Generating .aar file for android and .so file for testing via CmakeList as we are generating the .so file in app/CMakeList now test/CMakeList file is unused so we are removing it

Author: MohitMaliFtechiz

lib/build.gradle

@@ -329,3 +329,10 @@ String getLibzimFiles() {
         "${projectDir}/src/main/java/org/kiwix/libzim/SuggestionSearch.java " +
         "${projectDir}/src/main/java/org/kiwix/libzim/ZimFileFormatException.java"
 }
+
+task buildLinuxSoFile(type: Exec) {
+    workingDir "${projectDir}/src/main/cpp/"
+    commandLine 'bash', '-c', "cmake . -B ${buildDir} && make -C ${buildDir}"
+}
+
+build.dependsOn buildLinuxSoFile

lib/src/main/cpp/CMakeLists.txt

@@ -2,12 +2,23 @@
 set(CMAKE_FIND_ROOT_PATH_MODE_LIBRARY BOTH)
 cmake_minimum_required(VERSION 3.18.1)
 
-set(CMAKE_ANDROID_STL_TYPE llvm-libc++_static)
-
 project("libkiwix_wrapper")
 
-add_library(
-        zim_wrapper
+set(BUILD_DIR_PATH "${BUILD_DIR}")
+
+if (CMAKE_SYSTEM_NAME STREQUAL "Linux")
+        set(BUILD_DIR_PATH "./../../../build")
+endif ()
+
+include_directories(
+        ${CMAKE_SOURCE_DIR}
+        ${BUILD_DIR_PATH}/include/libkiwix
+        ${BUILD_DIR_PATH}/include/libzim
+        ${BUILD_DIR_PATH}/include/javah_generated
+        #${CMAKE_SOURCE_DIR}/include/utils
+)
+
+add_library(zim_wrapper
 
         SHARED
         libzim/archive.cpp
@@ -23,26 +34,10 @@ add_library(
         libzim/suggestion_search.cpp
         libzim/suggestion_iterator.cpp
         libzim/suggestion_item.cpp
-)
-
-find_library(libzim
-        zim
-        PATHS
-        ${BUILD_DIR}/jniLibs/${CMAKE_ANDROID_ARCH_ABI}/libzim)
-if (NOT libzim)
-        message(FATAL_ERROR "libzim not found!")
-endif()
-add_library(libzim SHARED IMPORTED)
-
-set_property(TARGET
-        libzim
-        PROPERTY
-        IMPORTED_LOCATION
-        ${BUILD_DIR}/jniLibs/${CMAKE_ANDROID_ARCH_ABI}/libzim/libzim.so)
+        )
 
 
-add_library(
-        kiwix_wrapper
+add_library(kiwix_wrapper
 
         SHARED
         libkiwix/book.cpp
@@ -53,45 +48,84 @@ add_library(
         libkiwix/bookmark.cpp
         libkiwix/manager.cpp
         libkiwix/illustration.cpp
-)
+        )
 
-find_library(libkiwix
-        kiwix
-        PATHS
-        ${BUILD_DIR}/jniLibs/${CMAKE_ANDROID_ARCH_ABI}/libkiwix)
-if (NOT libkiwix)
-        message(FATAL_ERROR "libkiwix not found!")
-endif()
-add_library(libkiwix SHARED IMPORTED)
-
-set_property(TARGET
-        libkiwix
-        PROPERTY
-        IMPORTED_LOCATION
-        ${BUILD_DIR}/jniLibs/${CMAKE_ANDROID_ARCH_ABI}/libkiwix/libkiwix.so)
+# Linux target
+if(CMAKE_SYSTEM_NAME STREQUAL "Linux")
 
-include_directories(
-${CMAKE_SOURCE_DIR}
-${BUILD_DIR}/include/libkiwix
-${BUILD_DIR}/include/libzim
-${BUILD_DIR}/include/javah_generated
-#${CMAKE_SOURCE_DIR}/include/utils
-)
+        find_package(JNI)
 
-find_library(
-        log-lib
-        log)
+        include_directories(
+                ${JNI_INCLUDE_DIRS}
+        )
 
-target_link_libraries(
-        zim_wrapper
-        libzim
-        ${log-lib}
-)
+        add_library(libzim SHARED IMPORTED)
+        set_target_properties(libzim PROPERTIES IMPORTED_LOCATION libzim.so)
 
-target_link_libraries(
-        kiwix_wrapper
-        libkiwix
-        libzim
-        ${log-lib}
+        add_library(libkiwix SHARED IMPORTED)
+        set_target_properties(libkiwix PROPERTIES IMPORTED_LOCATION libkiwix.so)
+
+        target_link_libraries(
+                zim_wrapper
+                libzim
         )
 
+        target_link_libraries(
+                kiwix_wrapper
+                libkiwix
+                libzim
+        )
+endif ()
+
+# Android target
+if (ANDROID)
+        set(CMAKE_ANDROID_STL_TYPE llvm-libc++_static)
+
+        find_library(
+                log-lib
+                log)
+
+        find_library(libzim
+                zim
+                PATHS
+                ${BUILD_DIR_PATH}/jniLibs/${CMAKE_ANDROID_ARCH_ABI}/libzim)
+        if (NOT libzim)
+                message(FATAL_ERROR "libzim not found!")
+        endif ()
+        add_library(libzim SHARED IMPORTED)
+
+        set_property(TARGET
+                libzim
+                PROPERTY
+                IMPORTED_LOCATION
+                ${BUILD_DIR_PATH}/jniLibs/${CMAKE_ANDROID_ARCH_ABI}/libzim/libzim.so)
+
+
+        find_library(libkiwix
+                kiwix
+                PATHS
+                ${BUILD_DIR_PATH}/jniLibs/${CMAKE_ANDROID_ARCH_ABI}/libkiwix)
+        if (NOT libkiwix)
+                message(FATAL_ERROR "libkiwix not found!")
+        endif ()
+        add_library(libkiwix SHARED IMPORTED)
+
+        set_property(TARGET
+                libkiwix
+                PROPERTY
+                IMPORTED_LOCATION
+                ${BUILD_DIR_PATH}/jniLibs/${CMAKE_ANDROID_ARCH_ABI}/libkiwix/libkiwix.so)
+
+        target_link_libraries(
+                zim_wrapper
+                libzim
+                ${log-lib}
+        )
+
+        target_link_libraries(
+                kiwix_wrapper
+                libkiwix
+                libzim
+                ${log-lib}
+        )
+endif ()

lib/src/test/CMakeLists.txt

@@ -12,7 +12,8 @@ public class test {
     static {
         System.loadLibrary("kiwix");
         System.loadLibrary("zim");
-        System.loadLibrary("buildkiwix");
+        System.loadLibrary("kiwix_wrapper");
+        System.loadLibrary("zim_wrapper");
     }
 
     private static byte[] getFileContent(String path)