Changes to use cmake build framework

Author: pradeep

.gitignore

@@ -3,3 +3,4 @@
 *.suo
 x64/*
 tmp
+build

CMakeLists.txt

@@ -0,0 +1,36 @@
+CMAKE_MINIMUM_REQUIRED(VERSION 2.8)
+PROJECT(ArrayFire-Java)
+
+SET(AF_JAR ArrayFire)
+SET(AF_LIB af_java)
+
+OPTION(BUILD_EXAMPLES "Option for building examples" ON)
+# Set a default build type if none was specified
+IF(NOT CMAKE_BUILD_TYPE AND NOT CMAKE_CONFIGURATION_TYPES)
+    SET(CMAKE_BUILD_TYPE Release CACHE STRING "Choose the type of build." FORCE)
+    # Set the possible values of build type for cmake-gui
+    SET_PROPERTY(CACHE CMAKE_BUILD_TYPE PROPERTY STRINGS "Debug" "Release"
+      "MinSizeRel" "RelWithDebInfo")
+ENDIF()
+
+FIND_PACKAGE(Java COMPONENTS Development)
+INCLUDE(UseJava)
+
+IF(NOT Java_FOUND)
+    MESSAGE(FATAL_ERROR "Java SDK not found, if java is installed to non standard location, please
+    make sure to set JAVA_HOME environmental variable")
+ENDIF()
+
+ADD_SUBDIRECTORY(src)
+
+FILE(GLOB af_java_src "com/arrayfire/*.java")
+
+ADD_JAR(${AF_JAR} ${af_java_src} MANIFEST "${CMAKE_CURRENT_SOURCE_DIR}/Manifest.txt")
+
+ADD_DEPENDENCIES(${AF_JAR} ${AF_LIB})
+
+INSTALL_JAR(${AF_JAR} ".")
+
+IF(BUILD_EXAMPLES)
+    ADD_SUBDIRECTORY(examples)
+ENDIF()

Makefile

@@ -0,0 +1,32 @@
+CMAKE_MINIMUM_REQUIRED(VERSION 2.8)
+PROJECT(AFJava-Examples)
+
+FIND_PACKAGE(Java COMPONENTS Runtime)
+INCLUDE(UseJava)
+
+IF(NOT Java_FOUND)
+    MESSAGE(FATAL_ERROR "Java SDK not found, if java is installed to non standard location, please
+    make sure to set JAVA_HOME environmental variable")
+ENDIF()
+
+FILE(GLOB af_examples_src "*.java")
+
+MACRO(BUILD_EXAMPLE src)
+    # get arrayfire jar file
+    GET_TARGET_PROPERTY(_afJar ${AF_JAR} JAR_FILE)
+    # extract file name from source file
+    GET_FILENAME_COMPONENT(EXAMPLE ${src} NAME_WE)
+    # add jar file for given source file
+    ADD_JAR(${EXAMPLE} SOURCES ${src} INCLUDE_JARS ${_afJar})
+    # udpate the jar file with program entry point
+    GET_TARGET_PROPERTY(_jarFile ${EXAMPLE} JAR_FILE)
+    ADD_CUSTOM_COMMAND(TARGET ${EXAMPLE} COMMAND ${Java_JAR_EXECUTABLE} ufe ${_jarFile} ${EXAMPLE})
+    # install examples jar
+    INSTALL_JAR(${EXAMPLE} examples)
+    # add target for running examples
+    ADD_CUSTOM_TARGET(ex${EXAMPLE} ${Java_JAVA_EXECUTABLE} -cp .:${_afJar}:${_jarFile} ${EXAMPLE})
+ENDMACRO()
+
+FOREACH(FILE ${af_examples_src})
+    BUILD_EXAMPLE(${FILE})
+ENDFOREACH()

Makefile.Windows

@@ -29,11 +29,11 @@ public static void main(String[] args) {
         }
 
         try {
-            Array A = new Array(), B = new Array(), C = new Array();
-
             // Get info about arrayfire information
             Util.info();
 
+            Array A = new Array(), B = new Array(), C = new Array();
+
             // Send data to ArrayFire
             Data.createArray(A, dims, left);
             Data.createArray(B, dims, right);

examples/CMakeLists.txt

@@ -0,0 +1,25 @@
+ENABLE_LANGUAGE(CXX)
+
+FIND_PACKAGE(JNI REQUIRED)
+FIND_PACKAGE(ArrayFire QUIET)
+
+IF(NOT ArrayFire_FOUND)
+    MESSAGE(FATAL_ERROR "Please point environment variable ArrayFire_DIR to ArrayFire installation
+    directory")
+ENDIF()
+
+FILE(GLOB af_jni_headers "*.h")
+FILE(GLOB af_jni_sources "*.cpp")
+
+INCLUDE_DIRECTORIES(${JNI_INCLUDE_DIRS} ${ArrayFire_INCLUDE_DIRS})
+ADD_LIBRARY(${AF_LIB} SHARED ${af_jni_headers} ${af_jni_sources})
+TARGET_LINK_LIBRARIES(${AF_LIB} ${JNI_LIBRARIES} ${ArrayFire_LIBRARIES})
+
+IF(${UNIX})
+    SET(CMAKE_CXX_FLAGS "-fPIC")
+    SET_TARGET_PROPERTIES(${AF_LIB} PROPERTIES CMAKE_SHARED_LINKER_FLAGS "-fPIC")
+ELSEIF(${WINDOWS})
+    SET(CMAKE_CXX_FLAGS "/MP /EHsc")
+ENDIF(${UNIX})
+
+INSTALL(TARGETS ${AF_LIB} DESTINATION lib)