From: Björn C. <bj...@ca...> - 2009-10-11 13:23:11
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This problem is probably caused by missing support for a Java byte code. Look in the generated code for the _ERROR and you will see the byte code that is missing. /Björn Joseph Rukshan Fonseka skrev: > Hi, yes I did. I fixed the pow function name as suggested by Bjorn. I > have managed to compile it, but fails during linking. Attached is my > maths file and android source code. > > The compile error I get is: > > w.o obj/org_xmlvm_iphone_UITouch.o obj/org_xmlvm_iphone_UIView.o > obj/org_xmlvm_iphone_UIWindow.o obj/org_xmlvm_iphone_gl_BufferUtils.o > obj/org_xmlvm_iphone_gl_CAEAGLLayer.o > obj/org_xmlvm_iphone_gl_EAGLContext.o > obj/org_xmlvm_iphone_gl_EAGLDrawable.o obj/org_xmlvm_iphone_gl_GL.o > obj/org_xmlvm_iphone_gl_GLView.o obj/xmlvm.o > Undefined symbols: > "_ERROR", referenced from: > -[com_home_imageviewer_ImageViewer > onCreate___android_os_Bundle:] in com_home_imageviewer_ImageViewer.o > -[com_home_imageviewer_ImageViewer > onCreate___android_os_Bundle:] in com_home_imageviewer_ImageViewer.o > ld: symbol(s) not found > collect2: ld returned 1 exit status > make: *** [build/test.app/test] Error 1 > > > > ------------------------------------------------------------------------ > > > ------------------------------------------------------------------------ > > > ------------------------------------------------------------------------ > > > > On 11/10/2009, at 6:09 PM, Wolfgang Korn wrote: > >> Did you run the ant script to rebuild the library jars after >> implementing these Math methods? If yes - please send me a patch file >> with your implementation so that it is a little bit easier for me to >> add things to my workspace. Then I will have a look at what's going >> wrong and come back to as soon as possible. >> >> -- Wolfgang >> >> >> Joseph Rukshan Fonseka wrote: >>> Ok I added these to java_lang_Math.m >>> + (float) pow___float: (float) x : (float) y >>> { >>> return pow(x, y); >>> } >>> >>> + (double) pow___double: (double) x : (double) y >>> { >>> return pow(x, y); >>> } >>> + (float) max___float_float :(float) x :(float) y >>> { >>> return x < y ? y : x; >>> } >>> >>> + (double) max___double_double :(double) x :(double) y >>> { >>> return x < y ? y : x; >>> } >>> >>> + (int) max___int_int :(int) x :(int) y >>> { >>> return x < y ? y : x; >>> } >>> >>> + (float) min___float_float :(float) x :(float) y >>> { >>> return x > y ? y : x; >>> } >>> >>> + (double) min___double_double :(double) x :(double) y >>> { >>> return x > y ? y : x; >>> } >>> >>> + (int) min___int_int :(int) x :(int) y >>> { >>> return x > y ? y : x; >>> } >>> >>> and corresponding prototypes to the header file. >>> >>> However this android code: >>> public class ImageViewer extends Activity { >>> /** Called when the activity is first created. */ >>> @SuppressWarnings("deprecation") >>> @Override >>> public void onCreate(Bundle savedInstanceState) { >>> super.onCreate(savedInstanceState); >>> >>> AbsoluteLayout layout = new AbsoluteLayout(this); >>> layout.setLayoutParams(new >>> LayoutParams(LayoutParams.FILL_PARENT, LayoutParams.FILL_PARENT)); >>> ImageView viewer = new ImageView(this); >>> viewer.setImageResource(R.drawable.cat); >>> layout.addView(viewer, new >>> AbsoluteLayout.LayoutParams(AbsoluteLayout.LayoutParams.WRAP_CONTENT, >>> AbsoluteLayout.LayoutParams.WRAP_CONTENT, 0, 100)); >>> TextView text = new TextView(this); >>> layout.addView(text, new >>> AbsoluteLayout.LayoutParams(AbsoluteLayout.LayoutParams.WRAP_CONTENT, >>> AbsoluteLayout.LayoutParams.WRAP_CONTENT, 0, 0)); >>> setContentView(layout); >>> >>> Math.pow(1.5,2*5); >>> Math.min(1.2, 3.0); >>> Math.max(3.4, 4.5); >>> } >>> } >>> >>> However cross compiling to iphone give me this error message: >>> com_home_imageviewer_ImageViewer.m:131: warning: ‘java_lang_Math’ >>> may not respond to ‘+pow___double_double::’ >>> com_home_imageviewer_ImageViewer.m:131: warning: (Messages without a >>> matching method signature >>> com_home_imageviewer_ImageViewer.m:131: warning: will be assumed to >>> return ‘id’ and accept >>> com_home_imageviewer_ImageViewer.m:131: warning: ‘...’ as arguments.) >>> com_home_imageviewer_ImageViewer.m:131: error: incompatible types in >>> assignment >>> com_home_imageviewer_ImageViewer.m:133: warning: implicit >>> declaration of function ‘ERROR’ >>> >>> >>> I am pretty confident it is due to the Math functions I am calling >>> at the end of my activity. Any idea what I am doing wrong? >>> >>> >>> On 09/10/2009, at 2:48 AM, Joseph Rukshan Fonseka wrote: >>> >>>> Ok I tried to convert an android application to iphone and noticed >>>> quite a few of the Maths functions don't compile such as >>>> >>>> Math.max() >>>> Math.min() >>>> Math.pow() >>>> >>>> I am guessing they aren't supported yet? I would like to extend the >>>> Maths library to have these functions. Which file should I be looking >>>> at to add these? >>>> >>>> Regards, >>>> Rukshan Fonseka. >>>> >>>> ------------------------------------------------------------------------------ >>>> Come build with us! The BlackBerry(R) Developer Conference in SF, CA >>>> is the only developer event you need to attend this year. Jumpstart >>>> your >>>> developing skills, take BlackBerry mobile applications to market >>>> and stay >>>> ahead of the curve. Join us from November 9 - 12, 2009. Register now! >>>> http://p.sf.net/sfu/devconference >>>> _______________________________________________ >>>> xmlvm-users mailing list >>>> xml...@li... >>>> <mailto:xml...@li...> >>>> https://lists.sourceforge.net/lists/listinfo/xmlvm-users >>> >>> ------------------------------------------------------------------------ >>> >>> ------------------------------------------------------------------------------ >>> Come build with us! The BlackBerry(R) Developer Conference in SF, CA >>> is the only developer event you need to attend this year. Jumpstart your >>> developing skills, take BlackBerry mobile applications to market and stay >>> ahead of the curve. Join us from November 9 - 12, 2009. Register now! >>> http://p.sf.net/sfu/devconference >>> ------------------------------------------------------------------------ >>> >>> _______________________________________________ >>> xmlvm-users mailing list >>> xml...@li... >>> https://lists.sourceforge.net/lists/listinfo/xmlvm-users >>> >> >> >> ------------------------------------------------------------------------------ >> Come build with us! The BlackBerry(R) Developer Conference in SF, CA >> is the only developer event you need to attend this year. Jumpstart your >> developing skills, take BlackBerry mobile applications to market and >> stay >> ahead of the curve. Join us from November 9 - 12, 2009. Register now! >> http://p.sf.net/sfu/devconference_______________________________________________ >> xmlvm-users mailing list >> xml...@li... >> https://lists.sourceforge.net/lists/listinfo/xmlvm-users > > ------------------------------------------------------------------------ > > ------------------------------------------------------------------------------ > Come build with us! The BlackBerry(R) Developer Conference in SF, CA > is the only developer event you need to attend this year. Jumpstart your > developing skills, take BlackBerry mobile applications to market and stay > ahead of the curve. Join us from November 9 - 12, 2009. Register now! > http://p.sf.net/sfu/devconference > ------------------------------------------------------------------------ > > _______________________________________________ > xmlvm-users mailing list > xml...@li... > https://lists.sourceforge.net/lists/listinfo/xmlvm-users > |