Prepare CMake for Android deployment and development

CMakeLists.txt

@@ -11,11 +11,13 @@ set(VERSION "beta-2")
 
 option(FETCH_DEPS "Download dependencies if they are not found" ON)
 option(XMRIG "Include XMRig module" ON)
-option(OPENVR "Include OpenVR support" OFF)
-option(QML "Include QtQuick (QML)" OFF)
-option(TOR_BIN "Path to Tor binary to embed inside WOWlet" OFF)
+option(OPENVR "Include OpenVR support")
+option(QML "Include QtQuick (QML)")
+option(ANDROID "Android deployment")
+option(ANDROID_DEBUG "View the Android app on desktop")
+option(TOR_BIN "Path to Tor binary to embed inside WOWlet")
 option(STATIC "Link libraries statically, requires static Qt")
-option(USE_DEVICE_TREZOR "Trezor support compilation" OFF)
+option(USE_DEVICE_TREZOR "Trezor support compilation")
 option(DONATE_BEG "Prompt donation window every once in a while" ON)
 list(INSERT CMAKE_MODULE_PATH 0 "${CMAKE_SOURCE_DIR}/cmake")
 include(CheckCCompilerFlag)
@@ -28,11 +30,11 @@ include(CheckSymbolExists)
 
 set(WOWNERO_HEAD "f611d5c9e32bc62f1735f6571b0bdb95cc020531")
 set(BUILD_GUI_DEPS ON)
-set(ARCH "x86-64")
-set(BUILD_64 ON)
+set(ARCH "x86-64" CACHE STRING "Target architecture")
+set(BUILD_64 ON CACHE BOOL "Build 64-bit binaries")
 set(INSTALL_VENDORED_LIBUNBOUND ${STATIC})
 set(USE_SINGLE_BUILDDIR ON)
-if(OPENVR)
+if(OPENVR OR ANDROID_DEBUG)
     set(QML ON)
 endif()
 
@@ -41,10 +43,7 @@ set(_CMAKE_BUILD_TYPE "")
 string(TOUPPER "${CMAKE_BUILD_TYPE}" _CMAKE_BUILD_TYPE)
 if("${_CMAKE_BUILD_TYPE}" STREQUAL "DEBUG")
     set(DEBUG ON)
-
     set(CMAKE_VERBOSE_MAKEFILE ON)
-    message(STATUS "OPENVR: ${OPENVR}")
-    message(STATUS "QML: ${QML}")
 endif()
 
 check_include_file(sys/prctl.h HAVE_SYS_PRCTL_H)
@@ -173,7 +172,7 @@ find_package(Boost 1.58 REQUIRED COMPONENTS
         program_options
         locale)
 
-if(UNIX AND NOT APPLE)
+if(UNIX AND NOT APPLE AND NOT ANDROID)
     if (NOT CMAKE_BUILD_TYPE STREQUAL "Debug")
         # https://github.com/monero-project/monero-gui/issues/3142#issuecomment-705940446
         set(CMAKE_SKIP_RPATH ON)
@@ -195,6 +194,17 @@ if("$ENV{DRONE}" STREQUAL "true")
     message(STATUS "We are inside a static compile with Drone CI")
 endif()
 
+if(UNIX)
+    if(NOT CMAKE_PREFIX_PATH AND DEFINED ENV{CMAKE_PREFIX_PATH})
+        message(STATUS "Using CMAKE_PREFIX_PATH environment variable: '$ENV{CMAKE_PREFIX_PATH}'")
+        set(CMAKE_PREFIX_PATH $ENV{CMAKE_PREFIX_PATH})
+    endif()
+    if(APPLE AND NOT CMAKE_PREFIX_PATH)
+        execute_process(COMMAND brew --prefix qt5 OUTPUT_VARIABLE QT5_DIR OUTPUT_STRIP_TRAILING_WHITESPACE)
+        list(APPEND CMAKE_PREFIX_PATH ${QT5_DIR})
+    endif()
+endif()
+
 # To build WOWlet with embedded (and static) Tor, pass CMake -DTOR_BIN=/path/to/tor
 if(TOR_BIN)
     if(APPLE)
@@ -264,7 +274,7 @@ elseif(DRAGONFLY)
     set(EXTRA_LIBRARIES execinfo ${COMPAT})
 elseif(CMAKE_SYSTEM_NAME MATCHES "(SunOS|Solaris)")
     set(EXTRA_LIBRARIES socket nsl resolv)
-elseif(NOT MSVC AND NOT DEPENDS)
+elseif(NOT MSVC AND NOT DEPENDS AND NOT ANDROID)
     find_library(RT rt)
     set(EXTRA_LIBRARIES ${RT})
 endif()
@@ -384,10 +394,6 @@ if(OPENVR)
     add_subdirectory("${CMAKE_CURRENT_SOURCE_DIR}/contrib/openvr")
 endif()
 
-if(APPLE)
-    add_subdirectory("${CMAKE_CURRENT_SOURCE_DIR}/contrib/KDMacTouchBar")
-endif()
-
 if(WITH_SCANNER)
     add_library(quirc STATIC
             contrib/quirc/lib/decode.c

src/CMakeLists.txt

@@ -57,6 +57,15 @@ if(OPENVR)
     list(APPEND SOURCE_FILES ${SOURCE_FILES_QML})
 endif()
 
