246 lines
10 KiB
CMake
246 lines
10 KiB
CMake
if(NOT ANDROID_PACKAGE_NAME)
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set(ANDROID_PACKAGE_NAME "com.github.stevenlovegrove.pangolin")
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endif()
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if(NOT ANDROID_DEFERRED_ENTRY_SO)
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set(ANDROID_DEFERRED_ENTRY_SO "libpangolin.so")
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endif()
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# Configure build environment to automatically generate APK's instead of executables.
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if(ANDROID AND NOT TARGET apk)
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# virtual targets which we'll add apks and push actions to.
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add_custom_target( apk )
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add_custom_target( push )
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add_custom_target( run )
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# Reset output directories to be in binary folder (rather than source)
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set(LIBRARY_OUTPUT_PATH_ROOT ${CMAKE_CURRENT_BINARY_DIR})
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set(CMAKE_ARCHIVE_OUTPUT_DIRECTORY ${LIBRARY_OUTPUT_PATH_ROOT}/libs/${ANDROID_NDK_ABI_NAME})
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set(CMAKE_LIBRARY_OUTPUT_DIRECTORY ${LIBRARY_OUTPUT_PATH_ROOT}/libs/${ANDROID_NDK_ABI_NAME})
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set(CMAKE_RUNTIME_OUTPUT_DIRECTORY ${LIBRARY_OUTPUT_PATH_ROOT}/bin/${ANDROID_NDK_ABI_NAME})
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macro( create_android_manifest_xml filename prog_name package_name activity_name)
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file( WRITE ${filename}
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"<?xml version=\"1.0\" encoding=\"utf-8\"?>
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<!-- BEGIN_INCLUDE(manifest) -->
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<manifest xmlns:android=\"http://schemas.android.com/apk/res/android\"
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package=\"${package_name}.${prog_name}\"
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android:versionCode=\"1\"
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android:versionName=\"1.0\">
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<!-- This is the platform API where NativeActivity was introduced. -->
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<uses-sdk android:minSdkVersion=\"14\" />
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<uses-feature android:glEsVersion=\"0x00020000\" />
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<uses-feature android:name=\"android.hardware.camera\" />
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<uses-permission android:name=\"android.permission.CAMERA\"/>
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<uses-permission android:name=\"android.permission.WRITE_EXTERNAL_STORAGE\"/>
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<uses-permission android:name=\"android.permission.READ_EXTERNAL_STORAGE\"/>
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<!-- This .apk has no Java code itself, so set hasCode to false. -->
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<application android:label=\"${activity_name}\" android:hasCode=\"false\">
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<!-- Our activity is the built-in NativeActivity framework class.
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This will take care of integrating with our NDK code. -->
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<activity android:name=\"android.app.NativeActivity\"
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android:label=\"${activity_name}\"
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android:screenOrientation=\"landscape\"
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android:configChanges=\"orientation|keyboard|keyboardHidden\"
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android:theme=\"@android:style/Theme.NoTitleBar.Fullscreen\"
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>
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<!-- Tell NativeActivity the name of our .so -->
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<meta-data android:name=\"android.app.lib_name\"
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android:value=\"${prog_name}_start\" />
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<intent-filter>
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<action android:name=\"android.intent.action.MAIN\" />
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<category android:name=\"android.intent.category.LAUNCHER\" />
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</intent-filter>
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</activity>
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</application>
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</manifest>
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<!-- END_INCLUDE(manifest) -->" )
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endmacro()
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macro( create_bootstrap_library prog_name package_name)
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set(bootstrap_cpp "${CMAKE_CURRENT_BINARY_DIR}/${prog_name}_start.cpp" )
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file( WRITE ${bootstrap_cpp}
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"#include <android/native_activity.h>
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#include <android/log.h>
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#include <dlfcn.h>
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#include <errno.h>
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#include <stdlib.h>
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#include <cstdio>
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#define LOGE(...) ((void)__android_log_print(ANDROID_LOG_ERROR, \"AndroidUtils.cmake\", __VA_ARGS__))
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#define LIB_PATH \"/data/data/${package_name}.${prog_name}/lib/\"
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void * load_lib(const char * l) {
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void * handle = dlopen(l, RTLD_NOW | RTLD_GLOBAL);
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if (!handle) LOGE( \"dlopen('%s'): %s\", l, strerror(errno) );
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return handle;
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}
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void ANativeActivity_onCreate(ANativeActivity * app, void * ud, size_t udsize) {
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#include \"${prog_name}_shared_load.h\"
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// Look for standard entrypoint in user lib
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void (*stdentrypoint)(ANativeActivity*, void*, size_t);
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*(void **) (&stdentrypoint) = dlsym(load_lib( LIB_PATH \"lib${prog_name}.so\"), \"ANativeActivity_onCreate\");
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if (stdentrypoint) {
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(*stdentrypoint)(app, ud, udsize);
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}else{
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// Look for deferred load entry point
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void (*exdentrypoint)(ANativeActivity*, void*, size_t, const char*);
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*(void **) (&exdentrypoint) = dlsym(load_lib( LIB_PATH \"lib${prog_name}.so\"), \"DeferredNativeActivity_onCreate\");
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if (!exdentrypoint) {
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// Look in specific shared lib
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*(void **) (&exdentrypoint) = dlsym(load_lib( LIB_PATH \"${ANDROID_DEFERRED_ENTRY_SO}\"), \"DeferredNativeActivity_onCreate\");
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}
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if(exdentrypoint) {
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(*exdentrypoint)(app, ud, udsize, LIB_PATH \"lib${prog_name}.so\" );
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}else{
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LOGE( \"Unable to find compatible entry point\" );
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}
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}
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}" )
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add_library( "${prog_name}_start" SHARED ${bootstrap_cpp} )
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target_link_libraries( "${prog_name}_start" android log )
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add_dependencies( ${prog_name} "${prog_name}_start" )
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endmacro()
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macro( android_update android_project_name)
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# Find which android platforms are available.
