaning_of;
+  meaning_of["everything"] = 42;
+  return meaning_of["everything"].asInt();
+}