+if(ANDROID OR ANDROID_DEBUG)
+    qt5_add_resources(RESOURCES mobile/qml.qrc)
+    file(GLOB SOURCE_FILES_QML
+            "mobile/*.h"
+            "mobile/*.cpp"
+            )
+    list(APPEND SOURCE_FILES ${SOURCE_FILES_QML})
+endif()
+
 set(CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG} -Wno-deprecated-declarations")  # @TODO: removeme
 
 add_subdirectory(libwalletqt)
@@ -98,11 +107,16 @@ if(APPLE)
     list(APPEND RESOURCES ${ICON})
 endif()
 
+if(NOT ANDROID)
     add_executable(wowlet ${EXECUTABLE_FLAG} main.cpp
             ${SOURCE_FILES}
             ${RESOURCES}
             ${ASSETS_TOR}
             )
+else()
+    add_library(wowlet SHARED ${SOURCE_FILES} ${RESOURCES})
+    set_target_properties(wowlet PROPERTIES COMPILE_DEFINITIONS "ANDROID")
+endif()
 
 # mac os bundle
 set_target_properties(wowlet PROPERTIES
@@ -162,6 +176,14 @@ if(XMRIG)
     target_compile_definitions(wowlet PRIVATE HAS_XMRIG=1)
 endif()
 
+if(ANDROID)
+    target_compile_definitions(wowlet PRIVATE HAS_ANDROID=1)
+endif()
+
+if(ANDROID_DEBUG)
+    target_compile_definitions(wowlet PRIVATE HAS_ANDROID_DEBUG=1)
+endif()
+
 if(OPENVR)
     target_compile_definitions(wowlet PRIVATE HAS_OPENVR=1)
     target_compile_definitions(wowlet PUBLIC VR_API_PUBLIC)
@@ -220,6 +242,13 @@ else()
     target_link_libraries(wowlet PUBLIC monero-seed::monero-seed)
 endif()
 
+if(ANDROID)
+    # yolo some hardcoded paths
+    target_include_directories(wowlet PUBLIC
+            /opt/android/prefix/include/QtAndroidExtras/
+            )
+endif()
+
 # Link Wownero core libraries
 target_link_libraries(wowlet PUBLIC
         wallet_merged
@@ -261,6 +290,33 @@ else()
             Qt5::WebSockets)
 endif()
 
+if(ANDROID)
+    # yolo some hardcoded paths
+    target_link_libraries(wowlet PUBLIC
+            /opt/android/prefix/lib/libQt5QuickTemplates2_arm64-v8a.so
+            /opt/android/prefix/lib/libQt5Quick_arm64-v8a.so
+            /opt/android/prefix/lib/libQt5QmlModels_arm64-v8a.so
+            /opt/android/prefix/lib/libQt5Qml_arm64-v8a.so
+            /opt/android/prefix/lib/libQt5Svg_arm64-v8a.so
+            /opt/android/prefix/lib/libQt5Widgets_arm64-v8a.so
+            /opt/android/prefix/lib/libQt5Gui_arm64-v8a.so
+            /opt/android/prefix/lib/libQt5Xml_arm64-v8a.so
+            /opt/android/prefix/lib/libQt5XmlPatterns_arm64-v8a.so
+            /opt/android/prefix/lib/libQt5Network_arm64-v8a.so
+            /opt/android/prefix/lib/libQt5Core_arm64-v8a.so
+            /opt/android/prefix/lib/libQt5VirtualKeyboard_arm64-v8a.so
+            /opt/android/prefix/lib/libQt5AndroidExtras_arm64-v8a.so
+            /opt/android/prefix/plugins/bearer/libplugins_bearer_qandroidbearer_arm64-v8a.so
+            GLESv2
+            log
+            z
+            jnigraphics
+            android
+            EGL
+            c++_shared
+            )
+endif()
+
 # Link random other stuff
 target_link_libraries(wowlet PUBLIC
         ${ICU_LIBRARIES}
@@ -294,7 +350,7 @@ if(OPENVR)
 endif()
 
 if(APPLE)
-    target_link_libraries(wowlet
+    target_link_libraries(wowlet PUBLIC
             KDMacTouchBar
             )
     target_include_directories(wowlet
@@ -329,3 +385,19 @@ endif()
 install(TARGETS wowlet
         DESTINATION ${CMAKE_INSTALL_PREFIX}
         )
+
+
+message(STATUS "=============================================")
+message(STATUS "VERSION_MAJOR: ${VERSION_MAJOR}")
+message(STATUS "VERSION_MINOR: ${VERSION_MINOR}")
+message(STATUS "VERSION_REVISION: ${VERSION_REVISION}")
+message(STATUS "STATIC: ${STATIC}")
+message(STATUS "Include QtQuick (QML): ${QML}")
+message(STATUS "VERSION: ${VERSION}")
+message(STATUS "Include the XMRIG tab: ${XMRIG}")
+message(STATUS "Include Valve's OpenVR library: ${OPENVR}")
+message(STATUS "This build is for Android: ${ANDROID}")
+message(STATUS "This build is for testing the Android app on desktop: ${ANDROID_DEBUG}")
+message(STATUS "TOR_BIN: ${TOR_BIN}")
+message(STATUS "DONATE_BEG: ${DONATE_BEG}")
+message(STATUS "=============================================")