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execute_process(
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COMMAND android list targets -c
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OUTPUT_VARIABLE android_target_list
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)
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# Pick first platform from this list.
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string(REGEX MATCH "^[^\n]+" android_target "${android_target_list}" )
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message(STATUS "Android Target: ${android_target}")
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if( NOT "${android_target}" STREQUAL "" )
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# Generate ant build scripts for making APK
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execute_process(
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COMMAND android update project --name ${android_project_name} --path . --target ${android_target} --subprojects
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WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}
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)
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else()
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message( FATAL_ERROR "No Android SDK platforms found. Please install an Android platform SDK. On Linux, run 'android'." )
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endif()
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endmacro()
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# Override add_executable to build android .so instead!
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macro( add_executable prog_name)
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set(CMAKE_LIBRARY_OUTPUT_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/libs/${ANDROID_NDK_ABI_NAME})
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add_library( ${prog_name} SHARED ${ARGN} )
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# Add required link libs for android
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target_link_libraries(${prog_name} log android )
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# Create manifest required for APK
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create_android_manifest_xml(
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"${CMAKE_CURRENT_BINARY_DIR}/AndroidManifest.xml" "${prog_name}"
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"${ANDROID_PACKAGE_NAME}" "${prog_name}"
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)
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# Create library that will launch this program and load shared libs
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create_bootstrap_library( ${prog_name} ${ANDROID_PACKAGE_NAME} )
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# Generate ant build system for APK
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android_update( ${prog_name} )
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# Target to invoke ant build system for APK
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set( APK_FILE "${CMAKE_CURRENT_BINARY_DIR}/bin/${prog_name}-debug.apk" )
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add_custom_command(
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OUTPUT ${APK_FILE}
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COMMAND ant debug
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DEPENDS ${prog_name}
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WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}
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)
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# Target to install on device
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add_custom_target( ${prog_name}-apk
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DEPENDS ${APK_FILE}
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)
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add_dependencies(apk ${prog_name}-apk)
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# Target to install on device
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add_custom_target( ${prog_name}-push
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COMMAND adb install -r ${APK_FILE}
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DEPENDS ${APK_FILE}
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)
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add_dependencies(push ${prog_name}-push)
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# install and run on device
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add_custom_target( ${prog_name}-run
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COMMAND adb shell am start -n ${ANDROID_PACKAGE_NAME}.${prog_name}/android.app.NativeActivity
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DEPENDS ${prog_name}-push
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WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}
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)
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add_dependencies(run ${prog_name}-run)
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# Flag to package dependent libs
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set_property(TARGET ${prog_name} APPEND PROPERTY MAKE_APK 1 )
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# Clear shared library loading header
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file( WRITE "${CMAKE_CURRENT_BINARY_DIR}/${prog_name}_shared_load.h" "")
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endmacro()
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macro( package_with_target prog_name lib_path )
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# Mark lib_path as dependent of prog_name
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set_property(TARGET ${prog_name} APPEND PROPERTY IMPORTED_LINK_INTERFACE_LIBRARIES_RELEASE ${lib_path} )
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# If prog_name is to be packaged, add file copy command to package .so's.
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get_target_property( package_dependent_libs ${prog_name} MAKE_APK )
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if( package_dependent_libs )
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get_filename_component(target_filename ${lib_path} NAME)
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file( APPEND ${depend_file} "load_lib(LIB_PATH \"${target_filename}\" );\n")
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add_custom_command(TARGET ${prog_name} POST_BUILD
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COMMAND ${CMAKE_COMMAND} -E copy_if_different
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${lib_path} "${CMAKE_CURRENT_BINARY_DIR}/libs/${ANDROID_NDK_ABI_NAME}/"
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)
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endif()
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endmacro()
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macro( add_to_depend_libs prog_name depend_file lib_name )
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# Recursively Process dependents of lib_name
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get_target_property(TARGET_LIBS ${lib_name} IMPORTED_LINK_INTERFACE_LIBRARIES_RELEASE)
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if(NOT TARGET_LIBS)
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get_target_property(TARGET_LIBS ${lib_name} IMPORTED_LINK_INTERFACE_LIBRARIES_NOCONFIG)
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endif()
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if(NOT TARGET_LIBS)
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get_target_property(TARGET_LIBS ${lib_name} IMPORTED_LINK_INTERFACE_LIBRARIES_DEBUG)
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endif()
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foreach(SUBLIB ${TARGET_LIBS})
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if(SUBLIB)
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add_to_depend_libs( ${prog_name} ${depend_file} ${SUBLIB} )
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endif()
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endforeach()
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# Check if lib itself is an external shared library
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if("${lib_name}" MATCHES "\\.so$")
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package_with_target( ${prog_name} ${lib_name} )
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endif()
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# Check if lib itself is an internal shared library
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get_target_property(TARGET_LIB ${lib_name} LOCATION)
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if("${TARGET_LIB}" MATCHES "\\.so$")
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package_with_target( ${prog_name} ${TARGET_LIB} )
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endif()
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endmacro()
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macro( target_link_libraries prog_name)
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# _target_link_libraries corresponds to original
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_target_link_libraries( ${prog_name} ${ARGN} )
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# Recursively process dependencies
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set(depend_file "${CMAKE_CURRENT_BINARY_DIR}/${prog_name}_shared_load.h" )
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foreach( LIB ${ARGN} )
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add_to_depend_libs( ${prog_name} ${depend_file} ${LIB} )
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endforeach()
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endmacro()
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endif()
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